Messages in this thread | | | Subject | Re: Why no printk for duplicate IPs? | Date | Wed, 29 Sep 1999 16:38:21 +0200 (MEST) | From | (Rogier Wolff) |
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Alan Cox wrote: > > On the other hand, someone should still take the time to modify > > "ifconfig" to send out one or two ARPs for our OWN IP address, and if > > they get answered, it should not allow the ifconfig to complete > > (without the operator specifing something like --force). > > That becomes a denial of service attack like the Macmasher which simply > sits on a network claiming each appletalk address is used. 100% mac > free networks.
If someone on your net is catching your ARPs for you, how much service do you expect?
I thought that it was better to break outright, than to create a situation that sometimes becomes flaky.
If your "hacker" ends up being too late for 90% of the arps, the system might even seem to work a bit.....
Roger.
-- ** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 ** *-- BitWizard writes Linux device drivers for any device you may have! --* ------ Microsoft SELLS you Windows, Linux GIVES you the whole house ------
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