Apache authentication: NTLM Single Signon

NTLM single sign on under Apache

Note: This guide assumes you have Samba configured and connected to a Windows domain

Install needed packages:

# apk add apache2 apache-mod-auth-ntlm-winbind

Add apache user to winbind group:

# addgroup <user> winbind

add to httpd.conf (virtual host):

Contents of /etc/apache2/httpd.conf

AuthType NTLM NTLMauth on NTLMAuthHelper "/usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp" Require user <users>

Ensure that all users requiring authentication are added to the last line.

Alternatively, allow all valid users who are members of the winbind domain with the following:

Contents of /etc/apache2/httpd.conf

#/etc/apache2/httpd.conf AuthType NTLM NTLMauth on NTLMAuthHelper "/usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp -require-membership-of="WORKGROUP\Domain Users"" Require valid user

Restart Apache and test:

# rc-service apache2 restart