přecházení přes bránu firewall(A technology that provides secure pathways through a firewall and enables multiple data streams to pass thru the firewall on the same port (e.g., audio and video data on the same port))
Firewall Traversal(A technology that provides secure pathways through a firewall and enables multiple data streams to pass thru the firewall on the same port (e.g., audio and video data on the same port))
