[plug] Modem disconnects

[Mike Holland]

W.Kenworthy wrote:

> It turns out, some cheaper modems can interpret some AT type text
> commands in outgoing (only!) emails as configuration commands with dire
> results. 

e-mail? Its worse than that. A simple ping can persuade the modem top 
hangup. e.g.

$ ping -p 2b2b2b415448300d  <host>

See http://attrition.org/security/denial/w/mod-ath.dos.html

Anything that causes the PC to send '+++ATH0
} } }#}$.#}%}&..}=3Dr}'}"}(}"..~
NO CARRIER