Useless services Network Vulnerabilities Useless services High 2 Medium 6 Low 5 Chargen Check RPC rstatd Service Running Check for a Citrix server Check for echo Service Check for ident Service Check for rexecd Service Check for rsh Service Check rlogin Service Running Discard port open Quote of the day Writesrv X Display Manager Control Protocol (XDMCP) xtux server detection