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Security Basics: RE: Unrestricted Outbound Web Server Access Opinion

RE: Unrestricted Outbound Web Server Access Opinion

From: David Gillett <gillettdavid_at_fhda.edu>
Date: Wed, 4 May 2005 15:38:34 -0700

> There are a few common reasons to allow your webserver to have
> unrestricted outbound access. DNS for local daemon name resolution,
> SMTP for any mail that may need to be sent, NTP for keeping accurate
> time, and so on.

None of these requires *unrestricted* outbound access. In every case,
the outbound access that is necessary is well defined and can be easily
restricted to just what is needed.

David Gillett
Received on May 05 2005

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