User:Scott/24

      Network
--------------------------------
Home Page    user:scott
Home02       user:scott/22
Printers     user:scott/23
Network      user:scott/24
Account Mng  user:scott/25
Virus Scan   user:scott/26
Keith Admn   user:scott/27
Active Dir   user:scott/29

Ping 8.8.8.8 (google.com's server)

icmp (echo request/reply)

ping -a

ping -a 192.168.1.8
returns the host-name on a local network

tracert 8.8.8.8

trace router hops 
how many milliseconds per hop?

nslookup

• Look-up IP Address for a Domain Name
• Look-up Mail Server for a Domain Name
• Look-up DNS Server for a Domain Name

C:\>nslookup
Default Server:  Wireless_Broadband_Router.ftrdhcpuser.net
Address:  192.168.1.1

Change to Googles DNS server

> server 8.8.8.8
Default Server:  google-public-dns-a.google.com
Address:  8.8.8.8

Discover Alltech1.com's IP address

> alltech1.com

Non-authoritative answer:
Name:    alltech1.com
Address:  173.12.185.180

Discover Alltech1.com's Mail Server

> set type=mx
> alltech1.com

Non-authoritative answer:
alltech1.com    MX preference = 20, mail exchanger = smtp20.clickx3.com
alltech1.com    MX preference = 10, mail exchanger = smtp11.clickx3.com

Discover Alltech1.com's DNS Server

> set type=ptr
> alltech1.com

alltech1.com
       primary name server = NS19.WORLDNIC.com
       responsible mail addr = namehost.WORLDNIC.com
       serial  = 111090218
       refresh = 10800 (3 hours)
       retry   = 3600 (1 hour)
       expire  = 604800 (7 days)
       default TTL = 3600 (1 hour)

netstat

list current connections

ipconfig /all

Host Name
Primary DNS Suffix

telnet

not encrypted

ssh

Microsoft Microsoft Network Monitor 3.4

http://www.microsoft.com/download/en/details.aspx?id=4865