Author: Bob Durrett
Date: 06:43:35 02/12/03
Go up one level in this thread
On February 11, 2003 at 22:53:47, Robert Hyatt wrote: >On February 11, 2003 at 17:42:53, Russell Reagan wrote: > >>On February 11, 2003 at 15:29:57, Robert Hyatt wrote: >> >>>The internet is a hostile place, but it will get better. One long-overdue >>>change is the elimination of _all_ anonymous activities, from anonymous >>>remailers, to allowing someone to send a packet that doesn't have them as the >>>return address, etc. >>> >>>It will eventually be fixed. IPV6 is one approach that is picking up steam. >> >>So eventually are we going to have to register with the government if we want to >>be on the net, or run a server, or play chess, etc.? Anyone can setup a mail >>server and mail anonymously. > > > >No. You are missing the point. You can _still_ set up a server. With >a registered IP address. And you can send as much email as you want, but >it _will_ have your ip address as the return point. And _any_ packet you >send will have to have your ip address as the return address, not some >bogus address as is used in most internet attacks. This means that you can't >send packets that you claim originate somewhere else. Not that we could stop >you from trying, but we simply turn on a simple check (in linux) to make sure >that when you send me a packet, it has a return address that is "behind" you. > >You can still use a bogus login / user name. But it will trace right back to >your registered IP address, so you can't get away with any sort of spoofing, >DOS, spamming, etc... > > > >Anyone can do just about anything if they have a >>connection. > >Not really. For example, you connect a laptop inside my CIS network, and >try to spoof, and the packets go into the toilet. I do this in both >directions. Someone outside my network can't send me packets that claim to >originate inside my network, and vice-versa. When all internet relays do this, >the problem goes away. > > > >>Seems like the only way to stop the rowdies is to monitor >>everything, but then you get into people stealing other people's online >>identities, and things quickly spiral out of control. We all know how computer >>illiterate politicians really are, and they're going to pass some law like this >>requiring everyone to have an identity, and then innocent people are going to >>start going to jail, and before we know it, the world will come to an end! How's >>that for being an alarmist? :) >> >>Anyway, there has to be some way to prevent such attacks. Whois servers usually >>have some kind of rate that you must stay below to continuing doing queries. How >>do they prevent one person from monopolizing their servers? > >Linux can do this. But the problem is that the "spoofers" appear to be >connecting from all over the world, not from one machine which would make it >easy to block. But with source-route checking, this won't be possible. Many >places are already doing it. It will become the "norm" at some point. Bob H., would you please elaborate on "source-route checking" and elaborate on what it will and will not accomplish? Bob D.
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