chisel: chisel (A fast TCP/UDP tunnel over HTTP) chisel: chisel: Chisel is a fast TCP/UDP tunnel, transported over HTTP, secured via chisel: SSH. Single executable including both client and server. Written in chisel: Go. Chisel is mainly useful for passing through firewalls, though it chisel: can also be used to provide a secure endpoint into your network. chisel: chisel: chisel: chisel: chisel: