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Additional chapter suggestion for Sophos XG Firewall: WAF troubleshooting KB 124574 - 502 page - server with invalid response

Arno van der Veen - IT's Secured

Dear Community/Sophos KB maintainers,

 

I would like to suggest Scenario 6:

502 page - server sent invalid response by using XG WAF

first double check all settings @ XG.

Then check ssl v2 & ssl v3 settings @ server. these should be off.

If not switched off, please do so, restart your apache/iis/server and check again. 

Most likely problem is solved.



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