Hi,
Claudinei Matos schrieb:
I have a lot of connection attempts in my ssh server. I've take a look at sshd_config man pages but I didn't found a way to deny the source ip of the attempts by 5 minutes (i.e.) if this ip can't login after 5 attempts (i.e.). Is there a way to do this?
You may want to try port knocking. The ssh port is blocked fully and you have to open it through sending a magic packet to a secret port and so for your IP the ssh port is going to be opened.
More infos can be obtained on http://www.portknocking.org/.
greetings
Tim
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