U n i v e r s i t y o f O r e g o n C O M P U T I N G N E W S WINTER 1999 IN THIS ISSUE… Student Account Information 2 Dreamweaver Review 10 Modem Updates 3 IP/TV Broadcast Opportunity 12 Trojan Horse on Campus 3 Web Proxy Server Update 13 Computing Center Who's Who 4 SP4 for Windows NT 4.0 13 Acrobat 3 on DARKWING, GLADSTONE 4 ‘Required by Law’ (new Law School computing column) 14 Winter Workshop Schedule 6 Web Virtual Hosting 14 Web Search Tips 8 What to Do When Your System’s UO’s PVM Cluster 8 Hacked/Cracked 16 ccMail’s Life Expectancy 9 UO Connects to Internet 2 18 Financial Research Data Service 9 NSRC, Computing Center in Angola 23 The Ins and Outs of Student Accounts: Answers to Some Common Questions By Rick Milhollin cess your account information. You may Telnet to AUTHORIZE and type “au- [email protected] do this in one of two ways: thorize” at the “Username:” prompt. Then follow the instructions as they 1. Via DuckWeb. Using Netscape or appear on your screen. (If you don’t At the beginning of each term, new Internet Explorer, access the DuckWeb know how to telnet, get a copy of the students frequently have questions site at http://duckweb.uoregon.edu handout “How to Telnet” from the about their usernames and pass- You must know your student ID Computing Center Documents Room words. To help answer some of these number and your personal access upstairs in Room 205.) questions before they arise, we’re code (PAC). publishing a brief refresher course Note: If you’re not registered for the on UO account policies, along with Log in to DuckWeb and at the main current term but are registered for the some updated information. menu, select the option “View UO Computing Accounts Information” next term, you may create your account 45 days after the current term began. How Do I Get an Account? or… If you’re currently enrolled as a UO 2. Come to the Computing Center How Long Will My student, you should already have one. Help Desk. Bring your photo ID to Account Stay Active? Incoming students are assigned “pre- the Help Desk in the Computing Your UO computing account remains generated” usernames and passwords. Center’s south entry lobby, and a active as long as you’re registered, and Before you can use your account for the Help Desk consultant will give you during the term immediately first time, however, you’ll need to ac- your personalized Student Account following your last active registration. Information sheet. For example, if you were registered in UNIVERSITY OF OREGON spring term, your account would What if I Don’t Have a remain active through the summer. Pregenerated Account? COMPUTING CENTER If for some reason you don’t have a After the last day to add classes in pregenerated account, you can still each term, accounts are disabled for use the AUTHORIZE program to get students who didn’t register for either COMPUTING NEWS VOL. 14 #2 one. Here’s how: the current term or the previous term. Computing News is published quarterly by the Academic User Services staff of the Office of University Computing, 1212 Please Be a Considerate Modem User University of Oregon, Eugene, OR By Lucy Lynch 97403-1212. You may reprint articles [email protected] We recognize that occasionally a press- from Computing News, provided you ing project or other special circum- credit the source. stance may require you to exceed the To help maintain modem accessibility 14 hours-a-week target, and that is Newsletter Editor: Joyce Winslow to UOnet, modem activity at the UO is ([email protected]) something we can accommodate—on automatically monitored. the rare occasions when special cir- Telephone: (541) 346-1724 Because we don't have enough mo- cumstances develop. What concerns dems to let everyone have a dedicated us is a consistent and unsustainable Assistant Director, Academic User personal modem connection, we ask pattern far in excess of the target us- Services: Joe St Sauver for your cooperation in limiting your age threshold. ([email protected]) connect time to no more than an aver- Remember, too, that sharing your age of two hours a day (or 14 hours per Web site: modem account with others is strictly week). Those who exceed 14 hours of http://cc.uoregon.edu/cnews prohibited (see "Acceptable Use of connect time per week will be con- Computing Resources," http:// Subscription requests: tacted by a Computing Center staff cc.uoregon.edu/acceptableuse.html) [email protected] member and encouraged to subscribe to a commercial network service pro- Please cooperate in helping us make Cover photo: Jack Liu vider. A list of local providers is avail- the most of the limited