Port 179 · BGP

Port 179 is BGP, TCP.

Border Gateway Protocol — inter-domain routing between autonomous systems. Peering sessions are TCP-based.

Palo Alto

Create the service object for this port, then allow the App-ID on it. Restricting the rule to the port's service object keeps the rule working on a non-default port and stops the App-ID matching on other ports. Replace the placeholders with your own rule name and zones.

set service tcp-179 protocol tcp port 179

set rulebase security rules <rule-name> from <from-zone> to <to-zone> source any destination any application bgp service tcp-179 action allow

Risk and exposure

Rated low risk. Even so, only expose this port to the networks and hosts that need it, and keep it patched.

Check it

• Linux ss -tlnp | grep :179
• PowerShell Test-NetConnection <host> -Port 179
• nmap nmap -p 179 <host>

Related ports

• 520 RIP
• 521 RIPng

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