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McAfee 6.1 manual Policy enforcement with the Linux client

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McAfee® Host Intrusion Prevention 6.1 Product Guide	Host Intrusion Prevention Client
	Linux client

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Linux client

The Host Intrusion Prevention 6.1 Linux client identifies and prevents potentially harmful attempts to compromise a Linux server’s files and applications. It leverages the native SELinux protection mechanism, translating IPS policies into SELinux rules and SELinux events back to IPS events, and provides easy management from the ePO console.

Policy enforcement with the Linux client

Not all policies that protect a Windows client are available for the Linux client. In brief, Host Intrusion Prevention protects the host server from harmful attacks but does not offer network intrusion protection, including buffer overflow. The policies that are valid are listed here.

With this policy...	These options are available...

HIP 6.1 GENERAL:
Client UI	None except admin or time-based password to allow use
	of the troubleshooting tool.

Trusted Networks	None
Trusted Applications	Only Mark as trusted for IPS and New Process Name to add
	trusted applications.

HIP 6.1 IPS:
IPS Options		Enable HIPS
		Enable Adaptive Mode
	Retain existing Client Rules

IPS Protection	All
IPS Rules		Exception Rules
	Signatures (default and custom HIPS rules only)
	Note: NIPS signatures and Application Protection Rules
	are not available.

IPS Events	All
IPS Client Rules	All

Search IPS Exception Rules	All
HIP 6.1 FIREWALL	None

HIP 6.1 APPLICATION BLOCKING	None

Notes about the Linux client

If you have an existing SELinux policy in place or are using default protection settings, installing a Linux client replaces the policy with a default McAfee Host Intrusion Prevention policy. Uninstalling the Linux client restores the previous SELinux policy.

The Linux client requires that SELinux be installed and enabled (set to enforce or permissive). If it is installed but disabled, enable it, set it to targeted policy, and restart the computer before installing the Linux client.

Linux controls file attribute changes with a single SELinux permission (file:setattr). It does not have individual control of chdir or symlink, control of changing directory, or control of creating a symbolic link.

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McAfee 6.1 manual Policy enforcement with the Linux client

