TCP options order changed in FreeBSD 7, incompatible with some routers

[Bjoern A. Zeeb]

On Mon, 17 Mar 2008, Mike Silbersack wrote:

>
> On Fri, 14 Mar 2008, Bjoern A. Zeeb wrote:
>
>>> But I think the "good" case should look like it did before, per POLA.
>> 
>> Ok, I am only printing it in case bad padding happens or one gave -v.
>> 
>> The new patch is here:
>> 
>> http://sources.zabbadoz.net/freebsd/patchset/20080314-01-tcpdump-print-tcp-option-padding.diff
>> 
>> -- 
>> Bjoern A. Zeeb                                 bzeeb at Zabbadoz dot NeT
>
> I still think the non-bad case should look exactly as it did before, no 
> matter what set of options was selected. :)
>
> I have not heard back from the tcpdump person that I contacted.  :(

Well I'd still like to be able to somehow see the padding if there is
any without having to look at the hex output of each packet.

But it's faily easy to get the behaviour you are requesting by simply
removing the vflag now.

-- 
Bjoern A. Zeeb                                 bzeeb at Zabbadoz dot NeT
Software is harder than hardware  so better get it right the first time.