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Surf Control 5.2.4 manual Using the Expression List, The Expression screen

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POLICY MANAGER

Global Policy

3

Using the Expression List

A valid keyword expression is composed of keywords and logical operators. You can enter keyword expressions by either typing them manually or choosing them from the Content dictionaries. The Content dictionaries also have about 20 categories with approximately 14,600 keywords. If you are going to be using keyword checks then you need to add them to the Expression List section.

To configure Expression lists:

1 Click Add.The Expression screen is displayed.

Figure 3 - 27 The Expression screen

2Select Enable to activate the Expression.

3Enter an expression into the field by manually entering it (see Using Logical Operators on page 94’ for details on how to do this). Alternatively, click Select SurfControl Content Dictionary. The Content Dictionaries dialog box is displayed.

4Select the following:

•Language – the Content dictionaries have eight languages: English, Simplified Chinese, Traditional Chinese, German, French, Italian, Spanish and Japanese.

Note: By default, the Content Dictionaries dialog opens with the ‘Adult’ dictionary in view. This shows a list of words that are offensive.

SurfControl RiskFilter - E-mail V5.2.4

Administrator’s Guide 93

Image 98

Surf Control 5.2.4 manual Using the Expression List, The Expression screen

Contents

SurfControl RiskFilter E-mail Contents Policy Manager Riskfilter System Management Console Appendix Chapter HOW Riskfilter Works Managing Your Messages with RiskfilterRelay Control ConnectionControl Load Balancing with Riskfilter Mail Exchanger IP Address MX PreferenceLoad balancing with RiskFilter Https//hostnameoripaddress10000 Launching Surfcontrol RiskfilterRiskfilter System Management Console Opening the RiskFilter Management Console Riskfilter Management Console AdministratorHttps//hostnameoripaddress/admin Before YOU Start System Settings Terminology Used System Settings TABWhat can be Configured in the System Settings TAB? General ConfigurationSelect General Configuration from the System Settings tab Postmaster e-mail addressSession Timeout Other SettingsAdmin Console Smtp greetingUser Directories Editing User DirectoriesDeleting a User Directory Open the User Directories screenMicrosoft Active Directory Click Add in the User Directories screenIBM Ldap server Select IBM Ldap ServerGeneric Ldap Click Add in the User Directories screen Select Generic LdapValidation settings Esmtp Server InformationRecipient File Local DatabaseTo add a local database Click Add Local Database Add/Edit Address screen is displayed Select General Secure Proxy from the System Settings tabSecure Proxy Select Enable Imap Proxy Select Enable POP3 ProxySelect Enable Webmail Proxy Logs and Archives Setting up the storage directoriesSelect General Directories from the System Settings tab Certificate NotificationsExporting Certificates Select General Certificate from the System Settings tabImporting Certificates Certificate Signing RequestConnection Control Receive SettingsConnection Settings Smtp Greeting Delay Allow Access ListDirectory Attack Control 16 The Directory Attack Control screenControlling relaying of messages SPF Authentication ConfigurationRelay Control Allowing relaying to specific domains Relay for Internal Senders Add validation servers Recipient ValidationAdding details of domains Message Control 19 The Message Control screenException Control 20 Set what action is taken on messagesTo configure exception control Black List Adding an IP or subnet address to the blacklistImporting and exporting Lists Adding domain or e-mail addresses to the blacklistDynamic White List White ListAdding an IP or subnet address to the White List Receive Settings DOMAIN-BASED Delivery Send SettingsSetting up the destination domains Delivering the messagesUsing TLS authentication Transport Layer Security Select Forward mail to the following Smtp serversTraffic Control Advanced DeliverySend Settings User Management Account ManagerChanging the Administrator Account Password Specifying Administrator AccessSetting up Administrator Access Select Account Manager from the User Management menu Editing Administrator AccountsPersonal E-MAIL Manager Setting up the PEM message 31 What the user sees Personal E-mail Manager Importing lists of users Adding usersExporting lists of users END-USER Control End-user Bypass Anti-Spam SettingSetting up End User Control User ListUser Authentication Authenticating PEM usersAuthenticating remote users License & Updates Update NOWUpdating your Anti-Spam Agent Definitions AVA and ASA License ExpiredUpdating the Anti-Virus Agent Scheduled UpdateSelect the Anti-Virus Agent Update check box Updating the Anti-Spam Agent Select the Anti-Spam Agent Update check boxLicense Status Updating Component LicensesViewing component licenses Update ServerManually setting up a license server License Server User Number ExceededHelp Admin Guide Contact SupportSelect Help Contact Support from the System Settings tab Submitting a Support RequestFirstboot Wizard Configuration WizardKEY Points Key Points Policy Manager What can be Configured in the Policy Manager TAB? Policy Manager TABDefining the Action Creating a PolicyDefining Users Defining the Rules Global Policy Filter ListAddress Group Importing and Exporting ListsDeleting Address Groups Queue Manager Adding QueuesEditing a Queue Select Queue Manager from the Policy Manager tabEditing SurfControl Dictionary properties Dictionary