Enforce SSH Login Delay

From: Buck Turgidson (jc_va_at_hotmail.com)
Date: 12/10/04 

Date: Fri, 10 Dec 2004 14:01:03 -0500

I got hit with someone trying to access my server running ssh. It does not
appear that ssh recognizes the delay defined on /etc/login.defs. Is there
any way to throttle back ssh login attempts, so maybe this guy in China will
get bored and go away?

Dec 10 13:18:26 turf sshd[5796]: Failed password for root from
::ffff:211.171.191.106 port 11328 ssh2
Dec 10 13:18:28 turf sshd[5798]: Failed password for root from
::ffff:211.171.191.106 port 11366 ssh2
Dec 10 13:18:30 turf sshd[5800]: Failed password for root from
::ffff:211.171.191.106 port 11405 ssh2
Dec 10 13:18:32 turf sshd[5802]: Failed password for root from
::ffff:211.171.191.106 port 11444 ssh2
Dec 10 13:18:34 turf sshd[5806]: Failed password for root from
::ffff:211.171.191.106 port 11476 ssh2
Dec 10 13:18:37 turf sshd[5808]: Failed password for root from
::ffff:211.171.191.106 port 11515 ssh2
Dec 10 13:18:39 turf sshd[5811]: Failed password for root from
::ffff:211.171.191.106 port 11555 ssh2
Dec 10 13:18:41 turf sshd[5813]: Failed password for root from
::ffff:211.171.191.106 port 11592 ssh2
Dec 10 13:18:43 turf sshd[5816]: Failed password for root from
::ffff:211.171.191.106 port 11629 ssh2
Dec 10 13:18:45 turf sshd[5818]: Failed password for root from
::ffff:211.171.191.106 port 11669 ssh2
Dec 10 13:18:47 turf sshd[5820]: Failed password for root from
::ffff:211.171.191.106 port 11707 ssh2
Dec 10 13:18:49 turf sshd[5822]: Failed password for root from
::ffff:211.171.191.106 port 11742 ssh2
Dec 10 13:18:52 turf sshd[5824]: Failed password for root from
::ffff:211.171.191.106 port 11779 ssh2

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