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How do you automatically block ip addresses of machines that tries to shh into your server?
Dear Experts,
How do you automatically block ip addresses of machines that tries to shh into your server (debian)?
Thank you :)
How do you automatically block ip addresses of machines that tries to shh into your server (debian)?
Thank you :)
Asked:
2
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2 Solutions
DenyHosts is a nice option. You may also wanna have something for brute force detection. BFD is a nice option for it:
http://rfxnetworks.com/bfd.php
http://rfxnetworks.com/bfd.php
fail2ban scans thro your log files and detects strange login behaviour : http://www.fail2ban.org/wiki/index.php/Main_Page
I use it to add DENY rules to iptables ( for 7 days )for IP's who try to log 3x into my server with failed attempts.
After 7 days fail2ban remove that firewall rule so the ip can try again. ( ofcourse it's up to you for how many days you choose to ban it )
It can also send you daily reports via email.
I use it to add DENY rules to iptables ( for 7 days )for IP's who try to log 3x into my server with failed attempts.
After 7 days fail2ban remove that firewall rule so the ip can try again. ( ofcourse it's up to you for how many days you choose to ban it )
It can also send you daily reports via email.
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