ZyXEL Communications ZLD 14.2 ALG Commands

Chapter 14 ALG

14.2 ALG Commands

The following table lists the alg commands. You must use the configure terminal command to enter the configuration mode before you can use these commands.

Table 63 alg Commands

COMMAND	DESCRIPTION
[no] alg sip [inactivity-	Turns on or configures the ALG.
timeout signal-port	Use inactivity-timeoutto have the ZyWALL apply SIP media and
<1025..65535> signal-
extra-port <1025..65535>	signaling inactivity time out limits.
media-timeout <1..86400>	Use signal-portwith a listening port number (1025 to 65535) if you are
signal-timeout <1..86400>
	using SIP on a port other than UDP 5060.
transformation]	Use signal-extra-portwith a listening port number (1025 to 65535) if
	you are also using SIP on an additional UDP port number, enter it here.
	Use media-timeoutand a number of seconds (1~86400) for how long to
	allow a voice session to remain idle (without voice traffic) before dropping
	it.
	Use signal-timeoutand a number of seconds (1~86400) for how long to
	allow a SIP signaling session to remain idle (without SIP packets) before
	dropping it.
	Use transformation to have the ZyWALL modify IP addresses and port
	numbers embedded in the SIP data payload. You do not need to use this if
	you have a SIP device or server that will modify IP addresses and port
	numbers embedded in the SIP data payload.
	The no command turns off the SIP ALG or removes the settings that you
	specify.
[no] alg <h323 ftp>	Turns on or configures the H.323 or FTP ALG.
[signal-port <1025..65535>	Use signal-portwith a listening port number (1025 to 65535) if you are
signal-extra-port
<1025..65535>	using H.323 on a TCP port other than 1720 or FTP on a TCP port other
	than 21.
transformation]
	Use signal-extra-portwith a listening port number (1025 to 65535) if
	you are also using H.323 or FTP on an additional TCP port number, enter it
	here.
	Use transformation to have the ZyWALL modify IP addresses and port
	numbers embedded in the H.323 or FTP data payload. You do not need to
	use this if you have an H.323 or FTP device or server that will modify IP
	addresses and port numbers embedded in the H.323 or FTP data payload.
	The no command turns off the H.323 or FTP ALG or removes the settings
	that you specify.
[no] alg sip defaultport	Adds (or removes) a custom UDP port number for SIP traffic.
<1..65535>
show alg <sip h323 ftp>	Displays the specified ALG’s configuration.

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