How to disable Webserver Watchdog on SonicWall firewalls?

Description

This article explains the steps to disable the Webserver Watchdog process on the firewall via the CLI. 

The below listed commands should be used to arrest any reboot Loops on the firewall if observed after upgrading to 7.0.1-5095 or 7.0.1-5111

To access CLI on the firewall , please refer the following article: How can I login to the appliance using the Command Line Interface (CLI)? 

To access the firewall via SSH, please refer the following article: How can I enable SSH management access on the firewall


Cause

The WebServer Watchdog Process is used to detect and reboot the firewall's webserver container for debugging purposes. By default this setting should be disabled and only used under the direction of SonicWall Support.

Resolution

Login to CLI and use the following commands

conf t
diag advanced watchdog
no web-server-watchdog
commit
exit

image

NOTE: Post exit, the firewall will reboot once more to save the settings and then the reboot loop stops. 

An admin may also SSH into the firewall to run these commands. 

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