Hi Andreas,

Le Thursday 27 May 2010 12:22:37, vous avez écrit :
> Thanks for reporting this bug and helping to find and understand it!

Thank you for considering it!

> Could you provide your /etc/ssh/ssh_config and ~/.ssh/config file that we
> could try to reproduce it on our system.

My system config file is the standard Debian one. Except for the commented 
lines, the configuration is this one:

Host *
    SendEnv LANG LC_*
    HashKnownHosts yes
    GSSAPIAuthentication yes
    GSSAPIDelegateCredentials no

My local (in home dir) configuration file only overrides HashKnownHosts to no 
and sets some host specific stuff like X11 forwarding, usernames or full 
hostnames (for aliases).

> If possible it would be nice to have a strace log. 

I'm not at ease posting some security related traces on a public place (but 
I'm surely over paranoid). If we can't find the problem, I'll send one to you 
directly.

Nevertheless, I've done some more testing tonight and it was weird because 
sometimes the known_hosts file is found, sometimes not; sometimes the identity 
file is found, sometimes not ("sometimes" a very helpful word indeed).

I've manage to catch both case on log and when it fails, I have :

  access("SSH_DIR/id_rsa", R_OK) = -1 ENOENT (No such file or directory)

when it succeeds :

  access("/home/yannick/.ssh/id_rsa", R_OK) = 0

I've got an host to which connection to always succeed (an old WRT54G with 
OpenWRT firmware). If you want, I'll can try to compare connection to this 
working host with connection to (intermittently) not working ones.

Sincerely,

Yannick

PS: I've got the same problem at work on Fedora 12, so it's not Debian 
related.



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