12.11. Ports Used by Windows Services
NT uses a number of ports and services that are unique to the operating system. Although the port numbers used by services such as SMTP, FTP, and HTTP are documented in Request For Comment (RFC) 1700, many of the ports used for Windows-specific services, such as WINS or remote event viewing, are not as well documented. For this reason, supporting Microsoft services across subnets where firewalls or packet filters are being used can be extremely difficult.
Table 12.2 lists a number of popular Windows services along with the transport and port numbers they use.
| Name | Transport/Port Number |
|---|---|
| b-node browsing | UDP/137, UDP/138 |
| p-node WINS registration ... |
Get Mastering™ Network Security, Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
