2600: The Hacker Quarterly (Volume 4, Number 9, September 1987)

8/9/2019 2600: The Hacker Quarterly (Volume 4, Number 9, September 1987)

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6 UJoin the 51f of It s smpl.Jut comple any normo you hv s S undndbl d to W wll lo cep frmn o s tdo

W n: Prl log t s Pl o cmt s

R Ls f t s k Ut trl < tru ss Dt o r M cm ks Any n lgt would like: Lgtm to varous ompu s

You to coninue sen yo oen

quo

Yo to connu o nd pn pps magzie

Yu hep kep s infredThings we could alays use:* rnrs coms, ts t Vs* Mor mrzd q* A b mom you send r al. pe rql ww t rit f yu s us d mke e sle d wt tWe y o tr ll nt Prs t l hn W lso p pl t vrts Ca fo moe etl

A ontrbuors. plea sn ou gif o Box M Isand. Y 5 r l 55

1987 2


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tresure s you th through this issue, youmay notce that we've used a few oregraphcs and dspays than we have inte past. Ever since we startedbshng n /94, peope hve beensending s interestng artacts copies of

ther pone bls, nast etters fro phon copanes stp etters fropho copanes pctures bits of dat,drawngs of a sorts-the st goes oA t pe gets biggr. We, our piehas been ontng and we fgured t waste to o soethng about t; naey,to prnt soe of these fascinatng

In the past, soe of our readers hvesid tht there re too mny ges ofstright text in 2600-they eed breakow nd then Tt' why we'e decideto gve yu an idea f the kinds of thing

we can use in the futurehere's no reason why we can't havepictures of strange teephones or argecoputers in every issue e have theaby to print the soethng weddn't have year ago. we need arethe peope o fnd interesting shots getthe on f, and send the n Odds

ntind n

Editor and Publisher

Eric Corley

Ofic Managr

Peter Kang

Cover A

Tsh Vater Kh

Witrs: John Drake, Paul Estev, Mr French, Emmanue

Goldstn, hester Homes, The K ompany, Lex Luthor,Bl frm RNO, Davd uderman, Berne S., Mke Sernlent Swtchman, Mke Yuhas, an the usua annmoubunch.

Pcn Mke DeVoursney.Caonsts Dan Hoer, Mie MarshallE E H

2600(ISN 0749-351) ISpuhlised /O}" h' 260 trprie.\, Inc 7 tro: e tauket NY 11733 .)econd class post/ permit pndin t Setauket. ,V' }rk

POTMATER: Send addres changes to 26001 Box 752. MIdle land NY 11953752Copyrit 1X 0 Enterpise. c

Yearly subscription: ad aaa l 5 idvdal. $4 cororaeOveseas 5 dvdl 55 cpateBak isue available at $5 per yea er yea vaDDRE LL UBCRIPION OEPEE TO: 60 ubscritio Dpt PO Bx 5iddle lnd NY 11955

!or lete and article sbmision write to: 2600 ioril ept Box 99 iddle landY 1195375epone (516) 51-20

2600 187 P 3


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W d [email protected]

First off, let me say hat I am on te oter sideof te fence. My job is to make sure te system I

wor for is secure and ta ee are no acers orcrackers ting to do dae o te yst I am

ployed to defend. n one insanc, assistedte police in collecing all e necessaynformation to create a cout cas agains acracker. Te kid in question (a ig scooltudent) nded u getting a year of civil work. Iubscrib to ti magine not to lea ow to doomeing llegal bt rae o lea wat otersare trying to do to me. Knowlede is tool and byiding a tool you gain noing. Terefore, I ave

decided to explain ow inteational comuternetworks work, ow tey are tied togeter andwat service ou can ope to reive frm t.

Tere are dozens of computer networks-aof spawning off te grandfer of alltworks: Arpanet. oda, t as grwn so largetat it is known as Te Inteet. As more andore network begin to itrconnct tconcept of a Worldnet bomes feaible.

Bic nA uer ar known by tr variables: userd,

onam, ad ntork. A usrid can be terson's initils, or te erson lat name, ornting else te person dided uon wen eoened i comuter account. A nodename iso kown as a ostna. It igntes tecomuter uer is using. Te networkdcate wic of te two doen or o networkse computer is connected to. If you look at myame at te to of tis article, you wil see tat erid is Hank, my nodename is aunivmtat i in Israe, in case yo were wondering),nd m network i caled Bitnet. nodenamend networ section of a user "andle as beendergoing a transfoation in te ast far and tis i be exlained ater.

T on common rotocol tat ntworklk s ometing called RFC822 tndard mail.itin individual newoks tere are oterrotocols wic wi be covered were nessa.

Arpan Tis network s based on protocol caled

Tc/lp. (I know tere r ple ot teeading ti and saying, Wat do cp/lp standfor? But I do no ink it is mortnt to know

Page ptmbr, 17

at te etr and for. Wen it i iotat I wil exa t.) It allows for tre maorapplications FTP, SMP, and Tenet. FTPstands for Fi Transfer Protoco nd ows user on one macine to extract a fie from an

oter macine on te etwor (assuming youknow t read passwod) or allows a usr to writa file onto any oter macine assuming you knowte write password fo te destination user andmacine. SMTP stands for Simple ail TransferProtocol and ows srs to snd electronc maialmost anywere in te orld. elnet is a rotelogin application. t is ot elent ut it oesasica t am ting. You cf temacine you want to ogin to, an Tnet akete connecto from your macin to t one ospified.

Most ink witn Araet r 56k aines altoug tere ar cases wer t ma eiger or ower. ere are oer twork tat aremodelled after Arpanet Cnt omuterScienc ntwok), Nfet Nation cincFoundation Networkwic iteconnects percomputers in te United State), and fesmaler ones. Csnet, up unti recent, usedrmari X.5 connctions T toestablis connection. ey are now wtcingmore and more links over to leased teponenes. Nsfnet ue primarily 1ie wic run at1b er second. In case you wr woringAanet stnd for Advanced Reerc ProectAgency and is owed by te .S. goemmentAl of tese networks use te Tcp/ rotoco anae terefore rt of an evergrowing Inteme.

Bit Ts network sans 27 countries (.A.,

Cnad, Wst Grman, Franc, Ital, eNeterand, Fnland, Denma, Sain, Turkey,Israel, Jaan, Mexico, aiwan, to name a fw)and as over 1800 computers inerconnected. It

us protoco ifferent tan Apat but t ocommon lnguage tey alk is eectronc mail(RFC822). e Euroean segment of te netwois called EARN (European Acadic ReearcNetwo) and t Canadian ecton is caedNetNort. A links witn BitnetEARN/NetNort are 9600 baud leased lines itnettands for ecu It Tere or ecause It Tim It ee o wo ou ask. Bitnet i ot


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Cls vy yhe largest etork comper hosts ut s thlrgest mr o coected countries. I ouare an academc istitution or a research la allou ned to do is pa a membership fee per earto Btet I c ares etwen $,000$0,000)

and order a leased line fr Telco to ur nearesteigbr that has a cnntin to Binet.

UUUnix to Uix Cp Proga Newk is a

freewheeling, anarct newrk It isunknwn how an cutes are cnnected tots etwk ut estiates va fr 4000 to0,000. Latel s anizs are tin to utse order into UCP I t is a slw and grueling

procss ut oe that I hope they will succed att has the orst reptaton for al delve

here delas ca e sometmes a week and t sot rquet that the sst loses the mal.

z w

bg bb "

OthsHe a re list o soe of the other

etworks that share RFC822 mail:

MFENET Magetc Fusn Energ NetworkSAN Space hsics Analsis NetworkJANET Eglads Natonal Acadc etwrkVNET IBM's corporate nteral netwrkEasnet DEC's crrate inteal netwkEUnet Europea sectin f U UCP

