Troubleshooting: Domain Controllers Ports

Puertos usados por Domain Controllers

Protocol and Port AD and AD DS Usage Type of traffic
389  (tcp & udp) Directory, Replication, User and Computer Authentication, Group Policy, Trusts LDAP
636  (tcp) Directory, Replication, User and Computer Authentication, Group Policy, Trusts LDAP SSL
3268  (tcp) Directory, Replication, User and Computer Authentication, Group Policy, Trusts LDAP GC
3269  (tcp) Directory, Replication, User and Computer Authentication, Group Policy, Trusts LDAP GC SSL
88   (tcp & udp) User and Computer Authentication, Forest Level Trusts Kerberos
53    (tcp & udp) User and Computer Authentication, Name Resolution, Trusts DNS
445   (tcp & udp) Replication, User and Computer Authentication, Group Policy, Trusts SMB,CIFS,SMB2, DFSN, LSARPC, NbtSS, NetLogonR, SamR, SrvSvc
25     (tcp) Replication SMTP
135   (tcp) Replication RPC, EPM
TCP Dynamic Replication, User and Computer Authentication, Group Policy, Trusts RPC, DCOM, EPM, DRSUAPI, NetLogonR, SamR, FRS
5722  (tcp) File Replication RPC, DFSR (SYSVOL)
123   (udp) Windows Time, Trusts Windows Time
464   (tcp & udp) Replication, User and Computer Authentication, Trusts Kerberos change/set password
UDP Dynamic Group Policy DCOM, RPC, EPM
138   (udp) DFS, Group Policy DFSN, NetLogon, NetBIOS Datagram Service
9389  (tcp) AD DS Web Services SOAP
67   (udp)

2535 (udp)

DHCP DHCP, MADCAP
Note: DHCP  is not a core AD DS service but it is often present in many AD DS deployments.
137  (udp) User and Computer Authentication, NetLogon, NetBIOS Name Resolution
139  (udp) User and Computer Authentication, Replication DFSN, NetBIOS Session Service, NetLogon

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