Contents

McAfee Host Intrusion Prevention Page McAfee Host Intrusion Prevention Copyright Contents IPS Policies General Policies 103 Frequently Asked Questions 160 Writing Custom Signatures 164 IntroducingPrevention Host Intrusion New features What’s new in this releaseChanges from the previous release Using this guide AudienceConventions This guide uses the following conventionsBold Condensed ExampleGetting product information Standard documentationCustomer Service Professional ServicesContact information IPS feature Basic ConceptsSignature rules Behavioral rules EventsReactions Exception rulesFirewall feature Firewall rulesClient firewall rules Application Blocking feature General featureClient application blocking rules Policy management Policy enforcementPolicies and policy categories Policy inheritance and assignment Policy ownershipPolicy assignment locking Preset protection Adaptive and Learn modeDeployment and management Tuning ReportsUsing ePolicy Orchestrator „ Deploy Host Intrusion Prevention clientsEPolicy Orchestrator console EPolicy Orchestrator consolePolicy management Assign PoliciesInstalling the Host Intrusion Prevention server Host Intrusion Prevention operationsAssigning owners to policies Generating notificationsDeploying Host Intrusion Prevention clients Viewing and working with client dataPlacing clients in Adaptive or Learn mode Configuring policies Policy viewing alertsFine-tuning Active X control security warningUsing Help Help navigation proceduresHelp in the user interface IPS Events/SignaturesIPS Exception Rules IPS Signature RulesIPS Policies OverviewHost and network IPS signature rules Benefits of Host IPSPreset IPS policies Behavioral rulesBenefits of Network IPS Configuring the IPS Options policy Quick accessTo configure the IPS Options policy Click Apply To create a new IPS Options policyIPS Options dialog box appears Select the needed optionsConfiguring the IPS Protection policy To configure the IPS Protection policy To create a new IPS Protection policyIPS Protection dialog box appears Select the type of reaction for each severity levelConfiguring the IPS Rules policy To assign IPS Rules policiesTo create a new IPS Rules policy IPS Rules policy details Creating exception rules To create an exceptionEditing exception rules You can view and edit details of an existing exceptionTo edit an exception rule To disable/enable an exception Enabling and disabling exception rulesDeleting exception rules Moving exception rules to another policySignatures Types of signaturesHost signatures Custom host signaturesViewing signatures IPS Rules-Signatures tabTo modify default signatures Modifying host and network signaturesCreating custom signatures To modify the view of signaturesUsing the wizard to create signatures To create signatures using the wizardUsing the standard mode to create signatures To create a signature with the standard modeNew Custom Signature-General tab Editing custom signatures Deleting custom signaturesTo use Standard Method To use Expert Method To edit a custom signatureApplication Protection Rules 11 Application Protection Rules analysisTo create an application protection rule 12 IPS Rules-Application Protection Rules13 New Trusted Application dialog box-General tab IPS Events Editing Application Protection RulesEnabling and disabling Application Protection Rules Deleting Application Protection RulesViewing events To view IPS eventsConfiguring the event view Filtering eventsTo change the event view Marking events To mark an event as readTo mark an event as unread To hide an eventMarking similar events To mark similar events„ Agent „ Signatures „ User „ Process „ Severity Level HiddenViewing event details Creating event-based exceptions and trusted applicationsTo view event details To create an event-based exception To create an event-based trusted applicationIPS Client Rules Searching for related exceptionsTo search for a related exception Regular View To migrate client rules to an IPS Rules policyAggregated View To aggregate client rulesClick the Aggregate View tab on the IPS Client Rules tab Search IPS Exception Rules To search for exceptions and manage the list of exceptions22 Search IPS Exception Rules tab Firewall Policies HIP 6.0 rules HIP 6.1 rulesState table Stateful packet filteringStateful packet inspection How firewall rules work Ordering the firewall rule listHow stateful filtering works Stateful filtering processHow stateful packet inspection works Stateful protocol trackingProtocol Description of handling Firewall rule groups and connection-aware groups TCPOverview Firewall Learn and Adaptive modes Stateful filteringQuarantine policies and rules Preset Firewall policies Migrating custom 6.0 firewall rules to 6.1 rulesTo migrate rules Configuring the Firewall Options policy To configure the Firewall Options policySelect For these settings Off McAfee Default LearnCreate New Policy dialog box appears „ Select New PolicyConfiguring the Firewall Rules policy Creating new Firewall Rules policiesTo create a Firewall Rules policy Include Local Subnet Automatically selected Select this For this protection Policy Server Medium Server HighViewing and editing firewall rules Do any of the followingTo view and edit a firewall rule Add Policy or Duplicate PolicySelect the appropriate settings Click OK Creating a new firewall rule or firewall groupTo create a firewall rule To create a new rule group Firewall Rule Group dialog box appearsTo create a connection-aware group Type a name for this group in the Name fieldDeleting a firewall rule or group To add predefined rulesTo delete a firewall rule or group Viewing firewall client rules To view all firewall client rulesTo modify the view, do any of the following To view aggregated firewall client rules To view details of an aggregated firewall ruleConfiguring the Quarantine Options policy To configure the Quarantine Options policySelect New Policy Configuring the Quarantine Rules policy Quarantine Rules policy provides access forCreating new Quarantine Rules policies To create a Quarantine Rules policyViewing and editing quarantine rules To view and edit a quarantine ruleClick Properties Creating a new quarantine rule or group Deleting a quarantine rule or groupTo create a quarantine rule To delete a quarantine rule or groupApplication Blocking Policies Application creationPreset Application Blocking policies Application Blocking feature contains two policy categoriesApplication hooking Configuring the Application Blocking Options policy Select this policy For these settings Off McAfee DefaultTo apply an Application Blocking Options policy Application Blocking Options Configuring the Application Blocking Rules policy Creating new Application Blocking Rules policiesTo create