Hi, we use a Clientauth configuration for a location without problems for many months
Ubuntu 16.04.5 LTS
Apache 2.4.18-2ubuntu3.9
openssl 1.0.2g-1ubuntu4.13
Now we upgraded Apache to use HTTP2
Ubuntu 16.04.5 LTS
Apache 2.4.34-1
openssl 1.1.0h-2.0
Apache Conf:
SSLEngine on
SSLVerifyDepth 2
SSLProxyEngine on
SSLProtocol -All +TLSv1.2 +TLSv1.1
SSLCipherSuite
HIGH:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:!EXPORT:!EXP:!DES:!RC4:!3DES:!MD5:!PSK:!MEDIUM:!LOW:!SRP:!DSS
SSLCertificateFile /etc/apache2/ssl/blablub.pem
SSLCertificateKeyFile /etc/apache2/ssl/blablub.key
SSLCertificateChainFile /etc/apache2/ssl/blablub.ca_certificates.pem
SSLCACertificateFile /etc/apache2/ssl/ProductiveCAClientAuth.pem
....other stuff without ClientAuth...
<Location /test>
SSLVerifyClient require
SSLVerifyDepth 2
ProxyPass https://server-1/test
ProxyPassReverse https://server-1/testg
</Location>
Particularity:
The client certificates are issued by an intermediate CA which is itself
PSS Signed.
The root CA and the actual client certificates are signed normally SHA256.
Do not ask why, that's how it was built in the past and has worked so far
Error:
[Tue Sep 25 07:18:27.723798 2018] [ssl:debug] [pid 49219:tid
140033499584256] ssl_engine_kernel.c(757): [client 89.187.203.114:61120]
AH02255: Changed client verification type will force renegotiation
[Tue Sep 25 07:18:27.723803 2018] [ssl:info] [pid 49219:tid
140033499584256] [client 89.187.203.114:61120] AH02221: Requesting
connection re-negotiation
[Tue Sep 25 07:18:27.723827 2018] [ssl:debug] [pid 49219:tid
140033499584256] ssl_engine_kernel.c(987): [client 89.187.203.114:61120]
AH02260: Performing full renegotiation: complete handshake protocol
(client does support secu
re renegotiation)
[Tue Sep 25 07:18:27.723867 2018] [ssl:info] [pid 49219:tid
140033499584256] [client 89.187.203.114:61120] AH02226: Awaiting
re-negotiation handshake
[Tue Sep 25 07:18:33.176966 2018] [ssl:error] [pid 49219:tid
140033499584256] [client 89.187.203.114:61120] AH02261: Re-negotiation
handshake failed
[Tue Sep 25 07:18:33.176987 2018] [ssl:error] [pid 49219:tid
140033499584256] SSL Library Error: error:1417C086:SSL
routines:tls_process_client_certificate:certificate verify failed
[Tue Sep 25 07:18:33.177005 2018] [core:trace3] [pid 49219:tid
140033499584256] request.c(119): [client 89.187.203.114:61120] auth phase
'check access (with Satisfy All)' gave status 403: /test/
[Tue Sep 25 07:18:33.177032 2018] [headers:debug] [pid 49219:tid
140033499584256] mod_headers.c(900): AH01503: headers:
ap_headers_error_filter()
[Tue Sep 25 07:18:33.177057 2018] [http:trace3] [pid 49219:tid
140033499584256] http_filters.c(1128): [client 89.187.203.114:61120]
Response sent with status 403, headers:
[Tue Sep 25 07:18:33.177062 2018] [http:trace5] [pid 49219:tid
140033499584256] http_filters.c(1135): [client 89.187.203.114:61120] Date:
Tue, 25 Sep 2018 05:18:27 GMT
[Tue Sep 25 07:18:33.177066 2018] [http:trace5] [pid 49219:tid
140033499584256] http_filters.c(1138): [client 89.187.203.114:61120]
Server: Apache/2.4.34 (Ubuntu)
[Tue Sep 25 07:18:33.177071 2018] [http:trace4] [pid 49219:tid
140033499584256] http_filters.c(957): [client 89.187.203.114:61120]
X-Frame-Options: SAMEORIGIN
[Tue Sep 25 07:18:33.177075 2018] [http:trace4] [pid 49219:tid
140033499584256] http_filters.c(957): [client 89.187.203.114:61120]
Content-Length: 320
[Tue Sep 25 07:18:33.177080 2018] [http:trace4] [pid 49219:tid
140033499584256] http_filters.c(957): [client 89.187.203.114:61120]
Connection: close
[Tue Sep 25 07:18:33.177084 2018] [http:trace4] [pid 49219:tid
140033499584256] http_filters.c(957): [client 89.187.203.114:61120]
Content-Type: text/html; charset=iso-8859-1
We tested it all again with client certificates issued by a SHA256
intermediat CA. This works without problems.
As I suspect that by updating Apache or openssl there is now a problem
with PSS signed issuers.
Someone has an idea what you can do to make it fly again?
cheers
Frank
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