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Re: Sobig.f surprise attack today

  • From: Patrick Muldoon
  • Date: Thu Aug 28 16:39:13 2003

On Thursday 28 August 2003 04:24 pm, Mike Tancsa wrote:
> At 11:14 PM 28/08/2003 +0300, Petri Helenius wrote:
> >Mike Tancsa wrote:
> >>I dont think this would work too well.  The users who are infected often
> >>think something is wrong because their connection and computer are not
> >>working quite right. So they disconnect / reconnect / reboot so they burn
> >>through quite a few dynamic IP addresses along the way.
> >
> >This is an artifact of ISPīs wanting to have static IPīs as an add-on
> >premium service
> >so they provide short lease times and change IP as often as itīs feasible
> >without
> >interrupting service unneccessarily.
> Huh ?  This is an artifact of the way PM3s and MAX 6096s work with respect
> to how IP addresses are assigned out of pools.... i.e. this is the default
> behaviour.  The same goes for our DSL pool.
>          ---Mike

It isn't about wanting to charge more for a static ip per sea, it is more 
about efficient use of address space. If  I have 10K dialup customers, if I 
go to arin and ask for a /18 so each one of my dialup customers can have a 
static ip, what do you think the response is going to be?  

Patrick Muldoon
Network/Software Engineer
Key fingerprint = 8F70 6306 F0A7 B8DA BA95  76C4 606A 7DC1 370D 752C

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