Hacking Attack from too many network ports open

The hacking threat your computer is exposed to when there are too many ports open. The good news is that the default Windows 8 install has only one port open, see the seventh scanned device below.

John Engelbrecht Grovetown GA Ubuntu computer GRID using the Linux command for network mapping

file name: NMAP on home network looking for open ports that could be hacked.txt notes added

sudo nmap -FO 192.168.1.0-254

Starting Nmap 5.00 ( http://nmap.org ) at 2015-06-22 05:19 EDT

1 of 7: Interesting ports on 192.168.1.1:

PORT STATE SERVICE

80/tcp open http

MAC Address: 00:06:25:BE:E3:27 (The Linksys Group)

Device type: WAP

Running: Linksys embedded

OS details: Linksys BEFW11S4 WAP, WAP being used only for the switch ports, positioned between Knology (WOW) cable modem and the home network

Network Distance: 1 hop

2 of 7: Interesting ports on 192.168.1.31 assigned statically:

PORT STATE SERVICE

21/tcp open ftp

23/tcp open telnet

80/tcp open http

139/tcp open netbios-ssn

515/tcp open printer

MAC Address: 00:03:1B:58:01:A3 (Cellvision Systems)

Device type: print server

Running: D-Link embedded, Hamlet embedded

OS details: D-Link DP-300U, DP-G310, or Hamlet HPS01UU PRINT SERVER servicing old HP Laserjet 2300 that has only USB port, no Ethernet port

Network Distance: 1 hop

3 of 7: Interesting ports on 192.168.1.100:

PORT STATE SERVICE

80/tcp open http

443/tcp open https

MAC Address: 58:35:D9:94:47:56 (Unknown)

No exact OS matches for host

Network Distance: 1 hop

computer tips seminar handout June 22 2015.odt ©John Engelbrecht 2015

4 of 7: All 100 scanned ports on 192.168.1.101 are filtered

MAC Address: 44:94:FC:90:02:3D (Unknown)

Netgear N300 wireless router WNR2000

Network Distance: 1 hop

5 of 7: Interesting ports on 192.168.1.102:

PORT STATE SERVICE

631/tcp open ipp

MAC Address: 00:1F:1F:F7:D7:64 (Edimax Technology Co.)

Device type: Ethernet hub

Running: Linux 2.6.X

OS details: Linux 2.6.13 - 2.6.27

Network Distance: 1 hop

6 of 7: Interesting ports on 192.168.1.103:

PORT STATE SERVICE

111/tcp open rpcbind

139/tcp open netbios-ssn

445/tcp open microsoft-ds

631/tcp open ipp

2049/tcp open nfs

5900/tcp open vnc

No exact OS matches for host, may be Cisco layer-3 switch

Network Distance: 0 hops

7 of 7: Interesting ports on 192.168.1.104:

PORT STATE SERVICE

5357/tcp open unknown Just one port is open on this Windows 8.1 installation

MAC Address: D4:3D:7E:91:4B:92 (Unknown)

Running: Microsoft Windows 8.1

Network Distance: 1 hop

OS detection performed.

Nmap done: 255 IP addresses (7 hosts up) scanned in 74.09 seconds