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nfilter : A Client-side Usenet News Filter

FAQ updated: August 19th 1999

Latest beta version: 1.2.1, April 1st 2001

What is nfilter?

Nfilter is a supplemental filtering program to your existing newsreader. It is designed to run transparently alongside any client for Windows such as Outlook Express, Agent, Netscape, etc.

It is a 32-bit windows console application which will run on Windows '95, '98 or NT. It is especially useful if your newsreader doesn't have any filtering capabilities (eg. Netscape). Even if your news reader has filtering capabilities (eg. Agent), the filter can perform more advanced filtering on fields that are not normally available to your newsreader.

Nfilter is capable of filtering on any fields that appear in the header of a news article, not just fields in the overview (normally news clients can only filter on author, subject, etc). For example, it can filter on path (eg. all posts from news.foo.net), newsgroups (eg. all posts cross-posted to alt.foo), nntp-posting-host, etc, etc.

Nfilter does this by acting as a local news proxy. It takes commands from your news client and passes them on to your news server. It analyses the list of message headers returned by your news server and, based on the filter rules that you write, either drops the headers so that you don't see them or marks them with a flag to let you know they are filtered.

nfilter and these web pages are maintained by Mark Burkley, copyright © 1998-2001

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