Cisco Cisco Email Security Appliance C680 릴리즈 노트
5
Release Notes for AsyncOS 9.8 for Cisco Email Security Appliances
What’s New
Cloudmark Anti-spam
Engine Update
Engine Update
The Cloudmark anti-spam engine is updated in this release.
Non-Spam Quarantines
You can now specify a retention time in minutes for all policy, virus, and
outbreak quarantines including the File Analysis quarantine.
outbreak quarantines including the File Analysis quarantine.
LDAP
LDAP queries that return certain error codes such as Unavailable, Busy, or
Operations Error, now fall back to a subsequent LDAP server listed for
failover. Previously, failover occurred only if the connection to the LDAP
server failed.
Operations Error, now fall back to a subsequent LDAP server listed for
failover. Previously, failover occurred only if the connection to the LDAP
server failed.
Option to accept or reject
ARP replies with a
multicast address
ARP replies with a
multicast address
While configuring ethernet media settings using the
etherconfig
command in CLI, you can now specify whether to accept or reject ARP
replies with a multicast address.
replies with a multicast address.
Support for RAR 5.0
Archive Format
Archive Format
Cisco Email Security appliance now supports scanning of RAR 5.0 files.
Changes in SMTP
Call-Ahead Server Profile
Settings
Call-Ahead Server Profile
Settings
While setting up an SMTP Call-Ahead Server Profile, you can now
configure the appliance to reject a connection with custom SMTP response
(code and text) for validation failures.
configure the appliance to reject a connection with custom SMTP response
(code and text) for validation failures.
Using From Header for
DKIM Signing
DKIM Signing
You can now use the DKIM Global Settings (Mail Policies > Signing
Profiles) to choose whether to use From header for DKIM signing. For
DMARC verification of DKIM signed messages, you must use the From
header during DKIM signing.
Profiles) to choose whether to use From header for DKIM signing. For
DMARC verification of DKIM signed messages, you must use the From
header during DKIM signing.
Duplicate Boundaries
Verification
Verification
Cisco Email Security appliance can now detect messages with duplicate
MIME boundaries and perform actions on them.
MIME boundaries and perform actions on them.
Use the Duplicate Boundaries Verification content filter condition or the
duplicate_boundaries
message filter rule to detect messages with
duplicate MIME boundaries.
Message Filter Rule to
Detect Malformed MIME
Headers(CSCuw03606)
Detect Malformed MIME
Headers(CSCuw03606)
You can now take actions on messages with malformed MIME headers
using the new message filter rule: “
using the new message filter rule: “
malformed-header
.”
See the “Using Message Filters to Enforce Email Policies” chapter in the
user guide or online help.
user guide or online help.