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How to disable ALG ON Sophos XG appliances
SIP ALG is a console level feature on Sophos. It is not available through the GUI. The administrator can enable / disable the SIP module by following the steps below:
1. Log in to the CLI using Telnet or SSH. You can also access the CLI from admin > Console in the upper right corner of the Admin Console screen.
2. Choose option 4. Device Console.
3. Execute the following command(s):
console> system system_modules sip unload