ppp_options=PPP options file,0 serials=Serial ports pattern,0 pap_file=PPP accounts file,0 pppd=Path to pppd server,0 dialin_config=Mgetty dialin configuration file,0 encrypt_pass=Encrypt passwords in secrets file,1,1-Yes,0-No login_config=Mgetty login configuration file,0 line2=System configuration,11 mgetty=Path to mgetty program,0