Re: [Savannah-hackers-public] Fwd: Mirmon can't reach the team-cymru mirror by rsync

[Thérèse Godefroy]

Le 16/01/2019 à 00:05, Karl Berry a écrit :
>     ~ $ time ssh address@hidden true
>     real      2m8.751s
> 
> traceroute may be more diagnostic than the raw time, to see if the
> problem is in the routing in between. Or ssh -vvv if it's the ssh
> negotiation that's taking the two minutes.
> 
> I also wonder if ssh on fencepost is trying to do reverse dns on your
> host and that is inducing the delay. It's a common reason for such delays.
> 
> I also wonder about forcing a connection over IPv4 to see if that makes
> a difference, e.g., maybe it's trying to negotiate over v6 that is
> taking forever. Another common culprit. --good luck, karl.
> 

The culprit is IPv6:

~ $ ssh -vvv address@hidden
OpenSSH_7.2p2 Trisquel_GNU/Linux_8.0-1, OpenSSL 1.0.2g  1 Mar 2016
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug2: resolving "fencepost.gnu.org" port 22
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to fencepost.gnu.org [2001:470:142:3::e] port 22.
debug1: connect to address 2001:470:142:3::e port 22: Connection timed out
debug1: Connecting to fencepost.gnu.org [209.51.188.10] port 22.
debug1: Connection established.
debug1: identity file /home/therese/.ssh/id_rsa type 1
debug1: key_load_public: No such file or directory
debug1: identity file /home/therese/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
[...]

Thérèse