There are an he saller netwrks thatare starting to get off the rund but as ou wllsee later o the wld of netwoking is mving

awa from the cncet f a "xxxxNet t ne thatpses a herarchcal structure n all networks

hen ou add up all the networks and al themaches that ca exchange RFC22 mail theumer of maches fro a VAX 730 up to aCra X/M) approaches 20000. Soe f thear sstms ha ,000 regstered users o ms h more tpicall t s around rs ha means that as a rugh

estmate, there are abut 40 illon usrs thtare accessble va RFC822 al. This gros eager wen ou cosder tat the aexperiental gatewas that allw netwrks likDalcom and MCI Mal t pass RFC822 al nto

the Internet and vice versa (n I wll ot tell ue thy are r hw t s t). Mst f teuss ae students fesss, acadeics,r sea rce rs and sc l adin i s t ra t i onpersonnel. nube o cate uss, likeIs 200,00 Vnet users ny ake up abut0 percnt t netwrk. Wat aks isWrldnet sste s attaci is tat r a lagepat it is t se. unieiy r te

cpan as Telco fr a lead line andconects to the network of eir coic. Teusers of the nwl conected cute ae thgve free access to the network certainersites ipose access rstricins on therusers) European stes will s be undergng asevere hardshp Their Ps will rquire voluecarging, so each ste will hae t rstrict usageb ter users. At present chain b Eurean

Ts s stll n a leased lin nly cst.Snce it is a free sst abse is closel

ontoed For exaple it s cnsidered badmanners to start a can lt in te netwsince i can qickl grow to satuate te net.Users are caut and n genal y undstandthat disrptig te etwo will onl cause teirr and genune mal to be delaed als

Addrs

Now for a bref tutorial on how to read newokaddresses. All R FC22 mail addresses arecosed f a LS and a RHS Left Hand Sideand Rig and Sid). You lk at the addressand sca for an @sign. his is te searatorbetween the LS and te RS. The LS scnsdered te lcal part of the addressExaplesank

Jon Sitsteve%hbo. Al RNETpilco!su!unai!joh

These are all samples of HS addresses Thfrst two are sple usrds. The third one s agatewa. It sas that there s an direct netorkcalled AI RNET that has a machne on it calledho and ou wish to cotact the user nad

(cant inued on pge 11)26 r 1987


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operating withdifficulty

New Yok Telepone ecenty intodced ae seice to its cstoes. I ts cad opeatovice. Ote teepone copnies aond tenation e doin te se tin Wen ctoei New Yo dial 0, tey et connected to ew

Yo Teepone (T opeto Wen tey dl00, tey et connected to n ATT oetoassin teye cosen A T T as tei ondistance copany.

Te eqipent sed fo te Y oetoscosist of a Norte Teeco D200 swtcnnin TOP (To Opeto Postion ystesoftwae Tis cne we efen srot abot ny obesnot to enton

y pet peee wen n opeto answes tee iso one a beep.

Te ost ipotnt poe cn be opedito two ajor cateoies otin d dwae.

Roung Problem Fo coi pones yo cnnot di 00 to et nATT oeato. Insted yo e roted to nintercept ecodin.

As a atetie to din 0, yoesupposed to be able to d 10 to et anoperator wee is te teediit nber ofthe log distace copny. Tis sin tatthe lon distance copany offes opetoseices in te fist pce. Bt fo a py ponedialin 102880# (288 is te teediit nbeor AT&T) ets yo an NT opeato! Diai0770# or 103330# is spposed to et yo aSprint operato. Bt instead yo et n NTopeto aain.

New Yo Telepone "coin caftsenthose ys who fix o pay pones w be in fo aice sprise. Tee is a coi test nube wcchecks to see if a pay pones "neatie ttackae or ed ox is woin. o te 212rea code yo dia 0-212-959-1230 nd fo8 o dial 078959-1230 (Ote e yllow yo to dial -9-1230 ) Te way T isotin traffic a 0+ (zeo pls ca witn ewYok tate (and te sa pt of Connectictsered by NYT) ets sent to te TOP D Te130 is handled ot of an ATT TP.en te TP receie te 212-959-1230 itseces its database of excnes and see tat is ot a va16, 212) a we as "nidAs (70, 20 210, 0, 999, etc.). isresents pobe wen tyi to ca Aince

br 17

Telecofeeci (0700-456-000) The TOPSreceives 700-461000 ad sees that 700 is ota alid New Yok area code. It the rotes yo toan annonceent Yor cal caot ecopeted as died. Pease ceck the e or

ask yo opeato to ep yo. YT opetos cn't dial 9 800, 00,

976, 950, 970, 540, and 50 calls. I canndestnd not ben abe to conect yo to ost800 nbes bt te 800-698 excane is a ewone tat wby New Yo Teepone. Yet teopeto cnnot di t.

