Traffic Flow Stopped on IPS Switchports

Chapter 19 Configuring the ASA 5585-X IPS SSP

asa(config)# debug module-boot

debug module-boot enabled at level 1 asa(config)# hw-module module 1 recover boot

The module in slot 1 will be recovered. This may erase all configuration and all data on that device and attempt to download a new image for it.

Recover module in slot 1? [confirm]

Recover issued for module in slot 1

asa(config)# Slot-1 140> Cisco Systems ROMMON Version (1.0(10)0) #0: Fri Mar 25 23:02:10 PST 2010

Slot-1 141> Platform ASA5585-SSP-IPS20

Slot-1 142> GigabitEthernet0/0

Slot-1 143> Link is UP

Slot-1 144> MAC Address: 000b.fcf8.0176

Slot-1 145> ROMMON Variable Settings:

Slot-1 146> ADDRESS=192.0.2.3

Slot-1 147> SERVER=192.0.2.15

Slot-1 148> GATEWAY=192.0.2.254

Slot-1 149> PORT=GigabitEthernet0/0

Slot-1 150> VLAN=untagged

Slot-1 151> IMAGE=IPS-SSP-K9-sys-1.1-a-7.2-1.img

Slot-1 152> CONFIG=

Slot-1 153> LINKTIMEOUT=20

Slot-1 154> PKTTIMEOUT=4

Slot-1 155> RETRY=20

Slot-1 156> tftp IPS-SSP_10-K9-sys-1.1-a-7.2-1.img@192.0.2.15 via 192.0.2.254

Slot-1 157> TFTP failure: Packet verify failed after 20 retries

Slot-1 158> Rebooting due to Autoboot error ...

Slot-1 159> Rebooting....

Slot-1 160> Cisco Systems ROMMON Version (1.0(10)0) #0: Fri Mar 25 23:02:10 PST 2010 Slot-1 161> Platform ASA5585-SSP-IPS20

Slot-1 162> GigabitEthernet0/0

Slot-1 163> Link is UP

Slot-1 164> MAC Address: 000b.fcf8.0176

Slot-1 165> ROMMON Variable Settings:

Slot-1 166> ADDRESS=192.0.2.3

Slot-1 167> SERVER=192.0.2.15

Slot-1 168> GATEWAY=192.0.2.254

Slot-1 169> PORT=GigabitEthernet0/0

Slot-1 170> VLAN=untagged

Slot-1 171> IMAGE=IPS-SSP_10-K9-sys-1.1-a-7.2-1.img

Slot-1 172> CONFIG=

Slot-1 173> LINKTIMEOUT=20

Slot-1 174> PKTTIMEOUT=4

Slot-1 175> RETRY=20

Slot-1 176> tftp IPS-SSP_10-K9-sys-1.1-a-7.2-1.img@192.0.2.15 via 192.0.2.254

Traffic Flow Stopped on IPS Switchports

Problem Traffic on any port located on the ASA 5585-X IPS SSP (1/x) no longer passes through the adaptive security appliance when the ASA 5585-X IPS SSP is reset or shut down. This affects all traffic through these ports regardless of whether or not the traffic would have been monitored by the IPS. The link on the ports will link down when the ASA 5585-X IPS SSP is reset or shut down.

Possible Cause Using the ports located on the ASA 5585-X IPS SSP (1/x), and resetting or shutting it down via any mechanism.

Solution Use the ports on the adaptive security appliance (0/x) instead because those ports do not lose their link when the ASA 5585-X IPS SSP is reset or shut down.

	Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2

OL-29168-01		19-15
OL-29168-01		19-15

Page 533

Image 533

Cisco Systems IPS4510K9 manual Traffic Flow Stopped on IPS Switchports, 19-15, Asaconfig# debug module-boot

IPS4510K9 specifications

Cisco Systems has long been a leading player in network security, and its IPS (Intrusion Prevention System) series is a testament to its commitment to safeguarding digital environments. Among its notable offerings are the IPS4510K9 and IPS4520K9 models, both designed to provide advanced threat protection for mid-sized to large enterprise networks.

The Cisco IPS4510K9 and IPS4520K9 are distinguished by their cutting-edge features that help organizations defend against a myriad of cyber threats. These systems utilize a multi-layered approach to security, integrating intrusion prevention, advanced malware protection, and comprehensive visibility across the network.

One of the primary characteristics of the IPS4510K9 is its high performance. It boasts a throughput of up to 1 Gbps, making it suitable for environments that demand rapid data processing and real-time responses to threats. The IPS4520K9, on the other hand, enhances that capability with improved throughput of up to 2 Gbps, accommodating larger enterprises with heavier network traffic. These models are equipped with powerful processors that support complex signature matching and can intelligently distinguish between legitimate traffic and potential threats.

In addition to performance, both models are designed with scalability in mind. They can be easily integrated into existing Cisco infrastructures. This facilitates a seamless enhancement of security without causing significant interruptions to ongoing operations. Moreover, they offer flexible deployment options, allowing organizations to operate them inline or out of band depending on their specific needs.

The Cisco IPS4510K9 and IPS4520K9 leverage advanced detection technologies, utilizing a variety of signature types and heuristic analysis to detect known and unknown threats effectively. They are equipped with real-time alerting and reporting capabilities, giving security teams immediate visibility into potential breaches and enabling them to respond swiftly.

Furthermore, both models support a range of management options through the Cisco Security Manager, allowing for centralized administration, streamlined policy management, and enhanced monitoring capabilities. Automated updates ensure the systems remain current with the latest threat intelligence, vital for staying ahead of evolving cyber threats.

In summary, the Cisco Systems IPS4510K9 and IPS4520K9 represent powerful solutions for organizations seeking robust intrusion prevention capabilities. With their high performance, scalability, and advanced detection technologies, these systems are essential tools in the ever-changing landscape of cybersecurity, providing enterprises with the peace of mind needed to operate securely in today's digital world.

