md5 collision

karlseguin nginx-forum at nginx.us
Thu Sep 13 15:21:27 UTC 2012


Getting OpenSSL to handle md5 didn't change anything (wasn't able to get it
to compile with your specific flag, but I figured this was what you had
intended?)

Here's a sample from the debug log:

2012/09/13 15:15:16 [debug] 27367#0: *3441 http cache key:
"http://origin_magick"
2012/09/13 15:15:16 [debug] 27367#0: *3441 http cache key:
"/uploads/channel/thumbnail/5927/e74e97624ef652bc7a8419c02f8a7f92ae71d127.jpg"
2012/09/13 15:15:16 [debug] 27367#0: *3441 add cleanup: 000000000196CE68
2012/09/13 15:15:16 [debug] 27367#0: *3441 http file cache exists: 0 e:1
2012/09/13 15:15:16 [debug] 27367#0: *3441 cache file:
"/mnt/tmp/nginx/cache/90/6d/2b/422c25423170bac1c4e655ed9c2b6d90"
2012/09/13 15:15:16 [debug] 27367#0: *3441 add cleanup: 000000000196CEC0
2012/09/13 15:15:16 [debug] 27367#0: *3441 http file cache fd: 24
2012/09/13 15:15:16 [debug] 27367#0: *3441 read: 24, 000000000196D198, 285,
0
2012/09/13 15:15:16 [crit] 27367#0: *3441 cache file
"/mnt/tmp/nginx/cache/90/6d/2b/422c25423170bac1c4e655ed9c2b6d90" has md5
collision, client: 127.0.0.1, server: atlas-x.example.com, request: "GET
/uploads/channel/thumbnail/5927/e74e97624ef652bc7a8419c02f8a7f92ae71d127.jpg
HTTP/1.1", host: "127.0.0.1"
2012/09/13 15:15:16 [debug] 27367#0: *3441 http upstream cache: -5

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,230686,230703#msg-230703



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