Tee is one tick wic coes in andy. Toet fee diectoy assistace A) fo a

Cstoe Owned C oin Operated Telepone(COCOT yo dia 0-PA-555-1212 I f te NPAis witin te New Yo City aea (22 6, 718),te cll speeds stit toh to DA (Note tecale t so be witin tat are.) MostCOCOTs et yo dia 0+ ithout askin fooey so yo DA c wod e free. Siilarvaiations of tis tick pobaby wo in oterpt of te conty.

Hardwre roble As I entioned befoe te operator does

ot bp we se answe a call Wen yo dia a 0+ call yo are given a

coice of dian 0 at te tone or eteing yorcain card nber at te toe If ou call fro aplse or rotr phoe and dot respod ithtoc tone after te tone an operator ill arriveto assist yo oeties riht efore te "entercan card tone (sonds ike a # toe meltiinto a qick diatone yo ear a ick secod ofdistoted noise ike a fraet of speec Wetis appens if yo ae o a pse poe andcan't dia a 0 in toc tone te calli cad tonewi II repeat eery cope of seconds v!!Tissees to be appenin ess ow tan we teypt te fist TOPS in anatta soetie astyear. ee sees to be an oveeli poewit inteliibe cosstak. ay ties rit afterte opeator aswes yo ear a lod cick adthe a brst of 12 ltifrency M) diitsfolowed y Opeator may I ep yo? Bothoperators wi te say tere is a "crossed lieand a up.

Tis pobem is far one of te orst I t'sbeen epoted tat wen eerecy iterrupts

K


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Trac ertent l Bod r at f loted in th Lw uilga th om o r and Noth Srees. Lef o ht, Jn Ays EFi Jenny Finch, Mn ron a Dell Hges Equpment salld 1896.

iu ak 902.

Pe l B o n on ! l

6 1987


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9/24

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10/24


11/24

G W coninu from g 5)stee. The %sig is used as a kludge to idicateidiect addressig ia a gateway that is otdirectly addressale from all oer the WorldNet.The last exmpe is oe of U UC addressig. treads from left to right Wit stadard RFC822

addresses you do not eed to kow te ath themail will take to get to its fial destiatio Thesyst takes care of tat. U UC is du i thatrespect. You need to know te path te mail willtake. o example 4 says to sed it to a macinecalled philco which will sed it to a machiecalled su wich i tu will sed it to a machiecalled munarri whic has a user called oh. Youca see wy people hate U UC addressig. This

type of "ag addressig is slowl eig phasedout for the style of addressig detailedelow. But there are still may U UC sites thatprefer their "old ways. The agai there are stilla lot of people who like Cool

Here are some eamples of a RH address:tauim itet

wiscmwisc.edurelay.cs.et

decwrl. dec. comxcamac.ukm.tau.ac.i

The first is a example of the old style ofaddressestauim.iet. t is a odeamead a etwo idetifier. The ext three areeamples of pat addresses. The ad fomright to left ad are tree ased. The rightmosttoke represets the higher authority such as

EDU educatioa) . NET etwork iformatioceter) or .COM commercia). t o logermakes a differece if wiscmwisc. edu resides irpaet or Bitet or Cset t may ideed edirectly coected to all three. Te user shouldtcare what etwork the ed user is coected to.magie if your fried was coected to prit

while you used A. t should't make adifferece i our dialig to kow that the eddestiatio is eig seiced y prit. Just diathe mer That is the cocept of "dotteddomai ames

As soo as ou eae the U itd tates thigsget ee more orgaized. Eery couty has a SO I teatioal tadards Orgaizatio)coutry code Withi each coutry a authoritydecides what secod leel domai ames tossigsuch as .AC academic) . RD research

ad deelopmet) .OM commercial) etc. Asou moe from the rght to let of the RHaddress you moe from the macro to the micro.

