This is the blog of Ronald Bartels that wanders on and off the subject of problem management (that is how it started). Mostly now the topics are about IoT and SD-WAN.
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10 Steps to Do It Yourself CRAMM
IT Infrastructure Library (ITIL®) promotes the CCTA Risk Analysis and Management Method (CRAMM) for risk assessment. Everyone agrees managing risk is critical, yet few actually use CRAMM or any other formal system! Part of the reason for this is that CRAMM is a sophisticated software tool that requires a trained practitioner to operate. However, if you examine CRAMM, you soon realize you can obtain many of the benefits without investing in consultants or expensive software solutions.
Firewalls are becoming increasingly important in today’s world. Hackers and automated scripts are constantly trying to invade your system and use it for Bitcoin mining, botnets or other things. To prevent these attacks, you can use a firewall on your system. IPTables is the strongest firewall in Linux because it can filter packets in the kernel before they reach the application. Using IPTables is not very easy for Linux beginners. We have created easywall - the simple IPTables web interface . The focus of the software is on easy installation and use. Access this neat software over on github: easywall
When building a DDoS mitigation service it’s incredibly tempting to think that the solution is scrubbing centers or scrubbing servers. I, too, thought that was a good idea in the beginning, but experience has shown that there are serious pitfalls to this approach. Read the post of at Cloudflare's blog: N o Scrubs: The Architecture That Made Unmetered Mitigation Possible
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