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Other Options?
I have a 867mhz laptop, so when people are hacking at the door of my sshd it really grinds my CPU, leading to heat and eventually the fan turning on, leading to me having to disable sshd for some amount of time to stop the attack. There has got to be a better way...
Other Options?
I have not tried this personally, but you could look into changing your MaxStartups value in the sshd_config file on your machine. Do a 'man sshd_config' and look for that parameter.
What process is signaling this?
Which process is doing the ssh stuff? In other words, how do I see it when people are pounching at my door? I often have the processes 'sh', 'pmTool', 'kerneltask' taking up a lot of cycles (10% to 20%), I attribute some of these to Matlab, which might use these processes, or VirtualPC as well.
Monitoring and Delays
I've actually never paid attention to what process is doing the authentication, and frankly I'm not too sure about OS X's `top` binary, but I keep an eye on my network meter for systematic looking patterns and my CPU meter for consistent CPU usage when my system should be idling. If something looks fishy I `tail -f /var/log/system.log`. (That's also handy when used with /var/log/httpd/access_log when people are hacking your webserver.)
What process is signaling this?
For every ssh connection, there should be a correspondingly forked sshd instance to handle it. So the list in top or ps, look for the sshd instances.
Other Options? DenyHosts
http://denyhosts.sourceforge.net/ |
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