Linux Today SECURITY LETTER FOR SEPTEMBER 17, 2000 Latest Security News for the Linux and Open Source Community. _________________________Sponsors__________________________ This newsletter sponsored by: VeriSign ___________________________________________________________ ------------------------------------------------------------------ ------------------------------------------------------------------ TODAY'S LINUX SECURITY NEWS: ------------------------------------------------------------------ ROOTPROMPT.ORG: AMATEUR FORTRESS BUILDING IN LINUX PART 2 "Of course, deep down there is always some potential for catastrophic security hole - in the TCP stack, the kernel, whatever. There is no alternative to accepting that, at some time, the worst happens and the only way out is to get things patched as quickly as possible. I can live with that. I just don't want it to be a biweekly event." COMPLETE STORY: http://www.rootprompt.org/article.php3?article=931 ------------------------------------------------------------------ LINUX JOURNAL: A FEW RECIPES FOR EASIER FIREWALLS "Security, as you know, is very serious business indeed. Every day, we hear of damage caused by viruses, of new exploits through which crackers compromise systems. For those of us in the information technology restaurant business, these are challenging times. We must be ever vigilant. A good firewall, then, is an excellent beginning. But how to do it simply is the question, non?" COMPLETE STORY: http://www2.linuxjournal.com/lj-issues/issue78/4218.html /-------------------------------------------------------------------\ Which security solution is right for your Web site? Before you decide, request your FREE guide, "Securing Your Web Site For Business," to learn the facts. In the guide, find solutions for: * Encrypting online transactions * Securing corporate intranets * Authenticating your Web site Get your FREE guide today at: http://www.verisign.com/cgi-bin/go.cgi?a=n042410460003000 \--------------------------------------------------------------adv.-/ LINUX JOURNAL: USING POSTFIX FOR SECURE SMTP GATEWAYS "This article is intended to bring you up to speed quickly on how to use postfix on your network as a secure means of receiving e-mail from and delivering it to Internet hosts. In particular we'll focus on deploying postfix on firewalls, in DMZs and in other settings in which it will be exposed to contact with untrusted systems." COMPLETE STORY: http://www2.linuxjournal.com/lj-issues/issue78/4241.html ------------------------------------------------------------------ SECURITYFOCUS: FORMAT STRING ATTACKS "Format string bugs come from the same dark corner as many other security holes: The laziness of programmers." COMPLETE STORY: http://www.securityfocus.com/templates/forum_message.html?forum=2&head=3342&id=3342 ------------------------------------------------------------------ Visit the other sites in the Linux Channel: Linux Planet <http://www.linuxplanet.com>, LinuxStart <http://www.linuxstart.com>, Linux Central <http://www.linuxcentral.com>, and JustLinux <http://www.justlinux.com>. 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