Chapter 4 Antivirus CommandsTable 12 av Commands (continued)

COMMAND

DESCRIPTION

M

av config smtpScanAllMime

Enables or disables scanning of ASCII files transferred using

R+B

<onoff>

SMTP (email), such as .txt, .html. By default, the ZyWALL

 

 

scans MIME type files, for example,.doc, .ppt, .zip, .exe.

 

av display

Shows the antivirus settings.

R+B

av load

Loads the antivirus settings.

R+B

av save

Saves the antivirus settings.

R+B

av signature load <signature-

Loads the specified signature (so you can configure it).

R+B

id>

signature-id: Each intrusion signature has a unique

 

 

identification number. This number may be searched at

 

 

myZyXEL.com for more detailed information.

 

 

 

 

av signature config active

Turns the signature you loaded on or off.

R+B

<onoff>

 

 

av signature config alert

Enables or disables alerts for the signature you loaded.

R+B

<onoff>

 

 

av signature config destroyFile

Enables or disables the destruction of files that match the

R+B

<onoff>

virus signature you loaded.

 

av signature config log

Enables or disables logs for packets that match the signature

R+B

<onoff>

you loaded.

 

av signature config sendWinMsg

Enables or disables a pop-up message in Windows notifying

R+B

<onoff>

the detection of a file that matches the virus signature you

 

 

loaded.

 

av signature display

Displays the currently loaded signature’s settings.

R+B

av signature reset

Resets all of the antivirus signatures to their default settings.

R+B

av signature save

Saves your configuration changes for the signature you

R+B

 

loaded.

 

av tune config l4Icmpcjsum

Use the following av tune config commands to configure

R+B

<onoff>

tune settings such as checksum checking and packet

 

 

ordering for IDP/Anti-Virus/Anti-Spam protection. While

 

 

these features improve security, there is a tradeoff in

 

 

performance.

 

 

Enables or disables ICMP checksum checking.

 

 

 

 

av tune config l4Tcpcksum

Enables or disables TCP checksum checking.

R+B

<onoff>

 

 

av tune config l4Tcpmssck

Enables or disables TCP MSS (Maximum Segment Size)

R+B

<onoff>

checking.

 

av tune config l4Tcpwindowck

Enables or disables TCP window checking.

R+B

<onoff>

 

 

av tune config l4Udpcksum

Enables or disables UDP checksum checking.

R+B

<onoff>

 

 

av tune config l7Ftpasm

Enables or disables TCP packet assembly checking for FTP

R+B

<onoff>

traffic.

 

av tune config l7Ftpdataasm

Enables or disables TCP packet assembly checking for

R+B

<onoff>

FTPDATA.

 

av tune config l7Httpasm

Enables or disables TCP packet assembly checking for

R+B

<onoff>

HTTP.

 

av tune config l7Otherasm

Enables or disables TCP packet assembly checking for other

R+B

<onoff>

protocols.

 

36

 

ZyWALL (ZyNOS) CLI Reference Guide