Can I disable IdentityFile?

[Christian Weisgerber]

M Rubon:

> I would like to ensure that I connect with mysever only using a
> specific agent and never an IdentityFile.  (It turns out that I had
> accidentally been authenticating using one of the implicit
> IdentifyFile locations in .ssh)
> 
> I want my imaginary ssh configuration to be the equivalent of
> host myserver
>     IdentityAgent /tmp/agentformyserver
>     IdentityFile never
> 
> I have tried setting an explicit "IdentityFile /dev/null" and
> "IdentityFile /tmp/id_rsa_IGNORED".  Ssh then ignores the
> IdentityAgent and fails because the IdentityFile is empty or
> rightfully not recognized by myserver.

Works for me.

lorvorc$ env | fgrep SSH
SSH_AUTH_SOCK=/tmp/ssh-Q9qqL3TskHmZ/agent.1504
SSH_AGENT_PID=1505
lorvorc$ unset SSH_AUTH_SOCK
lorvorc$ ssh -oIdentityFile=/dev/null -oIdentityAgent=/tmp/ssh-Q9qqL3TskHmZ/agent.1504 partoc
partoc$

-- 
Christian "naddy" Weisgerber                          naddy at mips.inka.de