As cybersecurity threats become more sophisticated, organizations need a way to quickly detect and stop an attack or track and analyze its after-effects for clues. One important tool available to ...

For network admins and network security professionals, one of the most important tools to learn to use is Wireshark (formerly Ethereal), a free and open source network analyzer/packet sniffer software ...

Do you love packet analysis as much as I do? If so, then you’ll probably remember the scene in the movie “The Matrix” where Neo is looking at the Matrix over one of the analysts’ shoulders and asks ...

As everyone know that TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are internet protocols which are used for communication through internet. The communication takes places ...

We are having alot of traffic problems on our network since being infected with the NIMDA virus. After we cleaned all of our workstations and servers, our network was still working VERY SLOW, and ...

The value of capturing and analyzing network traffic is well established. After all, the generic “sniffer” has been a fixture of networking since the days of “datascopes” on RS-232 connections.

Packet capture is one of the most fundamental and powerful ways to do network analysis. You can learn virtually anything about what is going on within a network by intercepting and examining the raw ...

Security continues to be the biggest concern for IT managers and, in turn, design engineers developing firewall systems. With more viruses popping up and hackers attacking more often, corporations are ...