Message Attachment Filter | Surf Control 5.2.4 instruction

3

POLICY MANAGER

Global Policy

•RiskFilter <AND> innovation <AND> Solution

•RiskFilter <OR> innovation

•RiskFilter <OR> innovation <OR> Messaging Gateway

•<OCCUR> RiskFilter

•<OCCUR> RiskFilter <OCCUR> Innovation

Caution: Do not use operands in isolation, for example: <AND>. They must always

accompany a word: for example, RiskFilter <AND>, or RiskFilter <AND> SurfControl. An error will be shown if an operand is entered without an accompanying word.

MESSAGE ATTACHMENT FILTER

The Message Attachment filter allows you to choose or add the types of attachment that you want to filter, including MIME sub-types, such as *.gif, *.mpeg files, and executable files, such as *.exe and *.dll files.

Figure 3 - 28 Message Attachment Filter screen

96 Administrator’s Guide

SurfControl RiskFilter - E-mail V5.2.4

Image 101

Surf Control 5.2.4 manual Message Attachment Filter screen

Contents

SurfControl RiskFilter E-mail Contents Policy Manager Riskfilter System Management Console Appendix Chapter Managing Your Messages with Riskfilter HOW Riskfilter Works Relay Control ConnectionControl Mail Exchanger IP Address MX Preference Load Balancing with Riskfilter Load 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? Select General Configuration from the System Settings tab ConfigurationGeneral Postmaster e-mail address Admin Console Other SettingsSession Timeout Smtp greeting Editing User Directories User Directories Open the User Directories screen Deleting a User Directory Click Add in the User Directories screen Microsoft Active Directory Select IBM Ldap Server IBM Ldap server Click Add in the User Directories screen Select Generic Ldap Generic Ldap Esmtp Server Information Validation settings Local Database Recipient File To 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 Notifications Certificate Importing Certificates Select General Certificate from the System Settings tabExporting Certificates Certificate Signing Request Connection Control Receive SettingsConnection Settings Allow Access List Smtp Greeting Delay 16 The Directory Attack Control screen Directory Attack Control Controlling relaying of messages SPF Authentication ConfigurationRelay Control Allowing relaying to specific domains Relay for Internal Senders Add validation servers Recipient ValidationAdding details of domains 19 The Message Control screen Message Control 20 Set what action is taken on messages Exception Control To configure exception control Adding an IP or subnet address to the blacklist Black List Adding domain or e-mail addresses to the blacklist Importing and exporting Lists Dynamic White List White ListAdding an IP or subnet address to the White List Receive Settings Setting up the destination domains Send SettingsDOMAIN-BASED Delivery Delivering the messages Select Forward mail to the following Smtp servers Using TLS authentication Transport Layer Security Advanced Delivery Traffic Control Send Settings Account Manager User Management Specifying Administrator Access Changing the Administrator Account Password Setting 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 Setting up End User Control End-user Bypass Anti-Spam SettingEND-USER Control User List Authenticating PEM users User Authentication Authenticating remote users Update NOW License & Updates AVA and ASA License Expired Updating your Anti-Spam Agent Definitions Updating the Anti-Virus Agent Scheduled UpdateSelect the Anti-Virus Agent Update check box License Status Select the Anti-Spam Agent Update check boxUpdating the Anti-Spam Agent Updating Component Licenses Viewing component licenses Update ServerManually setting up a license server User Number Exceeded License Server Select Help Contact Support from the System Settings tab Admin Guide Contact SupportHelp Submitting a Support Request Configuration Wizard Firstboot Wizard KEY Points Key Points Policy Manager Policy Manager TAB What can be Configured in the Policy Manager TAB? Defining the Action Creating a PolicyDefining Users Global Policy Filter List Defining the Rules Importing and Exporting Lists Address Group Deleting Address Groups Adding Queues Queue Manager Select Queue Manager from the Policy Manager tab Editing a Queue Editing 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 Create a new dictionary Custom Dictionaries Importing a SurfControl Dictionary Pack Importing Dictionaries Worthlesstab space15 balancetab