Great Circle Associates Firewalls
(February 1994)

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Subject: Gopher server on a unix host
From: johns @ oxygen . house . gov (John Schnizlein)
Date: Tue, 8 Feb 1994 17:15:27 -0500
To: Firewalls @ GreatCircle . COM

I have heard great fear regarding running gopher service on a bastion host.
The general tone of these concerns is that gopher is *too* willing to go
do things "fer" its clients.

Does anyone have a recipe for configuring gopher so that it does not open
a gaping hole in a security perimeter?
For example, is it sufficient to control what directories it reaches (a la FTP)
and replace its popen() with one that parses for and precludes ";" and similar

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