Problems with IP fragments

Lev Serebryakov lev at FreeBSD.org
Tue Feb 10 10:49:31 UTC 2015


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On 10.02.2015 00:21, Andre Albsmeier wrote:

> The ipfw man page says:
> 
> Usually a simple rule like:
> 
> # reassemble incoming fragments ipfw add reass all from any to any
> in
> 
> is all you need at the beginning of your ruleset.
> 
> However, I could never make this work. It eats all fragments but 
> the resulting final packet never makes it. I am back to
> 
> ipfw -q add 1 pass udp from any to $myip frag in recv $ifc
> 
> as I need it only for UDP. Frag reassembly in pf works well on the
> other hand...
reass works for me, but kills all IPv6 packets, so it should be "reass
ip4 from any to any in [recv $iface]"


- -- 
// Lev Serebryakov AKA Black Lion
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