Become a Certified Wire Shark (WCNA)

I recently sat for the Wireshark Certified Network Analyst (WCNA) certification again. This will be the second time I have taken it and the second time I have passed. I have taken several various networking certification exams, networked with people who have sat for others, and read about many more. Keeping all of that in [...]

Rename Files to WS File Set Format

Using file sets in Wireshark is a great feature. It allows for quickly navigating between smaller files instead of experiencing sluggish performance when analyzing one large file. However, there are times when packet captures were taken using a system other than Wireshark (such as TCPDump or Dumpcap). Other times someone else performs the captures and [...]

Can the SPAM – Use Email Aliases

Everyone has that junk email account from an old mail service they don't use anymore (ehem...AOL). They give it to salesmen, questionable websites, contests, fake accounts, etc. That way the majority of SPAM goes to the secondary account and fewer personal details are provided. While is a great solution, it's time to upgrade to junk [...]

TCP Performance Options

In order to understand application performance across the network, we first have to understand the basic mechanisms. In this case that foundation is built on TCP, and, more specifically, the built-in TCP Performance Options. There are many things that can be done in an application to improve performance. There are also several options from a [...]