Hi All, While I thank you for your answers, I'd just like to add that I'm no Linux beginner... I just downloaded yet another *2* DVD images directly from Linux : - one using http://mirrors.fedoraproject.org/mirrorlist?path=pub/fedora/linux/releases/9/Fedora/x86_64/iso/Fedora-9-x86_64-DVD.iso&country=FR&redirect=1 - the other one using the URL in my firefox download history : ftp://fr2.rpmfind.net//linux/fedora/releases/9/Fedora/x86_64/iso/Fedora-9-x86_64-DVD.iso And you know what ?? 1st DVD image is correct, and second *IS incorrect*. These files differ ! And based on the SHA1SUM, I'm tempted to say the rpmfind one is corrupted. I tried to see what are the binary differences between the 2 files : it looks like there is only one little difference : File that is OK : 1AC4 3670: 8D CF 19 56 0A C6 AF 36 80 B3 38 94 05 F8 34 04 1AC4 3680: BA 4F 07 4C 9A E1 D3 01 8D 77 AC 3A BE D9 7B B5 1AC4 3690: 07 56 0D 9A A0 4D 2A 1C 7A C3 BE 80 EA 77 1B 94 1AC4 36A0: BA A1 77 98 7E 32 84 99 BB 43 67 0E 6C D8 00 A3 Files that are *NOT* OK : Windows one : 1AC4 3670: 8D CF 19 56 0A C6 AF 36 80 B3 38 94 05 F8 34 05 1AC4 3680: 3A 4F 5F 4C 82 E1 AA 81 85 77 AD F2 BC D7 7B 99 1AC4 3690: 07 51 ED 98 B8 4F 48 1C 8E 43 81 80 EA 77 1B 94 1AC4 36A0: BA A1 77 98 7E 32 14 99 BB 43 67 0E 6C D8 00 A3 Linux one : 1AC4 3670: 8D CF 19 56 0A C6 AF 36 80 B3 38 94 05 F8 34 04 1AC4 3680: BA 4F 07 4C 9A E1 D3 01 8D 77 AC 3A BE D9 7B B5 1AC4 3690: 07 56 0D 9A A0 4D 2A 1C 7A C3 BE 80 EA 77 1B 94 1AC4 36A0: BA A1 77 98 7E 32 84 99 BB 43 67 0E 6C D8 00 A3 That's the only difference vbindiff could find... and as you can see, 2 different differences are at the same address. Now comes the warning and the question: is this a hack ??? There's no more windows/cygwin question here... Is there any fedora security guy who could assure me ISOs were not modified (and who could explain those differences) ? Is there another (security ?) list that should be contacted regarding this subject ? Thanks -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
