• How it works under the hood: A closer look at TCPIP and Winsock ETL tracing on Windows 7 and Windows 2008 R2 with an example

    Hi there, In this blog post, I would like to talk about TCPIP, Winsock ETL tracing a bit with an example to show you how powerful those tracing facilities could be when troubelshooting connectivity problems. Please note that it is to give you an...
  • SCCM packages may be distributed slower than standard file copy (xcopy/Windows Explorer)

    Hi there, In this post, I’m going to mention about another issue where I helped a colleague of mine to troubleshoot an SCCM package distribution scenario. The problem was that package distribution to clients were visibly slower compared to...
  • SQL Browser may not be reachable through firewalls when it runs on a cluster

    Hi there, In this blog post, I would like to talk about a problem in which I was involved as a network engineer. The problem was that the SQL server instance name to port mapping wasn’t successfully done through a firewall if the SQL instance...
  • Bogus IP packets and Wireshark

    Hi there, In today’s blog post, I’m going to talk about an issue that I have come across several times while analyzing network traces with Wireshark. Let’s take the following example: I apply the following filter on a network...
  • How to decrypt an SSL or TLS session by using Wireshark

    [Updated on 26th October 2013] The following blog post is the newer version of this blog post: http://blogs.technet.com/b/nettracer/archive/2013/10/12/decrypting-ssl-tls-sessions-with-wireshark-reloaded.aspx Hi there, In this blog post...