Oce agai it is importat to ote that thecocept of what etwork the user resides o

ecomes a "thig of the past.uttig it all togeter we ed up with

addresses that ight look like [email protected] [email protected]%o.HA RNET@relaycset

coclusio the Worldet supplieseectroic mail traffic for free to users with anaccout o ay machie that is conected to one

of th etworks sted aoe Te istitutio edsup pickig up the ill fo the lesed lie while theuser oly gets charged for the local cpu time adcoect tme used to create ad sed the letter.use chai etters mass mailigs commerciause o the etwork etc ) is frowed upo y theoes who ru the etworks as well the hackers

who make use of them. I f you use the etworkdot ause it

For furter reain: Communications of theACM October 1986, Notable ComputerNetwos Quarteain and Hoskins.

T ZJ

ll --

ll


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RDR: Dear

First off, thanks yu I now hve theRdio Shck Duophone Computerized Phone Accountnt odel Whta nifty ittle device! I lwys wondeedh the bbysitters were cling ... ndor how long

econdly, hee's soe cellulhne infoation tht the deler gvee aftr I showed h copies of 600and its cellular-relted infotion. He was very happy to swap infortion

Thirdly, in reply to The Socee'setter 600 August ) if the police were s inept in their "capture" s heais hey were, it sys one of twohings: either The Socerer wasn't asdiscrete" as he shoud hv been, ohe rest of the hckin/prekingcounity is put on wnin when aRbocop" strts clenn u.

T h e S o r c e r e r a l s o r e q u e s t e dnoration regading Bill Landeth(aka The racker), author of "Out of thenner Crcle" Enclosed plese find theer story, Septebe , tohe Southern Califrnia oputeraane Byte Byer, whch Ienne This should ive you all theoraton you ay need on Mr

andrethasty I run a BBS caled Minstreetaa ) In i is a sectioned TP Maane. This section e board is ild with inoationeane r the AP wre, interatna natonal, and statesvuay readn the keywordsckin, hreakin and cputer

e It an exreey opuarein o y lare online syste Toee a coplentary accunt, call,er r yur or your assworer K, ad at the irsa rt ener PR of courseere n punuatn Yu wi ee ae o the entre yste I

embe

would be appy be ne f your esCoast BBS envoys.

Thanks for being!Raer Mueler

T r clulr i We will

ry mi wi i r uuriuYur ricl r w vry

iriv wil w c prii i i y, r r mi

pi r i ur rer A rl irui T Tlmilc i 1983, r w c r yr pri He pu

u eile "Ou e Ierircl wic l vr 50,000 cpicu i, bcm mei lriy , rl wic pply w cmble wi I l 1986 vi eirlyHe w i uil rly iummr w w icvr i w 40 mil r Prl,

Or pprly r li um H w rre cr e r l prb i v il i ec iv yr i pri H iu rur cur Ocbr 13.Hi c my e cmmue

pi r e my ceive dierec Rrl, iwrii, Lr w il i

crcr rpliCei Ceer i dwnwn SDi

A e w v e eul bei ru i l i

unwillly or willil, we i wle eri ee e quie unru T e emi ump iiviul r e

i r r cmplely ri y re ere u bei u be c e m e e r inecuiie we l ve ne ime nr I ppe rck rle wier n crime viciNw i ppned cpuercke


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SPEAK OUTClearly Landreth should not be

cke up in jail His "crimes havert no one more than himselfprisnmnt in this case is barbaricand ihuma We cal on our readers o

speak out agist this kind of inusicein whaever way hey ca Ad ewish him well

Reaers who wan o hear moreabou this case should call he abovemeioed boar Hopefuly he acswil be passe around o differenbulleti boar sysems as wel