resources we able at http://darkwing.uoregon.edu/ have available! ~llynch/eug-access.html 2 computing news winter 1999 Trojan Horse Making the Rounds on Campus ■ Protect Your Windows you, applications which contain or in- for␣ their own activity. Any or all of 95/98 Machines! stall Back Orifice may still␣ work or ap- these actions have potentially pear to work correctly, meanwhile in- serious␣ security and privacy implica- By Joel Jaeggli stalling the trojan program invisibly in tions which make it in the interest of [email protected] the␣ background. users to␣ ensure their machine is clean. Applications that have contained How to Detect Back Orifice:␣ The best A new trojan horse called “Back Ori- Back␣ Orifice in the past have included, way to check for Back Orifice␣ is to in- fice” appears to be making the rounds among others, an application stall the latest version of Norton of␣ Windows 95/98-based machines on that␣ purports to detectBack Orifice and Antivirus for Windows, either by ftp campus. Unlike a␣ computer virus, a a pornographic tetris game.␣ Realis- from public.uoregon.edu or from trojan horse cannot be transmitted tically, the treacherous program could the␣ Duckware CD. The Norton utility without human intervention. be part of any application coming from will␣ automatically detect and remove a␣ questionable source.␣ ␣ Like the␣ original steed of Greek fame, Back Orifice as well as several Back Orifice is most often cleverly dis- If installed, Back Orifice can allow hundred␣ other viruses and trojans. Or, guised. It frequently appears as␣ some- hackers on the Internet to view you could use a single-purpose␣ utility thing you’d be least likely to suspect, the␣ contents of your machine, edit like “BoDetect” to detect its presence. including applications found on␣ the files, capture keystrokes, and carry You'll find “BoDetect” at Internet or received as attachments to out␣ attacks against other Internet http://www.spiritone.com/~cbenson/ email messages. To further confuse hosts using your machine as a proxy current_projects/backorifice/backorifice.htm Getting “All circuits busy” Modem Message? By José Domínguez and John Kemp community.The new configuration [email protected] the PBX serving the UO, as well as the way the modem pool was configured. (shown in the table below) differs from [email protected] the old one in two important ways: To correct the problem, Network Ser- vices and Telecomm Services plan to 1. The 346-3565 number will convert At the beginning of fall term, users dial- reengineer the modem pool configura- to a V.90-capable modem pool, and ing the UO modem pool via 346-6520 tion. Corrective procedures should be- expand to include an additional 64 didn't get a normal busy signal when all gin during the winter break and could high-speed modems. These additional lines were in use. Instead, they heard a extend into the first weeks of the winter and faster modems should consider- prerecorded “all circuits busy” message. quarter. We apologize in advance for ably ease the burden that has been any inconvenience this may cause. seen on the 346-6520 number. After extensive testing and debug- 2. The 346-1586 number goes away. ging, staff from Network Services, Forthcoming Changes These older, slower modems have be- Telecomm Services and US West deter- come less useful over time. Users previ- mined that this unusual response was The addition of newer faster modems ously operating at 14,400 and using the the result of several factors, including and the change in configuration of the 346-1586 number might want to con- recent upgrades to both the telephone dialin lines should greatly improve sider upgrading to the V.90 standard. switch serving the City of Eugene and the quality of service to the UO dialin New Modem Pool Configuration Modem Pool Number of Modems Modem Protocols Maximum Speed Services 346-6520 192 V.90, X2 57600 bps PPP w/ PAP, IP, IPX, AppleTalk V.34+, V.34, V.32bis ARA2, ARA3 V.42, V.42bis, MNP SLIP Terminal Emulation 346-3565 96 V.90, 56KFlex 57600 bps PPP w/ PAP, IP, IPX, AppleTalk V.34+, V.34, V.32bis ARA2, ARA3 V.42, V.42bis, MNP SLIP Terminal Emulation 346-5975 64 V.34+, V.34, V.32bis 33100 bps PPP w/ PAP, IP, IPX, AppleTalk V.42, V.42bis, MNP ARA2, ARA3 SLIP Terminal Emulation computing news winter 1999 3 Who's Who at the ■ college education at Johnson State Meet four more College in Vermont, Lara followed the Computing Center staff American tradition of moving west by members transferring to the University of Oregon. Upon receiving her degree in Sociology at the UO, she decided to By Vickie Nelson stay in Eugene.