ZyXEL Communications ZyWALL USG-Series - Chapter 36 Anti-Spam; Anti-Spam Overview; Anti-Spam Commands; Anti-Spam Profile Rules

ZyWALL / USG (ZLD) CLI Reference Guide 247
CHAPTER 36
Anti-Spam
This chapter introduces and shows you how to configure the anti-spam scanner.
36.1 Anti-Spam Overview
The anti-spam feature marks or discards spam. Activate the anti-spam subscription service for
sender IP reputation checking, mail content analysis, and virus outbreak detection. Use the white
list to identify legitimate e-mail. Use the black list to identify spam e-mail. You can also check e-
mail against a DNS black list (DNSBL) of IP addresses of servers suspected of being used by
spammers.
36.2 Anti-Spam Commands
The following table identifies the values used in some of these commands. Other input values are
discussed with the corresponding commands.
36.2.1 Anti-spam Profile Rules
The following table describes the commands for configuring the zone to zone rules. You must use
the
configure terminal command to enter the configuration mode before you can use these
commands.
Table 140 Input Values for General Anti-Spam Commands
LABEL DESCRIPTION
xheader-name The name (part that comes before the colon) of a field to add to an e-mail header. Use up to
16 ASCII characters.
xheader-value The value (part that comes after the colon) of a field to add to an e-mail header. Use up to
16 ASCII characters.
Table 141 Commands for Anti-Spam Profile Rules
COMMAND DESCRIPTION
anti-spam profile append Enters the anti-spam sub-command mode to append a profile.
anti-spam profile insert rule_number Enters the anti-spam sub-command mode to insert a profile.
anti-spam profile rule_number Enters the anti-spam sub-command mode to edit the specified direction
specific rule.
[no] log [alert] Sets the ZyWALL / USG to create a log (and optionally an alert) when
packets match this rule and are found to be spam. The
no command sets
the ZyWALL / USG not to create a log or alert when packets match this
rule.