Contents

Text Part Number OL-29168-01 Americas HeadquartersPage Iii N T E N T S Advanced Setup for the Appliance Interface Support Understanding Inline Vlan Pair Mode Vii Configuring Alert Severity Viii Example String XL TCP Engine Match Offset Signature Understanding Worms Configuring Global Correlation Configuring IP Logging Xii Routers Xiii Using Rommon Xiv Configuring the ASA 5585-X IPS SSP Upgrading, Downgrading, and Installing System Images Xvi NotificationApp Xvii AIC Engine B-10 Xviii Creating the Service Account C-5 Xix Communication Problems Understanding the show tech-support Command C-75 Xxi CLI Validation Error Messages D-6 Xxii Organization ContentsAudience Xxiv Related Documentation ConventionsConvention Indication Xxv Xxvi Obtaining Documentation and Submitting a Service Request Ii-1 Logging In Notes and CaveatsSupported User Roles Ii-2 Logging In to the ApplianceFor More Information Config t Connecting an Appliance to a Terminal ServerIi-3 Exit Wr mem Asa# session ips Logging In to the ASA 5500-X IPS SSPIi-4 Asa# session Logging In to the ASA 5585-X IPS SSPIi-5 Ii-6 Logging In to the Sensor Ii-7 Ii-8 Supported IPS Platforms IPS CLI Configuration Guide Sensor Configuration Sequence User Roles Service AdministratorOperators Viewers Following tips help you use the Cisco IPS CLI CLI BehaviorPrompts Help Recall Command Line EditingCase Sensitivity Display Options Keys Description Regular Expression Syntax IPS Command ModesCharacter Description String Matches a as well as b Only if it is at the end of the stringMatches any character Or more times Sensor# configure terminal Generic CLI Commands CLI Keywords OL-29168-01 Initializing Notes and Caveats Initializing the Sensor Understanding Initialization Simplified Setup ModeSystem Configuration Dialog Example 2-1 Example System Configuration Dialog Example 2-1shows a sample System Configuration Dialog Initializing the Sensor Basic Sensor Setup Basic Sensor Setup Initializing the Sensor Basic Sensor Setup Following configuration was entered Initializing the Sensor Advanced Setup Advanced Setup Advanced Setup for the Appliance Enter a subinterface number and description Enter 1 to edit the interface configurationEnter numbers for Vlan 1 Press Enter to return to the available interfaces menu Press Enter to return to the top-level editing menu Enter 2 to edit the virtual sensor configurationEnter 2 to modify the virtual sensor configuration, vs0 Host-ip 192.168.1.2/24,192.168.1.1 Enter 2 to save the configuration Reboot the appliance Advanced Setup for the ASA 5500-X IPS SSP Enter a name and description for your virtual sensor Enter 2 to modify the virtual sensor vs0 configuration Modify default threat prevention settings?no Asa-ips#show tls fingerprint Reboot the ASA 5500-X IPS SSP Advanced Setup for the ASA 5585-X IPS SSP Enter 2 to edit the virtual sensor configuration Exit Service analysis-engine Ips-ssp#show tls fingerprint Reboot the ASA 5585-X IPS SSPVerifying Initialization Sensor# show configuration View your configuration Sensor# show tls fingerprint Display the self-signed X.509 certificate needed by TLS Setup Notes and Caveats Setting Up the Sensor Changing Network Settings Understanding Sensor Setup Changing the Hostname Enter network settings mode Exit network settings modeChange the sensor IP address, netmask, and default gateway Changing the IP Address, Netmask, and Gateway Enabling and Disabling Telnet Enable Telnet services Verify that Telnet is enabled Changing the Access List Remove the entry from the access list Verify the change you made to the access-listChange the value back to the default Verify the value has been set back to the default To change the FTP timeout, follow these steps Changing the FTP TimeoutChange the number of seconds of the FTP timeout Verify the FTP timeout change Verify the banner login text message Adding a Login BannerAdd the banner login text Verify the login text has been removed Verify the settings Enable a DNS server Login-banner-text defaulted dns-primary-server Enabling SSHv1 Fallback Verify that SSHv1 fallback is enabled Change the number of seconds of the CLI session timeout Changing the CLI Session TimeoutVerify the CLI session timeout change Exit authentication mode TLSDHERSAWITHAES256CBCSHA256 TLSDHEDSSWITHAES256CBCSHA256 Changing Web Server SettingsWhen disabled, the client can use the following ciphers Change the port number Sensor# configure terminal Sensorconfig# service web-server Turn on logging for web session inactivity timeouts Specify the web session inactivity timeoutVerify the defaults have been replaced Turn on TLS client ciphers restriction Adding and Removing Users Configuring Authentication and User Parameters Sensorconfig# username tester privilege administrator Sensorconfig# username username password password privilegeSpecify the parameters for the user Sensor# show users all Sensor# configure terminal Sensorconfig# no username jsmith Configuring AuthenticationTo remove a user, use the no form of the command Radius Authentication Options Configuring Local or Radius Authentication Enter AAA submode Sensorconfig-aaa-rad#default-user-role operator Enter the Radius server IP address Ips-role=administrator Ips-role=service Enter the IP address of the second Radius server Specify the type of console authentication AAA Radius Users Configuring Packet Command RestrictionExit AAA mode Check your new setting Enter authentication submodeSensorconfig-aut#permit-packet-logging true Sensorconfig-aut#permit-packet-logging false Sensorconfig# user username privilege service Creating the Service Account Radius Authentication Functionality and Limitations Service Account and Radius AuthenticationConfiguring Passwords Exit configuration mode Changing User Privilege Levels Change your password Change the privilege level from viewer to operator Showing User StatusDisplay your current level of privilege Verify all users. The account of the user jsmith is locked Example Configuring the Password PolicyTo unlock the account of jsmith, reset the password Locking User Accounts Set the value back to the system default settingCheck that the setting has returned to the default Unlocking User Accounts Enter global configuration modeParentheses Unlock the account IPS Standalone Appliances Configuring TimeTime Sources and the Sensor ASA IPS Modules Configuring Time on the SensorCorrecting Time on the Sensor Symbol Manually Setting the System ClockDisplaying the System Clock Sensor# show clock Enter the month you want to start summertime settings Configuring Recurring Summertime SettingsEnter start summertime submode Sensor# clock set 1321 Mar 29 Enter the month you want to end summertime settings Verify your settingsEnter end summertime submode Specify the local time zone used during summertime Exit recurring summertime submode Configuring Nonrecurring Summertime Settings Exit non-recurring summertime submode Configuring Time Zones Settings Configuring NTPExit time zone settings submode Sensorconfig-hos-tim#standard-time-zone-name CST Example Configuring a Cisco Router to be an NTP Server Enter service host mode Configuring the Sensor to Use an NTP Time SourceConfigure unauthenticated NTP Enter NTP configuration mode Verify the unauthenticated NTP settings Configure authenticated NTP Enter NTP configuration mode Configuring SSHVerify the NTP settings Exit NTP configuration mode Adding Hosts to the SSH Known Hosts