blackhole in PF possible?

Xin LI delphij at delphij.net
Sun May 25 08:49:36 UTC 2008


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Ighighi Ighighi wrote:
| blackhole(4) is hardly a feature if it applies to loopback interfaces
| as well.  Its intended functionality
| ("to slow down anyone who is port scanning a system", according to the
| manpage) also slows down
| internal services because those TCP RST's and ICMP Port Unreachable's
| are never seen.
|
| Is there a way to get the same functionality in PF so I can restrict
| those packets to external interfaces ?
|
| Thanks in advance,

skip on lo0?

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Xin LI <delphij at delphij.net>	http://www.delphij.net/
FreeBSD - The Power to Serve!
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