Detrimental Ports?

Jul 12, 2006 5 Replies

In the appendix of "Hack Attacks Revealed" there is a table listing "Detrimental Ports and Services" It's basically a list of ports that should not be permitted. However, it's not very current.



Is there a current list somewhere?



Thanks!



Wrong approach. Block everything and allow only what you need.

cu

59cobalt

Yeah, there's an implicit deny all at the end of the access list.

However, I want to know if there are any new exploits for the ports that I need to permit.

Make it explicit!

That entirely depends on your server applications and the protocols. New design-based exploits for network protocols or services are rare.

Is there a current list somewhere?

Yes, Block Everything You Do Not Use. Casey

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