RE: Connecting an AS400 to the Internet

[Vernon Hamberg <hambergv@xxxxxxxxxxxxxx>]

Buck

At 09:15 AM 5/15/1998 -0400, you wrote:
>On Thursday, May 14, 1998 12:30 PM, Vernon Hamberg 
>[SMTP:hambergv@goldengate.net] wrote:
>-snip about hooking the /400 to the 'net */
>

-snip-

>
>I'm completely green when talking TCP/IP, so I may be all wet, but doesn't 
>your ISP at home assign you a dynamic IP address?  Doesn't this mean that 
>in order to reach the /400 from your ISP that your firewall needs to allow 
>traffic from *any AOL.COM IP address?

Yes, I get a dynamically-assigned address. But it comes from a limited
range. Our strategy is to identify the narrowest range of source addresses
(like me) that we will accept incoming. This I learn by calling the ISP.
BTW, my ISP is local, hasn't had a busy signal in over 2 years, and
otherwise gives great service. AND you can probably get addresses from a
smaller pool than from AOL, hence, more secure.

You need to ascertain your comfort level where security is concerned, i.e.,
what risk can you tolerate for what level of access and availability for
developers, etc.

Cheers

Vernon Hamberg
Systems Software Programmer
Old Republic National Title Insurance Company
400 Second Avenue South
Minneapolis, MN  55401-2499
(612) 371-1111 x480


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