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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5 Most Common Application Performance Issues
Some things never change: application performance issues. Flashback to twelve years ago when I was working at Mercury
Interactive on their managed service for application performance
management (APM).
That year, Italy won the World Cup (again) and Enron went down in
flames. It was cutting edge at the time to use synthetic monitoring to
measure response time for the end-to-end transaction from fixed
Points-of-Presence (PoPs) globally. We talked about things like moving
from reactive to proactive modes when managing application performance
issues and the difficulty in finding the needle in the haystack.
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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