On Wed, Aug 13, 2008 2:27 PM, "Dundas, Hope" <[EMAIL PROTECTED]> wrote:
We noticed intermittent "503 Service Unavailable" errors on our server
today, and then noticed these in the logs, and I wonder if they're
related?
[Wed Aug 13 14:10:46 2008] [error] mod_cosign: snet_starttls:
error:0D0C50A1:lib(13):func(197):reason(161)
From the OpenSSL source code:
lib(13) = ERR_LIB_ASN1
func(197) = ASN1_F_ASN1_ITEM_VERIFY
reason(161) = ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM
Did you recently replace or change the certificate used by cosign, or
change the CosignCrypto directive in your httpd configuration in any way?
Does the certificate that you are using with cosign verify? Check your
CosignCrypto directive to be sure you are verifying the correct certificate:
openssl verify -CApath /path/to/your/CA/directory -purpose ssl_client
/path/to/your/certificate/file.cert
Next, are you able to connect to the U-M weblogin servers using the
following command?
openssl s_client -connect weblogin.umich.edu:6663 -cert
/path/to/your/cosign/certificate/file.cert -key
/path/to/your/cosign/certificate/secret-key.key -CApath
/path/to/your/CA/directory -starttls smtp
If the above command fails, there will likely be a clue to the problem
in its output.
Have you recently upgraded your version of Apache HTTPD, or OpenSSL?
Is anyone aware of any Cosign outages/issues today?
This is a world-wide mailing list. There are no outages of the
production weblogin servers at the University of Michigan. Please use
[EMAIL PROTECTED], [EMAIL PROTECTED], or another U-M mail address for U-M
specific questions in the future.
Mark Montague
ITCS Web/Database Production Team
The University of Michigan
[EMAIL PROTECTED]
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