Firewall Wizards mailing list archives

Re: war dialers, are they a current threat?


From: "S. Jonah Pressman" <jonah () istar ca>
Date: Wed, 22 Dec 1999 20:09:53 -0500

"R. DuFresne" wrote:

Do folks here consider war dialers a real threat in this day in age?

Absolutely.  It's always gratifying when a small-time hack wakes in the
morning to find that his war dialer/tone locater has found an array of
machines just waiting to answer and serve up information via PCAnywhere,
Laplink, telnet, etc. etc.


How would others respond to a request in install a modem for dialup access
to a server that one cannot secure becuase:

1)  There's no compiler to install tools to try and secure the system

2)  You are supposed to make this soft chewy available to the whole inside
network

Being that your pbx has no dialback feature, what's the best way to
protect such a setup, if there is one?

A good IPsec VPN solution with certificate authentication may be the
order of the day.  Properly configured, the user can simply and securely
dial up to his/her ISP, invoke the appropriate VPN client policies, and
- presto.... enrypted and 3rd party (CA) authenticated access to the
corporate network.


Thanks,

Ron DuFresne
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