Justniffer – tcp packet sniffer

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justniffer is a tcp packet sniffer. It can log network traffic in a customizable way. can simulate web server logs as the Apache access_log. may include information such as response times. useful to troubleshoot performance issues. It can also capture http traffic content (html, javascript, css, images, sounds, etc..) And save it in a directory
Main differences from other sniffers

Most of the sniffers are divided into two categories, packet an text sniffers. Both suffer from incompleteness of information that may be collected and analyzed

* Packet sniffers collect too much data, such as packet headers details, and they make easy to analize low level network problem (such as tcp retrasmissions, or ip fragmentation) but make hard-working and time wasting to analize more high level details ( such as content correctness, keep-alive issues, connection timeouts, response time, etc)
* Textmode sniffers usually rebuild TCP stream but cannot collect low level information such as timestamps. They often rebuild the tcp flow in a too simplistic way and fail when dealing with complex TCP/IP issues (reordering, retransmission, reassemlbying, etc). TCP reassembling and reordering is a complex exercise, and require a deep knowledge of TCP/IP protocol and long experience in the field. Usually,they are useful for pure grabbing content from network traffic.

Justniffer was born to help in toubleshooting perfomance in network tcp based services : HTTP, JDBC, RTSP, SIP, SMTP, IMAP, POP, LDAP, etc.

Install Justniffer in Ubuntu

download .deb package from here once you have deb you can install by double clicking on it

Screenshot

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