6.3. Auth servers

Authentication servers (auth servers) are external sources of user accounts, such as an LDAP server, or servers that perform authentication for UserGate, such as RADIUS, TACACS+, Kerberos, or SAML. The system supports the following types of authentication servers:

  • LDAP connector.

  • RADIUS user authentication server.

  • TACACS+ user authentication server.

  • Kerberos authentication server.

  • NTLM authentication server.

  • SAML (SSO) authentication server.

RADIUS, TACACS+, NTLM, and SAML authentication servers can only authenticate users, while a LDAP connector also makes it possible to obtain information on users and their properties.