The ramblings of a computer geek
Tristan Self During some upcoming changes I needed to test a mobile application to use a test IP address for a standard hostname. Problem is, I didn’t want to root my Android phone to be able edit the hosts file. There are apps such as “Hosts Go”, but in my case these didn’t work. On a normal … Read more
The Kemp WAF is based on the OWASP ModSecurity Core Rule Set (CRS), it is a set of firewall rules that are loaded that provide generic signatures for common attack types (e.g. SQL Injection, XSS and so on), it uses string matching, regex techniques to look for and block attacks in a general way. What … Read more
Had the error: “Invalid Verification File” when attempting to perform an upgrade to a Kemp Load Master, the Kemp has two files for upgrade the actual upgrade patch file and a manifest file needed for verification. If you’ve downloaded the file but whatever you do you still get this error when attempting to upgrade perform … Read more
If you need to quickly check the health of a protocol, Microsoft Exchange 2013 onwards provides a URL that you can query to ascertain the health of the service. Obviously if you query this and get nothing (i.e. a timeout) you can assume something is wrong, or if you get anything other than a “200 … Read more
Staytus is a great, simple little Service Status page. Yeah you could write your own with this set of functionality, but this is a great little web application you can just use off the shelf to easily publish your service status to the web and update it in the event of any issues and/or maintenance … Read more
NOTE: See https://geekmungus.co.uk/?p=3619 for the most up to date article! We’ve had an issue with the recent “Security Update for Microsoft Windows (KB5019964)” update, as by the looks of it a load of other people. In our case we are running Microsoft Windows 2016 domain controllers, the NetApp filers are pretty old we’re readying to … Read more
If you are thinking about professional registration, such as Chartered Engineer (CEng), Incorporated Engineer (IEng), Engineering Technician (EngTech) or indeed Chartered Scientist (CSci), Registered Scientist (RSci), Registered Science Technician (RSciTech), you’ll need to identify and explain how your skills and experience translates to a competence framework. What is it? So what is a competence framework? The awarding … Read more
I’ve recently passed the CISSP exam. Passing the exam is just one step in becoming a Certified Information System Security Professional, once you’ve passed the exam there are additional steps required to achieve the certification. There is a lot of chatter about exactly how long the process takes to get registered after the exam, so … Read more
You may see the following error when attempting to perform an upgrade to a host, the issue is also described in: https://www.vcloudnine.de/upgrade-to-esxi-7-0-missing-dependencies-vibs-error/ We came across this issue when attempting to upgrade to version 7.0.3 of VMware ESXi, these hosts had some driver VIB updates performed over their lifetime to remediate PSOD issues. Upon attempting an … Read more
At about 15:00 on 1st November 2022, my FTTP broadband disconnected. Upon looking at the BT Openreach ONT, I saw the following light condition. Power Green (Solid) LOS (Loss of Service) Red (Solid) PON Off LAN Green (Solid with blinking occasionally) Unfortunately I don’t have a video or picture of this state, but needless to … Read more