RADIUS PORTS (VERY IMPORTANT!):

You have to enable UDP port 1812 for RADIUS authentication messages and UDP port 1813 for RADIUS accounting messages.

If you block these ports, users won’t be able to log in to the hotspot.

Other ports:

PORTS NEEDED FOR NTP

– UDP Port 123

PORTS NEEDED FOR PPTP VPN

– TCP Port 1723

– UDP Port 500

PORTS NEEDED FOR L2TP VPN

– TCP Port 1701

– UDP Port 500

PORTS NEEDED FOR IPSEC/ESP

– UDP Port 500

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