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Monday·09·October·2006

Fedora Legacy useless? //at 15:16 //by abe

from the we-provide-updates-only-if-we-provide-updates dept.

For a (much too long) time, we ran our three AMD 64 bit virus scanners and spam filter boxes with Fedora Core 4. Since the the official support ended a few months ago when Fedora Core 6 Test 2 came out, so we decided to switch them over to support through the Fedora Legacy Project.

For testing purposes we first switched over one of the three boxes. But the test failed: Although the changes (as documented on the Fedora Legacy home page) seemed to work fine, not a single update came until the end of last week, even though there were partially remotely exploitable security issues in OpenSSL, OpenSSH, gzip, etc. during that time. There were also no announcements on the list since FC4 switched over to the Fedora Legacy Project, not for FC4 nor for any other distribution maintained by the Fedora Legacy Project.

So what the heck does the Fedora Legacy Project if not security updates?

I would be very happy if I could switch over those boxes to Debian or even Ubuntu, but there’s no BiArch support (running 32 bit applications on 64 bit operating systems transparently) in Debian (and therefore neither in Ubuntu) yet without a lot of manual fiddling and chroots, so we can’t run our 32 bit virus scanners on those 64 bit boxes with a debianesk operating system yet.

Today we’ve upgraded the last of those three boxes to Fedora Core 5.

Filed under: Blogging is futile » English » Computer » Fedora » Fedora Legacy useless?
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Thursday·02·March·2006

Can the spam problem be solved? //at 02:23 //by abe

from the never-say-never-again dept.

Many have tried to solve spam problem, even Micrsoft (with a quite strange solution ;-), but except personal solutions like well working and well-kept spam filters, no well-working general technical solution has been found yet.

Although I really would like to see a technical solution and often think about this problem, I currently believe that this primarily is a social problem which cannot be solved solely with technic. UserFriendly’s Erwin seems to see it the same way and proposed today a quite drastical solution.

There are good ideas out there (e.g. SPF, RBL, Greylisting and Teergrubing), but all seem to have their problems, too. Especially RBL often have administrative problems, i.e. if an entry is justified or not. Greylisting simply can be bypassed by being SMTP conform and trying again, so it’s usefulness will decrease permanently. And against Lutz Donnerhacke’s teergrubing, spammers seem to have found workarounds quite quickly. Haven’t heard much about it in the last years. (I just can’t remember what the drawback of SPF was.)

For myself I’ve solved the spam problem with a learning SpamAssassin and sorting mail by spam-level into several mailboxes. The higher the spam-level of such an inbox, the more seldom I look into it. Works fine. For me. No general solution though, since the SpamAssassin needs to be fed with fresh spam regularly.

Filed under: Blogging is futile » English » Computer » Spam » Can the spam problem be solved?
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Bei manchem Spam ist man froh, daß SpamAssassin ihn nicht erwischt… //at 01:38 //by abe

Aus der Lustiges-in-der-Inbox Abteilung

Mir ist zwar noch nicht klar, warum der SpamAssassin diesen Spam nicht erwischt hat, aber ich bin froh drüber. Denn diese automatisierte Übersetzung ist zum totlachen:

Date: Wed, 21 Sep 2005 13:17:30 +0000
Subject: LifeProfit Inc.
X-Spam-Status: No, hits=1.6 required=5.0 tests=BAYES_44,DNS_FROM_RFCI_DSN,
        HTML_MESSAGE,MIME_BOUND_NEXTPART,MIME_HTML_NO_CHARSET,NO_REAL_NAME
        autolearn=no version=2.64

LifeProfit Inc. kann Ihnen helfen, Ihre Traume zu zwingen, sich, bekommend
das monatliche Gehalt, das das Internet einwirkt, zu verwirklichen.

Um mit LifeProfit Inc. zu arbeiten, brauchen:
? Ein B?rger Deutschlands zu sein
? das Vorhandensein der Rechnung in der Bank
? die Vereinigung des Computers zum Internet
? ist ein wenig es Ihre freie Zeit

Wie es arbeitet:

Arbeitend f?r uns wie die Bezahlung, Die den Manager bearbeitet, werden Sie
Teil Aus der neuen Tendenz im weltumfassenden Banksystem. Die Pflichten Die
Lage ist einfach, und das Einkommen hangt nur von Ihren Bem?hungen ab.

