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Revision 6 as of 2007-11-13 23:16:45
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Revision 7 as of 2007-11-25 12:59:30
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Sake Blok

My interest in Networking was first raised when I started working for one of the first ISP's in The Netherlands (back in 1995). My L2/L3 knowlegde was gathered while working for a large bank. I then switched teams within that bank to manage their redundant internet gateway based on a loadbalanced firewall cluster, loadbalancers, ssl-offloaders, caches and proxies.

In that time (2000) I started using Ethereal to troubleshoot problems within that environment. After my switch to a reseller, my skills developped towards bug-chasing and Ethereal/Wireshark has been an invaluable tool for me. I use it on a daily basis.

In february 2006 I wished to be able to filter on the "X-Forwarded-For:" http-header and joined the mailing-lists. First I wanted to ask for that functionality, but then I realised that I might be able to add it myself. Well, one thing led to another and after submitting a few of my own patches, I started working on bug-reports too. Resulting in being invited to the core development team in august 2007.

I live in The Netherlands near Amsterdam and work as "Research and Development Engineer" at [http://www.ionip.com ion-ip] in Veenendaal. In my job I am involved in troubleshooting complex networking problems in Application delivery infra-structures. This involves quite a bit of bug-chasing :-). I am also involved in putting new and existing products from our vendors on a testbed in our testlab (which I maintain as well).

Main development areas

As I am more a networking person than a programmer, I mainly contribute by solving issues I encounter while working with Wireshark. I also submitted a few enhancements and solved some bugs reported by others. My development skills are growing, but for now I consider myself skilled at looking at what other people have built and reusing and combining things to solve the issues I want to solve.

List of things I want to fix/enhance/add in the (near) future

  • Build an "anonymizer" framework within Wireshark (once my development skills permit ;-))
  • Add the option "-o <file-with-preferences>" to tshark

  • Add a filter like "conversation(<proto>,<filter>)" that will show all packets belonging to the <proto> conversation for which at least one packet matches <filter>

  • Some fixes to the SSL dissector

Contributions so far

  • Added support for Cisco proprietary MST format
  • Added "Copy as Filter" functionality
  • Split time_delta in time delta captured and time delta displayed
  • Added support to read NetScreen snoop output data (ascii)

  • Added framework for conversation timestamps (and implemented it for tcp)
  • Added individual enable/disable functionality to the coloring rules
  • Added temporary coloring rules (with hotkeys)
  • miscellaneous bugfixes and enhancements

Other interests

  • Scuba diving
  • Photography (also while Diving)
  • Arthouse movies

attachment:sake-diving.jpg

Email: sake (at) euronet (dot) nl

SakeBlok (last edited 2010-07-28 22:08:28 by SakeBlok)