application-screen (Security SIP)
Syntax
application-screen { protect { deny { all { timeout value-in-seconds; } destination-ip address; timeout value-in-seconds; } } unknown-message { permit-nat-applied; permit-routed; } }
Hierarchy Level
[edit logical-systems name security alg sip], [edit logical-systems name tenants name security alg sip], [edit security alg sip], [edit services alg sip], [edit tenants name security alg sip]
Description
Configure the security screens for the Session Initiation Protocol (SIP) Application Layer Gateway (ALG) to handle unknown-messages and protect SIP server.
IPv6 is supported on the SIP ALG along with Network Address Translation Protocol Translation (NAT-PT) mode and NAT64 address translation.
The type of the <destination-ip-address> is changed from IPv4 address to IP prefix to support all kinds of IP addresses, and correspondingly a prefix is supported to allow multiple IP addresses.
Options
The remaining statements are explained separately. See CLI Explorer.
Required Privilege Level
security—To view this statement in the configuration.
security-control—To add this statement to the configuration.
Release Information
Statement introduced in Junos OS Release 8.5.