Configuring Firefox for auto login
Firefox is not configured to work with windows authentication by default, this can quickly be resolved by using the following steps:
1 Open Firefox
2 In the Address bar type about:config
3 In the search/filter field type ntlm
4 Set network.automatic-ntlm-auth.trusted-uris to .company_name.com
5 Set network.automatic-ntlm-auth.allow-non-fqdn to true by right-clicking and selecting "toggle"
6 In the search/filter field type negotiate
7 Set network.negotiate-auth.trusted-uris to .company_name.com
8 Set network.negotiate-auth.allow-non-fqdn to true by right-clicking and selecting "toggle"
9 Click OK if present and Restart Firefox.