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Surf Control 5.2.4 manual Configuring the Anti-Spam Agent Heuristics Filter

Models: 5.2.4

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POLICY MANAGER

Global Policy

Configuring the Anti-Spam Agent - Heuristics Filter

The Anti-Spam Agent - Heuristics filter is configured in the Anti-Spam Agent Heuristics screen.

Figure 3 - 21 The Anti-Spam - Heuristics screen

To cofigure the Anti-Spam Agent - Heuristics filter:

1Select Global Policy from the Policy Manager tab.

2Click Filters. The Global Policy Filter list screen is displayed.

3Click Add. The Create New Filter screen is displayed.

4Select Anti-Spam Agent - Heuristics.

Note: You will only see this if you have not added an Anti-Spam Heuristics Filter previously.

5Click Next.

6Enter a name into the Filter Name field.

7This filter is enabled by default. Select the ‘disable’ option if you want to switch it off.

8If you want to make the filter so that it can be overwritten by a sub-policy change the Filter Permission setting to writable. The default is read-only.

9Select the Sensitivity Level. This sets how strictly RiskFilter scans messages:

•Lowest – You should not get any false positives with this setting but it is very likely that some spam messages will not be stopped.

•Low – Only messages that are definitely spam will be stopped. With this setting, false positives will be less but you also run the risk of messages that are spam getting through.

•Medium – More messages will be stopped as the criteria for deciding whether a message is spam or not, is much wider. However, some messages that are not spam may be stopped.

86 Administrator’s Guide

SurfControl RiskFilter - E-mail V5.2.4

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Surf Control 5.2.4 manual Configuring the Anti-Spam Agent Heuristics Filter, Select Anti-Spam Agent Heuristics

