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Frequently Asked Question

FAQ / VPS


How to Block, Unblock, and Allow IP address in CSF through linux command line?

Follow the below steps to block, unblock and allow the IP command in CSF.

As the first step, you have to login to SSH using Terminal or Putty.



Once after login to SSH, use the below given commands accordingly to block, unblock and allow the IP address in CSF.

You can use IPAddress.Live to find your current IP address.

Block the IP Address:

Use the below given code to block the IP Address.

Block Command: csf -d (IP Address)

Note: In the above command, enter the IP address you wish to block without brackets.

Unblock the IP Address:

Use the below given code unblock the IP address.

Unblock Command: csf -dr (IP Address)

Note: In the above command, enter the IP address you wish to unblock without brackets.

Allow the IP address:

Use the below given code to allow the IP address.

Allow Command: csf -a (IP Address)

Note: In the above command, enter the IP address you wish to allow without brackets.


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