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Softwares used in this guide

- RT 4.4.1
- Apache
- mod_auth_openidc (an Apache module that does all the OpenIDC work)

Installing mod_auth_openidc

You can find it on Github here.

You can get the latest release here.

Ubuntu installation

sudo apt-get update
sudo apt-get install libapache2-mod-auth-openidc
a2enmod auth_openidc
service apache2 restart

CentOS 7 installation

Get the links for the latest centos .rpm releases of cjose and mod_auth_openidc in the link above. You may also need to find a centos .rpm for hiredis - remember to expand the tab for the OS of your choice (CentOS 7 in this case).

Then simply,

yum install
yum install
yum install

Now the mod_auth_openidc module should be installed.

Signing up with an OpenID Connect Provider

To authenticate users, your server needs to be able to talk to someone they trust to provide user identities. In this guide, we will use Google as our OpenID Connect Provider — almost everyone has a Google account. To be able to use Google's authentication services, you will need to visit their Developer console.

1. Find the Google+ API 2. If you click on it, there should be a little header saying you need to create a project. Click the Create Project button and proceed through the setup 3. You will be brought back to the Google+ API screen. On this page, press the Enable button near the top 4. In the left navigation pane, go to Credentials 5. Press the Create Credentials dropdown and select OAuth client ID 6. Configure the consent screen 7. Next, it should ask you to select an application type, pick Web application 8. Give your app a name and don't fill out the other blanks unless you know what they're going to be set up to already 9. There should be a popup telling you what your client ID and secret are — these will be needed later.

Basic setup

Configuring mod_auth_openidc

Now you have to piece everything together. You can read the mod_auth_openidc Documentation or Wiki pages to set everything up if you'd like, but I'll be providing a step-by-step procedure as well.

So, you're going to have to put some Apache config code somewhere to get mod_auth_openidc to start actually doing things.

For my environment, this is the path to my .conf file:


If you don't have a conf.d folder or some other problem, you can put the Apache config code at the end of your default Apache config file. For my environment, this is the path:


Whatever you choose to do, here are the basic settings that you will need to integrate Google's Sign-In with Request Tracker:

Note: In this setup, RT is found on localhost

# This is the link that Google uses to introduce itself and tell your server it's trustworthy

# The credentials you were presented in the Google Dev Console
OIDCClientSecret as98jtg981jk02k0a

# Must match exactly with Authorized redirect URI in your Google Dev Console
OIDCRedirectURI http://localhost/oauth2callback

# Set this to whatever you want
OIDCCryptoPassphrase anypasswordhere

# This will set the environment variable REMOTE_USER to the user's email address instead of the default setting
OIDCRemoteUserClaim email
OIDCScope "openid email"

<Location />
    AuthType openid-connect
    Require valid-user
    LogLevel debug # If you want debug messages

Configuring Request Tracker

In your file

Set( $WebRemoteUserAuth, 1 );
Set( $WebFallbackToRTLogin, 1);

At this point, clear your mason cache with

sudo rm -rf path_to_rt/var/mason_data/obj

and restart your webserver.

Now when you visit your Request Tracker, you should immediately be prompted to login with Google — or if you're already logged in to your Google account, your Google email address will be checked against RT's user database. That means if you want RT to grant access to, there must exist an RT user with the name Otherwise, RT will display a page saying that you are unauthorized and since we set WebFallbackToRTLogin to 1, you will also have a link that will bring you to RT's default login page.

Logout fix

If you intend to use only the basic configuration, you will need to change how the default RT menu Logout button works. By default, it will log you out of RT, but it will not log you out of your Google account. Because of that, when you logout and get redirected to the login page, the Google email address you used to sign in will be authenticated against RT's database again and you'll be logged back in — making it basically impossible to logout.

There likely exists a certain configuration to fix this issue, but the advanced configuration provides a more flexible solution.

Advanced configuration

Instead of Google Sign-In first and deferring to RT's login system on failure, the advanced configuration uses Google Sign-In side-by-side RT's default login system. This requires certain "hacky" adjustments to the HTML pages, additional configuration files, and some more lines in the OpenIDC Apache .conf file.

Work in progress

More will be added and elaborated when time permits.