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ConfigServer Security & Firewall - blocking a range of !P addresses
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: ConfigServer Security & Firewall - blocking a range of !P addresses  ( 15828 )
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« : December 19, 2017, 06:26: PM »

If you need to whitelist or block a range of IP addresses using CSF, it can be done, but you need to use the CIDR format.

For example, to block 192.168.0.0 to 192.168.0.255 you would add 192.168.0.0/24 to the blocked list.

This tool is helpful too:

http://ip2cidr.com
 

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