Ethereal-dev: Re: [ethereal-dev] New dissector question

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From: Guy Harris <guy@xxxxxxxxxx>
Date: Tue, 7 Dec 1999 16:40:26 -0800 (PST)
> For
> changes that I make to support protocol evolution, I could post the
> updated versions to my ftp site and inform someone of their availability.  
> (Would patches be preferred?)

Yes.

>   The protocol was designed with alignment problems in mind.  As long as
> the packet is aligned on a 32 bit boundary, everything should be
> fine.  (AFAIK the TCP/IP header is a factor of 4 bytes long.)

Yes, but there may be headers preceding the TCP/IP header - the Ethernet
header is 14 bytes long, and the FDDI header is a marvelously
pessimistic 13 bytes long.