Newsgroups and Usenet

Achtung, das Originalformat war Star Office 6.0 (.sxi).Die Konvertierung nach PowerPoint (.ppt) ist nicht ganzreibungslos verlaufen, so dass vieles falsch angezeigtwird!

Newsgroups and Usenet

What is a newsgroup?

DE

COMM (communications)

REC (recreation)

ADMIN (administrative)

SPORT

TV

How to find a specific group?

Newsgroups and Usenet

What is a newsgroup?

How to find a specific group?

- e.g.: de.comm.software.newsserver

- miscellaneous: de.comm.software.misc

Installation and configuration of newsservers

For topics without an own group

Newsgroups and Usenet

What is the Usenet?

- Union of different newsgroups - The big 8

comp rec misc newssocsci talk humanities

- Country identifications e.g. de, ch, at...

Newsgroups and Usenet

Not belonging to the usenet:

- microsoft.*

- z-netz.*

- maus.*

Newsgroups and Usenet

Many different servers

Free Servers e.g. news.fu-berlin.de

Access restrictions

Exchange of articles between servers

Newsgroups and Usenet

Rules of behaviour:

- correct citing

- no HTML

- real name, correct E-Mail-address

Netiquette:

Newsgroups and Usenet

Newsgroups and Usenet

Newsgroups and Usenet

Newsgroups and Usenet

Newsgroups and Usenet

Newsgroups and Usenet

Newsgroups and Usenet

MIME: Multipurpose Internet Mail Extensions

Newsgroups and Usenet

Threading

- unique Message-Ids- References Header

Threading

<934jh$1d$1@gmx.de>

<9vi9em$fq$1@marclanger.de>

<123ghja5854@whatever.com>

Message-ID: <9vi9em$fq$1@marclanger.de>References:<934jh$1d$1@gmx.de>

<123ghja5854@whatever.com>

Headers of news articles

From: marc@marclanger.de (Marc Langer)Subject: Re: some topicDate: Tue, 18 Dec 2001 08:12:45 GMTNewsgroups: de.testMessage-ID: <9vi9em$fq$1@marclanger.de>References:<934jh$1d$1@gmx.de>

<123ghja5854@whatever.com>MIME-Version: 1.0Content-Type: text/plain; charset=ISO-8859-1Content-Transfer-Encoding: 8bit

Newsgroups and Usenet

Rules for creation and deletion of groups

- Request for Discussion (RfD)

- Call for Votes (CfV)

- Result

- if successful: appropriate action

control messages: PGP signed

Newsserver

- Standards (NNTP)

- Newsfeeds to other servers(flood fill)

- UUCP: Unix to Unix CoPy

- Satellite feeds (20 MBit/s, 150 GB a day)

Newsserver Configuration

- Example: INN 2.2 on Debian

- Configuration files in /etc/news:

* inn.conf (domain, hostname) * control.ctl (verification of controls) * incoming.conf / nnrp.access * newsfeeds

- Manual group creation: ctlinnd newgroup de.group.name