Wireshark mailing list archives

Re: Encapsulated IP


From: Guy Harris <guy () alum mit edu>
Date: Mon, 20 Sep 2010 17:25:26 -0700


On Sep 20, 2010, at 5:16 PM, Ronald Howe wrote:

The col_set_writable does not seem to make a difference in the source and destination address 

Nope.  The columns are set based on the addresses set by SET_ADDRESS, and we do not allow a dissector to prevent 
another dissector from setting the address (if your dissector were to prevent the IP dissector from setting the 
address, that would violate assumptions, made by dissectors running atop IP and atop dissectors themselves running atop 
IP, that they can fetch the source and destination IP addresses for the IP datagram that directly contained them).
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