space10 Creating a unicode text file Select Import from a Unicode text file Importing a unicode text fileExporting a dictionary Creating a NEW SUB-POLICY Global Policy 15 Enter the details of the new Sub-policy Select Global Policy from the Policy Manager tab Adding Filters to the Policy Editing a SUB-POLICYDeleting a SUB-POLICY 18 The Global Policy Filter List screen Defining a Filter Creating a new filter ANTI-VIRUS Agent FilterEditing the Anti-Virus Agent Filter Select Global Policy Filters from the Policy Manager tab Global Policy Select Anti-Spam Agent DFP ANTI-SPAM Agent Filters Select Anti-Spam Agent Heuristics Configuring the Anti-Spam Agent Heuristics Filter Select Anti-Spam Agent LexiRules Configuring the Anti-Spam Agent LexiRules Filter 23 The Internet Threat Database Filter screen Internet Threat Database Filter Select the Internet Threat Database Filter and click Next Standard DisclaimerEditing the Internet Threat Database Filter Select the Standard Disclaimer Filter Editing the Standard Disclaimer Filter Select 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 27 The Expression screen Using the Expression List Using Logical Operators RiskFilter and Gateway and Innovation Examples showing the use of OperandsRiskFilter or Gateway or Innovation Occur gateway Assume Frequency =2 28 Message Attachment Filter screen Message Attachment Filter Select the Message Attachment Filter and click Next Editing the Message Attachment Filter Select 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 Select the Dictionary Threshold Filter and click Next Configuring the Dictionary Threshold Filter Global Policy KEY Points Key Points Reports & Logs Reports and Logs TAB What can be Configured in the Reports and Logs TAB? Server status monitoring Dashboard Querying the Master Report Master ReportSelect Master Report from the Reports and Logs tab Select Specified date range from the Logs for list box Master Report Querying the Message Report Message Report Querying the Policy Report Policy Report Querying the Virus Report Virus Report Querying the Spam Report Spam Report Querying the Connection Report Connection Report Connection Report System Report Managing Isolated Messages Isolated MessagesSelect Isolated Messages from the Reports and Logs tab Click View Messages Isolated 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 Overview What can be Configured with the System Management CONSOLE? Rfmngr Account Accessing the Riskfilter System Management Console Webmin TAB What can be Configured in the Webmin TAB? IP access control Webmin ConfigurationSelect Webmin Configuration from the Webmin tab Webmin Actions LOG Select Logging from the Webmin Configuration screen Select Language from the Webmin Configuration screenLanguage Ports and Addresses Proxy Servers Webmin Servers IndexAdding Webmin Servers Select Webmin Servers Index in the Webmin System TAB What can be Configured in the System TAB? Change Passwords Bootup and ShutdownSelect Change Passwords in the System tab Historic System Statistics Select Multi Gateway Policy Routing in the System tab Multi Gateway Policy Routing Network Interfaces Network Configuration Enter an IP Address Multi-NIC configuration in RiskFilterSetting up additional NICs Routing and Gateways 11 The Create Bootup Interface screen DNS Client Select DNS Client from the Network Configuration tab 15 Host Addresses Host Addresses Select System Time in the System tab Running ProcessesSystem Time Click Sync system time System and Server Status Riskfilter TAB What can be Configured in the Riskfilter TAB? Riskfilter Backup Manager Riskfilter Services Manager Click Complete Riskfilter Cluster Wizard 25Load balancing Load balancing with RiskFilter 26 RiskFilter in a cluster set up Select Web Access Manager in the RiskFilter tab Riskfilter WEB Access Manager 28 The Update RiskFilter-E-mail screen Update Riskfilter E-MAIL KEY Points Key Points Appendix # sudo /etc/init.d/smgd status Using the Command Line Interface QTOOL.SH Clean queues Using the Command Line Interface Using the Command Line Interface Using the Command Line Interface Example 6 uninstalling the RiskFilter software UNINSTALL.SH All items were successfully uninstalled Internet Theat Database Categories Internet Threat Database CategoriesCore / Liability Categories Productivity Categories Core / Liability Categories Productivity Categories Other Special Events Index 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