We thank he mny readers who

have expresse an interest i runningbulletin boards for 2600 Last monthwe menioned cerai feaures wewoud require: full access to al callers private mail ha ensred privacy andno verification of ideiy for users Ifyou want your board to be a 2600board i mus also have 24-houraccess 300/ 1200 baud capability the

abilty to store at least 100 messaeson a least 3 public boards the abiity tohandle at leas 10 users stoagecapaciy for certain text iles and a wayof having information uploade If youcan meet those requirements thencontact All knds o comuter arewelcome as are al kinds of sofware

provided they can hanle the above

xDear

Regarding my September letter,allw me to carify my position-you'reright that I made a mistake in ripping off

th e ph n e c o mpa n y . T h a t w a ssoeting did because I was havngf wit BBS's t te time a whe

we discvered that dialup an figuredot hat was happenig we went alttl berser But lik the i whoseitrst s pr y a nija mvie alater gs into srious martial arts tatwas wre gt m first glimps it world o aateur hacking Siceten e be trying t learn m

from BBS's and I ust wanted t lear tings up so

d o ' t s u n d l i e a t o t a l d e f i a n tscumbag

Also I think Audie's idea of a special

issue sounds goodResecfully.he Sorcerer

Your commes have bee noeAn by he way tha was your Augustetter you were referring o This is yourSeptember leer

Dea You've been saying tat you'll be on

ewsstands soon Is this in fact in theworks?

CurouWe are in the process of working out

a arrangemen ith a distributor inNew York Cty Right no you can find2 6 0 i n s o m e b o o k s t o r e s a n d

mgazine stand Among them areudso News Coiseum Book SohoZat and St. Mark's ooks (all n NewYork ity) with more on the way We'realo orking out deal wth book shosin England Holan Germany adFnn you hae ny des or canhelp out contact u Wel kee you

oste

f? ?er

w a s v e r y u p s e t w i t h t h emisinormation you printed in yourSeptember issue I an aswer t aletter you said that pen registers canbe ypassed by using corless phonesNthing coul be further from thetruth! Pen registers rcord the numberure ialing no atter what kind of p h o n y u ' r e u s i g A n o u ruggestion f iling n a rlesho t i the pn register nten hpping bac to a regularphne t voi being onitred n thrai i riiculus t say th least

/ K e embe e


14/24

CT36 TechNote Ge006Decping pasword securiy 5/1/86Vrsion Author:

Abstract

Mel Bekman

Exps ow to ocae and decryt te user-ID nd pssword of th master

security oficer.

InoductnThe Systm/36 password securi ie is ncptd in a slighty moe vigoous sion ta te

Systm/34 method (which simply inved the bits). Howv, IBMs Rocheste cptogapes ae noexctly Eng tril snce only thr hous for was rquird to cck this sceme

Step by tep Locate the ie #SCUDO on dis using a catalog isting whic givs the staig bock

nub Mly s nu by 10 to h ang scto nmb Add 1 o ttsince were sppng the rst seto o the ie, whch contains point inormtion

2 You ust now nt out o xane ths disk scor You can use the the PTCHprocdure or lt/Dslay option 2 you use ltrDisplay you'l have to conv the

nube to hx (TCH alows yu to ent dcia scto nub olowed by the wordC) Th le contains 18 byt cords ach cord startng with X1 Thispocdure wil show how to dcpt the use-D and password o the irs ecord whichis the mast scuri ofce ecord; thus we ae concrnd wit jus the frs ine (16

byts) o the secto

3 The rning tps use the atachd worksht to por he dcption Ae youedplayd th scto rom dk, w down the nd thouh 9th bys on wosee lne 1Be sure to skip the ist byte (whih is X1

4 ubtract the hx byts on ine 2 om the coesponding byts on ine 1 and wie te

esult on ine 3 Treat ac byte as an isolatd nube - dont borow rom nigboingbyes the esul gos ngative don worr us use he coplnt th you come up

with at subtactng A hexadecim caculato s handy hre youre no uen in hexaithec The rsult on line 3 is the use in BCDC whch you can conve to

chractes using the attched EBCDC cha.

Now wre down he 1th though 15t byts on he wosht ne 4 Note tha you aeskpng ovr o byts

6. btact th hx yts on line rom te coresondng bs on lie 4 and wite the esulon line 6

7 Wite down the 4th thoug th byts on th worshe ine Subtact the x bytes onlne om th corsponding byts on lne 6 and wite the rsult on line 8 whic is thepassword n EBCC

G6: ecpting password security

1 Sptmbr, 17

age1 o


15/24

Sy y kh

B C

3. (User-ID in EBCDIC)- -

4.