List Understanding SSH Add an entry to the known hosts list Sensorconfig# ssh host-keyView the key for a specific IP address Sensor# show ssh host-keys Adding Authorized RSA1 and RSA2 Keys Sensorconfig# no ssh host-key Generating the RSA Server Host Key Sensor# show ssh server-key Sensor# ssh generate-key Understanding TLS Configuring TLS Adding TLS Trusted Hosts Sensorconfig# tls trusted-host ip-address 10.89.146.110 port View the fingerprint for a specific host Displaying and Generating the Server CertificateRemove an entry from the trusted hosts list Verify that the key was generated Understanding the License Key Installing the License Key Obtaining and Installing the License Key Service Programs for IPS Products Installing the License Key Verify the sensor is licensed Licensing the ASA 5500-X IPS SSP Sensor# erase license-key Uninstalling the License KeyVerify the sensor key has been uninstalled Setting Up the Sensor Installing the License Key OL-29168-01 Interface Notes and Caveats Configuring Interfaces IPS Interfaces Understanding Interfaces Sensor Command and Control Interface Command and Control Interface Sensing Interfaces TCP Reset InterfacesUnderstanding Alternate TCP Reset Interfaces 2lists the alternate TCP reset interfaces Designating the Alternate TCP Reset InterfaceSensor Alternate TCP Reset Interface None Base Chassis Cards Sensing Ports Inline Interface Pairs Interface SupportInterfaces Not Combinations Supporting Command and Control Interface Configuration Restrictions Configuring Interfaces Understanding Interfaces Interface Configuration Sequence Configuring Physical Interfaces Display the list of available interfaces Configuring the Physical Interface SettingsSpecify the interface for promiscuous mode Add a description of this interface Remove TCP resets from an interfaceSensorconfig-int-phy#alt-tcp-reset-interface none Exit interface submode Configuring Promiscuous ModeUnderstanding Promiscuous Mode IPv6, Switches, and Lack of Vacl Capture Configuring Promiscuous Mode Set span 930, 932, 960, 962 4/1-4 both Configuring Inline Interface ModeUnderstanding Inline Interface Mode Creating Inline Interface Pairs Configuring Inline Interface Pairs Name the inline pair Enable the interfaces assigned to the interface pairDisplay the available interfaces It can monitor traffic see Step Verify that the interfaces are enabled Verify the inline interface pair has been deleted Exit interface configuration submodeSensorconfig-int#no inline-interfaces PAIR1 Understanding Inline Vlan Pair Mode Configuring Inline Vlan Pair Mode Configuring Inline Vlan Pairs Been configured Configuring Inline Vlan Pairs OL-29168-01 Verify the inline Vlan pair settings Set up the inline Vlan pairSensorconfig-int#no inline-interfaces interfacename Designate an interface To delete Vlan pairs Delete one Vlan pair Configuring Vlan Group ModeUnderstanding Vlan Group Mode Deploying Vlan Groups Configuring Vlan Groups Configuring Inline Vlan Groups None Subinterface-type Assign the VLANs to this group Assign specific VLANs Set up the Vlan groupSpecify an interface Add a description for the Vlan group Configure unassigned VLANsVerify the Vlan group settings Delete Vlan groups Delete one Vlan group Configuring Inline Bypass ModeUnderstanding Inline Bypass Mode Configure bypass mode Configuring Inline Bypass ModeConfiguring Bypass Mode Configuring Interface Notifications Configuring Interface Notifications Configuring CDP Mode Enable CDP mode Enabling CDP ModeSensorconfig-int#cdp-mode forward-cdp-packets Displaying Interface Statistics Sensor# show interfaces Interface Statistics Sensor# show interfaces brief Clear the statistics Display the statistics for a specific interfaceSensor# show interfaces Management0/0 Sensor# show interfaces clear Interface Statistics Displaying Interface Traffic History To display interface traffic history, follow these steps Displaying Historical Interface StatisticsDisplay the interface traffic history by the hour Display the interface traffic history by the minute Bytes Received Mbps Virtual Sensor Notes and Caveats Configuring Virtual Sensors Advantages and Restrictions of Virtualization Understanding the Analysis EngineUnderstanding Virtual Sensors Inline TCP Session Tracking Mode Http Advanced Decoding Normalization and Inline TCP Evasion Protection ModeAdding, Editing, and Deleting Virtual Sensors Restrictions Adding Virtual Sensors Adding a Virtual Sensor Sensorconfig-ana-vir#description virtual sensorAdd a virtual sensor Add a description for this virtual sensor Verify the virtual sensor settings Enable Http advanced decodingAssign an event action rules policy to this virtual sensor Assign a signature definition policy to this virtual sensor Exit analysis engine mode Editing or Deleting a Virtual Sensor Editing and Deleting Virtual SensorsEdit the virtual sensor, vs1 Edit the description of this virtual sensor Delete a virtual sensor Verify the edited virtual sensor settingsSensorconfig-ana-vir#physical-interface GigabitEthernet0/2 Sensorconfig-ana# exit Creating a Global Variable Configuring Global VariablesCreate the variable for the maximum number of open IP logs Create the flow depth variable Sensor# show statistic analysis-engine Create the variable for service activityVerify the global variable settings OL-29168-01 Understanding Policies Signature Definition Notes and Caveats Working With Signature Definition Policies Sensor# list signature-definition-configurationsDelete a signature definition policy Sensor# copy signature-definition sig0 sig1 Confirm the signature definition policy has been deleted Reset a signature definition policy to factory settingsUnderstanding Signatures Creating Signature Variables Configuring Signature VariablesUnderstanding Signature Variables Adding, Editing, and Deleting Signature Variables Signature Definition Options Configuring Signatures Configuring Alert Frequency Specify the signature you want to configure Configuring Alert FrequencyEnter alert frequency submode Specify the summary key Configuring Alert Severity Configuring Alert SeverityTo configure the alert severity, follow these steps Assign the alert severity Exit signatures submode Configuring the Event CounterConfiguring the Event Counter Enter event counter submode Optional Enable alert interval Specify the signature fidelity rating for this signature Configuring Signature Fidelity RatingConfiguring the Signature Fidelity Rating Choose the signature you want to configure Configuring the Status of SignaturesChanging the Signature Status Change the status for this signature Specify the vulnerable OSes for this signature Configuring the Vulnerable OSes for a SignatureConfiguring Vulnerable OSes Assigning Actions to Signatures Specify the percentage for rate limiting Configuring Event ActionsConfigure the event action Exit event action submode Configuring AIC SignaturesUnderstanding the AIC Engine AIC Engine and Sensor Performance Configuring the Application Policy Enable inspection of FTP traffic Configuring the Application PolicyEnable Http application policy enforcement Sensorconfig-sig-app-htt#aic-web-ports 80-80,3128-3128 Signature ID Define Request Method AIC Request Method Signatures Signature ID Signature Description AIC Mime Define Content Type Signatures Signature ID Signature Description Signature ID Signature Description Signature ID Transfer Encoding Method AIC Transfer Encoding