Release Notes For AsyncOS 11.0.1 For Cisco Email

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lert Interval for DisabledAutomatic Engine Updates option in the web interface. See the“System Administration” chapter in the user guide. updateconfigcommand in the CLI.Release Notes for AsyncOS 11.0.1 for Cisco Email Security Appliances5

What’s New In This ReleasePerforming additionalactions on attachmentsdetected by AdvancedMalware Protection inMail PolicyYou can perform the following additional actions, if an attachment isconsidered ‘malicious’, ‘unscannable’, or ‘sent for file analysis’ in theAdvanced Malware Protection section for Incoming or Outgoing MailPolicies: Modifying the message recipient Sending the message to an alternate destination host.For more information, see the “File Reputation Filtering and FileAnalysis” chapter in the user guide.Improved AMP EngineLogsSupported Archive FileFormats for ContentScanningInformation about the following scenarios are now logged in the AMPengine logs: File that is not uploaded to the File Analysis server. File that is skipped for file analysis because the appliance exceededthe daily file upload limit to the File Analysis server. File that is marked as unscannable.The Content Scanner in your appliance can perform content scanning onthe following archive file formats: ACE Archive ALZ Archive Apple Disk Image ARJ Archive bzip2 Archive EGG Archive GNU Zip ISO Disk Image Java Archive LZH Microsoft Cabinet Archive RAR Multi-Part File RedHat Package Manager Archive Roshal Archive (RAR) Unix AR Archive UNIX Compress Archive UNIX cpio UNIX Tar XZ Archive Zip Archive 7-ZipRelease Notes for AsyncOS 11.0.1 for Cisco Email Security Appliances6

Changes in BehaviorMacro DetectionEnhancementYou can now detect macros in the following files: Javascript macros in Adobe Acrobat Portable Document Format(PDF) files. Visual Basic for Applications (VBA) macros in Microsoft Office Files(Open XML) and OLE files.For more information, see the “Content Filters” or “Using message Filtersto Enforce Email Policies” chapter in the user guide.CRL Check for webinterface loginYou can configure CRL check for web interface login using one of thefollowing ways: Network CRL Sources Edit Settings CRL check for WebUIoption in the web interface. See the “Authenticating SMTP SessionsUsing Client Certificates” chapter in the user guide. certconfig crl command in the CLIIf you enable this option and the certificate is revoked: You will receive an alert indicating that the certificate is revoked. You will not be able to access the web interface of your appliance.However, you can still log in to your appliance using the CLI.You must import and configure a valid certificate through the CLI to beable to access the web interface of your appliance. See CLI ReferenceGuide for AsyncOS for Cisco Email Security Appliances.Configuring Cache Expiry You can configure the cache expiry period for File Reputation dispositionPeriod for File Reputation values in one of the following ways:disposition values. Security Services File Reputation and Analysis Cache Settingspage in the web interface. New datacenter added inEuropean region for FileReputation and FileAnalysis servicesampconfig cachesettings modifytimeout command in the CLI.Cisco has added a new datacenter in the European region for the FileReputation and File Analysis services: EUROPE ( for File Reputation server EUROPE ( for File Analysis serverYou can configure your Email Security appliance to use the new FileReputation and File Analysis services. For more information, see the “FileReputation Filtering and File Analysis” chapter in the user guide.Changes in Behavior Changes in Behavior in AsyncOS 11.0, page 8Release Notes for AsyncOS 11.0.1 for Cisco Email Security Appliances7

Changes in BehaviorChanges in Behavior in AsyncOS 11.0No Support for RSAEnterprise ManagerAfter you upgrade to this release, there is no support for RSA EnterpriseManager. If you have DLP policies created in RSA Enterprise Manager,you must recreate those policies in your appliance after the upgrade.DLP updates performed at Prior to this release, DLP updates were performed at the level that DLPmachine level onlywas configured. For example, if DLP was configured at cluster level, DLPupdates were also performed at that level.After you upgrade to this release, DLP updates are only performed at themachine level, irrespective of whether DLP is configured at the cluster,machine, or group level.Unable to rollback to aprevious version of DLPengine and contentmatching classifiersPrior to this release, you could rollback to a previous version of DLPengine and content matching classifiers on the appliance.Changes in US DriversLicense classifierPrior to this release, you could view the US Drivers License classifier fieldin Mail Policies DLP Policy Manager Advance Settings page in theweb interface. You could use this classifier to select or deselect particularUS states to match a DLP policy that you create.After you upgrade to this release, you cannot rollback to a previousversion of DLP engine and content matching classifiers on the appliance.After you upgrade to this release, the US Drivers License classifier fieldis not available in Mail Policies DLP Policy Manager AdvanceSettings page in the web interface. You cannot select or deselect particularUS states to match a DLP policy that you create. By default, the USDrivers License classifier now searches for all driver licenses issued in theUS.Changes in defaultSeverity Scale valuesPrior to this release, all policies had the same default Severity Scale valuesthat you could adjust for each policy.After you upgrade to this release, the default Severity Scale values differfor each policy.Changes in resetting thepassphraseThe admin (user) can now reset the passphrase for a locked user accountthrough the serial console port.All locked administrative (user) accounts can be unlocked after thepassphrase is changed by the admin (user) only.New Syntax for addingRegular ExpressionsYou can now use the Perl Compatible Regular Expression (PCRE) syntaxto add regular expressions for content matching classifiers or the DLPpolicy templates.Validating LDAP servercertificateYou can validate the LDAP server certificate in one of the following ways:Cloud Domain parameterChanges System Administration LDAP Edit LDAP Settings page in theweb interface ldapconfig setup command in the CLI.Prior to this release, you could configure the Cloud Domain parameterthrough the web interface or the CLI.After you upgrade to this release, you cannot configure the Cloud Domainparameter through the web interface or the CLI.Release Notes for AsyncOS 11.0.1 for Cisco Email Security Appliances8

Changes in BehaviorConfiguring maximumHTTP header sizeYou can use the adminaccessconfig maxhttpheaderfieldsizecommand in CLI to configure the maximum HTTP header size of an HTTPrequest sent to the appliance.The default value for the HTTP header field size is 4096 (4 KB) and themaximum value is 33554432 (32 MB).Change in host keyverifications duringcluster communication.Ability to select AlertSeverities for Anti-Virusand Advanced MalwareProtection alert typesseparatelyDuring cluster communication, host key verifications are now performedbased on SSH-RSA only.For more information, see SSH-RSA Keys for Cluster Communication andSCP Push, page 15.You can now select the alert severities for Anti-Virus and AdvancedMalware Protection alert types separately on the web interface or CLI.The following are the new default threshold values to scan messagesNew default MessageScanning threshold values through the Anti-Spam engine:for Anti-Spam Messages that are smaller than 1 MB size are scanned

RSA has announced End of Life (EOL) for RSA Data Loss Prevention Suite. For more information, see . migration of all the existing DLP policies created in RSA DLP to the new DLP engine. After the upgrade, you can view or modify the migrated DLP policies in Mail Policies DLP Policy Manager page in the web

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