B C

(Pawod in E

: 016B9 F52E 38D DOD3C

E

C

Q (UerD is 'MASTER)"

4. B D

C

E

(Pssod is PASS)

GOO: crtg aword curit ag o

Spbr. 1987 P 1


16/24

'cninudolpae 10)

UK Mass Announcements

Citll09 121 212 Cityca1 director098 21 220 General maet rport098 121 221 Company news0898 121 225 Active shares

0898 121 23 Foreign exchanges0898 121 235 Currency Hotline0898 121 2 Leading shares AK089 121 21 Leading shares L-Z098 121 25 Traded options09 121 26 Options rvie98 121 250 USM09 121 255 Recent issues(Note: These numbe seem to be reachable fm

Engand ony. However, we know ere's go toe a way aund that It's possible the Britiselecm peto at 800445-5667 wll putalls thugh to the above It's also possble blueoxes can get thug We'l let yu know whatwe find out In the meantime the followngumbe are meant to sulement te list fmor Jul 1986 issue All of them need cuntoe 44)-46015 Dialig Insttions-2468017 Dialing Instructons-468026 Fiancial Report-468035 British Telecom Guidle-468 Christian Message-465 Challenge Lin-46800 Racig ullti2468072 VD ifo4688 Nwslie-246088 Civl Emergencis-246809 Weather-482 Time-46800 Music46600 Musc24801 US di tone069 Covtry Radio6015 Crickt Le4069 t ado2900 Ess Radio

Page 16 eptember. 187 200

(cntinudfrm pag 3)are mot of or readers pa byomethg every da that a good manyof or other reder wo fndnterestng-le a central offce with tate of Sta n front of . There are

a nd o oeBt pct ar a that we fdteretg I o go away omepce,oo at the o oo. Someteere are har age contaed nem Yo m get ome bzarre notcen the ma that o can hre wth theret of the pho/comter crowd.

2600 not le other magazne. Or

ubcrer erve a or eyes and ear.You e when omethng new goingon ad we nvetgate. You end u

materal that we prnt. We're a n thistogether-phones and computers havetoched every one of us, whether wewated them to or not. 2600 i here togve yo the idval vew of hghtechnolo o yo can grab he fture

before gra o

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17/24

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u ou ddtd to g ou mt ou d toow out the govrment and rtd ujt. Wrt r for freesampl isu and book catalog.

ull isclosur, o 7W Ann Arbor, hn 7oll fr ho ---7 x --7 in ichn

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18/24

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Worried and Upset in ArizonaTr m v ee m

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operatingniue/rm r m th NYT TS oprtors to somor mchc ctr ocs th oprtor somtms com oto th th orr ss or rcordg Soetms h th oprtorvs th l th recordg sts thr thterruptd prt cot h p rderwrot s nd s tt fte terrupt thr ws rcorg sng "te re code for tube u dl hs ee cgd to ohs l for % us Durg th cours of thsorde, two or three ote e got t ocrosstlk d lso cud ot g up

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19/24


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Telehone seice is funisd on condton ha the deny he eon o wm secs vided is as end a te of the qes

n , n sic as cnncd fo o aWhen e eqes o sice as pacd o iden i f ied osef sand asked ha b s be ndeed i ta name.

We ave snce ceiv t ads us o bieve hi ni was no cecand a u mspsn or t n v ia in of Ru of t MssachuetDP Od f Decmbr 19, 197. have son biv a o I ni t is

o wom v a f il b f o sice endd ch has bn uts t an ng nc he amoun Accodin ae non u ha tehon sece on disconnced n J : < ' C. , - = c < v" \ > A ' D r o avoi dsconnc u seic h na b i mus be ad n f a dsi 01

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THIS NASY LEER WA EN O ON OF OU UBCIERS WHOSMEW G E PONE COMPANY O INK E WASN BEIN O N E A B O U O E W A . I W A A A N U N R U N A T E

MIAKE, BU WE ANOER NEA RM ER OU F I.

