File Permission category have posts related to granting correct set of permission on files residing on server. How to grant file permissions, their related security concerns, etc. is well described.
Prevent access to files in a directory using file type and htacess – all about website security5
Changing File Permissions
Htaccess category have posts related to making updates or changes in website or controlling the website through the use of Htaccess file. The posts in this category are helpful and can be applied on apache servers or in linux based hosting environment only.