1. The following directories: data, temples, uploads, a set read-write and non-executable permissions. The a directory is the default save path of the document HTML, which can be changed in the background;
2. The following directories: include, member, plus, and dede are set to readable, executable and non-writable permissions. Among them, the background management directory (default dede) can be modified by yourself; 3.
If you do not need to use members and special topics, you can directly delete the member and special directories;
4. Delete the install installation directory;
You can create a new channel administrator, and only give relevant permissions;
6. Mysql database link, do not use root user, create a new user separately, and give: SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, CREATE TEMPORARY TABLES 7. Regularly
back up website directories and databases, and perform file verification, virus scanning, and system error repair in the background.