![]() ![]() ![]() Routers, switches and hubs, the three main devices on a modern network, “each handle traffic differently, you must be very aware of the physical setup of the network you are analyzing,” Chris Sanders cautions. The introduction and first two chapters of Practical Packet Analysis help the reader get up to speed on the basics of packet analysis. Several years later, however, Combs was unable to obtain Ethereal’s trademark, so he spun off another product, Wireshark, which has “grown dramatically in popularity, and its development team now boasts over 500 contributors.” The very first version of Combs’ application, called Ethereal, was released in 1998 under the GNU Public License (GPL).” “Gerald Combs, a computer science graduate of the University of Missouri at Kansas City, originally developed it out of necessity. The popular packet sniffing software known as Wireshark has its roots in Ethereal, which gives it a “rich history,” he points out. Mastering the scenarios is particularly important, he adds, because the concepts they cover can apply to many real-world packet analysis situations. ![]() This new second edition “contains almost all new content, with completely new capture files and scenarios,” the author states. His how-to manual for Wireshark is aimed not only at expert packet analysts but also newcomers to the process of using “packet sniffing” to solve common network problems such as malware infections, loss of connectivity, slow performance, printers running amok, and other issues. Here, nothing is hidden from us - nothing is obscured by misleading menu structures, eye-catching graphics, or untrustworthy employees,” Chris Sanders writes. “To better understand and solve network problems, we go to the packet level. “A million different things can go wrong with a computer network on any given day – from a simple spyware infection to a complex router configuration error – and it’s impossible to solve every problem immediately,” notes the author of this well-written and nicely structured guidebook, Practical Packet Analysis. Practical Packet Analysis: Using Wireshark to Solve Real-World Network Problems – 2nd Edition ![]()
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