Problems with Google/GMail
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I just set up a new install of pfsense 2.4.4_2 and I'm having an intermittent issue with accessing google.com and mail.google.com. Sometimes it loads just fine and sometimes I get an error page saying to try enabling different TLS versions. TLS is already enabled. (this is the same error page I usually get when a page is blocked)
I think this could be an issue with squid/squidguard, since that's the only thing I really have set up on it at the moment. but I just don't know what it could be. I have it set up in transparent for http and https. And it seems to be working fine for everything but google. I've tried adding all the google related domains I see in lightsquid reports to the whitelis to rule out that they are getting blocked, but it doesn't seem to change anything.
I followed this guide to set this up, but skipped over all the parts about setting up the safe search host overides because that isn't something I need to do.
https://openschoolsolutions.org/pfsense-web-filter-filter-https-squidguard/Before I had actually put this in place where about 20 people are using it, I set it up in a small test and it worked just fine, and I still have the test setup running and have made sure all the settings are the same, and the test is working just fine.
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Commonly that's caused by Squid and clients resolving URLs to different IPs because they are using different DNS servers.
https://docs.netgate.com/pfsense/en/latest/cache-proxy/squid-troubleshooting.html?highlight=squid#sites-not-loading-with-splice-error-409-in-access-log
Steve
