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How can I restrict my Trac instance to only certain users?

If you wish to restrict access to your Trac instance to only certain people with MIT certificates, you may do so by editing the .htaccess file in the directory you installed Trac into. Note: There is also a .htaccess file in the tracdata subdirectory, and that file should not be changed.

Initially, when you've used the Trac autoinstaller, the .htaccess file will look similar this:

AuthType SSLCert
AuthSSLCertAuthoritative off
AuthSSLCertVar SSL_CLIENT_S_DN_Email
AuthSSLCertStripSuffix @MIT.EDU
Require valid-user
AuthOptional on

RewriteEngine on

RewriteCond %{HTTPS} =on
RewriteRule ^logout http://%{SERVER_NAME}%{REQUEST_URI} [R,L]

RewriteCond %{REQUEST_URI} !^/~yourlocker/trac-path/trac.fcgi
RewriteRule ^(.*)$ /~yourlocker/trac-path/trac.fcgi/$1 [L]

<Files login>
AuthOptional off
ErrorDocument 401 /__scripts/needcerts
</Files>

You will want to change it to be similar to the following (changes are highlighted in red):

AuthType SSLCert
#AuthSSLCertAuthoritative off
AuthSSLCertVar SSL_CLIENT_S_DN_Email
AuthSSLCertStripSuffix @MIT.EDU
Require user moe larry curly
#AuthOptional on
ErrorDocument 401 /__scripts/needcerts

RewriteEngine on

RewriteCond %{HTTPS} =on
RewriteRule ^logout http://%{SERVER_NAME}%{REQUEST_URI} [R,L]

RewriteCond %{REQUEST_URI} !^/~yourlocker/tracpath/trac.fcgi
RewriteRule ^(.*)$ /~yourlocker/trac-path/trac.fcgi/$1 [L]

<Files login>
AuthOptional off
ErrorDocument 401 /__scripts/needcerts
</Files>
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