port stealth mode?
Chris Buechler
freebsd at chrisbuechler.com
Wed Aug 20 15:06:57 UTC 2008
Leslie Jensen wrote:
> Hello
>
> I've done some testing with Steve Gibsons "Shields up"
>
> https://www.grc.com/x/ne.dll?bh0bkyd2
>
> These tests lists the ports as closed but visible.
>
> Instead the site suggest that one uses stealth so that the ports are
> not visible from the Internet.
>
> Is there a way to achieve this with PF?
That's what pf does by default if you don't specify "return",
"return-rst" or "return-icmp" in your block rules.
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