On 15/03/12 13:11, Florian Pritz wrote:
Hi,
When using lynx to access https://portfolio.iguw.tuwien.ac.at I got an
ssl cert validation error. Since it worked fine in firefox/chromium I
tried to use openssl directly and got the following, but I fail to
understand what it means although I see that the chain looks strange
(0->1 i:TERENA is replaced by s:COMODO)
After a bit of googling I believe it's a problem on the server side, but
my knowledge of SSL/X.509 is very limited so if you have any pointers,
I'd be happy to hear them.
>
$ openssl s_client -connect portfolio.iguw.tuwien.ac.at:443
<snip>
Certificate chain
0 s:/C=AT/ST=Vienna/L=Vienna/O=Vienna University of Technology/OU=E187
Institute of Design and Assessment of Technology/CN=portfolio.iguw.tuwien.ac.at
i:/C=NL/O=TERENA/CN=TERENA SSL CA
1 s:/C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=COMODO
High-Assurance Secure Server CA
i:/C=SE/O=AddTrust AB/OU=AddTrust External TTP Network/CN=AddTrust External
CA Root
2 s:/C=SE/O=AddTrust AB/OU=AddTrust External TTP Network/CN=AddTrust External
CA Root
i:/C=SE/O=AddTrust AB/OU=AddTrust External TTP Network/CN=AddTrust External
CA Root
Yes, it's a problem on the server side. Since the server appears to be
Apache, the server admin needs to fix it by simply reconfiguring
"SSLCertificateChainFile" to point to a file that contains just the
following 2 CA Certificates...
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
<snip>
--
Rob Stradling
Senior Research & Development Scientist
COMODO - Creating Trust Online
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