Hosts.deny

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Watch for dictionary attacks and put the perp in hosts.deny.

Files:

  • /home/rday/sec.pl
  • /home/rday/sec.config
  • /home/rday/bin/kill.pl
  • /etc/init.d/sec
  • /etc/rc2.d/S15sec

Manual invocation:

nohup /home/rday/sec.pl -conf=/home/rday/sec.config &

I must remember that Ubuntu has weird runlevels:

  • runlevel 1 = single user
  • runlevel 2 = multiuser with X