Symantec 10547829 - Mail Security For Smtp 5.0 Smb, Installation Manual, Page: 22 / 54

Table 2-1
Reserved ports for the Symantec Mail Security Appliance (continued)
Description To From Protocol Port
Inbound internal mail traffic Internal mail servers Appliance TCP 25
Outbound internal mail traffic Appliance Internal mail
servers
TCP 25
Outbound internet mail traffic Internet mail hosts Appliance TCP 25
Recursive DNS lookups Appliance Internet TCP 53
Default automatic antivirus
updates
Internet Appliance TCP 80
Appliance time sync server
sources
Internal NTP Servers
or Internet
Appliance UDP 123
LDAP server access to
synchronize users/groups/d-lists
LDAP servers Appliance TCP 389
Rule updates, software updates
and license registration
Internet Appliance TCP 443
MSN Messenger TCP 1863
-
1866
LDAP server access to
synchronize users/groups/d-lists
(Global Catalog Access)
LDAP servers Appliance TCP 3268
MySQL database connection MySQL database
server
Control Center TCP 3306
Relay Hub TCP 5001
Yahoo Messenger 5050,
5055,
5056,
80
AOL Instant Messenger (AIM) TCP 5190
-
5194
Google Talk TCP 5222
Understanding system requirements
Ports used by Symantec Mail Security
22