Hi, I need to filter access so I apply authentication method. Can I do it by another way ? Francois-xavier De : Igor Cicimov [mailto:icicimov@xxxxxxxxx]
Envoyé : mercredi 15 février 2012 04:21
À : users@xxxxxxxxxxxxxxxx
Objet : Re: how to setup authentication on webserver behind a reverse proxy with x509 certificate Why do you authenticate the user twice? On Wed, Feb 15, 2012 at 12:31 AM, <francois.thoret@xxxxxxxxxx> wrote: Hi,
I would like to do this architecture:
- a reverse proxy (based on apache 2.2.10-2.24.5) that do client
authentication with x509 certificate. The user access is validated by an
ldap server.
- a web server (based on apache 2.2.10-2.24.5) that run mod_dav with
specific user access filtering
I setup the reverse proxy with this configuration :
<Proxy balancer://webdavcluster>
BalancerMember http://192.168.129.18
BalancerMember http://192.168.129.19
</Proxy>
<VirtualHost _default_:443>
ErrorLog /var/log/apache2/error_log
TransferLog /var/log/apache2/access_log
CustomLog /var/log/apache2/ssl_request_log ssl_combined
SSLEngine On
SSLProxyEngine On
SSLCipherSuite
ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL
SSLCertificateFile /etc/apache2/ssl.crt/server.crt
SSLCertificateKeyFile /etc/apache2/ssl.key/server.key
SSLCACertificateFile
/etc/apache2/ssl.crt/client-accepted-ca-chain.crt
SSLVerifyClient require
SSLVerifyDepth 3
SSLOptions +FakeBasicAuth +ExportCertData
SetEnvIf User-Agent ".*MSIE.*" \
nokeepalive ssl-unclean-shutdown \
downgrade-1.0 force-response-1.0
ServerName webdav
ServerAlias webdav
<Location />
AuthType Basic
AuthName "Intranet"
AuthBasicProvider ldap
AuthzLDAPAuthoritative off
AuthLDAPURL
"ldap://192.168.129.19:389/ou=People,dc=XXX,dc=X,dc=X,dc=X?uid"
AuthLDAPBindDN "cn=X,ou=Technical,dc=X,dc=X,dc=X,dc=X"
AuthLDAPBindPassword X
Require valid-user
</location>
ProxyPass /balancer-manager !
ProxyPass / balancer://webdavcluster/
ProxyPassReverse / balancer://webdavcluster/
</VirtualHost>
On the web server, I configure :
<Directory "/srv/www/htdocs">
AllowOverride None
Order allow,deny
Allow from all
Options Indexes FollowSymLinks
AuthName "WEBDav server"
AuthType Basic
AuthBasicProvider ldap
AuthzLDAPAuthoritative on
AuthLDAPURL
"ldap://192.168.129.19:389/ou=People,dc=XXX,dc=X,dc=X,dc=X?uid"
AuthLDAPBindDN "cn=X,ou=Technical,dc=X,dc=X,dc=X,dc=X"
AuthLDAPBindPassword X
require valid-user
DAV On
</Directory>
On the webserver logs, I found this message : [Tue Feb 14 14:00:42 2012]
[error] [client 192.168.129.17] Encountered FakeBasicAuth spoof:
/XXXXXXXX
It looks like error due to FakeBasicAuth option used on the reverse
proxy but when I removed it on the reverse proxy, the reverse proxy
doesn't authenticate user with the ldap.
So my question is how to do user validation on the web server based on
information send by the reverse proxy or how to filter access to
specific directory ?
Thanks for your help
Francois-Xavier THORET
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Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration,
France Telecom - Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci
This message and its attachments may contain confidential or privileged information that may be protected by law;
they should not be distributed, used or copied without authorization.
If you have received this email in error, please notify the sender and delete this message and its attachments.
As emails may be altered, France Telecom - Orange shall not be liable if this message was modified, changed or falsified.
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