After a major security threat has been discovered in Samsung Unified Linux Driver they decided to create smfpd, Simple MFP Daemon that runs as root and provides access to parallel port via tcp/8822

smfpd : Simple MFP Daemon

Usage :

smfpd [ options ]

Options :

-V n   : message Verbosity level n, default 0
-f     : debug mode: run in foreground, log to stdout
-h     : show help and exit
-i dev : use network device 'dev', default lo
-p n   : listen on port n, default 8822
-v     : show version

This daemon is listens on loopback interface by default and is used for LPT devices only. If you use the USB connection then you don’t need this daemon.