What is mod_expires? Mod_expires is an Apache module that will instruct web browsers on how to control the cache. With the mod_expires values, you will tell web browsers how long to keep images, HTML files etc. Such settings will result…
The list of loaded modules can be obtained easily if you have SSH access to the server. We will use the httpd command with the -M option. -M will output a list of loaded Static and Shared Modules. # httpd…
China is blocking many sites from around the world with its program called The Great Firewall. What is the Great Firewall? According to Wikipedia.org The Great Firewall is the combination of legislative actions and technologies enforced by the People's Republic of China to regulate…
What is Google DNS? A free, global DNS resolution service that you can use as an alternative to your current DNS provider.Google DNS Google offers two IPv4 nameservers and two IPv6 nameservers. These IPs are: #IPv4 8.8.8.8 8.8.4.4 #IPv6 2001:4860:4860::8888…
On many web servers, directory listing is disabled by default. The idea is that if you don't have an index file in a directory a 403 HTTP Forbidden Access error will be return. The client will not be able to…
If the component you are tying to install is not 100% compatible with the current version of OSSN (Open Source Social Network, you will get in many cases a 500 HTTP error. This page isn’t working demo.plothost.com is currently unable…