lsh is GNU GPL'd implementation of the Secure Shell protocol version 2 (SSH2). The SSH (Secure SHell) protocol is a secure replacement for rlogin, rsh and rcp. . This package contains the lsh documentation, including info pages, manpages about the various protocols which lsh uses, as well as various documents about lsh internals, protocols and general lsh development. . In some countries it may be illegal to use any encryption at all without a special permit.