Technical Note: How to disable the SIP/SDP RTP port nat without deleting the session helper globally

[rpmadathil_FTNT]

Description
This article explains about how to disable the SIP/SDP RTP port nat without deleting the session helper globally.

Scope
Without deleting the session helper globally, we can create custom service and add it to a specific ipv4 policy to disable the SIP/SDP RTP port nat
Solution

CLI syntax to create new service and disable the "Helper"

config firewall service custom
edit "Helper-disable"
set protocol IP
set helper disable
next
end

- Create new IPV4 policy for SIP traffic and apply the custom service