News archive September 2001 - Koos van den Hout

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2001-09-27 (#)
I got an ipv6 tunnel from xs4all over my adsl link. Getting it to work was the more interesting part..

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2001-09-25 (#)
Received the adsl stuff from xs4all.. more bandwidth for a better price (and xs4all as ISP-with-lots-of-clue). Xs4all uses the Mxstream network with Alcatel Speedtouch ADSL modems with PPTP as transport between computer and modem. So I use the Linux pptp client to log in and stay online.

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2001-09-25 (#)
Back from a weekend in Schotland. Pictures online but you'll have to ask nicely for the URL.

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2001-09-19 (#)
The latest and greates in worms for Windows (this time using all available transport mechanisms) can be filtered in sendmail too (only the spreading via mail of course). Ben Gertzfield wrote a filter based on my earlier filters.

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2001-09-17 Security versus ease-of-use
After the recent events in the US (events that shocked me a lot)
security at airports has been 'beefed up' a lot. No more 'curbside
check-in', better ID needed and a lot more visible security personnel
at airports.

Given the fact that the terrorists boarded the planes with correct
identification (for as far as is known at the moment) this change
in security policy might not have prevented the attacks.

But it might be that the interest is in a better feeling of security
and not in security by itself. Peoples sense of security has been
shocked because of the recent happenings. Since the WTC bombing in
1993, no foreign terrorist attack has happened in the US. People
felt safe in the US, only seeing terrorist attacks on TV news
happening in foreign countries (and not seeing much of it since US
newsreports don't have as much foreign event coverage as I am used
to in the Netherlands).

It is important for people to have a sense of being secure in their
daily lives. It makes our environment predictable and a predictable
environment takes a lot less energy in dealing with it.

So people like the extra checks that happen, giving them a feeling
that a repeat of the events is not very likely.

But, given time, when all the recent events have faded, people will
be annoyed at the amount of time needed to check into a plane.
People fly because it's a fast way of getting from A to B. Especially
in the US where it is the fast way of getting across any large
distance. There are people in the US who commute by plane.

This is where the 'security' versus 'ease of use' pops up again.
In a 'security' sense I'd like the computer I am typing this on to
make sure at every keypress whether the typing fingers are mine.
In a 'ease of use' sense I'd like the computer to be ready for my
typing as soon as I pull up my chair.

The solution I use is somewhere in the middle, my screensaver
automatically locks my screen when I am not using it for 5 minutes
and I manually lock it when I'm walking out of my office. At this
moment this level of security satisfies both my wish for security
(I don't want anyone to be typing as me) and my wish for ease of

Airport security and computer security are a bit alike.

Before I go further on this: I do not want to compare the (possible)
results of a computer break in with the results of a airplane
security breach as we saw last week.

Airport users and computer users want ease of use. The airport and
the owner of the computer only want to let in authorized users with
no malicious intent. They both want to serve the valid users and
please them. The airport owner has a commercial interest in letting
his customers return. The computer owner does not want his users
complaining about the idiot security measures.

Security is a dynamic process. At this moment airport users want
the extra security measures. In a few months they will be calling
for 'curb-side check in' to be restored.

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2001-09-17 (#)
The Irregular about Security versus ease-of-use in computers and airports.

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2001-09-11 (#)
Today will live on in history as a day of planned attack on the heart of the US.

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2001-09-10 (#)
I started writing a sort of column which I named The Irregular.. the first one is about truth being stranger then (cartoon) fiction.

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2001-09-06 The planet demolisher
This is my irregular writing, just because I sometimes like to
write down something. It might be about work, it might be about
something that happens to me or something I observe. The language
may be Enlish or Dutch depending on what I feel like and what the
audience may be.

I like to watch cartoons. A few years ago I got a steady diet of
cartoons on Cartoon Network, including a lot of Dexter's lab and
Cow & Chicken. TV schedules changed, my interests changed so I
don't watch them as much as I used to. (Depending on who you ask
this may be a healthy development :)

In one Cow & Chicken cartoon is a big machine which is for as far
as I can recall named a 'planet demolisher'. It grinds down entire
trees into small chips of wood with a high speed. Chicken drives
it around in the cartoon since he thinks he saves everyone from a
horrible fate, demolishes the surroundings of the school. The result
is that Chicken is grounded for the rest of his life and finds out
the big machine was busy for the swimming pool of the school.

This 'planet demolisher' seems to be a product of the deranged minds
of the cartoon writers.

But, a few days ago I got this feeling of truth being stranger then
fiction (isn't it always) when I saw a big machine behind the
Galgenwaard soccer stadium chipping the remains of the trees that
were there. Quite big trees were picked up and fed into a large
woodchipping installation that had no trouble at all grinding down
those trees. I watched for a while to see whether any of the larger
trees could stall the machine but it ate through everything (the
operator probably knew very well what he was doing).

A few days later I saw an even bigger version of that machine that
delt with the trunks of the tree. With no problem those got grinded
to little woodchips too.

So, the conclusion seems to be that truth is stranger then fiction,
even with cartoon fiction.

2001-09-06 (#)
The cute feature of the webserver at home is that a nice dynamic dns hack is used in order to update the dns (since casema likes giving out very random dynamic addresses).

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IPv6 check

Running test...
, reachable as PGP encrypted e-mail preferred. PGP key 5BA9 368B E6F3 34E4 local copy PGP key 5BA9 368B E6F3 34E4 via keyservers

Meningen zijn die van mezelf, wat ik schrijf is beschermd door auteursrecht. Sommige publicaties bevatten een expliciete vermelding dat ze ongevraagd gedeeld mogen worden.
My opinions are my own, what I write is protected by copyrights. Some publications contain an explicit license statement which allows sharing without asking permission.
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