[Dshield] Rise in UCE

BarkerJr barkerjr at barkerjr.net
Tue Jan 6 19:31:23 GMT 2004

> > Filter ALL incoming attachments (most are already doing this),  and of
> > course if anyone's computer IS exploited,  to disconnect them
> > immediately before any more damage can be done.    Of course,  this is
> > very BAD medicine.
> Simple. ISP's should block outbound port 25 from dynamic IP ranges for
> customers that haven't signed up for the "I have a clue" service level,
> or for those who specifically request direct outbound email be enabled.

Not so simple.  At least a couple viruses I've seen in the past month were sent
via the ISP's mail servers.

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