UDP Packet reassembly

Mark Andrews marka at isc.org
Sun Jul 31 03:37:49 UTC 2011

In message <4E345767.5070408 at earthlink.net>, Stephen Clark writes:
> Hello List,
> Didn't see this show up in the mailing list so I am resending.
> Could someone enlighten me as to when FreeBSD 6.3 does UDP packet reassembly?
> I am having a problem where I am getting a fragmented udp packet (2 pieces) 
> everthing is
> fine if I get the first frag first. but if the second frag comes first then b
> oth 
> fragments get dropped.
> I am using ipfilter and a bimap to redirect these packets to a host inside of
> the FreeBSD box,
> so I suspicion it is ipfilter causing the drops.
> I know, I know 6.3 is ancient history, but any insight would be appreciated.

Know issue, http://www.FreeBSD.org/cgi/query-pr.cgi?pr=kern/82806

> Thank,
> Steve
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org

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