Posts:

HITB2014AMS – Day 2 – Exploring and Exploiting iOS Web Browsers

iOS Browsers & UIWebview

iOS is very popular (according to StatCounter, it’s the 3rd most popular platform used).  Mobile browsers take about 20% to 25% of the market share. iOS offers integration with desktop browsers and cloud (so Read more

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BlackHat EU 2012 – Day 3

Good morning,

Since doing live-blogging seemed to work out pretty well yesterday, I’ll do the same thing again today.  Please join in for day 3 at BlackHat Europe 2012, in a cloudy and rainy Amsterdam.

The first talk Read more

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Script to backup Cisco switches via telnet / tftp

A couple of days ago, I have released a small perl script to back up Cisco IOS based switches via telnet.

I know there are a couple of similar scripts available on the internet, but most of them either Read more

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Juniper ScreenOS : defeating iBGP full mesh requirement using route reflectors and confederations

As explained in one of my earlier posts, one of the requirements to successfully setup and operate an iBGP configuration is that all iBGP clients need to have a BGP connection to all other iBGP clients. (= full Read more

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Cisco switch IOS cheat sheet

Reset to factory defaults :

  • connect console (9600/8/None/1, no flow control)
  • take out power cable
  • press mode button (at the front), hold it,  and put power cable back
  • switch will go into recovery mode
  • run :
    • flash_init
    • load_helper
  • rename Read more
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