[Lula] md5sum weirdness on firefox -- SOLUTION

Joe Bayes jbayes at spoo.mminternet.com
Wed Mar 28 17:34:59 EDT 2007


Dan Kegel typeth:
>On 3/5/07, Joe Bayes <jbayes at spoo.mminternet.com> wrote:

>> >I think at this point I would start suspecting your network hardware.
>>
>> The only way I see that I could blame my network hardware would be if
>> the hardware were consistently performing some sort of transformation
>> on some sequence of bits that happens to exist in firefox-1.5.0.9-3,
>> and then ***reversing that transformation when the data leaves my
>> computer***.
>
>Right, or maybe you were smoking crack at some point during the whole
>exercize.

Actually, I wasn't smoking crack, but my router was. The problem was
exactly what I described above, fantastically unlikely as that may
seem. My router was substituting (the encoded representation of)
216.86.195.37 with (the encoded representation of) 192.168.0.2. 
firefox-1.5.0.9-3 just *happened to contain* the (encoded) bit-string
216.86.195.37, so it was getting munged on the way in, and un-munged
on the way out. 

The other part of my problem, that md5sum /usr/bin/md5sum was giving
the wrong checksum, had to do with a Fedora program called "prelink"
that modifies certain executables to make them load faster. No, I
wasn't rooted. 

Thanks to all for your help. 

Joe
--
Joe Bayes -- jbayes at spoo.mminternet.com



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