Wireshark Protocol AnalyzerA protocol analyzer, sometimes called a packetsniffer, is a monitoring device or a computer withmonitoring software that captures each packet todecode and analyze its contents.Wireshark is an open source packet analyzer thatwill capture network packets and display that packetwith very detailed protocol information. Networkadministrators can use it to troubleshoot networkproblems. Network security engineers can use it toexamine security problems. Developers may use itto debug protocol implementations. Some peoplemay use it to learn network protocol internals.Open your internet browser and type in the currentURL www.wireshark.org
Click on Download Wireshark.
Click on Windows Installer (32 bit).Click on Save.
In the Save As dialog box, click Save to a locationsuch as your desktop.Wait for the file to download.
After Download Complete appears, click Run.In the IE Security Warning window, click Run.
In the User Account Control window, click Allow.Close this window.
Click Next.Click I Agree.
Click Next. Click Next.
Choose your install location, click Next.Click Install.
Click Next.Click Next.
Click I Agree.Click Next.
Click Finish.Click Next.
Place a checkmark next to Run Wireshark 1.8.0(32-bit) then click Finish. Click the Capture menu, and select Interfaces.
Put a check in this box. Click Start. You will now see packets captured.
You can view usernames, passwords, and otherinformation using Wireshark.Open an internet browser and enter the URLwww.yahoo.com then search for the word treasure.Return to Wireshark and Click Edit and Find Packet
Click String, after Filter enter Treasure, click Find.Treasure is found on a page that was just visited.
Double-click on the highlighted packet for moreinformation. Click the capture menu and select Stop.