[Dshield] adsl and 2 pcs

joe.duncan@hrdc-drhc.gc.ca joe.duncan at hrdc-drhc.gc.ca
Mon Jul 16 13:47:01 GMT 2001

This is similar to the setup I have and is analagous to the setups of most 
major comany networks. 

Your internet PC should have a well configured firewall/router on it with 
proper permissions set. This is also where any IDS systems should reside. On 
your data PC it should be fairly well protected having the "buffer" of the 
internet PC between it and any "live" traffic.

However, you may wish to install a small personal firewall on your data PC to 
screen outgoing access; you don't want an e-mail planted trojan opening a 
backdoor to your network from your data PC.

Joe Duncan
HRI Systems/Systèmes d'IRH
Human Resources Development Canada/
Développement des ressources humaines Canada
joe.duncan at hrdc-drhc.gc.ca
Tel: (819)997-7986
Place du Centre 1 flr/étage
200 Promenade du Portage
Hull, QC
K1A 0J9

---------- Original Text ----------

From: "Steve Mainwaring" <SteveMainwaring at matthewclark.co.uk>, on 16/07/2001 
6:57 AM:

I read its not a good idea to have 2 different firewalls running on same pc,
how about 2 different firewalls on 2 pcs?

1 'internet pc' connected via usb to ADSL. 2nd 'data pc' connected via
100base-T using Netbeui. Have Zonealarm on internet pc but nothing on data
pc. Is this safe? Is it a good idea to put zonealarm on 2nd pc? or some
other software firewall?

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