Go to > System and Security > Windows Firewall . Select Allow an app or feature through Windows Firewall .
If you cannot achieve a Direct tunnel, Hamachi is broken for your network topology. Do not waste hours—switch tactics. hamachi relayed tunnel to direct tunnel fix
Hamachi uses a color-coded status indicator next to each peer's name to display connection health: Go to > System and Security > Windows Firewall
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Do not waste hours—switch tactics
: On Linux systems, edit the h2-engine-override.cfg file and add: Sock.UdpPort 44444 This restricts Hamachi to a single incoming UDP port for direct connections.
If software tweaks fail, your router's hardware firewall is likely blocking the direct handshake. Port forwarding forces a path open.
Click on the left panel. Click the Change settings button at the top right.