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2.2.5.3. Directory Firewall Requirements

Red Hat Enterprise Virtualization requires a directory server to support user authentication. Currently the supported directory servers are IPA and Active Directory. Both require a number of ports to be opened in the directory server's firewall to support GSS-API authentication as used by the Red Hat Enterprise Virtualization Manager.
Table 2.3. Host Firewall Requirements
Port(s) Protocol Source Destination Purpose
88, 464 TCP, UDP
  • Red Hat Enterprise Virtualization Manager
  • Directory server
Kerberos authentication.
389, 636 TCP
  • Red Hat Enterprise Virtualization Manager
  • Directory server
Lightweight Directory Access Protocol (LDAP) and LDAP over SSL.