ConfigServer Community Forum

One of our customers is having issues with a remote MX, so my plan was to block it on CSF, but every once in a while it gets cleared out due to the IP limit of the deny table.

How can I block that IP forever?

Also, is there a way to block domains using dyndns instead of just allowing them thru?

You can add "do not delete" within the comment field in the csf.deny file if you don't want to rotate the IP.

Like this:
Or when you block the IP using cli :