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Block unauthorized ssh login attempts (attacks)

My friends and I am working on a hobby project and  we need a Git server, so I set up one on my MacBook Pro. We access the repository via SSH. However when I checked the ssh log I found someone trying to get ssh access to my machine by guessing usernames. The log looks as follows:

I first tried to use DenyHosts, however, there are still attempts from other IP addresses. Since there are three of us accessing the repository, I configured the hosts.allow and hosts.deny manually: deny all hosts other than the IP addresses I trust.

hosts.deny:

hosts.allow:

Now the log file should be quite…

Published in Miscellaneous

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