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Re: Connection timeout on SSL with shared hosting

August 25, 2020 05:25AM
Thanks so much, Francis Daly! This is a huge help in isolating the problem.

Based on the nginx access log, IPv6 requests to port 443 are getting to nginx but IPv4 requests to port 443 are not. But they are getting to tcpdump. All I see there is a bunch of packets with the tcpflag [S]. I take it this means the handshake is not completing.

It was easy to confirm this by turning off IPv6 in my browser, at which point https stopped resolving for the site in the browser but I could see the packets coming in on tcpdump.

So presumably some sort of firewall on the local server machine--probably one I didn't configure or know about! I'll try to figure out how to find that blockage.

In any case, apparently not an nginx issue, as you rightly perceived.

Thanks again for the help!
Nathan
Subject Author Posted

Connection timeout on SSL with shared hosting

nathanpgibson August 13, 2020 03:04PM

Re: Connection timeout on SSL with shared hosting

Thomas Ward August 13, 2020 03:34PM

Re: Connection timeout on SSL with shared hosting

nathanpgibson August 13, 2020 04:18PM

Re: Connection timeout on SSL with shared hosting

nathanpgibson August 24, 2020 07:35AM

Re: Connection timeout on SSL with shared hosting

Francis Daly August 24, 2020 09:04AM

Re: Connection timeout on SSL with shared hosting

nathanpgibson August 25, 2020 05:25AM

Re: Connection timeout on SSL with shared hosting

nathanpgibson August 25, 2020 07:49AM

Re: Connection timeout on SSL with shared hosting

Francis Daly August 26, 2020 05:12AM

Re: Connection timeout on SSL with shared hosting

nathanpgibson September 01, 2020 09:34AM



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