The UNIX® CRONicle

March 2000

Official Publication of the STL!/unix/usr/group

UNIX® is a registered trademark of the Open Group
Linux® is a registered trademark of Linus Torvalds
Online version:

Table of Contents

Next Meeting Details

Wednesday, March 8, 2000 at 6:30 PM
Sunnen Products, 7910 Manchester

6:30 PM Tutorial Introduction to TCP Wrappers - Tom Parsons
6:30 PM Guru Gathering Mystery on the Mountain - Jeff Grigg
7:00 PM Announcements (Standard Introductions & Procedure )

7:05 PM Call For Help (An opportunity for you to ask technical questions of the group)

7:15 PM Break Social, off-line conversations, & book sales

7:20 PM Admittance to building may no longer be possible See Meeting Directions

7:30 PM Presentation Unauthorized Access - A Case History by Bryan Campbell


Introduction to TCP Wrappers - Tom Parsons


The recent security problems on the Internet is the theme behind this month's meeting of the St. Louis UNIX Users' Group.

The tutorial is TCP WRAPPERS, the free, popular access control facility.

A basic overview of tcp wrappers, the free popular access control facility for internet services. Purpose, availablility and a basic configuration will be presented.


Tom Parsons is an independent computer consultant with 15 years experience in SCO systems and a manager of SCO's CompuServe support forum.

For more info contact Tom Parsons by sending .

Guru Gathering

Mystery on the Montain from The Guru's Corner - Jeff Grigg


This month a small group of those that are bored with the tutorial will meet in the secondary room, behind the main presentation area. Attend at your own risk. Subject matter will be determined by Jeff Grigg.

Please contact Jeff Grigg by sending if you have suggestions for this session.


Unauthorized Access - A Case History by Bryan Campbell


This month's feature presentation could just as easily be titled "The Cuckoo's Egg AGAIN? ...or The Hidden Security Problems I Found." It's a real life experience that starts with an interesting problem when unfamiliar processes are noticed running on a system.

The computer security classic "The Cuckoo's Egg" by Cliff Stoll (STL County Library Call Number 364.168/S875C) is a must read for everyone associated with Information Technology. It is a good introduction to the questions that come to mind when there is a security problem.

Are you familiar enough with your own system to have even noticed? Would you know what to do? Have you ever though it thru? Can you even define what COMPUTER SECURITY means? How much does it cost? How do you fix something before it's broke? When are you done?

The questions just keep coming.

This presentation just might give you a realistic introduction to just what are your security needs.

Bryan Campbell, an E.I.T from the telecommunications engineering firm Monte R. Lee & Company of Oklahoma City, Oklahoma.

For more info contact Bryan Campbell by sending .

Special Promotion(s)

blue triangle right Title of the Month

The 25% discount special will be on any book with the word "Security" in the title, 10% discound on all other books. Get a free Tee Shirt with any $30 purchase.

All regularly priced titles are 10% off retail cost at the general meeting.
(Excludes featured, or specially priced or promotional items)
O'Reilly Logo

The O'Reilly and Associates line of books is available at each monthly general meeting as a convenience to our members.

Each month features a book related to that month's presentation or tutorial topic.

Discounts off retail cost are offered to all members and each month's featured book(s) may be additionally discounted. Usually, all titles are discounted 10%, while special titles are discounted 25%.

Upcoming Events

[St. Louis UNIX Users Group stuff]
SLUUG General Meeting March 8, 2000 at 6:30 PM
Sunnen Products
7910 Manchester (at Hanley)
St. Louis, MO

[Don't forget about this stuff]
Steering Committee March 14, 2000 at 6:00 PM
Daugherty Systems
One City Place (2nd floor)
Creve Coeur, MO

Linux SIG March 16, 2000 at 7:00 PM
( TOPIC: ) Something Really Good by Some One
Indian Trails Library
8400 Delport Drive (at Midland)
St. Louis, MO

Perl Mongers April 6, 2000

SLUUG General Meeting April 12, 2000

Steering Committee April 18, 2000

Linux SIG April 20, 2000

ITEC May 23-24, 2000

KC Linuxfest June 20-24, 2000
Overland Park, KS

Meeting Directions

The STL!/unix/usr/group meets the 2nd Wednesday of every month at Sunnen Products, 7910 Manchester Blvd, just east of Hanley on Manchester.