an Application Blocking Rules policy Viewing and editing Application Blocking Rules To view and edit an application blocking ruleCreating new Application Blocking Rules To create a new application blocking ruleApplication Rule dialog box appears 100Deleting an application blocking rule Viewing application client rulesTo delete an application blocking rule To view all client application rulesTo view aggregated client application rules To view details of an aggregated client application ruleGeneral Policies Preset General policies General feature contains four policy categoriesConfiguring Enforce Policies Configuring the Client UI policyTo change the policy setting Regular UserAdministrator User To configure a Client UI policyCreating and applying a Client UI policy Disconnected UserSetting passwords 107To create an administrator password Click the Advanced Options tab in the Client UI policy108 To create a time-based password Tray icon controlTo provide tray icon control of Windows UI Configuring the Trusted Networks policy To configure trusted network options110 Select To do this Add EditRemove Include Local SubnetConfiguring the Trusted Applications policy Creating and applying Trusted Applications policiesTo create a new policy Trusted Application tab appearsCreating trusted applications To create a trusted applicationTo disable/enable a trusted application Editing trusted applicationsEnabling and disabling trusted applications Deleting trusted applicationsMaintenance Fine-tuning a deploymentAnalyzing IPS events 115Creating exception rules and trusted application rules Working with client exception rulesCreating and applying new policies For details on working with client rules, seePolicy maintenance and tasks To view and reset broken inheritance below a specific nodePolicies tab Policy inheritance and assignmentTo copy and paste policy assignments of a node Click Copy policy assignmentsTo view nodes where a policy is assigned Policy CatalogViewing policy information To view all policies that have been createdTo view the settings and owner of a policy To view assignments where policy enforcement is disabledEditing policy information To edit a policy Running server tasks Directory GatewayEvent Archiver Property TranslatorSetting up notifications for events How notifications workCreating rules Host Intrusion Prevention notifications 124Running reports Pre-defined reportsReport repository Report content control Host Intrusion Prevention reportsSummary information and details IPS Events Summary by SignatureIPS Event Summary by Target Network Intrusion Summary by Source IPSignature Top 10 Attacked Nodes for IPS Top 10 Triggered SignaturesBlocked Application Summary Filters on platform and signature typeFailed Quarantine Updates Top 10 Blocked ApplicationsInitial View Drill Down Host Name Checking in the update package To add update packages automaticallyUpdating From the Task type list, select Repository PullTo add update packages manually To run an update taskTo have a client request an update Updating clientsHost Intrusion Prevention Client Windows clientSystem tray icon Client console133 Setting options Unlocking the client interfaceTo unlock the Host Intrusion Prevention interface To customize client optionsError Reporting TroubleshootingShow tray icon Error Reporting Select For thisTo set IPS logging options To set Firewall logging optionsSecurity Violations Alerts Intrusion alerts137 To respond to a firewall Learn Mode alert Firewall alerts138 Has the Treat rule match as an intrusion option selectedApplication Blocking alerts Quarantine alerts Spoof Detected alerts„ The IP address that the traffic pretends to come from 140 141 IP Spoof Detected Alert dialog boxIPS Policy tab IPS Policy optionsTo customize IPS Policy options 142IPS Policy exception rules Exception rules listTo edit the exception rules 143Firewall Policy tab Firewall Policy optionsTo customize Firewall Policy options 144Firewall Policy Rules Firewall rules list145 Application Policy tab Application Policy optionsTo customize Application Policy options 146Application Policy rules Application rules list147 Blocked Hosts tab Blocked Hosts list148 Column What it showsTo edit the Blocked Hosts list 149Until removed Application Protection tab Application Protection listThis list shows all monitored processes on the client 150Activity Log tab Activity Log optionsTo customize Activity Log options 151Activity Log list 152Select Create Sniffer Capture... McAfee Host Intrusion Prevention OptionsTroubleshooting Client installation issuesSolaris client Policy enforcement with the Solaris clientClient operations issues Run this command To do this154 File/Directory Name DescriptionTo stop a Solaris client To restart a Solaris client155 Linux client Policy enforcement with the Linux clientVerifying the client is running File Name DescriptionTroubleshooting tool 158Run the command hipts agent off To stop a Linux clientTo restart a Linux client 159Frequently Asked Questions What is a policy?What is the McAfee Default policy? 160161 How do I view IPS events triggered by clients? How do I create an exception based on an IPS Event?How do I create custom signatures for an IPS Policy? How do I find existing policies that match a given profile?Writing Custom Signatures Rule StructureBasic structure of a rule is the following 164Mandatory common sections 165Section Name Value Description Use of Include and Exclude Name/domain user nameOptional common sections Section value variablesUse of the dependencies section Use of wildcards Use of environment variablesUse of predefined variables Windows IIS Web ServerMS SQL Database Server Solaris Apache and iPlanet169 This topic describes how to write Windows custom signatures Windows Custom SignaturesClass Files 170171 Advanced Details GUI name ExplanationClass Isapi Machine where the client is installed in the manner host Windows Custom Signatures Class Registry 177 Class Services Section Values Meaning/remarksGUI Name Explanation Possible Values Windows Custom Signatures This topic describes how to write Solaris custom signatures Solaris Custom SignaturesClass UNIXfile 181Relevant X directives per section Directive File Source File permission New permissionAdvanced Details Class UNIXapache183 Solaris Custom Signatures Linux Custom Signatures 185Summary of parameters and directives List of parameters according to typeList of directives according to type 186Glossary 187188 Blocked host189 Console tree190 EPolicy Orchestrator database server191 See also minimal properties192 Inactive agent193 Policy enforcement interval194 Severity level195 SYN floodIndex Working with clients Signatures, 46 creating, 48 creating custom Firewall policy tab rules List IPS Policy tab Page Mcafee.com