Port 179 — BGP
Port 179 (TCP) is used by BGP. Border Gateway Protocol — exchanges routes between autonomous systems (the internet's routing protocol).
Port 179 at a glance
| Property | Value |
|---|---|
| Port number | 179 |
| Transport | TCP |
| Service | BGP |
| Category | Well-known port |
What it is used for
Border Gateway Protocol — exchanges routes between autonomous systems (the internet's routing protocol).
Security considerations
Protect with MD5/TCP-AO and prefix filtering; route hijacks are serious.
See our full TCP/UDP port reference and learn how firewalls filter ports in the CyberOps course.
Frequently asked questions
What is port 179 used for?
Port 179 (TCP) is used by BGP. Border Gateway Protocol — exchanges routes between autonomous systems (the internet's routing protocol).
Is port 179 TCP or UDP?
Port 179 uses TCP.
Is it safe to open port 179?
Protect with MD5/TCP-AO and prefix filtering; route hijacks are serious.
Related
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