[ale] md5sum weirdness on firefox -- SOLVED

[Dow_Hurst]

Joe,
I have a couple of easy questions for you:

What is your router/OS combination and what are the settings you have that create this problem?  I'm curious so I don't duplicate this problem.  It sounds to me like the "gaming mode" mentioned should only apply to packets that come from a game server so maybe your ruleset needs to be tweaked to a finer degree.  That would keep you from having this puzzle happen again.  You could then download the original file and see if you don't get the problem.  Your NAT rules for gaming mode would not apply except to the specific sites you set up in the ruleset.
Thanks,
Dow


-----Original Message-----
>From: Joe Bayes <jbayes at spoo.mminternet.com>
>Sent: Mar 28, 2007 9:01 PM
>To: Atlanta Linux Enthusiasts <ale at ale.org>
>Subject: Re: [ale] md5sum weirdness on firefox -- SOLVED
>
>Geoffrey typeth:
>
>>I don't believe that the final rpm downloaded contains any reference any 
>>ip address.
>
>No, you are correct, neither the original file nor the munged file
>contain IP addresses per se. But they do contain a whole bunch of
>32-bit numbers. And one of those 32-bit numbers in the original file
>just happened to be 0xD856C325. (If the data is random, this will
>occur once in every 4G transferred). And 0xD856C325 just happens to be
>the IP address of the router in question. So, since the router can't
>distinguish between the IP address 0xD856C325 and anything else that
>might look like 0xD856C325, it goes ahead and assumes that it's an IP
>address and munges the data.
>
>Was that more clear? Or did I misunderstand your post? 
>
>Joe
>--
>Joe Bayes -- jbayes at spoo.mminternet.com
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