From Verywiki-EN

Presentation

zBlock was first developed as an addition to the "CSP" server plugin, at this time VALVe had accidentally let a convariable slip that would allow players to "wallhack".

"CSP" (CAL Server Plugin) was a server plugin that enforced certain convariables that could either be exploited or created an unbalanced/unfair playing field.

Another feature of zBlock was to make CSP more difficult to bypass, however not too long after release, we determined that instead of making CSP more difficult to bypass, we should instead take on board the functions CSP had due to the significant ease at which is was bypassed.

zBlock is now one of the most used CS Source server plugins all around the world, enforced in the majority of competitive leagues around the world it's become a plugin you can't imagine CS Source without any more.

How to install zBlock

1. Download latest zBlock version from (http://zblock.mgamez.eu/files.htm).
2. Unzip compressed file, you will find 6 files "readme.htm" "zblock.dll" "zblock_i486.so" "zblock_css.vdf" "zblock_dods.vdf" "zblock_hl2mp.vdf".
3. Go to "cstrike" folder into your gameserver FTP.
4. Create "addons" folder if it doesn't exist.
5. Copy files to your server into "addons" folder:
   1. Copy zblock_i486.so"
   2. Copy"zblock_css.vdf"
6. Now restart your gameserver and zBlock should now be active.