Port 1194 · OpenVPN

Port 1194 is OpenVPN, TCP and UDP.

OpenVPN — TLS-based VPN. UDP preferred for performance; TCP fallback when UDP is blocked.

Palo Alto

Create the service objects 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-1194 protocol tcp port 1194
set service udp-1194 protocol udp port 1194

set rulebase security rules <rule-name> from <from-zone> to <to-zone> source any destination any application openvpn service [ tcp-1194 udp-1194 ] 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 :1194
• Linux ss -ulnp | grep :1194
• PowerShell Test-NetConnection <host> -Port 1194
• nmap nmap -p 1194 <host>
• nmap nmap -sU -p 1194 <host>

Related ports

• 500 IKE / ISAKMP
• 1701 L2TP
• 1723 PPTP
• 1812 RADIUS Auth
• 4443 GlobalProtect HTTPS
• 4500 IPSec NAT Traversal

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