VAC is enabled by default on most Day of Defeat: Source servers via the parameter -secure in the startup line.
To disable it (not recommended), remove -secure or use -insecure in your startup parameters.
For Twisted Servers, reference their documentation or open a ticket if you are unsure how to adjust startup parameters.
In the TCAdmin2 control panel, locate and open your File Manager for Day of Defeat:...
Within the same server.cfg file, look for the line that starts with rcon_password. Set...
server.cfg: Main server configuration (hostname, RCon, basic gameplay settings)....
In the File Manager, open or create a file named mapcycle.txt in the dod folder (or root...
Download your custom map files (usually .bsp, .nav, etc.) from a trusted source....
