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Date: Mon, 06 Mar 2006 10:12:26 -0500
From: Chuck Swiger <cswiger@mac.com>
Organization: The Courts of Chaos
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To: kamal kc <kamal_ckk@yahoo.com>
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Cc: freebsd <freebsd-net@freebsd.org>
Subject: Re: which protocols use ip options ?
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kamal kc wrote:
> i found that igmp, rsvp uses ip options.
> which other protocols use the ip options ..
> 
> protocols between 0 to 60 (ip protocol number)
> would be fine to know about.
> 
> any pointers would be highly valuable to me.

Anything which is layered on top of IP could use IP options, this includes
everything going over TCP and UDP, along with the less common protocols you'd
mentioned above.  Not many things do, however.

-- 
-Chuck