From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,bc1361a952ec75ca X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-08-01 20:11:29 PST Path: archiver1.google.com!newsfeed.google.com!newsfeed.stanford.edu!sn-xit-01!supernews.com!newshub2.rdc1.sfba.home.com!news.home.com!news1.rdc1.sfba.home.com.POSTED!not-for-mail From: tmoran@acm.org Newsgroups: comp.lang.ada Subject: Re: How Ada could have prevented the Red Code distributed denial of service attack. References: <87r8uvuu48.fsf@deneb.enyo.de> X-Newsreader: Tom's custom newsreader Message-ID: Date: Thu, 02 Aug 2001 03:11:28 GMT NNTP-Posting-Host: 24.7.82.199 X-Complaints-To: abuse@home.net X-Trace: news1.rdc1.sfba.home.com 996721888 24.7.82.199 (Wed, 01 Aug 2001 20:11:28 PDT) NNTP-Posting-Date: Wed, 01 Aug 2001 20:11:28 PDT Organization: Excite@Home - The Leader in Broadband http://home.com/faster Xref: archiver1.google.com comp.lang.ada:11021 Date: 2001-08-02T03:11:28+00:00 List-Id: > Ah, I see. Here's an interesting resource: > > http://www.ajwm.net/amayer/papers/B5000.html Ah, nostalgia. As a student assistant I worked on a B5500 MCP. I hope many of the good ideas of the last 40 years will be rediscovered by the end of the next 40. > > The 386 was designed with a lot of support for OS security(1), > > Actually, it was the 286. The 386 introduced another VM layer which > supports paging, IIRC. Wasn't the 286 selector stuff a whole lot simpler than the 386? Is it the case that it was impossible, or at least nobody ever managed, to make an OS that actually used the 386 stuff?