Directions From Downtown

  1. Take 40 West to the Hanley exit.
  2. Turn left (south) onto Hanley.
  3. Turn left (east) onto Manchester, then turn right ASAP into the Sunnen Products driveway.

See map at

(NOTE: A security guard from Sunnen is scheduled to be at the door from 6:20 PM to 7:20 PM to allow entry. After 7:20, the door will be unattended and attendees may not be able to enter.)

The SLUUG Steering Committee meets the Tuesday following the general meeting at 6:00 PM in the 2nd floor training room of Daugherty Systems, One City Place in Creve Coeur.

The SLUUG Linux SIG (SLUUGLS) meets the 3rd Thursday of every month at the Indian Trails Public Library.

See map at

Article(s): The following article(s) express(es) personal opinions and SLUUG exerts no more editorial control over such content than does a public library, bookstore, or newsstand. Any opinions, advice, statements, services, offers, or other information or Content expressed herein are those of the respective author(s) and not necessarily supported by SLUUG. SLUUG does not guarantee the accuracy, completeness, or usefulness of any content, nor its merchantability or fitness for any particular purpose.
ITEC 2000 time!
by Mike King


ITEC (Information Technology Expositions and Conferences) Expo 2000:

Do you want to help us promote the benefits and contributions of SLUUG (and our SIGs) to the larger St. Louis IT community? Our Linux SIG is in the driver's seat this year with the topic that's on every IT worker's mind, and we expect interest at the show to be hotter than an overclocked Athlon!


This year's ITEC Expo will be at the America's Center downtown on TUESDAY and WEDNESDAY, the 23rd and 24th of May. The show runs from 10am to 4pm each day.


* For the past eight (8) years SLUUG has had a presence at the annual St. Louis ITEC Expo.
* SLUUG continues to attract new members each year who were introduced to our group by this event.
* Our O'Reilly & Associates books will be sold there. The ITEC show sales volume generated is one of the reasons we continue to be able to offer the ORA books at our meetings.
* Free tickets for the members should be available at our 10 May SLUUG general meeting.

Each year our participation at ITEC allows us to let a lot of people know of the group's existence. It is amazing how people just walk up to the booth and learn that our group is a resource here in town. (And it doesn't hurt to be the one in the booth talking to them. ;-) Ethernet isn't the only networking going on!

Did we mention the FREE tickets for the members (available at our 10 May SLUUG general meeting).


Glad you asked. We need volunteers to provide some time. If we get enough volunteers, we would like to make shifts as short as two or three hours. This event is a lot of hard work, a lot of fun, and a lot of planning. Time in the booth is busy, exciting, hectic and satisfying. Give yourself a chance to introduce someone else to UNIX (all flavors, but Linux will probably be asked about *a lot*), our projects, our Special Interest Groups (SIGs) and our group.

But the booth is not all of where we would like your help!

We need book specialists, who will handle the operations of book sales. We need presentation assistants, who will help the presenters setup. And a special request goes out to potential presenters. We would like to establish topics and the presenters for four (4) one-hour slots that we are asking of ITEC.

PLANNERS- and even if you cann't be physically there, we still need your ideas! We have had suggestions to do an Install Fest or a Linux Laptop Clinic. Any new concepts are welcome as are people to help think thru the detailed planning of these ideas.


Getting volunteers is just the first step. There is an ITEC committee that is working very hard to plan and direct our efforts this year. You can participate (or just lurk) on the ITEC mailing list by sending 'subscribe ITEC' in the body of your message to The more volunteers, the lower the load on each of our shoulders.

