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Related part of ipa-adtrust-manual page after a fix:
Firewall Requirements
In addition to the IPA server firewall requirements, ipa-adtrust-install requires the following ports to be open to allow IPA and Active Directory to communicate together:
TCP Ports
· 135/tcp EPMAP
· 138/tcp NetBIOS-DGM
· 139/tcp NetBIOS-SSN
· 445/tcp Microsoft-DS
· 1024/tcp through 1300/tcp to allow EPMAP on port 135/tcp to create a TCP listener based on an incoming request.
UDP Ports
· 138/udp NetBIOS-DGM
· 139/udp NetBIOS-SSN
· 389/udp LDAP
I added 135/tcp and 1024-1030/tcp to "Table 5.1. Ports Required for a Trust" and in step 2 of "Opening the Required Ports" to the firewall-cmd command.
Related part of ipa-adtrust-manual page after a fix: Firewall Requirements In addition to the IPA server firewall requirements, ipa-adtrust-install requires the following ports to be open to allow IPA and Active Directory to communicate together: TCP Ports · 135/tcp EPMAP · 138/tcp NetBIOS-DGM · 139/tcp NetBIOS-SSN · 445/tcp Microsoft-DS · 1024/tcp through 1300/tcp to allow EPMAP on port 135/tcp to create a TCP listener based on an incoming request. UDP Ports · 138/udp NetBIOS-DGM · 139/udp NetBIOS-SSN · 389/udp LDAP