Table of Contents
Default ports
| Port Number | Protocol | Application |
| 53s | TCP/UDP | DNS Zone Transfer |
| 135 | TCP/UDP | RPC Endpoint Mapper |
| 137 | UDP | NetBIOS NS |
| 139 | TCP | SMB over NetBIOS |
| 445 | TCP/UDP | SMB over TCP |
| 161 | UDP | SNMP |
| 389 | TCP | LDAP |
| 162 | TCP | SNMP Tray |
Default ports