ManagerSurfcontrol Dictionaries Deleting a word or phrase Changing the value of words in the SurfControl DictionariesAdding words to the SurfControl Dictionaries Custom Dictionaries Create a new dictionaryImporting Dictionaries Importing a SurfControl Dictionary PackCreating a unicode text file Worthlesstab space15 balancetab space10Select Import from a Unicode text file Importing a unicode text fileExporting a dictionary Global Policy Creating a NEW SUB-POLICYSelect Global Policy from the Policy Manager tab 15 Enter the details of the new Sub-policyAdding Filters to the Policy Editing a SUB-POLICYDeleting a SUB-POLICY Defining a Filter 18 The Global Policy Filter List screenEditing the Anti-Virus Agent Filter ANTI-VIRUS Agent FilterCreating a new filter Select Global Policy Filters from the Policy Manager tabGlobal Policy ANTI-SPAM Agent Filters Select Anti-Spam Agent DFPConfiguring the Anti-Spam Agent Heuristics Filter Select Anti-Spam Agent HeuristicsConfiguring the Anti-Spam Agent LexiRules Filter Select Anti-Spam Agent LexiRulesInternet Threat Database Filter 23 The Internet Threat Database Filter screenSelect the Internet Threat Database Filter and click Next Standard DisclaimerEditing the Internet Threat Database Filter Editing the Standard Disclaimer Filter Select the Standard Disclaimer FilterSelect the General Content Filter and click Next General Content FilterEditing the General Content Filter Select the Advanced Content Filter and click Next Advanced Content FilterEditing the Advanced Content Filter Using the Expression List 27 The Expression screenUsing Logical Operators RiskFilter or Gateway or Innovation Examples showing the use of OperandsRiskFilter and Gateway and Innovation Occur gateway Assume Frequency =2Message Attachment Filter 28 Message Attachment Filter screenEditing the Message Attachment Filter Select the Message Attachment Filter and click NextSelect the Internet Content Guardian Filter and click Next Content GuardianCreating a new Content Guardian filter Adding a filtering rule How the Dictionary Threshold Filter works Dictionary Threshold FilterDeleting a filtering rule Configuring the Dictionary Threshold Filter Select the Dictionary Threshold Filter and click NextGlobal Policy KEY Points Key Points Reports & Logs What can be Configured in the Reports and Logs TAB? Reports and Logs TABDashboard Server status monitoringSelect Master Report from the Reports and Logs tab Master ReportQuerying the Master Report Select Specified date range from the Logs for list boxMaster Report Message Report Querying the Message ReportPolicy Report Querying the Policy ReportVirus Report Querying the Virus ReportSpam Report Querying the Spam ReportConnection Report Querying the Connection ReportConnection Report System Report Select Isolated Messages from the Reports and Logs tab Isolated MessagesManaging Isolated Messages Click View MessagesIsolated Messages Select Virus Messages from the Reports and Logs tab Virus MessagesManaging the Virus Messages 14 An Archived message Select Spam Messages from the Reports and Logs tab Spam MessagesManaging Spam Messages To view a message click the subject Select Archived Messages from the Reports and Logs tab Archived MessagesManaging Archived Messages Export Messages Click Reprocess Messages Reprocess MessagesView Messages 19 Select the check box alongside the message Select Deferred Messages from the Reports and Logs tab Deferred MessagesQuerying Deferred Messages 22 An Archived message KEY Points Key Points RiskFilter System Management Console What can be Configured with the System Management CONSOLE? OverviewAccessing the Riskfilter System Management Console Rfmngr AccountWhat can be Configured in the Webmin TAB? Webmin TABSelect Webmin Configuration from the Webmin tab Webmin ConfigurationIP access control Webmin Actions LOGLanguage Select Language from the Webmin Configuration screenSelect Logging from the Webmin Configuration screen Ports and AddressesAdding Webmin Servers Webmin Servers IndexProxy Servers Select Webmin Servers Index in the WebminWhat can be Configured in the System TAB? System TABSelect Change Passwords in the System tab Bootup and ShutdownChange Passwords Historic System StatisticsMulti Gateway Policy Routing Select Multi Gateway Policy Routing in the System tabNetwork Configuration Network InterfacesEnter an IP Address Multi-NIC configuration in RiskFilterSetting up additional NICs 11 The Create Bootup Interface screen Routing and GatewaysSelect DNS Client from the Network Configuration tab DNS ClientHost Addresses 15 Host AddressesSelect System Time in the System tab Running ProcessesSystem Time System and Server Status Click Sync system timeWhat can be Configured in the Riskfilter TAB? Riskfilter TABRiskfilter Services Manager Riskfilter Backup ManagerRiskfilter Cluster Wizard Click CompleteLoad balancing with RiskFilter 25Load balancing26 RiskFilter in a cluster set up Riskfilter WEB Access Manager Select Web Access Manager in the RiskFilter tabUpdate Riskfilter E-MAIL 28 The Update RiskFilter-E-mail screenKEY Points Key Points Appendix Using the Command Line Interface # sudo /etc/init.d/smgd statusClean queues QTOOL.SHUsing the Command Line Interface Using the Command Line Interface Using the Command Line Interface UNINSTALL.SH Example 6 uninstalling the RiskFilter softwareAll items were successfully uninstalled Core / Liability Categories Internet Threat Database CategoriesInternet Theat Database Categories Productivity CategoriesCore / Liability Categories Productivity Categories Special Events OtherIndex 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