Port 5061 · SIP TLS

Port 5061 is SIP TLS, TCP.

SIP over TLS — encrypted VoIP signalling. Protects call setup; the voice media itself is carried separately (usually SRTP over RTP).

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-5061 protocol tcp port 5061

set rulebase security rules <rule-name> from <from-zone> to <to-zone> source any destination any application sip service tcp-5061 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 :5061
• PowerShell Test-NetConnection <host> -Port 5061
• nmap nmap -p 5061 <host>

Related ports

• 5060 SIP
• 5004 RTP / SRTP
• 3478 STUN / TURN
• 443 HTTPS
• 636 LDAPS
• 990 FTPS

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