Contents

SurfControl RiskFilter E-mail Contents Policy Manager Riskfilter System Management Console Appendix Chapter Managing Your Messages with Riskfilter HOW Riskfilter WorksControl ConnectionRelay Control Mail Exchanger IP Address MX Preference Load Balancing with RiskfilterLoad balancing with RiskFilter Riskfilter System Management Console Launching Surfcontrol RiskfilterHttps//hostnameoripaddress10000 Https//hostnameoripaddress/admin Riskfilter Management Console AdministratorOpening the RiskFilter Management Console Before YOU Start System Settings What can be Configured in the System Settings TAB? System Settings TABTerminology Used Postmaster e-mail address ConfigurationSelect General Configuration from the System Settings tab GeneralSmtp greeting Other SettingsAdmin Console Session TimeoutEditing User Directories User DirectoriesOpen the User Directories screen Deleting a User DirectoryClick Add in the User Directories screen Microsoft Active DirectorySelect IBM Ldap Server IBM Ldap serverClick Add in the User Directories screen Select Generic Ldap Generic LdapEsmtp Server Information Validation settingsLocal Database Recipient FileTo add a local database Click Add Secure Proxy Select General Secure Proxy from the System Settings tabLocal Database Add/Edit Address screen is displayed Select Enable Webmail Proxy Select Enable POP3 ProxySelect Enable Imap Proxy Select General Directories from the System Settings tab Setting up the storage directoriesLogs and Archives Notifications CertificateCertificate Signing Request Select General Certificate from the System Settings tabImporting Certificates Exporting CertificatesConnection Settings Receive SettingsConnection Control Allow Access List Smtp Greeting Delay16 The Directory Attack Control screen Directory Attack ControlRelay Control SPF Authentication ConfigurationControlling relaying of messages Allowing relaying to specific domains Relay for Internal Senders Adding details of domains Recipient ValidationAdd validation servers 19 The Message Control screen Message Control20 Set what action is taken on messages Exception ControlTo configure exception control Adding an IP or subnet address to the blacklist Black ListAdding domain or e-mail addresses to the blacklist Importing and exporting ListsAdding an IP or subnet address to the White List White ListDynamic White List Receive Settings Delivering the messages Send SettingsSetting up the destination domains DOMAIN-BASED DeliverySelect Forward mail to the following Smtp servers Using TLS authentication Transport Layer SecurityAdvanced Delivery Traffic ControlSend Settings Account Manager User ManagementSpecifying Administrator Access Changing the Administrator Account PasswordSetting up Administrator Access Personal E-MAIL Manager Editing Administrator AccountsSelect Account Manager from the User Management menu Setting up the PEM message 31 What the user sees Personal E-mail Manager Exporting lists of users Adding usersImporting lists of users User List End-user Bypass Anti-Spam SettingSetting up End User Control END-USER ControlAuthenticating PEM users User AuthenticationAuthenticating remote users Update NOW License & UpdatesAVA and ASA License Expired Updating your Anti-Spam Agent DefinitionsSelect the Anti-Virus Agent Update check box Scheduled UpdateUpdating the Anti-Virus Agent Updating Component Licenses Select the Anti-Spam Agent Update check boxLicense Status Updating the Anti-Spam AgentManually setting up a license server Update ServerViewing component licenses User Number Exceeded License ServerSubmitting a Support Request Admin Guide Contact SupportSelect Help Contact Support from the System Settings tab HelpConfiguration Wizard Firstboot WizardKEY Points Key Points Policy Manager Policy Manager TAB What can be Configured in the Policy Manager TAB?Defining Users Creating a PolicyDefining the Action Global Policy Filter List Defining the RulesImporting and Exporting Lists Address GroupDeleting Address Groups Adding Queues Queue ManagerSelect Queue Manager from the Policy Manager tab Editing a QueueSurfcontrol Dictionaries Dictionary ManagerEditing SurfControl Dictionary properties Adding words to the SurfControl Dictionaries Changing the value of words in the SurfControl DictionariesDeleting a word or phrase Create a new dictionary Custom DictionariesImporting a SurfControl Dictionary Pack Importing DictionariesWorthlesstab space15 balancetab space10 Creating a unicode text fileExporting a dictionary Importing a unicode text fileSelect Import from a Unicode text file Creating a NEW SUB-POLICY Global Policy15 Enter the details of the new Sub-policy Select Global Policy from the Policy Manager tabDeleting a SUB-POLICY Editing a SUB-POLICYAdding Filters to the Policy 18 The Global Policy Filter List screen Defining a FilterSelect Global Policy Filters from the Policy Manager tab ANTI-VIRUS Agent FilterCreating a new filter Editing the Anti-Virus Agent FilterGlobal Policy Select Anti-Spam Agent DFP ANTI-SPAM Agent FiltersSelect Anti-Spam Agent Heuristics Configuring the Anti-Spam Agent Heuristics FilterSelect Anti-Spam Agent LexiRules Configuring the Anti-Spam Agent LexiRules Filter23 The Internet Threat Database Filter screen Internet Threat Database FilterEditing the Internet Threat Database Filter Standard DisclaimerSelect the Internet Threat Database Filter and click Next Select the Standard Disclaimer Filter Editing the Standard Disclaimer FilterEditing the General Content Filter General Content FilterSelect the General Content Filter and click Next Editing the Advanced Content Filter Advanced Content FilterSelect the Advanced Content Filter and click Next 27 The Expression screen Using the Expression ListUsing Logical Operators Occur gateway Assume Frequency =2 Examples showing the use of OperandsRiskFilter and Gateway and Innovation RiskFilter or Gateway or Innovation28 Message Attachment Filter screen Message Attachment FilterSelect the Message Attachment Filter and click Next Editing the Message Attachment FilterCreating a new Content Guardian filter Content GuardianSelect the Internet Content Guardian Filter and click Next Adding a filtering rule Deleting a filtering rule Dictionary Threshold FilterHow the Dictionary Threshold Filter works Select the Dictionary Threshold Filter and click Next Configuring the Dictionary Threshold FilterGlobal Policy KEY Points Key Points Reports & Logs Reports and Logs TAB What can be Configured in the Reports and Logs TAB?Server status monitoring DashboardSelect Specified date range from the Logs for list box Master ReportQuerying the Master Report Select Master Report from the Reports and Logs tabMaster Report Querying the Message Report Message ReportQuerying the Policy Report Policy ReportQuerying the Virus Report Virus ReportQuerying the Spam Report Spam ReportQuerying the Connection Report Connection ReportConnection Report System Report Click View Messages Isolated MessagesManaging Isolated Messages Select Isolated Messages from the Reports and Logs tabIsolated Messages Managing the Virus Messages Virus MessagesSelect Virus Messages from the Reports and Logs tab 14 An Archived message Managing Spam Messages Spam MessagesSelect Spam Messages from the Reports and Logs tab To view a message click the subject Managing Archived Messages Archived MessagesSelect Archived Messages from the Reports and Logs tab Export Messages View Messages Reprocess MessagesClick Reprocess Messages 19 Select the check box alongside the message Querying Deferred Messages Deferred MessagesSelect Deferred Messages from the Reports and Logs tab 22 An Archived message KEY Points Key Points RiskFilter System Management Console Overview What can be Configured with the System Management CONSOLE?Rfmngr Account Accessing the Riskfilter System Management ConsoleWebmin TAB What can be Configured in the Webmin TAB?Webmin Actions LOG Webmin ConfigurationIP access control Select Webmin Configuration from the Webmin tabPorts and Addresses Select Language from the Webmin Configuration screenSelect Logging from the Webmin Configuration screen LanguageSelect Webmin Servers Index in the Webmin Webmin Servers IndexProxy Servers Adding Webmin ServersSystem TAB What can be Configured in the System TAB?Historic System Statistics Bootup and ShutdownChange Passwords Select Change Passwords in the System tabSelect Multi Gateway Policy Routing in the System tab Multi Gateway Policy RoutingNetwork Interfaces Network ConfigurationSetting up additional NICs Multi-NIC configuration in RiskFilterEnter an IP Address Routing and Gateways 11 The Create Bootup Interface screenDNS Client Select DNS Client from the Network Configuration tab15 Host Addresses Host AddressesSystem Time Running ProcessesSelect System Time in the System tab Click Sync system time System and Server StatusRiskfilter TAB What can be Configured in the Riskfilter TAB?Riskfilter Backup Manager Riskfilter Services ManagerClick Complete Riskfilter Cluster Wizard25Load balancing Load balancing with RiskFilter26 RiskFilter in a cluster set up Select Web Access Manager in the RiskFilter tab Riskfilter WEB Access Manager28 The Update RiskFilter-E-mail screen Update Riskfilter E-MAILKEY Points Key Points Appendix # sudo /etc/init.d/smgd status Using the Command Line InterfaceQTOOL.SH Clean queuesUsing the Command Line Interface Using the Command Line Interface Using the Command Line Interface Example 6 uninstalling the RiskFilter software UNINSTALL.SHAll items were successfully uninstalled Productivity Categories Internet Threat Database CategoriesInternet Theat Database Categories Core / Liability CategoriesCore / Liability Categories Productivity Categories Other Special EventsIndex Administrator’s Guide SurfControl RiskFilter E-mail SurfControl RiskFilter E-mail Administrator’s Guide OpenSSL Sun RPC Apache Software License, Version Expat XML Parser Toolkit SPFJava Ldap