Sie Sollen - die Zahlungen der Sendung zwischen unseren Kunden, die Ihr
Interesse von jeder Operation bekommen, machen.
Hauptsachlich werden es 5 %, mit jeder Sendung, die Ihr Interesse z?chten
wird. Unsere Kunden bekommen 1000 EURO zu 20000.

www.lifeprofit.com

LifeProfit Inc. sorgt sich um Ihr Bl?hen. Machen Sie Ihr Leben besser
zusammen mit der LifeProfit Inc.!

Und daß Postbank und Deutsche Bank jetzt zur Deutschen Postbank fusioniert haben, weiß ich auch erst seit dieser netten Mail:

From support@deutsche-bank.de Tue Sep 20 21:53:14 2005
From: PostBank <support@deutsche-bank.de>
Date: Tue, 20 Sep 2005 15:45:19 -0400
Subject: PostBank online banking
X-Mailer: Microsoft Outlook, Build 10.0.2616
X-Spam-Level: ****
X-Spam-Status: No, score=4.7 required=5.0 tests=BAYES_50,FORGED_OUTLOOK_HTML,
        FORGED_OUTLOOK_TAGS,HTML_MESSAGE,MIME_HTML_ONLY,RATWARE_RCVD_PF
        autolearn=no version=3.0.2

[-- Attachment #1 --]
[-- Type: text/html, Encoding: quoted-printable, Size: 3.3K --]

[-- Autoview using /usr/bin/lynx -dump -force_html '/home/abe/Mail/tmp/muttu0uPo7' --]

   Sehr geehrte Damen und Herren,
   In Verbindung damit, daß wir in unserem Land in eine schwierige
   Situation mit online - Banking geraten sind, wurde uns empfohlen, alle
   online - Konten von unserer Bank zu kontrollieren, um die
   "Tageskonten" festzustellen, die von den Betrügern dazu benutzt
   werden, das gestohlene Geld zu waschen. Demzufolge bitten wir unsere
   Kunden inständig, das Formular einer Kontobestätigung, das sich auf
   unserer offiziellen Web-Seite befindet, auszufüllen.
   Jene Konten, die bis zum 27.08.05 auf diesem Formular nicht angegeben
   werden, werden bis zur Feststellung der Bedingungen ihrer Eröffnung
   und Benutzung blockiert. Diese Revision betrifft sowohl die
   Privatkunden, als auch die Firmenkunden.

   Wir bitten um Verzeihung für die Unannehmlichkeiten, die wir Ihnen
   bereitet haben, wir hoffen auf Ihre Hilfe und gegenseitiges
   Verständnis.
   Mit freundlichen Grüßen,
   Sicherheitsabteilung,
   Postbank.de
      © 2005 Deutsche Postbank AG

References

   Visible links
   Hidden links:
   1. http://postbanking.net/

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Klasse, nicht?

Filed under: Blogging is futile » Deutsch » Computer » Internet » Spam » Bei manchem Spam ist man froh, daß SpamAssassin ihn nicht erwischt
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Hackergotchi of Axel Beckert

About...

This is the blog or weblog of Axel Stefan Beckert (aka abe or XTaran) who thought, he would never start blogging... (He also once thought, that there is no reason to switch to this new ugly Netscape thing because Mosaïc works fine. That was about 1996.) Well, times change...

He was born 1975 at Villingen-Schwenningen, made his Abitur at Schwäbisch Hall, studied Computer Science with minor Biology at University of Saarland at Saarbrücken (Germany) and now lives in Zürich (Switzerland), working at the IT Support Group (ISG) of the Departement of Physics at ETH Zurich.

Links to internal pages are orange, links to related pages are blue, links to external resources are green and links to Wikipedia articles, Internet Movie Database (IMDb) entries or similar resources are bordeaux. Times are CET respective CEST (which means GMT +0100 respective +0200).


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