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I am getting an invalid certificate error

Donald Schlicht

I recently installed Sophos XG firewall on my home system. When I enable a web policy in the predefined default network rule, I get invalid certificate errors when browseing certain websites, for example Facebook. FB will not allow any access. I have gone into System-->Certificates and there is a certificate called Appliancecertificate. When I click the manage icon, it goes and gets a new copy without error. However that does not fix the problem. 

Importing a certificate into my Windows machine will not work, because my wife also accesses FB using her cell phone.



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  • 0 in reply to rfcat_vk

    The problem is there s only one certificate and that is the default certificate which is not downloadable. My installation does not have a certificate named SecurityAppliance_SSL_CA. This perhaps the problem.

    I am also trying to get a certificate from an organization called CAcert.org. The problem I am running into there is that I do not have a registered domain name. One thing I have not tried is to use the LAN IP address for the common name. I will try that this evening.

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