CSF

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CSF (Config Server Firewall) is an iptables management script and logging daemon.


Command Line Options

csf -h - get help for CSF command line options

csf -g IP_Address - Look (grep) for an IP address to see if it's blocked

csf -a IP_Address - permanently allows the specified IP address

csf -d IP_Address "Your comment goes here" - Blocks the specified IP address, comment tells why

csf -dr IP_Address - Removes a blocked IP from being blocked

csf -ra - Restart CSF and LFD (leave off the a to restart just CSF)


Configuration Files

CSF and LFD settings are stored in:
/etc/csf

csf.conf - main CSF configuration file


Logs

See Log Locations


References

  1. Linux FAQ Manage CSF