Improve the speed of web pages, generally we will choose to use a CDN, using the "nearest principle" to allow users in the shortest possible time to obtain the server resources, the actual application of the use of CDN to improve the speed of
The experiment uses four virtual machines to build, originally the database as the core of the site, can not be placed on the DNS server, here due to the limit of the number of virtual machines, can only be temporarily placed on the DNS server to
This article will be based on the previous article on the configuration of the DNS service in the Kubernetes cluster environment, in the k8s cluster, pod life cycle is short, pod restart IP address will change, for the application this is
During the stress tests of the linux dns cache and NSCD service over the past two days, it was found that using webbench to press a domain name is several times slower than that of an IP address, and the nginx concurrency is also low when the domain
Linux DNS cache, NSCD serviceThese two days to do stress test, found that with webbench pressure domain name than the pressure IP address several times slower, and pressure domain name when nginx concurrency is also very low. Repeated tests many
During the stress tests of the linux dns Cache and NSCD service over the past two days, it was found that using webbench to press a domain name is several times slower than that of an IP address, and the nginx concurrency is also low when the domain
DNS resolution of PHPcurl (the curl in PHP is slow): 1. use the curl function in the project to call an interface and find that the response is slow. 2. change the host address to the IP address of the Interface Server, fast response? First, we made
0x00 Traditional SSRF filter
The traditional way of ssrf filters is roughly the following steps:
(1) Gets the URL of the input, extracting the host from the URL
(2) DNS resolution of the host to obtain the resolved IP
(3) Check whether the IP is
Zendframework publishing question: cannot resolve DNS? In zend studio9.0.3 under the development project: myzf, modified the apache httpd. conf, httpd-vhost.conf and other related content, and added 127.0.0.1 myzf.com in hosts, restarted
Summary of various DNS setup methods in the PDO connection database in PHP, Pdodns
This paper summarizes the various DNS setting methods in the PDO connection database in PHP. Share to everyone for your reference, as follows:
The DNS notation in
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