Because I always forget them: Windows port numbers

Microsoft

Remote Desktop Protocol: 3389 TCP

Windows Remote Management: 47001 TCP

Remote PowerShell: 5985 TCP (HTTP), 5986 TCP (HTTPS)

Microsoft SQL Server: 1433 TCP

Windows File Sharing: 445 TCP

Active Directory: 88 (Kerberos), 464 (Kerberos replication) 389 (LDAP), 636 (LDAPS)

Remote Procedure Call: 135 TCP

NetBIOS: 137 UDP (name), 138 UDP (data), 139 TCP (session)


Citrix

Independent Computing Architecture Protocol: 1494 (application), 2598 (session)

Citrix Licensing Server: 8082 (client), 8083 (server), 27000 (internal)


General

DNS: 53 UDP

WINS: 42 UDP

DHCP: 67 TCP (client), 68 TCP (server)

SSH: 22 TCP

 © Andrew Brehm 2016