In order to participate this year, we need NO LESS THAN twenty (20) additional volunteers lined up by 22 March. The event itself is entirely during the workday (10am-4pm) but we need help to deliver tables, books, etc the night before (i.e. Monday, 22 May) and removal after 4pm on Wednesday, 24 May). Moving the books requires some lifting, so keep this in mind if volunteering for this.

Along with these efforts general SLUUG (and Linux SIG!) member volunteers are needed to step up planning and finding tutorials and presentations for the monthly general meetings that follow. That is what we must do to keep new and old members coming back month after month.


Volunteers should send for details.

Refer to for general show info. If you pre-register indicate "SLUUG member" in remarks.


We need YOU! Our booth is staffed by membership. If you can come to the show, plan an hour (or more ;-) to work our booth. Even one hour will give someone in the booth a break. And, we need those REAL STALWARTS! Each year, there have been a few people who have devoted an entire afternoon, morning, day, or even BOTH days to working our booth, getting it set up, etc. We always need a few more of you to volunteer.

We hope you can help us make this last ITEC of the millennium our greatest success to date. (As we in IT all know, the third millenium of the modern western calendar doesn't start until 2001.)

We look forward to hearing from you,
The ITEC Committee

Election Results
by Gary Meyer

SLUUG is incorporated as a professional association in the state of Missouri. There are a total of 5 directors that control all official business for the organization.

This year's elections were for 2 seats on the SLUUG Board of Directors. The 2 incumbents, Dave Mills and Rich Seibel, stood unapposed to be re-elected to contine in these positions. The seats have 3 year terms.

With what amounted to English style votes of confidence all current SLUUG board members and officers were asked to retain their positions.

The officers are actually appointed by the board but it is our tradition to hold this advisory vote as well.

Current SLUUG officers are:

President:  Gary J. Meyer
Vice Pres:  Ed Wehner
Sectretary: Rich Seibel
Treasurer:  Mike Kriz


A classic is something that everyone wants to have read
and nobody wants to read.
-- Mark Twain, "The Disappearance of Literature"

Sponsor of the Month

Bradford & Galt was founded in 1984 in St. Louis with a commitment to IT staffing that has dramatically fueled its growth; it has moved from being St. Louis' most respected Permanent Placement firm in the 80's to being one of the highest quality Consulting firms in the Midwest in the 90's.

Clients appreciate the total staffing solutions provided by Bradford & Galt offices in Chicago, Dallas, Kansas City, Peoria, and St. Louis. The strength of the client relationships, the industry knowledge, and the commitment to listen to the needs of the clients has resulted in tenfold growth since 1990.

Bradford & Galt employs the best IT professionals as Consulting Associates and also matches professionals with hundreds of outstanding Permanent and Consulting assignments at its client companies. Bradford & Galt employees work with a firm that listens and cares about both its employees and clients.

Bradford & Galt

Personal Commentary submitted by Almost Anybody

The following PERSONAL COMMENTARY expresses personal opinions and SLUUG exerts no more editorial control over such content than does a public library, bookstore, or newsstand. Any opinions, advice, statements, services, offers, or other information or Content expressed herein are those of the respective author and not necessarily supported by SLUUG. SLUUG does not guarantee the accuracy, completeness, or usefulness of any content, nor its merchantability or fitness for any particular purpose.

Reader, suppose you were an idiot. And suppose you were a member of
Congress. But I repeat myself.
-- Mark Twain

Special Interest Groups (SIGS)

As our membership grows, we have had some inquiries about the possibility of having Special Interest Groups in several areas. If you are interested in starting or participating in a SIG for System Administration, Networking, C, Object Oriented Programming, a specific vendor, etc., please call Dave Mills at 230-5151, extension 103, or contact any officer of the group.

St. Louis Unix Users Group - Linux SIG (SLUUGLS)

Visit the Linux SIG home page ( ) for the latest meeting details.