Signatures Signature ID FTP Command AIC FTP Commands Signatures Creating an AIC Signature Defining a MIME-Type Policy Signature Define the content typeSpecify the event action Define the signature type Signature ID and Name Description Range Default Action Configuring IP Fragment ReassemblyUnderstanding IP Fragment Reassembly For More Information Configuring the Method for IP Fragment Reassembly Configuring IP Fragment Reassembly ParametersEnter edit default signatures submode Specify the engine Understanding TCP Stream Reassembly Configuring TCP Stream ReassemblyConfiguring the IP Fragment Reassembly Method Verify the setting TCP Stream Reassembly Signatures and Configurable Parameters TCP Stream Reassembly Signatures SYN SYN Configuring TCP Stream Reassembly Signatures Configuring the Mode for TCP Stream Reassembly Sensorconfig-sig-str#tcp-reassembly-mode strict Configuring the TCP Stream Reassembly ParametersSensorconfig-sig-str#tcp-3-way-handshake-required true Configuring IP Logging Parameters Configuring IP LoggingSpecify the number of packets you want logged Specify the length of time you want the sensor to log Sequence for Creating a Custom Signature Creating Custom Signatures Example String TCP Engine Signature Creating a String TCP Engine Signature Verify the settings Example Service Http Engine Signature Enter signature description mode Creating a Service Http Engine SignatureSpecify a signature name Specify the alert traits. The valid range is from 0 to Example Meta Engine Signature Configure the Regex parametersExit alert frequency submode Exit Regex submode Meta Signature Engine Enhancement Defining Signatures Creating Custom Signatures Creating a Meta Engine Signature Example IPv6 Engine Signature Specify the IP version Sensorconfig-sig-sig#engine atomic-ip-advancedSpecify IPv6 Specify the L4 protocol Creating a String XL TCP Engine Signature Example String XL TCP Engine Match Offset Signature Specify the String XL TCP engine Sensorconfig-sig-sig-str#specify-exact-match-offset yesSpecify the regex string to search for in the TCP packet Specify an exact match offset for this signature Specify a minimum match offset for this signature Example String XL TCP Engine Minimum Match Length Signature Specify a signature ID and subsignature ID for the signature Specify a new Regex string to search for and turn on UTF-8 OL-29168-01 Event Action Rules Notes and Caveats Configuring Event Action Rules Understanding Event Action Rules Understanding Security Policies Signature Event Action Processor Action filter Alert and Log Actions Deny Actions Understanding Deny Packet Inline Other Actions TCP Normalizer Signature Warning Event Action Rules Configuration Sequence Sensor# copy event-action-rules rules0 rules1 Working With Event Action Rules PoliciesWorking With Event Action Rules Policies Event Action Variables Reset an event action rules policy to factory settingsDelete an event action rules policy Confirm the event action rules instance has been deleted Understanding Event Action Variables When configuring IPv6 addresses, use the following formatIPv4 Addresses IPv6 Addresses Working With Event Action Variables Sensorconfig-eve#variables variable-ipv4 addressAdding, Editing, and Deleting Event Action Variables Verify that you edited the event action rules variable Verify that you added the event action rules variableDelete an event action rules variable Verify the event action rules variable you deleted Calculating the Risk Rating Configuring Target Value Ratings 2illustrates the risk rating formula Understanding Threat Rating Adding, Editing, and Deleting Target Value Ratings Adding, Editing, and Deleting Target Value Ratings Understanding Event Action Overrides Configuring Event Action Overrides Configuring Event Action Overrides Write an alert to Event Store Log packets from both the attacker and victim IP addressesWrite verbose alerts to Event Store Write events that request an Snmp trap to the Event Store Understanding Event Action Filters Configuring Event Action Filters Configuring Event Action Filters OL-29168-01 Configuring Event Action Filters Add any comments you want to use to explain this filter Verify the settings for the filterEdit an existing filter Edit the parameters see Steps 4a through 4l Verify that the filter has been moved to the inactive list Sensorconfig-eve#filters move name1 inactiveMove a filter to the inactive list Understanding Passive OS Fingerprinting Configuring OS Identifications Passive OS Fingerprinting Configuration Considerations IP Address Range Set Adding, Editing, Deleting, and Moving Configured OS MapsIOS Unix Specify the host OS type Configuring OS MapsVerify the settings for the OS map Edit an existing OS map Enable passive OS fingerprintingVerify that you have moved the OS maps Move an OS map to the inactive list Displaying and Clearing OS Identifications Sensorconfig-eve-os#no configured-os-map name2Delete an OS map Verify that the OS map has been deleted Displaying and Clearing OS Identifications Configuring General SettingsVerify that the OS IDs have been cleared Sensor# clear os-identification learned Understanding Event Action Aggregation Understanding Event Action Summarization Configuring Event Action General Settings Configuring the General SettingsEnable or disable the summarizer. The default is enabled Enter general submode Verify the settings for general submode Configuring the Denied Attackers ListSensorconfig-eve-gen#global-filters-status enabled disabled Adding a Deny Attacker Entry to the Denied Attackers List Adding Entries to the Denied Attacker List Monitoring and Clearing the Denied Attackers ListRemove the deny attacker entry from the list Enter yes to remove the deny attacker entry from the list Delete the denied attackers list Displaying and Deleting Denied Attackers Displaying Events Monitoring EventsClear only the statistics Important to know if the list has been cleared Sensor# show events Displaying EventsTo display events from the Event Store, follow these steps Sensor# show events alert past Sensor# show events error warning 100000 Feb 9Display alerts from the past 45 seconds Display events that began 30 seconds in the past Clearing Events from Event StoreEnter yes to clear the events Sensor# show events past OL-29168-01 Anomaly Detection Notes and Caveats Configuring Anomaly Detection Understanding Worms Understanding Anomaly Detection Anomaly Detection Modes Anomaly Detection Zones Anomaly Detection Configuration Sequence Signature ID Subsignature ID Name Description Anomaly Detection Signatures Signature ID Subsignature ID Name Description Enabling Anomaly Detection Enable anomaly detection operational modeWorking With Anomaly Detection Policies Exit analysis engine submode Sensor# copy anomaly-detection ad0 ad1 Working With Anomaly Detection PoliciesDelete an anomaly detection policy Reset an anomaly detection policy to factory settings Configuring Anomaly Detection Operational SettingsSensor# list anomaly-detection-configurations Verify that the anomaly detection instance has been deleted Configuring Anomaly Detection Operational Settings Configuring the Internal ZoneSpecify the worm timeout Sensorconfig-ano-ign#source-ip-address-range Configuring the Internal Zone Configuring the Internal ZoneEnable the internal zone Configure TCP protocol Configure UDP protocol Configure the other protocols Configuring TCP Protocol for the Internal ZoneConfiguring Internal Zone TCP Protocol Enable TCP protocol Them and configure your own scanner values Enable the service for that portVerify the TCP configuration settings Set the scanner threshold Configuring UDP Protocol for the Internal Zone Enable UDP protocol Configuring the Internal Zone UDP ProtocolVerify the UDP configuration settings Associate a specific port with UDP protocol Configuring Anomaly Detection Configuring the Internal Zone Configuring the Internal Zone Other Protocols Configuring Other Protocols for the Internal ZoneEnable the other protocols Associate a specific number for the other protocols Verify the other configuration settings Configuring the Illegal Zone Configuring the Illegal ZoneConfiguring the Illegal Zone Understanding the Illegal Zone Sensorconfig-ano-ill#ip-address-range Configuring TCP Protocol for the Illegal ZoneEnable the illegal zone Configuring the Illegal Zone TCP Protocol Enabled true defaulted Sensorconfig-ano-ill-tcp# Configuring the Illegal Zone UDP Protocol Configuring UDP Protocol for the Illegal Zone Sensorconfig-ano-ill-udp-dst-yes# scanner-threshold Configuring the Illegal Zone Other Protocols Configuring Other Protocols for the Illegal Zone Verify the other protocols configuration settings Understanding the External Zone Configuring the External ZoneConfiguring the External Zone Enable the external zone Configuring TCP Protocol for the External ZoneConfiguring the External Zone Configuring the External Zone TCP Protocol Sensorconfig-ano-ext-tcp# Configuring the External Zone UDP Protocol Configuring UDP Protocol for the External Zone Sensorconfig-ano-ext-udp-dst-yes# scanner-threshold Configuring Other Protocols for the External Zone To configure other protocols for a zone, follow these steps Configuring the External Zone Other Protocols KB and Histograms Configuring Learning Accept Mode Example Histogram Configuring Learning Accept Mode Configuring Learning Accept Mode Sensorconfig-ano#learning-accept-mode manual Sensorconfig-ano#learning-accept-mode auto Displaying KB Files Working With KB FilesDisplay the KB files for all virtual sensors Sensor# show ad-knowledge-base files Display the KB files for a specific virtual sensor Saving and Loading KBs ManuallyManually Saving and Loading KBs Save the current KB file and store it as a new name Copying, Renaming, and Erasing KBs Remove a KB file from a specific virtual sensor Copying, Renaming, and Removing KB FilesRename a KB file Comparing Two KBs Displaying the Differences Between Two KBsTo compare two KBs, follow these steps Locate the file you want to compare Displaying the Thresholds for a KB Sensor# show ad-knowledge-base vs1 files Virtual Sensor vs1 Displaying KB Thresholds Sensor# show statistics anomaly-detection vs0 Displaying Anomaly Detection StatisticsTo display anomaly detection statistics, follow these steps Display the statistics for all virtual sensors Disabling Anomaly Detection Disable anomaly detection operational mode OL-29168-01 10-1 Global Correlation Notes and Caveats 10-2 Understanding Global CorrelationParticipating in the SensorBase Network 1shows how we use the data Understanding ReputationType of Data Purpose 10-3 10-4 Understanding Network Participation 10-5 Understanding Efficacy 10-6 Global Correlation Features and GoalsUnderstanding Reputation and Risk Rating 10-7 Global Correlation Requirements 10-8 Understanding Global Correlation Sensor Health Metrics 10-9 Global Correlation Update Client Sensorconfig-glo#global-correlation-inspection on Configuring Global CorrelationTurn on global correlation inspection Specify the level of global correlation inspection Turn on reputation filtering Configuring Network ParticipationExit global correlation submode 10-11 Turn on network participation Turning on Network ParticipationEnter yes to agree to participate in the SensorBase Network 10-12 10-13 Troubleshooting Global CorrelationDisabling Global Correlation 10-14 Displaying Global Correlation StatisticsDisabling Global Correlation 10-15 Clear the statistics for global correlation 10-16 11-1 External Product Interface Notes and CaveatsUnderstanding External Product Interfaces 11-2 Understanding the CSA MC 11-3 External Product Interface Issues 11-4 Configuring the CSA MC to Support the IPS InterfaceAdding External Product Interfaces and Posture ACLs 11-5 Adding External Product Interfaces 11-6 Sensorconfig-ext-cis-hos#posture-acls insert name1 begin Sensorconfig-ext-cis-hos#allow-unreachable-postures yesEnter the network address the posture ACL will use Choose the action deny or permit the posture ACL will take 11-8 Troubleshooting External Product InterfacesExit external product interface submode 12-1 IP Logging Notes and Caveats 12-2 Configuring Automatic IP LoggingUnderstanding IP Logging 12-3 Configuring Automatic IP Logging Monitor the IP log status with the iplog-status command Configuring Manual IP Logging12-4 Sensor# iplog vs0 192.0.2.1 duration Displaying the Contents of IP Logs Display a brief list of all IP logs Stopping Active IP LogsDisabling IP Logging Sessions Stop the IP log session Stop all IP logging sessions on a virtual sensor Copying IP Log Files to Be ViewedCopying IP Log Files 12-7 12-8 Copy the IP log to your FTP or SCP server 13-1 Packet Display And Capture Notes and Caveats 13-2 Understanding Packet Display and CaptureDisplaying Live Traffic on an Interface Sensor# packet display GigabitEthernet0/1 Displaying Live Traffic From an Interface13-3 Display information about the packet file Capturing Live Traffic on an Interface13-4 Expression ip proto \\tcp View the captured packet file Capturing Live Traffic on an Interface13-5 Sensor# packet capture GigabitEthernet0/1 13-6 Copying the Packet FileView any information about the packet file Erasing the Packet File View the packet file with Wireshark or TcpdumpErase the packet file Verify that you have erased the packet file 13-8 14-1 Blocking Notes and Caveats 14-2 Understanding Blocking 14-3 Vlan B Destination IP Signature ID Signature Name Protocol Understanding Rate LimitingData Icmp Before Configuring ARC Understanding Service Policies for Rate LimitingUDP TCP 14-6 Supported Devices 14-7 Configuring Blocking Properties Sensorconfig# service network-access Enter network access submodeAllowing the Sensor to Block Itself 14-8 Exit network access submode Configure the sensor not to block itselfDisabling Blocking 14-9 To disable blocking or rate limiting, follow these steps Blocks on the devices are updatedEnable blocking on the sensor Verify that the setting has been returned to the default 14-11 Specifying Maximum Block Entries Sensorconfig-net-gen#default block-max-entries Return to the default value of 250 blocksChange the maximum number of block entries 14-12 Specifying the Block Time Time for manual blocks is set when you request the blockSignatures These steps 14-14 Enabling ACL Logging 14-15 Enabling Writing to Nvram Disable writing to Nvram Logging All Blocking Events and ErrorsVerify that writing to Nvram is disabled 14-16 14-17 Configuring the Maximum Number of Blocking Interfaces Verify the default setting Return the setting to the defaultSpecify the maximum number of interfaces Verify the number of maximum interfaces Configuring Addresses Never to Be Blocked Configuring Addresses Never to BlockSensorconfig-net-gen#never-block-hosts For a network Specify the password for the user Configuring User ProfilesCreate