How do I disable SIP ALG on a USG FLEX H Series ?
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Zyxel_Stanley
Zyxel Employee
Zyxel Employee
in Networking
Question:
How do I disable SIP ALG on a USG FLEX H Series device?
Answer:
On the USG FLEX H Series, SIP ALG is presented as SIP Pinhole in the firewall settings. By default, SIP ALG is disabled.
Log in to the Web Configurator and go to Configuration > Network > ALG. Then clear Enable SIP Pinhole and click Apply to save the change. If the firewall is managed in Nebula, go to Site-wide > Configure > Firewall > Firewall settings > SIP ALG / SIP Pinhole (FLEX H Series only) and turn it off there.
The SIP Pinhole settings on the H Series do not include a SIP Transformation option. The available options are SIP signaling port, SIP inactivity timeout, and peer-to-peer connection restrictions.
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