The June issue of Linux Journal (#38) will be printed 23 April 1997 and will be mailed from the printers on 28 April 1997. Subscription orders received by 3:00 pm PDT Monday, 14 April 1997 will start with issue #38. Call during normal West Coast business hours at 206-782-7733. TABLE OF CONTENTS LINUX JOURNAL #38 JUNE 1997 FEATURES Who is at the Door: The SYN Denial of Service What SYN really is, why it's needed in TCP/IP, why the denial of service attack works and how to prevent it. by Douglas L. Stewart, P. Tobin Maginnis, and Thomas Simpson Network Management & Monitoring with Linux Monitoring network activity is a necessity for today's managers. Here are some handy and easily accessible tools for doing so. by David Guerrero NEWS & ARTICLES Consistent Keyboard Configuration by John F. Bunch Ghosting onto the Net by Scott Steadman WWWsmith At the Forge: Creating a Multiple Choice Quiz System, Part 2 Further adventures in beefing up CGI quizzes, including the implementation of error checking. by Reuven M. Lerner MARKETSMITH: Shoveling Push Media A ``renegade publicist'' takes on Wired Magazine's vision of a future whose leading lights will have outgrown the Web. by Doc Searls Using mSQL in a Web-Based Production Environment Using the mSQL package and standard Unix tools to create a full-fledged, web-based database application under Linux. by B. Scott Burkett COLUMNS Letters to the Editor From the Editor: LG and IELG Stop the Presses: UniForum '97 Kernel Korner: Booting the Kernel Linux Means Business: Traveling Linux Product Review: WABI 2.2 Product Review: OSS/Linux Sound Driver Book Review: Linux in a Nutshell Book Review: Programming with GNU Software The Best of Tech Support New Products DIRECTORIES Consultants Directory Advertisers Index Marketplace UPCOMING MCNP4a---Linux and Nuclear Engineering Linux and Telephony SPICE Linux Journal is carried by some newsstands (including all Computer Literacy stores in Silicon Valley) and is delivered to newsstands by a newsstand distributor. If you know a place that sells magazines that you feel should stock LJ, send e-mail to dist@ssc.com or have them call SSC at 206-782-7733. Getting LJ on newsstands is one of the best ways we can show the non-Internet crowd that Linux is for real. Subscriptions are: US$22/year U.S. US$27/year Canada US$32/year Foreign US$39/2 years U.S. US$49/2 years Canada US$54/2 years Foreign Linux Journal P.O. Box 85867 Seattle, WA 98145-1867 Fax: +1 206-782-7191 Tel: +1 206-782-7733 E-mail: subs@ssc.com URL: http://www.ssc.com/lj/ Our public key (for encrypting your credit card number) is available by fingering info@ssc.com. Subscriptions begin with the *upcoming* issue. Back issues are available (except for Issues #1, #3, #4, #5, #7, and #30 we're out) for $5 each, or $7 each non-North American airmail. ***Note: All funds should be in U.S. dollars*** Other questions/comments can be sent to: linux@ssc.com