SSHGuard

lastmod 2022-12-09created 2022-12-091 edits

Brute-force attack defense tool

Features

• Defends against brute-force attacks on SSH and various other services
  • Collects and monitors system logs : syslog, cockpit, macOS log,..
  • Detects attacks on various services : OpenSSH, Sendmail, ftpd, Dovecot,..
  • Blocks via firewalls : ipfw, iptables, pf, FirewallD,..
• Supports automatic blacklisting and fine-grained whitelisting
• IPv6 support
• Monitors multiple log files simultaneously. Recognizes several logging formats
• Small and portable (~3000 LOC of C code and Bourne Shell)

See also

• Brute-force

Favorite site

• SSHGuard web site