How exactly does this fit in with Cygwin and virtual machines? What is the difference between several wireless laptops spewing out e-mail, versus using any of the seemingly limitless supply of promiscuous relays on the net? Or insecure webforms. Or trojaned PC's from the last virus outbreak? Or am I just missing some key point here? On Tue, 26 Aug 2003, Sam MacDonald wrote: > A laptop wandering around a city sending out an eMail attack from > different WiFi locations could be very difficult to stop. Several > laptops wandering around a city would be just nasty. > > > Adam Maloney wrote: > > >I'm having trouble understanding the danger here. This is already a > >common hosting solution (albeit, not with Cygwin). FreeBSD and Linux both > >have software that let you run multiple virtual machines on the same > >physical hardware. And there's vmware of course. IBM has > >enterprise-class servers that can run hundreds or thousands of unique > >instances of Linux (or AIX) on one server. IBM calls this LPAR - Logical > >Partitioning. Sun also has something similar, although I don't remember > >what they call their flavor. > > > >Hosting companies like it because they can give a customer full control > >over their virtual machine, and they can't influence any other customers. > >You can buy 1 biggie-sized server and charge customers a premium rate for > >"virtual server" instead of "virtual host". > > > >This is actually more difficult to do mass-hacking versus virtual > >webhosting with Apache or IIS. Since you need to break into X machines to > >deface X websites, rather than breaking into 1 machine to deface a bunch > >of sites. And since each machine is it's own instance of Linux, it will > >likely be running different software and be patched at a different level. > > > >Granted, you have the problem that you can take out all of these virtual > >servers if the 1 machine goes down - but you have the same problem with > >virtual webhosting already. And you wouldn't be running 1000 instances of > >Linux on a big Pentium box. No, this would be a 32-way IBM p690, or a > >106-way SunFire 15k (drool). You need to lose a lot of components before > >the whole system chokes. > > > > > > > >>Vanishing websites at the click of the (X) > >>Virus distributors, script kiddies, crackers of the worst kind could > >>really kick some serious butt. And with WiFi coming in to its own we > >>could have all sorts of problems. > >> > >>Sam > >> > >> > >> > > > > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > http://www.mn-linux.org tclug-list at mn-linux.org > https://mailman.real-time.com/mailman/listinfo/tclug-list > Adam Maloney Systems Administrator Sihope Communications _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota http://www.mn-linux.org tclug-list at mn-linux.org https://mailman.real-time.com/mailman/listinfo/tclug-list