A door is an external program (such as a game) that can be started by the BBS. Popular doors include call-back verifiers, games, time banks, etc. In general a program must be designed to operate in conjunction with a BBS program. A number of de-facto standards exist to help facilitate transfer from the BBS to the door (and back).
You must create a Door Configuration for each external program used by your BBS. The door configuration contains all of the settings necessary for the BBS to successfully (and safely) execute the door. Read more...
You can use several special macros when defining paths and command-line parameters. For example, the *W macro expands into the windows socket handle for the current telnet session. Read more...
A drop file is a data file generated by the BBS before executing a door. The drop file allows an external program to get information about the user or connection without knowing anything about the calling BBS. Read more...