Post on 27-Mar-2015
transcript
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