Indian Trails Public Library
8400 Delport Drive
(at Midland)
Follow 170: Exit Page east to North-South Rd., go left on North-South Rd. to Midland, go left on Midland one block to Delport, the Library is on your left (see map at ).

For more information on SLUUGLS refer to the WWW home page for the group at or contact Matthew Feldt by

Computer Telephony Integration User's Group (SLUUG CiTI)

The CTI SIG is no longer having regular meetings and is currently using a webboard format.

The Computer Telephony Integration (CTI) Users Group is a non-profit organization open to developers, end-users, sales people, and others who share the common interest of melding the telecommunications and computing worlds.

For more information on SLUUG CiTI contact Tony Zafiropoulos by or (314)878-9855.

Digital Alpha SIG

The Digital Alpha SIG is for those interested in Digital UNIX and the DEC Alpha architecture. Visit the Digital Alpha SIG's home at for more information.

St. Louis UNIX Users Group Steering Committee

The SLUUG Steering Committee meets the Tuesday following the general 2nd Wednesday meeting at 6:00 PM in the 2nd floor training room of Daugherty Systems, One City Place in Creve Coeur. The guard can direct you to the meeting location. Anyone is welcome to attend. If you would like to become more involved in the planning of SLUUG, feel free to join us at the next Steering Committee meeting. Meetings usually last 1.5 to 2 hours.


  • Analysts International
  • Andersen Consulting
  • Bradford & Galt
  • CIBER, Inc.
  • Cypress Systems, Ltd.
  • Daugherty Systems
  • Informix Corporation
  • Maryville Data Systems, Inc.
  • O'Reilly & Associates
  • Phoenix Networks
  • Phoenix Networks
  • Renaissance Worldwide, Inc.
  • Sun Microsystems
  • Sunnen Products
  • Sykes Enterprises, Inc.
  • Triple-I Corporation
  • Venmar Systems, Inc.

  • The Law Offices of Rich McLennan, send

    For more information about sponsoring the St. Louis UNIX Users Group, contact Ed Wehner, send

    SLUUG on the World Wide Web

    The St. Louis UNIX Users Group maintains a WWW page at Visit us to learn more about who we are and what we do, visit other UNIX user groups' WWW pages, sign up for a SIG, or just to browse.

    SLUUG Administration is volunteer based.

    SLUUG is looking for volunteers to help with presentations, web page development, managing corporate sponsorships, and many other tasks. If you would like to help out, contact Chris Wanta by or visit


    We publish other user group meeting schedules on a reciprocal basis. If you are a member of another non-profit group, please inform them of our policy and invite them to exchange meeting information by, or call any of the SLUUG officers.


    BBS Questions Jim (Knight) Ford
    Corporate Sponsors Ed Wehner
    Editorial team:
    Publisher Sanjiv Bhatia Home: (314)519-9272
    Work: (314)516-6520
    FAX: (314)516-5400
    Editor Stan Reichardt Home: (314)298-1183
    O'Reilly Books Dave Mills Work: (314)230-5151, extension 103
    Presentations Open Position Send info/ideas to
    Steering Committee
    Gary Meyer Home: (314)781-8644
    SLUUG Secretary Rich Seibel
    SLUUG Treasurer Mike Kriz
    Special Interest Groups (SIGs)

    Computer Telephony
    Integration (CTI)
    Tony Zafiropoulos Phone: (314)878-9855
    Linux Matthew Feldt Home: (314)429-5433

    Submitting Articles to the SLUUG CRONicle

    If you would like to submit an article to the CRONicle of general interest to the members of the St. Louis UNIX Users Group,send The deadline for article submissions is two weeks before the next general meeting.

    SLUUG PO Box

    The St. Louis UNIX Users Group has a P.O. box. All official correspondence with SLUUG should now be sent to:

        St. Louis UNIX Users Group
        P.O. Box 411302
        Creve Coeur Post Office
        St. Louis, MO  63141-9998