the user profile name Enter the username for that user profile Specify the enable password for the user Configuring Blocking and Rate Limiting DevicesHow the Sensor Manages Devices 14-21 14-22 Configuring the Sensor to Manage Cisco Routers 14-23 Routers and ACLsSpecify the IP address for the router controlled by the ARC 14-24 14-25 Switches and VACLs 14-26 Sensorconfig-net-cat#communication telnet ssh-3des Specify the Vlan number Configuring the Sensor to Manage Cisco FirewallsOptional Add the pre-VACL name Optional Add the post-VACL name 14-28 Configuring the Sensor to be a Master Blocking Sensor 14-29 Configuring the Master Blocking SensorSensorconfig-web# exit Enter password Sensorconfig# tls trusted-host ip-address 192.0.2.1 portAdd a master blocking sensor entry Specify whether or not the host uses TLS/SSL Configuring Network Blocking Configuring Host BlockingBlocking a Host End the host block Blocking a Network Configuring Connection BlockingEnd the network block 14-32 Blocking a Connection Obtaining a List of Blocked Hosts and ConnectionsEnd the connection block Blocks are 14-34 15-1 Snmp Notes and CaveatsUnderstanding Snmp 15-2 Configuring Snmp 15-3 Configuring Snmp General Parameters 15-4 Configuring Snmp TrapsExit notification submode Enable Snmp traps Configuring Snmp TrapsSpecify whether you want detailed Snmp traps Enter the trap community string Supported Mibs CISCO-ENHANCED-MEMPOOL-MIB CISCO-ENTITY-ALARM-MIBCISCO-CIDS-MIB 15-6 15-7 15-8 16-1 Displaying the Current Configuration 16-2 First Review Cisco Confidential 16-3 Displaying the Current Submode Configuration 16-4 16-5 16-6 16-7 16-8 Sensorconfig# service health-monitor 16-9 16-10 16-11 16-12 16-13 Severity warning defaulted protected entry zone-name csi 16-14 16-15 Sensorconfig# service trusted-certificate 16-16 Filtering the Current Configuration Output To filter the more command, follow these steps Filtering Using the More CommandPress Ctrl-Cto stop the output and return to the CLI prompt 16-17 16-18 Filtering the Current Submode Configuration OutputFiltering the Submode Output Displaying the Contents of a Logical File 16-20 Displaying the Logical File Contents 16-21 16-22 16-23 Backing Up the Current Configuration to a Remote ServerRestoring the Current Configuration From a Backup File 16-24 Creating and Using a Backup Configuration FileErasing the Configuration File 16-25 Press Enter to continue or enter no to stop 16-26 17-1 Administrative Tasks for the Sensor Recovering the Password Administrative Notes and CaveatsUnderstanding Password Recovery 17-2 Using the Grub Menu Recovering the Password for the AppliancePlatform Description Recovery Method 17-3 Using Rommon Recovering the Password for the ASA 5500-X IPS SSPEnter the following commands to reset the password Sample Rommon session Press Enter to confirm Enter your new password twiceSession to the ASA 5500-X IPS SSP 17-5 Using the Asdm Recovering the Password for the ASA 5585-X IPS SSPAsa# hw-module module 1 password-reset 17-6 Asa# show module Session to the ASA 5585-X IPS SSP17-7 Disabling Password Recovery Using the CLI Disabling Password RecoveryDisabling Password Recovery Using the IDM or IME 17-8 Troubleshooting Password Recovery Verifying the State of Password RecoverySensorconfig-hos#show settings include password Clearing the Sensor Databases 17-10 Clearing the Sensor DatabaseEnter yes to clear the inspectors database Over the past 60 minutes and over the past 72 hours Displaying the Inspection Load of the SensorShow the histogram of the inspection load 17-11 17-12 17-13 Configuring Health Status Information ASA 5500-X IPS SSP and Memory Usage Configuring Health StatisticsPlatform Yellow Red Memory Used 17-14 17-15 Set the threshold for memory usage Set the number of days since the last signature updateSet the missed packet threshold 17-16 17-17 Showing Sensor Overall Health StatusExit health monitoring submode Create the banner login Creating a Banner LoginShow the health and security status of the sensor Enter your message Terminating CLI Sessions Find the CLI ID number associated with the login sessionTo terminate a CLI session, follow these steps Terminate the CLI session of jsmith 17-20 Configuring EventsModifying Terminal Properties 17-21 17-22 17-23 Clearing Events from the Event Store Displaying the System Clock Configuring the System Clock17-24 Sensor# show clock detail 17-25 Manually Setting the System ClockClearing the Denied Attackers List 17-26 17-27 Displaying Policy Lists Display the list of policies for event action rules Displaying StatisticsDisplay the list of policies for signature definition 17-28 17-29 Administrative Tasks for the Sensor 17-30 Sensor# show statistics authentication Display the statistics for authenticationDisplay the statistics for anomaly detection 17-31 Display the statistics for the Event Store Display the statistics for the Event Server17-32 Sensor# show statistics event-server General Show statistics host Display the statistics for the host17-33 Display the statistics for the ARC Display the statistics for the logging application17-34 Sensor# show statistics logger 17-35 17-36 17-37 Statistics web-server Display the statistics for the web server17-38 Sensor# show statistics logger clear 17-39 Varlog Files Displaying Tech Support InformationDisplaying Tech Support Information 17-40 View version information Displaying Version Information17-41 Sensor# show version 17-42 Cancel the output and get back to the CLI promptView configuration information 17-43 Diagnosing Network Connectivity Enter yes to continue the reset Resetting the ApplianceFollowing example shows a successful ping Following example shows an unsuccessful ping Stop all applications and power down the appliance Displaying Command HistoryEnter yes to continue with the reset and power down 17-45 Sensor# show inventory Displaying Hardware Inventory17-46 PID IPS-4360-PWR-AC 17-47 Display the route of IP packet you are interested Tracing the Route of an IP Packet17-48 Inventory Show the current configuration for ARC submode Displaying Submode SettingsSensor config# service network-access 17-49 17-50 17-51 Show the ARC settings in terse mode 17-52 18-1 Configuring the ASA 5500-X IPS SSP 18-2 Configuration Sequence for the ASA 5500-X IPS SSP Obtain the details about the ASA 5500-X IPS Ssps Verifying Initialization for the ASA 5500-X IPS SSPConfirm the information 18-3 ASA 5500-X IPS SSP and Virtualization Creating Virtual Sensors for the ASA 5500-X IPS SSPCreating Virtual Sensors 18-4 18-5 Creating Virtual Sensors 18-6 Sensorconfig-ana-vir#physical-interface PortChannel0/0 Asa# show ips Assigning Virtual Sensors to Contexts18-7 Add three context modes to multiple mode Enter multiple modeAssign virtual sensors to the security contexts 18-8 Configure MPF for each context ASA 5500-X IPS SSP and Bypass ModeConfirm the configuration SensorApp Fails 18-10 SensorApp is ReconfiguredASA 5500-X IPS SSP and the Normalizer Engine 18-11 ASA 5500-X IPS SSP and Jumbo PacketsASA 5500-X IPS SSP and Memory Usage 18-12 Health and Status Information 18-13 Asa-ips#debug module-boot 18-14 Early reservations == bootmem 0000000000 18-15 18-16 18-17 18-18 IRQ 18-19 Single ASA in Fail-Close Mode Single ASA in Fail-Open ModeTwo ASAs in Fail-Open Mode ASA 5500-X IPS SSP Failover Scenarios Two ASAs in Fail-Close Mode New and Modified CommandsConfiguration Examples 18-21 Firewall Mode Security Context