Remote Process Execution

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 authenticate by reading the username and password (unencrypted) from the socket.

Limitations

Same as rsh: sends unencrypted information over the network. Even worse, because the password is sent.

Port number

rexec uses well-known port TCP 512.

References

• rexecd - remote execution server - rexecd man page.
• rexec - remote execution client - rexec man page.