Changi NNTP Server 1.0

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Access Control

Four files are used to by Changi to support access control: nntp_access, user_access, ctrl_access and etc/passwd.

  1. You may choose to limit the hosts that can control the server.

  2. Further, you may not wish to allow certain hosts to query and / or post news, and restrict the newsgroups that can be accessed.

  3. Finally, you may wish to restrict the number of users who are allowed either to access the server in general, or to access a limited number of newsgroups. With this type of access permission, the newsreader must support user authentication. Note that NR/2 doesn't support this feature.

  4. While user_access contains human readable passwords, Changi is also able to use a system password file etc\passwd containing encrypted passwords. However, this feature is currently not available, because Changi is internationally distributed from US sites.

Debugging permissions

Normally Changi will log rejected client connections using the syslog daemon. If Changi is called with option -dP, it will output additional lines during the determination process.


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URL: changi/manual/xcessctrl.html
Created: 9 October 1996
Revised: 21 November 1996
Author: harald@os2point.ping.de