Why "hostname" is not working in "from" directive in authorized_keys file?
Issue
- Hostname is not working in "from" directive in authorized_keys file for some ssh versions. Only ip address is working for "from" directive.
- After configuring hostname in "from" directive, getting following messages in
/var/log/secure
:
sshd[xxxxx]: Authentication tried for hostname with correct key but not from a permitted host (host=xx.xx.xx.xx, ip=xx1.xx.xx.xx).
sshd[xxxxx]: Connection closed by xx.xx.xx.xx port 4xxx2 [preauth]
Environment
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 6
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