Ekahau Site Survey 8.5.1 released

The software that I’m using for WiFi Site Surveys is Ekahau Site Survey. Version 8.5.1 was released yesterday. What is Ekahau? Over 12 years in the making, ESSTM maintains its reputation as the easiest to use, enterprise-grade Wi-Fi design and maintenance tool for Wi-Fi professionals. With crystal clear heat maps and easy-to-use reports, ESS makes it simple … Read more

Access/Hack any Fortinet Fortigate Firewall with SSH

The FortiOS has a build-in hardcoded SSH backdoor. This issue affected all FortiOS versions from 4.3.0 to 4.3.16 and 5.0.0 to 5.0.7, which cover FortiOS builds from between November 2012 and July 2014. Fortinet published a brief statement via a blog post: “This was not a “backdoor” vulnerability issue but rather a management authentication issue. The … Read more

On our way to Sophos Technical Bootcamp in Cologne

My friend & colleague Dennis & me are on our way to Cologne to the Sophos Technical Bootcamp for the new Sophos XG Firewall OS. I will publish news and secrets about the new OS and the future of this product. I added a new blog category “Sophos XG” cautionary 😉 I will keep you up with news! … Read more

Install .net Framework 3.5 on Windows 10

I tried to run tools like mRemote which needs .net Framework 3.5. Typically you can activate this within “Program & Features” but in Windows 10 I always got the error 0x800F081F: but there is a way to install this feature completely offline. Just mount the Windows 10 ISO an start this command: DISM /Online /Enable-Feature /FeatureName:NetFx3 … Read more

Overflow happened on RED Device

Today I had a strange problem with a new Sophos RED15 device. The customer told me that they have many interrupts through a transparent RED device. There were these lines in the log: 2015:09:22-11:11:34 utm-1 red2ctl[7819]: Overflow happened on reds1:0 2015:09:22-11:11:34 utm-1 red2ctl[7819]: Missing keepalive from reds1:0, disabling peer 80.135.xx.xx I controlled the configuration and … Read more