SSH: Difference between revisions
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Anthoanthop (talk | contribs) No edit summary |
Anthoanthop (talk | contribs) No edit summary |
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| Line 5: | Line 5: | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
LogLevel VERBOSE | |||
/etc/init.d/ssh restart | |||
</syntaxhighlight> | </syntaxhighlight> | ||
| Line 18: | Line 15: | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
while read l; do | while read l; do | ||
[[ -n $l && ${l###} = $l ]] && ssh-keygen -l -f /dev/stdin <<<$l; | [[ -n $l && ${l###} = $l ]] && ssh-keygen -l -f /dev/stdin <<<$l; | ||
done < /root/.ssh/authorized_keys | done < /root/.ssh/authorized_keys | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Revision as of 01:34, 5 December 2015
Display key fingerprints informations in /var/log/auth.log
If you have multiple users connecting to a single SSH account (ie: root) and you want to identify clearly who's connecting:
Ensure this value in /etc/ssh/sshd_config:
LogLevel VERBOSE
/etc/init.d/ssh restart
Everytime a new SSH connexion is completed you could list the fingerprint used: tail -f /var/log/auth.log
To identify a fingerprint's owner by listing all entries in /root/.ssh/authorized_keys
while read l; do
[[ -n $l && ${l###} = $l ]] && ssh-keygen -l -f /dev/stdin <<<$l;
done < /root/.ssh/authorized_keys