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DMZ desing & implementation

By sadiqah ·
We would like to build and extend our LAN to expose some services (MS Exchange 5.5 with OWA/MSSQL7 & other systems) to the Internet. We would like to utilize Linux as router & firwall and if any other function required. Any one can help ous making the blueprint of this network and the required static IPs, hardware and software.

Appreciate any help.

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DMZ desing & implementation

by erikdr In reply to DMZ desing & implementati ...

I'm afraid DETAILED design will require a consultant, and whether you can get that for free is doubtful. However you can come a long way by asking vendors (Linux-specialised in your case) for a pre-sales offer including drawings etc.

For a high-level design, you will find enough on the Internet; both in general searches (phrase 'DMZ' or so) or as whitepapers from vendors like Cisco or Checkpoint. Leave out the product names and focus on the functions. A few headlines:
* Three-homed (both inner and outer fwall on one machine) or separate machines?
* Proxies, and yes then in one or two directions?
* Ports to expose
* Level of management wanted (e.g. intrusion detection).

Hope thiz helpz,

<Erik> - The Netherlandz

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DMZ desing & implementation

by sadiqah In reply to DMZ desing & implementati ...

I did not ask for detail, just overall view of one who had experience in this issue. Anyway, thanks Mr. Erik and appreciate your effort.

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DMZ desing & implementation

by jlepich In reply to DMZ desing & implementati ...

Take a look @ these docs posted by the NSA....


http://nsa1.www.conxion.com/win2k/guides/w2k-1.pdf

http://nsa1.www.conxion.com/support/guides/sd7.pdf
Jesse
ISSO
jlepich@pcrmc.com

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DMZ desing & implementation

by sadiqah In reply to DMZ desing & implementati ...

These are excellent resources that helped me in the design and implementation phases of the project. Thanks alot Jesse:-)

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DMZ desing & implementation

by Nels In reply to DMZ desing & implementati ...

Take a look at Smoothwall. It is a helluva firewall package for cheap. Cheap in money not in function and protection.
www.smoothwall.com

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DMZ desing & implementation

by sadiqah In reply to DMZ desing & implementati ...

Totally not related to the question.

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DMZ desing & implementation

by sadiqah In reply to DMZ desing & implementati ...

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