For instance, if you had a server in a DMZ, you could bypass potentially complex networking needs to obtain shell access to the server from a system on the LAN. This also could mean that running a remotely-accessible sshd service is no longer required on. This can be done by modifying /etc/nf to add:. /dev/ttyS0. If nothing else, should you need to connect to some hardware via the console, idm 6.15 full patch indowebster like a network router or switch, being able to use screen to manage the serial connection is a great and easy. I am using a generic USB to serial adaptor on Windows (Unitek) and a null modem cable. I have putty configured for 9600 baud, 8 bits, no parity. 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI. Port Adapter Cable with FTDI Chipset Supports Windows 10, 8, 7 and Mac Linux. Jan 13, 2008. Using a serial console on Linux is much like using a modem; the. This can be reverted very easily; a null-modem cable works both ways.