Wireshark-bugs: [Wireshark-bugs] [Bug 4485] UDP checksum validation does not function

Date: Sat, 13 Feb 2010 02:25:28 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4485

--- Comment #3 from Jaap Keuter <jaap.keuter@xxxxxxxxx> 2010-02-13 11:25:26 CET ---
(In reply to comment #2)
> I am missing a very important concept - the checksum is calculated when tshark
> loads the data, not during capturing.

Loading capture data, that is the essence of Wireshark. Get the data from the
network as-is in a file and analyze that. Being able to capture from the
program is just an added bonus.

> To add to the mix, I just recently upgraded from 0.99 to 1.2.5.  I believe it
> used to validate udp checksum when displaying.

It does, didn't I show you that?

> I assume adding "udp.check_checksum: TRUE" into a preference file will save me
> from having to type this option every time I want to display a frame?

Tshark uses the Wireshark preferences file, which contains such entry.

-- 
Configure bugmail: https://bugs.wireshark.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.