Anchor Free Hotspot Shield software is an OpenVPN-based internet privacy service. The principle is that users connect to the central VPN servers and route all their internet traffic via the remote servers.
Using Hotspot Shield bypasses the web filter proxy.
From your firewall, block the following TCP and UDP ports:
Note: UDP port
1194 is a regular OpenVPN port. You may need to leave this open if you have users using OpenVPN legitimately.
If Smoothwall is your firewall, go to:
- https://help.smoothwall.net/Hearst/Content/ui/rule/portrules.htm for customers running Hearst or below
https://help.smoothwall.net/Inverness/Content/ui/admin/ipfilter/forward.htm for customers running Inverness or above
Make sure the following domains are blocked: