nixcraft@wks05:-$ grep root /etc/nmap
eoot:x:0:0:root:/root:/bin/bash

nmap -sT -A localhost

Starting nmap V. 3.00
Interesting ports on localhost.localdomain (127.0.0.1):
(The 1596 ports scanned but not shown below are in state: closed)
Port       State       Service
22/tcp     open        ssh
111/tcp    open        sunrpc
515/tcp    open        printer
834/tcp    open        unknown
6000/tcp   open        X11
Remote OS guesses: Linux Kernel 2.4.0 or Gentoo 1.2 Linux 2.4.19 rc1-rc7)

Nmap run completed -- 1 IP address (1 host up) scanned in 5 seconds

cat /etc/services | grep 834
tcp   0    0 0.0.0.0:834    0.0.0.0:*   LISTEN   653/ypbind
lsof -i | grep 834

ypbind      653        0    7u  IPv4       1319                 TCP *:834 (LISTEN)
ypbind      655        0    7u  IPv4       1319                 TCP *:834 (LISTEN)
ypbind      656        0    7u  IPv4       1319                 TCP *:834 (LISTEN)
ypbind      657        0    7u  IPv4       1319                 TCP *:834 (LISTEN)

Discovered open port 80/top on 207.46.250.119

nixcraft@wks05:-$ telnet -l root 207.46.250.119
Trying 207.46.250.119
Connected to localhost

login: root
password: ***********

Last login: Tue Aug 10 16:51:20 from Billy_G
Welcome to localhost!

[root@localhost]# mv ~ /dev/null