Remote Process Execution
Encyclopedia
rexec has the same kind of functionality that rsh
has : you can execute shell commands on a remote computer.
The main difference is that rexecd authenticates by reading the username and password (unencrypted) from the socket.
: sends unencrypted information over the network. Even worse, because the password is sent.
512.
Remote Shell
The remote shell is a command line computer program that can execute shell commands as another user, and on another computer across a computer network.The remote system to which rsh connects runs the rshd daemon...
has : you can execute shell commands on a remote computer.
The main difference is that rexecd authenticates by reading the username and password (unencrypted) from the socket.
Limitations
Same as rshRemote Shell
The remote shell is a command line computer program that can execute shell commands as another user, and on another computer across a computer network.The remote system to which rsh connects runs the rshd daemon...
: sends unencrypted information over the network. Even worse, because the password is sent.
Port number
rexec uses well-known port TCPTransmission Control Protocol
The Transmission Control Protocol is one of the core protocols of the Internet Protocol Suite. TCP is one of the two original components of the suite, complementing the Internet Protocol , and therefore the entire suite is commonly referred to as TCP/IP...
512.