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1992-09-26
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= Volume 1 , P/HUN Issue #2 , Phile #4 of 9 =
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Hacking In Holand & The Numbering Plan
--------------------------------------
By: Rop and The Key
In Holland, hacking started out late. The first real hacks were
done in the early eighties. Among these hacks was the 'RIVM hack',
hacking the computer of the dutch health-inspection (FDA). Because
even patient names were listed here this got a lot of publicity.
Around 1984/1985 the movement grew rapidly because of the movie
'Wargames' and publications in the "Volkskrant", the country's major
left-wing newspaper. It was around these days two students hacked the
'008 computer', the directory-assistance system, owned by our local
Ma-Bell clone, the PTT. Because hackers had access to a lot of
unlisted phone numbers this was front-page news in all of Europe.
Shortly after this hack, Jan Jacobs published the book 'kraken en
computers' (hacking and computers), about the uprise of the hacker
movement in The Netherlands. Jan Jacobs is also a free-lance reporter
for the 'Volkskrant' which explains their scoops on major hacking
events. In those days, he himself was a hacker.
Things remained relatively quiet, although the CCC kept scaring
everybody with their marvelous hacks all over the world over the
packet-network. X-25 hacking in Holland is relatively new, not because
the net was not there, but because it was still to easy to use the
telephone. Only recently dutch hackers discover that the X-25 net
offers them the opportunity to make low-cost global hacks.
Another group had sprung into life in the early eighties, phreaks.
These phreaks concentrated on mobile phones however, because our ATF1
(car-phone 1) system is as leak as a basket. Using a CBM-64 or other
simple hardware and an FM-tranceiver, every weirdo could make free
calls all over the world. This lasted until there were so many illegal
car-phones that the costs began affecting the total PTT turnover.
The PTT then made it impossible for car-phone users to make
international phone calls automatically and told their international
operators to check for fraud carefully. By that time all the phreaks
were rich from selling their technique 'to friends only', and bored
stiff, because the PTT had taken their toy away. There was a new
system, ATF2 (compatible to the scandinavian NMT system), but this was
to complicated (in those days) to hack (considdering these people were
not computer minds but mainly high-frequency experts).
The phreaks met the hackers and they decided their goels were the
same.
The PTT phreaked out when the world found out that some of the leading
hackers had switched to phreaking. When Personal Computer Magazine
published an article about phreaks making free calls all over the
world through an old exchange in Denmark (which could be reached free
of charge), all hell broke loose. The magazine contained our list of
frequencies for the CCITT-4 system, so suddenly everybody was a
phonephreak. The free lines to Denmark were rerouted, some other gaps
were closed, but no action could be taken against the phone phreaks
(The Key and me among others), because no phone-fraud legislation
exists in Holland. Can you imagine what it's like to live in a country
that has NO phone-fraud laws?
Since then things have cooled down (there are only about 40 real
active hackers in the entire country, so things tend to get quiet
every once in a while), but as soon as anything happens, we'll let you
know.
ROP & The Key
Leave a message for ROP GONGGRIJP at NEABBS, Europe's biggest BBS, and
I will give you THIS (The Hacker Information System) privs as soon as
possible. +31 20 717666, all speeds/standards.
---------------------------------------------------------------------------
- AND NOW PART TWO OF THE DUTCH SYSTEM, BY ROP & THE KEY OF NEABBS !!!!!!!-
---------------------------------------------------------------------------
NUMBERING PLAN
The dutch phone system has a numbering plan that is far more
complicated than the american phone system. Telephone numbers can be
divided in several classes:
0XX-YYYYYY[Y] Larger cities. XX is random (very large cities
have a 0 as their last digit).
0XXYY-ZZZZ[Z] Smaller towns. XX is the number of the district
(note: these numbers cannot be handed out to
bigger cities). Holland has some 20 districts,
amsterdam is 29. (the Amsterdam city code is 020)
00X
001X Special numbers, see below.
06-0XXX Free numbers
06-0XXXXXX Free numbers
06-022XXXX International Free Numbers, connect to foreign
companies etc. (we even have a number for
making AT&T calling card calls for free,
06-0229111). When all european borders
disappear in 1992, this group is expected to
grow rapidly!
06-3XXXXXXXX Special high cost numbers, mainly phone-sex (the
owner gets 2.5 $ct./min, the PTT gets 22.5. This
makes the PTT the country's biggest pimp)
06-4XXX Free numbers, explosive. (This means a lot of
traffic at one time, TV-shows and the like)
06-4XXXXXX Free numbers, explosive.
