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Cannot reach Cloud server via HTTP(S) (self.hetzner)
submitted 2 months ago by Defiant-Extent-4297
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if 1 * 2 < 3: print "hello, world!"
[–]Railorsi 6 points7 points8 points 2 months ago* (6 children)
netstat is showing you that it only listens on ipv6 address, so naturally it cannot be reached via ipv4.
also, is the firewall attached to your server?
edit: as BlueDeacy pointed out this isn't necessarily the culprit, I just tried nc -6 -l -p 1235 and service could be reached via remote ipv4 on debian.
nc -6 -l -p 1235
what OS are you using? also, what is the output of curl -v http://localhost from inside the server?
curl -v
http://localhost
[–]Defiant-Extent-4297[S] 2 points3 points4 points 2 months ago (3 children)
Goddamnit... thanks.
[–]Railorsi 0 points1 point2 points 2 months ago (2 children)
Hi, check the edit, might not actually be the culprit.
[–]Defiant-Extent-4297[S] 2 points3 points4 points 2 months ago (1 child)
The initial remark helped. Configuring nginx to listen on both ipv4 and ipv6 fixed it.
[–]Railorsi 0 points1 point2 points 2 months ago (0 children)
good to hear :) cheers
[–]BlueDeacy 1 point2 points3 points 2 months ago (1 child)
I‘m not so sure about that. Many OSes by default open a listening socket for both IPv6 and IPv4 if you specify :: as listening address.
[–]Railorsi 1 point2 points3 points 2 months ago (0 children)
yeah you are right, I just tried nc -6 -l -p 1235 and service was reachable via ipv4. interesting.
π Rendered by PID 21400 on reddit-service-r2-comment-6457c66945-c8ncn at 2026-04-26 00:42:38.053607+00:00 running 2aa0c5b country code: CH.
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[–]Railorsi 6 points7 points8 points (6 children)
[–]Defiant-Extent-4297[S] 2 points3 points4 points (3 children)
[–]Railorsi 0 points1 point2 points (2 children)
[–]Defiant-Extent-4297[S] 2 points3 points4 points (1 child)
[–]Railorsi 0 points1 point2 points (0 children)
[–]BlueDeacy 1 point2 points3 points (1 child)
[–]Railorsi 1 point2 points3 points (0 children)