Multiple Command Mode Routed DefaultsAllocate-ips Single Context System Related Commands Description Command History Release ModificationExamples 18-23 18-24 19-1 ASA 5585-XIPS SSP Notes and Caveats 19-2 Configuration Sequence for the ASA 5585-X IPS SSP Obtain the details about the ASA 5585-X IPS SSP Verifying Initialization for the ASA 5585-X IPS SSP19-3 Asa# show module 1 details 19-4 Creating Virtual Sensors for the ASA 5585-X IPS SSPASA 5585-X IPS SSP and Virtualization 19-5 ASA 5585-X IPS SSP Virtual Sensor Configuration Sequence Example, rules1 Command, for example sig1Virtual sensor that you create 19-6 19-7 19-8 Asaconfig-ctx#Asaconfig-ctx# Config-url disk0/c2.cfg 19-9 19-10 ASA 5585-X IPS SSP and Bypass ModeASA 5585-X IPS SSP and the Normalizer Engine 19-11 ASA 5585-X IPS SSP and Jumbo Packets 19-12 Ips-ssp#hardware-module module 1 recover configure Module 1 details Asa# hw-module module 1 reset19-13 19-14 Ips-ssp#hw-module module 1 recover configure 19-15 Traffic Flow Stopped on IPS SwitchportsAsaconfig# debug module-boot 19-16 Failover Scenarios 19-17 19-18 20-1 IPS 7.2 File ListObtaining Cisco IPS Software IPS Software Versioning Enter your username and passwordDownloading Cisco IPS Software 20-2 Minor Update Major UpdateService Pack Patch Release 20-4 Signature UpdateSignature Engine Update 20-5 Recovery and System Image Files 20-6 IPS Software Release Examples 20-7 Accessing IPS Documentation 20-8 Cisco Security Intelligence Operations 21-1 Upgrade Notes and Caveats 21-2 Upgrades, Downgrades, and System Images Upgrading the Sensor Supported FTP and HTTP/HTTPS ServersIPS 7.21E4 Files 21-3 21-4 Upgrade Notes and CaveatsManually Upgrading the Sensor Enter the password when prompted Upgrade the sensorSensorconfig# upgrade url/IPS-SSP10-K9-7.2-1-E4.pkg Upgrading the Sensor 21-6 Working With Upgrade Files 21-7 Upgrading the Recovery Partition Configuring Automatic Updates Configuring Automatic UpgradesEnter the server password. The upgrade process begins 21-8 21-9 21-10 Configuring Automatic Upgrades Specify the password of the user Specify the username for authenticationExit automatic upgrade submode 21-11 Sensor# autoupdatenow Applying an Immediate Update21-12 Sensor# show statistics host 21-13 Recovering the Application PartitionDowngrading the Sensor Recovering the Application Partition Image Installing System ImagesRecover the application partition image Sensorconfig# recover application-partition 21-15 Connecting an Appliance to a Terminal ServerTftp Servers 21-16 Installing the System Image for the IPS 4345 and IPS PCI 21-17 If necessary, assign the gateway IP address Assign the Tftp server IP address21-18 Rommon ping server 21-19 Installing the System Image for the IPS 4510 and IPSRommon 21-20 21-21 If necessary, assign the Tftp server IP address Periodically check the recovery until it is complete Installing the System Image for the ASA 5500-X IPS SSPImage the ASA 5500-X IPS SSP 21-22 21-23 Installing the System Image for the ASA 5585-X IPS SSP 21-24 To enable debugging of the software installation process Specify the default gateway of the ASA 5585-X IPS SSPAsa# hw-module module 1 recover boot Leave the Vlan ID at 21-26 Installing the ASA 5585-X IPS SSP System Image Using Rommon Rommon #0 set 21-27 21-28 21-29 21-30 IPS System Design Understanding the IPS System Architecture Figure A-1illustrates the system design for IPS software Figure A-2 System Design for IPS 4500 Series Sensors System Applications Appendix a System Architecture System Applications For detailed information about SDEE, see SDEE, page A-33 Security Features Understanding the MainApp MainAppMainApp Responsibilities ARC Understanding the Event Store Event Store Stamp Value Meaning Event Data StructuresTable A-1shows some examples IPS Events NotificationApp Vlan PEP CtlTransSource Figure A-3 Attack Response Controller Figure A-4illustrates the ARC Understanding the ARC ARC Features Supported Blocking Devices Fwsm ACLs and VACLsMaintaining State Across Restarts Scenario Connection-Based and Unconditional Blocking To unblock an IP address Blocking with Cisco FirewallsTo clear all blocks No shun ip Logger Blocking with Catalyst Switches Understanding the AuthenticationApp AuthenticationAppAuthenticating Users Configuring Authentication on the Sensor Managing TLS and SSH Trust Relationships Web Server SensorApp Understanding the SensorApp Inline, Normalization, and Event Risk Rating Features Packet Flow SensorApp New Features Signature Event Action Processor CollaborationApp Update Components Error Events SwitchApp User Roles CLI Communications Service Account Idapi Idconf Cidee Cisco IPS File Structure Summary of Cisco IPS Applications Using the IdapiApplication Description CLI Java applet that provides an Html IPS management interface IDMIME Events Understanding Signature Engines Signature Engines Appendix B Signature Engines Understanding Signature Engines Appendix B Signature Engines Understanding Signature Engines General Parameters Master EngineParameter Description Value Signature-id Specifies the ID of this signature Sig-name Promiscuous Delta Vulnerable OS List Alert FrequencyObsoletes Event Actions Name Description To Match Regular Expression AIC Engine\NNN AIC Engine Parameters Understanding the AIC EngineAIC Engine and Sensor Performance Parameter Description Alarm-on-non-http-traffic Table B-6 AIC FTP Engine Parameters Atomic ARP Engine Atomic Engine Atomic IP Advanced Engine Atomic IP Advanced Engine Restrictions Isatap String IPv6 Parameter Description Value OL-29168-01 IPV4 L4 Protocol ICMPv6 Icmp ID L4 Protocol TCP and UDP OL-29168-01 Atomic IP Engine Parameter Description Value Appendix B Signature Engines OL-29168-01 Atomic IPv6 Signatures Atomic IPv6 Engine Fixed Engine Table B-11 Fixed TCP Engine Parameters Flood Engine Flood Net Engine Parameters Meta EngineProtocol Specifies which kind of traffic to inspect Name1 Component-list Specifies the Meta engine component Multi String Engine Normalizer Engine IPv6 Fragments IP Fragmentation NormalizationTCP Normalization ASA IPS Modules and the Normalizer Engine Service Engines Service DNS Engine Understanding the Service Engines Service FTP Engine Service Generic Engine Table B-20 Service Generic Engine Parameters Service H225 Engine Setup SetupASN.1-PER Tpkt Service Http Engine Crlfcrlf Service Ident Engine Service Msrpc Engine Smbcomtransaction Service Mssql Engine Service NTP Engine Service RPC Engine Service P2P Engine Parameter Description Value Service SMB Advanced Engine Msrpc Uuid Service Snmp Engine Specify-object-id-Enables Service SSH Engine Service TNS Engine State Engine Table B-32lists the parameters specific to the State engine String Engines Table B-33 String Icmp Engine Parameters Table B-35 String UDP Engine String XL Engines Parameter Description Value Unsupported String XL Parameters Data Nodes Sweep EnginesSweep Engine Type Sweep Other TCP Engine Sweep Other TCP Engine Parameters Traffic Anomaly Engine Signature Traffic Icmp Engine Trojan Engines Bug Toolkit Troubleshooting Creating and Using a Backup Configuration File Preventive MaintenanceUnderstanding Preventive Maintenance Sensor# copy current-config backup-config Backing Up the Current Configuration to a Remote Server Creating the Service Account Disaster Recovery Password Recovery ASA 5500 series adaptive Adaptive security appliance CLI Security appliance IPS modules Command Using Rommon