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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Network gurus or telnet and ping jockeys
A great many of the so-called network gurus out there are nothing more
than telnet and ping jockeys. Some of them might even be using putty or kitty because of ssh. There are apple fanboys
as an example then there are the cisco equivalence. These guys only
want to use and do things if it smells, tastes or looks like cisco, i.e.
it has a cr@ppy command line instead of a functional web interface.
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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