Often we need to measure web server performance. There are various reasons for this, but the most frequent one is modification of configuration files. Quite often we look for ways of improving web server speed and performance: tuning up nginx, apache or lighttpd we can get a significant performance boost. But finally we come to the question: how can we measure web server performance?
Popularity: 31%
In hierarchical structure of Internet DNS servers may be called nerve knots which directly influence the whole existence of the Internet. What can threaten their “health”? What can put them out of action? And can one protect DNS servers? Before we answer the questions, let’s see what task DNS servers carry out. In a few words, the main mission of DNS servers is translation of domain names into IP addresses and back. This means, servers must get requests, process them and send responses. DNS servers must keep data about supported network addresses; they exchange requests with servers of higher level in case they cannot give a response on their own. That’s enough to see what dangers potentially threaten DNS servers.
Popularity: 42%
Several useful network tools — this list will be updated every week.
Popularity: 33%