detect sip tcp

Function

The detect sip tcp command enables intrazone or interzone ASPF/ALG for TCP-based SIP traffic.

The undo detect sip tcp command disables intrazone or interzone ASPF/ALG for TCP-based SIP traffic.

detect [ ipv6 ] sip tcp

undo detect [ ipv6 ] sip tcp

Parameter	Description	Value
ipv6	Indicates the IPv6 protocol.	-

Security intrazone/interzone view

2: Configuration level

By default, intrazone or interzone ASPF/ALG for TCP-based SIP traffic is disabled.

# Enable Trust-Untrust interzone ASPF/ALG for TCP-based SIP traffic.

<sysname> system-view
[sysname] firewall interzone trust untrust
[sysname-interzone-trust-untrust] detect sip tcp

# Enable Trust intrazone ASPF/ALG for TCP-based SIP traffic.

<sysname> system-view
[sysname] firewall zone trust
[sysname-zone-trust] detect sip tcp