[NTLUG:Discuss] Stupid PuTTY vs. ssh question

[Chris Cox]

Cameron, Thomas wrote:
> All -
> 
> We have set up a legal warning banner for our servers.  I set "Banner /etc/issue.net" in /etc/ssh/sshd_config, and if I ssh from one Linux host to another I get the banner.  If I ssh using PuTTY I don't get the banner.  I've looked through the options in PuTTY and I can't see anything that looks like an "ignore banner" setting.
> 
> Am I smoking crack, or does PuTTY just ignore banners?

Yes... I think you are correct.

Preauthentication banners are NOT required to be supported
by any ssh client.  Just so happens that openssh clients
support it.