看板FB_security
標 題Re: FreeBSD Security Advisory FreeBSD-SA-14:08.tcp
發信站NCTU CS FreeBSD Server (Fri May 2 19:16:51 2014)
轉信站ptt!csnews.cs.nctu!news.cednctu!FreeBSD.cs.nctu!.POSTED!freebsd.org!ow
"Ronald F. Guilmette" <
[email protected]> writes:
> I also have a question....
>
> If one manages a system where (a) all local user accounts are completely
> and 100% trustworthy and where (b) one has in place ipfw rules which reject
> all incoming packet *fragments* on all outward-facing interfaces, then is
> this security problem (relating to the reassembly queue) an issue at all
> for said system? Or is it rather a non-event in such contexts?
That should keep you safe, but it will break some legitimate
connections, not to mention MTU discovery.
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