ipv6 on nginx.org

[Lukas Tribus]

> Thank you so far!
>
>
> Looks like a problem in our network at work:
>
> [dkraemer at castleblack:~/] echo -ne "HEAD / HTTP/1.1\nHost:
> nginx.org\n\n" |nc -6 nginx.org 80
> HTTP/1.1 200 OK
> Server: nginx/1.7.7
> Date: Tue, 20 Oct 2015 11:06:02 GMT
> Content-Type: text/html; charset=utf-8
> Content-Length: 7658
> Last-Modified: Tue, 22 Sep 2015 15:20:08 GMT
> Connection: keep-alive
> Keep-Alive: timeout=15
> ETag: "560171a8-1dea"
> Accept-Ranges: bytes
>
> [dkraemer at castleblack:~/] echo -ne "GET / HTTP/1.1\nHost: nginx.org\n\n"
> |nc -6 -i 10 nginx.org 80
> Ncat: Idle timeout expired (10000 ms).

Looks like an MTU issue then (small response OK, big responses timeout).

Check if you correctly clamp MSS on IPv6.


Lukas