Microsoft Point-to-Point Tunneling Protocol (PPTP)
close (2002 ms)
1025
NFS IIS Teradata
close (2001 ms)
1352
IBM Lotus Notes/Domino (RPC) protocol
close (2001 ms)
143
close (2002 ms)
587
e-mail message submission (SMTP)
close (2000 ms)
1433
Microsoft SQL Server database management system (MSSQL) server
close (2001 ms)
3389
Microsoft Terminal Server (RDP) officially registered as Windows Based Terminal (WBT)
close (2002 ms)
6001
X11—used between an X client and server over the network
close (2001 ms)
445
Microsoft-DS Active Directory, Windows shares (Microsoft-DS SMB file sharing)
close (2002 ms)
139
NetBIOS Session Service
close (2001 ms)
110
Post Office Protocol v3 (POP3)
close (2002 ms)
53
Domain Name System (DNS)
close (2000 ms)
111
ONC RPC (Sun RPC)
close (2002 ms)
135
Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service, used to remotely manage services including DHCP server, DNS server and WINS. Also used by DCOM
close (2002 ms)
25
close (2002 ms)
22
Secure Shell (SSH), secure logins, file transfers (scp, sftp) and port forwarding