short Botnet list and Cashing in on DoS
Mark Andrews
Mark_Andrews at isc.org
Sun Oct 10 07:24:52 UTC 2004
In article <416833A2.9030503 at linuxbox.org> you write:
>
>> Next you'll block SIP if we start getting "spam calls"? Or any other
>> application that pops up and is used by the same people sending spam today?
>
>There is the issue of usability. Why does a Cable user on a dynamic
>range need SMTP open?
Cable modem users don't need the IPS's servers for outgoing
email. They have the "always on" connection needed to
reliably deliver email. The only reason email went via
ISP's servers back in the dialup days was to get reliable
delivery.
In the US there is even more insentive to bypass the ISP's
servers. Look are the way they have interpreted the wire
tap laws.
Sane end users would also be configuring there systems to
detect interception of email. Crypto was added to SMTP
for a reason. ISP's shouldn't be getting in the way of
using it.
Mark
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