06-51XXXXX Beepers (sorry, paging equipment)
06-52XXXXXX ATF2 (mobile phone system, NMT compatible)
06-524XXXXX ATF1, West and Middle Netherlands
06-525XXXXX ATF1, North Netherlands
06-526XXXXX ATF1, South Netherlands
06-8XXXXXXXX Split costs, the caller pays a portion of the
costs, the called party pays as well (80%+80%=100%
according to phone company arithmatic)
06-9XXXXXXXX Special high cost numbers, no phone-sex
09-....... International access. For the States i.e., we dial
09-1XXXYYYZZZZ. Our country code is 31.
SPECIAL NUMBERS
---------------
002 Speaking clock
003 Weather
004 PTT-customer service (contradictio in terminis)
005 was the mobilophone network (pre-carphone mobile
operator service), now tape telling callers that this
service no longer exists.
006X Used by PTT for mechanics to call in. 0069 always
plays a tape listing the home-phone number of the
mechanic on duty for that region.
007 PTT-repairs (uses pigeons for further internal
communication, judged by their working speed)
008 Directory assistance
009 Was message service, for telex and other services,
their new number is 06-0409. tape.
0010 Was national operator, now 06-0410. tape.
0011 Once planned as a countrywide emergency number. Once
they got to installing it they had the 06 exchange,
which was newer and better, so the discussion started
again...... tape now
0012 Telex number info
0013 Telex repairs
0014
0015
0016 Was international operator, now 06-0410. tape.
0017 Post office customer service
0018 Was international inquiries, now 06-0418. tape
0019 Dead
TARIFFS
-------
A toll-impulse costs 7.5 $ct, impulses are 50 Hz/48V pulses on both
lines (tip and ring, called A and B here), so can only be detected
relative to the ground potential. On modern exchanges you have to pay
for these pulses, as well as for the DTMF-facility (sound familiar?).
Calls cost more in the day time (0800/1800 hrs), than on weekdays.
Within your low-tariff zone (about 30 miles around your home), it's
one tick every 5 minutes, or once every 10 minutes at night, outside
of that zone one tick every 1.5 minutes, 45 seconds at night.
International calls from Holland are terribly expensive, USA costs
$2.00 a minute, but there's a lot of countries that cost over $3.50 a
minute.
SPECIAL THINGS (everybody has some)
--------------
030-555555 for conference calls (operator only, she calls you back,
so phreaks are out of the question). The do-it-yourself
conference has not been invented here (yet).
06-0101 All sorts of special services, addresses from the phone
book (costs $1.25 to get an address!) etc. Also national
collect calls ($2.50 bonus for PTT, $1/min)
*XXX*.....# Some exchanges have this feature. It means you redirect
all calls for your phone to the given number (dots). PTT
offers this service for a lot of money as *21*....#, but
this is different. With the *XXX*...# feature the phone
doesn't ring on the redirected phone (with the *21
feature it does three times before forwarding the call).
The *XXX*....# feature is a non documented feature, even
at the PTT not many people have heard of it. Alas, not
many exchanges feature it. The XXX can easily be found
because if you're one digit off the system reacts with a
nonexistent-tone (three tones, each one higher than the
preceeding one), so there's only 30 possibilities.
Things like call-waiting, or even specified bills do not exist here
(yet). When they come, they'll be expensive, that's for sure.
PTT POLICY
----------
The company has a monopoly on all telecom facilities that expires next
year (1989). Up till now we could not even buy our telephone sets
somewhere else (legally). People finally realised this was ridiculous
and decided to privatise the PTT Telecommunications department. The
PTT remains in charge of the network however, and they can continue
charging ridiculous amounts for it. The state monopoly is enabling the
phone company to suck money from our pockets.
HACKER POLICY
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Redirect phone lines to other numbers (they don't even know it exists,
we do it all the time, to receive free collect calls). This trick
courtesy of The KEY.
Route calls through other countries to make things cheaper. (Spain was
our favourite before they closed it off).
Generally screw 'em......
ROP & THE KEY
You can reach me on NEABBS, Europe's biggest BBS, +31 20 717666, all
speeds/standards. Send a message to me, ROP GONGGRIJP, cosysop of THIS
hacker board (The Hacker Information System).
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
DOWNLOADED FROM P-80 SYSTEMS 304-744-2253
Downloaded From P-80 International Information Systems 304-744-2253 12yrs+