sniffer : Java Glossary

The CurrCon Java Applet displays prices on this web page converted with today’s exchange rates into your local international currency, e.g. Euros, US dollars, Canadian dollars, British Pounds, Indian Rupees… CurrCon requires Java 1.1 or later, preferably 1.6.0_17. If you can’t see the prices, or if you just want to learn more about CurrCon, click here for help.

sniffer

Sometimes called a packet sniffer or protocol sniffer. A tool for watching the data flowing in and out of your computer over the Internet. Sometimes the tool will be specialised just to watch HTML traffic.

Distinct Network Monitor (also a packet sniffing library for C# C++ VB)
Effetech Etherdetect$100.00 USD
Effetech HttpDetect$30.00 USD
Wireshark, formerly known as Ethereal, (free). Very easy to use. It watches everything going on via your Ethernet connection. You can fairly easily trigger a capture to a file. The problem is overwhelm. By default it captures all traffic on your Ethernet card.
JPCap: a Java library that lets you capture packets.
KSnuffle for Linux KDE.
NetTool (free).
Packet-sniffing.com network monitor $895.00 USD
TCPView (free) for Windows.
WebBug: a debugging tool. Not a sniffer per se. WebBug lets you enter a URL, then displays exactly what it sends to the Web Server and, when the response is received, exactly what the Web Server sends back.
OWASP Webscarab gets between your browser and your server (and reports on the HTTP conversations going back and forth). It can also deal with SSL. This is a higher level, more convenient, interface than the Ethereal IP packet level, but less general.

CGI
EchoServer
Ethernet
HTTP
LAN
screen scraping
TCP/IP
Telnet
Wireshark

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