> For the complete documentation index, see [llms.txt](https://d4rk1337.gitbook.io/the-pentesters-cheat-sheet/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://d4rk1337.gitbook.io/the-pentesters-cheat-sheet/services/udp.md).

# UDP

- [UDP 137, 138, TCP 139: NetBIOS](https://d4rk1337.gitbook.io/the-pentesters-cheat-sheet/services/udp/udp-137-138-tcp-139-netbios.md)
- [UDP 161: SNMP](https://d4rk1337.gitbook.io/the-pentesters-cheat-sheet/services/udp/udp-161-snmp.md)