The April issue of Linux Journal (#24) will be printed soon and we will be mailing them a few weeks from now. Subscription orders received by 3:00 pm PDT Monday, February 12, will start with issue #24. Call during normal West Coast business hours at 206-782-7733. TABLE OF CONTENTS LINUX JOURNAL #24 APRIL 1996 FEATURES Choosing an Internet Services Provider If you need to choose between a BBS, an on-line service, a shell account, and a PPP or SLIP account, read this informative article. by Michael K Johnson Almost Internet with SLiRP and PPP Jim guides the neophyte through installing and using SLiRP, a freely available software package which makes an ordinary shell account act like a SLIP or PPP account. by Jim Knoble Building a Linux Firewall See how a Linux machine can be the guardian of your network's security. by Chris Kostick NEWS & ARTICLES XF-Mail Compile and configure XF-Mail, and you will have a mail program installed on your Linux box which can talk to a popmail server. by John M Fisk Finding Linux Software Eric shows us where to find the real treasures amid the plethora of software available on the Internet. by Erik Troan The Trouble with Live Data The link looked innocent enough, so David clicked on it....How Crusty the Clown led one man to serious contemplation of potential security holes. by David Bonn COLUMNS Letters to the Editor Stop the Presses Book Review: PrimeTime Freeware Kernel Korner: Dynamic Kernels: Discovery DIRECTORIES & REFERENCES New Products Advertisers Index Consultants Directory What's It?