Even when explicitly setting the socket option IPV6_V6ONLY to 0 (man 7 ipv6) - and thus ignoring ´cat /proc/sys/net/ipv6/bindv6only´ this doesn't work.
> While looking into this, I found that, when given ::1, nc(1) > explicitly listens to both ::1 and ::ffff:127.0.0.1. The behavior here is exactly the opposite. Perhaps you saw this with an older/buggy kernel or netcat release? # terminal 1 > lukas@ubuntuvm:~$ nc -vv -l ::1 8080 > Connection from 0.0.0.0 port 8080 [tcp/http-alt] accepted > > asd > lukas@ubuntuvm:~$ # terminal 2 > lukas@ubuntuvm:~$ sudo netstat -tulpen | grep nc > tcp6 0 0 ::1:8080 :::* LISTEN > 1000 19801 9002/nc > lukas@ubuntuvm:~$ > lukas@ubuntuvm:~$ telnet 127.0.0.1 8080 > Trying 127.0.0.1... > telnet: Unable to connect to remote host: Connection refused > lukas@ubuntuvm:~$ telnet ::1 8080 > Trying ::1... > Connected to ::1. > Escape character is '^]'. > > asd > ^] > telnet> quit > Connection closed. > lukas@ubuntuvm:~$ Regards, Lukas _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx
