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If denying SSH isn't an option, you could try PortKnocking. It's not secure in itself, but it's useful if you're wanting to dynamically allow IPTables access to
by jdlawrie 16y ago
If denying SSH isn't an option, you could try PortKnocking. It's not secure in itself, but it's useful if you're wanting to dynamically allow IPTables access to SSH. I knocked (no pun intended) up a quick Perl script to implement this on Redhat based systems: http://jdlawrie.co.uk/scripts/PortKnocker.txt http://jdlawrie.co.uk/scripts/PortKnocker.txt