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Article View: comp.os.linux.networking
Article #25

Re: Help: ISDN and firewall

#25
From: Bob Peterson
Date: Thu, 25 Jan 1996 15:04
43 lines
2551 bytes
In article <31052904.225B@boeing.hq.nasa.gov>, Chris Kleiman <ckleiman@boeing.hq.nasa.gov> writes:
|> H J Lu wrote:
|> ><snip>
|> > 4. To access our Class C network from the outside, we should be able to
|> >    login on the firewall machine and go from there.
|> >
|> > H.J.
|> 
|> quite frankly, I'd be reluctant to let any access through the firewall.

  Agreed.

|> the last place I worked at went with a separate dial-in connection 
|> instead; nothing was allowed through the firewall, and that was exactly 
|> the way I liked it.  You can set up a decent ISDN dial-in solution w/out 
|> exposing your firewall; unless your doing a lot of long distance calls, 
|> that's what I would recommend, for what it's worth.;-)

  Except that the ISDN solution won't work when traveling.  Most of my
dial in happens from out of town.  Another option might be to contract
with a private network, e.g., Compuserve, and establish a connection
from their net to the company LAN.  This addresses the out of town
situation, but (usually) without the bandwidth provided by ISDN.

  On a few occasions we've actually intalled an ISDN line for a one day
demo.  It actually worked!  (I was afraid the telco wouldn't get the
switch configuration right.)

  Another option, appropriate in some situations, is to establish a
server connected to the Internet completely separate from the company's
internal LAN.  This can support some needs, such as demonstrations, but
probably won't suffice for checking email.  An "outdial" capability on
such a system, configured to use a hard wired connection, could enable
terminal sessions.

|> Fefe Kleiman

    Bob
-- 
Bob Peterson             Work: peterson@csc.ti.com              Expressway Site
Texas Instruments        Home: peterson@mail.zgnews.com         North Building
P.O. Box 655474, MS238   TIMSG: RWP     Voice: +1 214 995 6080  Aisle A4
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References: <4deaub$nll@aurora.romoidoy.com> <4dgk7n$qj6@aurora.romoidoy.com> <31052904.225B@boeing.hq.nasa.gov>

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Path: arc1-ca.pugleaf.net!sislnews.csc.ti.com!choctaw!peterson
From: peterson@csc.ti.com (Bob Peterson)
Newsgroups: comp.os.linux.networking,comp.security.firewalls,comp.dcom.isdn,comp.os.linux.hardware
Subject: Re: Help: ISDN and firewall
Date: 25 Jan 1996 15:04:59 GMT
Organization: Texas Instruments
Sender: peterson@choctaw (Bob Peterson)
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References: <4deaub$nll@aurora.romoidoy.com> <4dgk7n$qj6@aurora.romoidoy.com> <31052904.225B@boeing.hq.nasa.gov>
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