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BlockSSHD 1.3

Company: kartar
Date Added: October 18, 2013  |  Visits: 583

BlockSSHD

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BlockSSHD is a Perl script based on BruteForceBlocker v1.2.3 that dynamically adds IPTables rules for Linux and pf firewall rules for BSD that block SSH brute force attacks. It can also detect ProFTPd login failures.<br /><br />BlockSSHD checks a log file you specify, for example /var/log/secure on a Red Hat, for SSH login failure messages. If it detects a failure message it records the source IP address and starts a counter. If messages continue to be detected from the same source IP address the counter is incremented for each message. When the counter reaches a user-specified threshold then the script will add a firewall rule blocking SSH connections from that source IP address. A user-specified time-out is also defined to trigger a reset of the counter. If the counter is incremented but has not yet reached the blocking threshold and a new login failure message arrives then BlockSSHD checks the time-out. If the last increment of the counter occurred earlier than the current time minus the time-out period then the counter is reset rather than incremented. The time-out defaults to 600 seconds (10 minutes).

Requirements: No special requirements
Platforms: *nix, Linux
Keyword: Blocking Connections Continue Counter Defaults Defined Detected Incremented Minus Minutes Period Reaches Reset Seconds Starts Threshold Timeout Trigger Userspecified
Users rating: 0/10

License: Freeware Size: 10.24 KB
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