看板FB_security
标 题Re: URGENT? (was: Re: NTP security hole CVE-2013-5211?)
发信站NCTU CS FreeBSD Server (Sat Mar 22 23:11:55 2014)
转信站ptt!csnews.cs.nctu!news.cednctu!FreeBSD.cs.nctu!.POSTED!freebsd.org!ow
On Sat, 22 Mar 2014 08:48:40 -0600
Brett Glass wrote:
> This is correct. And that's awkward, because you might not want all of
> these checks in one place. Also, if there are many dynamic rules this
> will slow traffic down quite a bit.
It should be the other way around. Once a flow has been learned it's
just a simple hash-table lookup once you hit the first stateful rule.
In pf most packets bypass the rules altogether.
_______________________________________________
[email protected] mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-security
To unsubscribe, send any mail to "
[email protected]"