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21/24

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22/24

Review: CO Magazine Enlhteni agaPublishe monthly by Tlecom ibrar Inc.12 Wst 21st StrtN York, NY 112126918215

Subject mattr: itching ranissin and neorki. aga is n free "qualifid

bribers in the U.S. and Canada. If you're not in inut US. subriptions are 6 pr year.

Reviw by Dan Murphy

Runnng pprmtel pgs ech mnth

O M g z i n e s e f t h e b e t t e telecmunctns mgnes vlble tsged f the telecm ndust pesnnel nd sbrken t theme sectns ech cntnng nrtcle r tw

ne sectn cmmn t ech sue s Newsetung tpcs such s wht cmpnes eusng wht new equpment nd ecentl pssedlws fectn the telecuntns wrld

The news ften hs n nlss wch s ndtrs nte n hw sethng wl ffect thngswrtten f the pespectve n ndvdul smll busness New eces tel s f the ltestseces nd eues ffeed b cl nd lngdstnce cmpnes wth n ccsnl ece n

hw new techg wll ect the telecmmrket

New rdct prws d revws ttst telcm gdgs gms dpment Ths s ne m vorte etues

t dels wth evethng frm SDN dtents t mnrespdes testng lne ndtrunks t U est s M multpurpspet wksttn

Th Sevces sectn whch ppers lmstever mnt hs dvese cllect rtclesgettng dwn t the ttgrtt hw thetelephe cmpnes d wht the d best Fornstnce n the M ssue n cle

enttled Advncng Advnced epls det hw AT&Ts Advnced servcsfuctn The Aprl ssue descres NewYrk Telephes Netwrk Serce Cetrprts ute terestg Ne Yr

Telephnes r Rmme f the thees tht CO Mgine hs

presented e enhnced sevce SDN nder tcs ch nstnce thee were severl

rtcles descrbng vlble servces dtecnques n use n the feldCO ine prvdes up t the mnute

lk t the telecm wld thk ts ne f thebest mgznes und nd u ve t dmtts hd t bet the pce

HAS MEETINGSry Frdy froo

b ours of 5 d 8

k cp N Yk ,3 S 3 A

Smr 1987


23/24

N O T I C E

Does your address labe say "Time to Rnew? n't miss ani sse enew you r su bscr ipt io n toda a nd enjoy peace of i ndS y nd icate th e amou nt encosed a nd whi ch, i f any, bckisses you wa nt Yo r addrss abe shou d be on th back of th isform

$ 5 . . . . . . . . . . . . . . . . . . . . . . . . . 1 ear of 26$ 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 years of 2600

41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 a o 26$40 . . prat bs ipt io n$75 . . a r prat subsci pt ion$ 1 1 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 rt ucition25 vrsea ucri pt i on ( 1 ar on)$55 oereas cporat u bcr ipt i n ( 1 year ony)260 i ft i bcr i pt in (nv g i n wi bt u)

Back issue ar ava i a P ic ar :

$2 5 . . . . . . . . . 1 9 84, 1 985, 1 9 8 6 isus ( 1 2 per year)$ 50 An two ya rs75 AI tr a (6 isus)(Oversa ordr ad 5 f a ar drdA ow 4 to 6 wk f d iv.

nd a ordr t :260O Box 752M i d d e I s , N Y 1 953 U S A ( 5 1 6 ) 7 5 1 2 600

- -

AM O U N T E N C L O S E F O R S B S C R P T N : _

AMOUNT ENCLOSE FR BACK SSUES: ___ ( )TOAL AMOUNT ENCLOSED: ___ d sd sy dss s

September. P" n


24/24

WORLDNET IS COM ING 4PEING ITH DIFFICUL 6ECM NMER . 8ENGLISH DIAL-T SEiCE 1 0LERS 1 22600 MRKETCE 1 9RI: CO MAGIN 22

M x Mdd Y

2600: The Hacker Quarterly (Volume 4, Number 9, September 1987)

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Transcript of 2600: The Hacker Quarterly (Volume 4, Number 9, September 1987)