Modifying the hosts file is a straightforward way to block specific websites by redirecting their addresses. By linking the site’s URL to a local address like 127.0.0.1, your system blocks the ...

Some are used for special purposes. For example, any IP address ending in 255 is a special broadcast address. Other addresses are used for special signaling, including: Loopback (127.0.0.1) when a ...

dblink_connect — opens a persistent connection to a remote database Only superusers may use dblink_connect to create non-password-authenticated and non-GSSAPI-authenticated connections. If ...

The determination of the client's user name is the security-critical point, and it works differently depending on the connection type. The drawback of this procedure is that it depends on the ...

前言对于自己上线项目的前端来说，nginx也是必须要了解和熟悉的，查了很多的nginx文章，看着写的都很详细，但是却没有了整体的概念。这里就重新梳理一遍，也理清思路。我们在安装nginx之后，会自动生成很多的文件，但是nginx.conf这个文件是我 ...