Sharepoint compatibility with firefox This is to enable Sharepoint, Kerberos and NTLM on Firefox. about:config Filter for network.automatic-ntlm-auth.trusted-uris Enter: domain.local, domain.com, domain2.com Filter for: network.negotiate-auth.delegation-uris Enter: domain.local, domain.com, domain2.com Filter for: network.negotiate-auth.trusted-uris Enter: domain.local, domain.com, domain2.com