Password-Reset issued for module ips Recovering the Password for the ASA 5585-X IPS SSP 0123 21E4 Disabling Password Recovery Verifying the State of Password Recovery Synchronizing IPS Clocks with Parent Device Clocks For the procedure for configuring NTP, see Configuring NTP,Time Sources and the Sensor Generate the hosts statistics again after a few minutes Verifying the Sensor is Synchronized with the NTP ServerGenerate the host statistics Advantages and Restrictions of Virtualization TFor More Information To learn more about Worms, see Understanding Worms, When to Disable Anomaly Detection Command output Reboot the sensorAnalysis Engine Not Responding Enter show tech-support and save the output External Product Interfaces Issues Troubleshooting Loose Connections Troubleshooting the ApplianceExternal Product Interfaces Troubleshooting Tips Analysis Engine is Busy Communication Problems Cannot Access the Sensor CLI Through Telnet or SSH More Sensor# show configuration include access-list Correcting a Misconfigured Access List Make sure the sensor cabling is correct Duplicate IP Address Shuts Interface Down Make sure the IP address is correct SensorApp and AlertingSensorApp is Not Running AnalysisEngine 20130410110072014 Release Physical Connectivity, SPAN, or Vacl Port Issue Sensor# show interfaces Unable to See Alerts Sensor# show interfaces FastEthernet0/1 Make sure you have Produce Alert configuredCheck for alerts Sensor# show interfaces GigabitEthernet0/1 Sensorconfig-int#physical-interfaces GigabitEthernet0/1Sensor Not Seeing Packets Exit the service account Log in to the sensor CLI Cleaning Up a Corrupted SensorApp ConfigurationCheck to see that the interface is up and receiving packets Replace the virtual sensor file Start the IPS services Troubleshooting BlockingBlocking Sensor# cids start Verifying the ARC is Running Make sure you have the latest software updates If the ARC is not connecting, look for recurring errorsSensor# show events error hhmmss month day year include nac Sensor# show events error 000000 Apr 01 2011 include nac For More Information Verify the IP address for the managed devices Device Access Issues Start the manual block of the bogus host IP address Sensorname Sensor Management Time-Based Actions Host Blocks Blocking Not Occurring for a Signature Enabling SSH Connections to the Network Device Verifying the Master Blocking Sensor Configuration Exit network access general submode Enabling Debug Logging Enable debug logging for all zonesLogging View the zone names Turn on individual zone controlExit master zone control Protected entry zone-name nac Exit the logger submode Turn on debugging for a particular zone Press Enter to apply changes or type no to discard them Zone NamesTable C-2lists the debug logger zone names Zone Name Description Directing cidLog Messages to SysLog TCP Reset Not Occurring for a Signature Upgrading Error Software UpgradesMake sure the correct alarms are being generated Sensor# show events alert Issues With Automatic Update Which Updates to Apply and Their Prerequisites Updating a Sensor with the Update Stored on the Sensor Click the Advanced tab Troubleshooting the IDMCannot Launch the IDM Loading Java Applet Failed Delete the temp files and clear the history in the browser Cannot Launch the IDM-The Analysis Engine Busy Signatures Not Producing Alerts Troubleshooting the IME Time Synchronization on IME and the Sensor Troubleshooting the ASA 5500-X IPS SSPNot Supported Error Message Health and Status Information E1000 00000005.0 PCI INT a disabled 303 Appendix C Troubleshooting Usb CRS IRQ Failover Scenerios ASA 5500-X IPS SSP and the Normalizer Engine ASA 5500-X IPS SSP and Jumbo Packets ASA 5500-X IPS SSP and Memory Usage Hw-module module 1 reset command Troubleshooting the ASA 5585-X IPS SSP Reset issued for module in slot Asa# show Mgmt IP addr 192.0.2.3 Failover Scenarios ASA 5585-X IPS SSP and the Normalizer Engine Traffic Flow Stopped on IPS Switchports ASA 5585-X IPS SSP and Jumbo Packets Gathering Information Tech Support Information Health and Network Security Information Displaying Tech Support Information Understanding the show tech-support Command Sensor# show tech-support page System Status Report Tech Support Command Output = No Displaying Version Information Understanding the show version CommandVersion Information Version 29.1 Platform IPS4360 Serial Number Service aaa Displaying Statistics Understanding the show statistics CommandStatistics Information Percentage Thread Sec Min Average Inspection Stats Inspector Active Call Create Delete Display the statistics for anomaly detection Sensor# show statistics event-store Sensor# show statistics denied-attackersSensor# show statistics event-server Threat Multicast MTU1500 Metric1 Appendix C Troubleshooting Gathering Information Display the statistics for the notification application Name Current OL-29168-01 Sensor# show statistics web-server listener-443 Interfaces Information Understanding the show interfaces Command Displaying Interface Traffic History Interfaces Command Output Avg Load Peak Load GigabitEthernet0/1 Time Packets Received Bytes Received Mbps Events Information Displaying Events Understanding the show events CommandSensor Events Displaying Events 100 101 CidDump ScriptClearing Events Enter the following command Uploading and Accessing Files on the Cisco FTP Site102 Usr/cids/idsRoot/bin/cidDump URI CLI Error MessagesReason Command Error Message Reason Command Packet-file but no packet-file has System that has not been upgradedBeen captured User attempted to downgrade a Operator or viewer user attempted to Initial login User attempted to cancel a CLILog in when the maximum number Administrator user attempted to log Initial login Appendix D CLI Error Messages Reason/Location CLI Validation Error Messages Interface and optional sub-interface being Detection configuration file that is currently in useAdded to the virtual sensor entry physical Interface set has already been assigned to another OL-29168-01 GL-1 GL-2 To detect worm-infected hosts GL-3 GL-4 Certificate for one CA issued by another CAAuthoritative private key GL-5 GL-6 A public outside network Dual In-line Memory ModulesTo the transmit line and reads data from the receive line 802.1q to be used GL-8 GL-9 Procedures, and basic data transport methodsAn ITU standard that governs H.245 endpoint control GL-10 GL-11 GL-12 GL-13 Proprietary branchesDetailed information about signatures GL-14 GL-15 GL-16 Quality and service availability GL-17 Unauthorized activity Network devices. Used with the IDS MCAnalysis Engine GL-18 GL-19 GL-20 Network asset through its IP address Authorization, and accountingLocal system. Telnet is defined in RFC GL-21 GL-22 RFC Through a switch. Also known as security ACLsVersion identifier. Part of the UDI GL-23 GL-24 GL-25 Payload reassemblyHosts GL-26 IN-1 AIC FTPAIC Http IN-2 TACACS+ NATARP IN-3 IN-4 AsdmSSP IN-5 Radius IN-6 BO2KURL Cidee IN-7 Exec IN-8 IN-9 IN-10 IN-11 CSA MC IN-12 TFN IN-13 AIC FTP AIC Http IN-14 IN-15 IN-16 IdapiIdconf IN-17 IdiomASA 5500-X IPS SSP ASA 5585-X IPS SSP IN-18 Tcpdump IN-19 IPS SSP IN-20 SSHLoki IN-21 Snmp IN-22 IN-23 IN-24 Sdee RTTHttp A-33 IN-25 IN-26 IN-27 IN-28 AIC IN-29 Cidee Idconf Idiom SdeeSmtp IN-30 TFN2K TACTLS IN-31 IN-32 BO2K Loki TFN2K Sensor initialization Sensor setup Version display Upgrade commandSensing process not running Viewer role privileges IN-34