If you use Apache httpd in front of Jenkins check that your config looks like this one
<VirtualHost *:80> ProxyPreserveHost On ProxyRequests Off AllowEncodedSlashes NoDecode Timeout 5400 ProxyTimeout 5400 <Proxy "*"> Order deny,allow Allow from all Authtype Basic Authname "Password Required" AuthUserFile /usr/local/apache2/conf/passwd Require valid-user RequestHeader unset "X-Forwarded-User" RequestHeader unset "X-Forwarded-Groups" RequestHeader unset "Authorization" RewriteEngine On RequestHeader set "X-Forwarded-User" "%{RU}e" RequestHeader set "X-Forwarded-Groups" "%{RU}e|users" RewriteCond %{LA-U:REMOTE_USER} (.+) RewriteRule .* - [E=RU:%1,NS] </Proxy> ProxyPass "/jenkins" "http://jenkins.example.com:8282/jenkins" nocanon ProxyPassReverse "/jenkins" "http://jenkins.example.com:8282/jenkins" </virtualhost> -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/63613b5f-27be-44dd-9dc6-5273496f8ca6%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.