Re: [cas-user] mod_auth_cas intermittent "authorization required error message

Thu, 12 Feb 2009 09:53:29 -0800 

Phil,
How does this Cache file gets created. Are they per user or per session? When someone clears the cache and authentication on the browser, does mod_auth_cas recreate these files. When mod_auth_cas cleans files, does mod_auth_cas deletes them or just keep it in the directory. I looked at bunch of file and it looks like they have the right information. 



Shadhin rahman wrote:

Phil,

   We are running apache 2.2.3 version.  Do you think updating to 
current version would solve the issue with mod_ssl timeout.  Please 
advise on this.  Thanks


Phil Ames wrote:

Hi,

From looking at the logs below, it looks like these files are being 
read:

a45be9e60ddd2855373497eae601c3b2
52b2d3e1e9502de31e61ccb29adb543c
a3564d2330d46a741910e94dc2cf6b2c
e441b44a480a09e389bc380d007342eb
bf0caf5f058c5941484792e664369f0d

at which point you receive the OpenSSL timeout error about 15 seconds
later.  Are there more files in the mod_auth_cas cache directory at
the time of this problem?  If so, it may be worthwhile to examine the
contents of the last file that was read to make sure it is not
malformed for any reason that could cause the module to get stuck
while it is reading it.

-Phil

On Sun, Feb 8, 2009 at 11:31 AM,  <[email protected]> wrote:
[...]

 

[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(863): [client
24.189.30.193] entering CASCleanCache(), referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(901): [client
24.189.30.193] Beginning cache clean, referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(919): [client

24.189.30.193] Processing cache file 
'a45be9e60ddd2855373497eae601c3b2',

referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(748): [client
24.189.30.193] entering readCASCacheFile(), referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(919): [client

24.189.30.193] Processing cache file 
'52b2d3e1e9502de31e61ccb29adb543c',

referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(748): [client
24.189.30.193] entering readCASCacheFile(), referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(919): [client

24.189.30.193] Processing cache file 
'a3564d2330d46a741910e94dc2cf6b2c',

referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(748): [client
24.189.30.193] entering readCASCacheFile(), referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(919): [client

24.189.30.193] Processing cache file 
'a58a01b992677d56570515e6bed80f4d',

referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(748): [client
24.189.30.193] entering readCASCacheFile(), referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(919): [client

24.189.30.193] Processing cache file 
'e441b44a480a09e389bc380d007342eb',

referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(748): [client
24.189.30.193] entering readCASCacheFile(), referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(919): [client

24.189.30.193] Processing cache file 
'bf0caf5f058c5941484792e664369f0d',

referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 


[Sun Feb 08 10:55:22 2009] [debug] mod_auth_cas.c(748): [client
24.189.30.193] entering readCASCacheFile(), referer:

https://wind.columbia.edu/login?destination=https%3a%2f%2fnagios.cc.columbia.edu%2fnagios%2findex.html 

[Sun Feb 08 10:55:22 2009] [info] [client 24.189.30.193] Connection 
to child

5 established (server nagios.cc.columbia.edu:443)

    

[...]


  






--
Shadhin Rahman
619 Watson Hall
Columbia University Information Technology-Network Infrastructure
Cell: 347-256-7869 Work: 212-851-7161
Email: [email protected]


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