On Thu, 31 Oct 1996, Ken Kempster wrote:
> On Thu, 31 Oct 1996, Bruno Raoult wrote:
>
> > Hi,
> >
> > Someone talked in this mailing list about the port problem between
> > Reuters-3000 services and Firewall-1 services (#156 & 157).
> >
> > Unhapilly I lost the report, and I'd like to ask some questions,
> > as:
> > - Is there a security problem with this configuration?
> > - Reuters-3000 uses Full IP from customer site to Reuters
> > servers. Reuters does not want to give me details about
> > their internal security. Does someone knows something about it?
> > - Reuters uses a Real-time Unix (QNX) as session server (=gateway).
> > Does someone knows about the security of this machine?
> > - The QNX IP stack has been re-written for Reuters. Any
> > information?
> > - Reuters needs the customer to use RIP protocol. I think it
> > may be quite dangerous, as Reuters may get information about
> > our real network
> > - Reuters "RBR" service needs to share NT disks from Reuters
> > side to customer side. I think this implies the use of "considered
> > dangerous" services as 137/138/139. Is there a risk there?
>
> What we have done here is put a PIX Firewall between the session server
> and our internal network. IP's on our internal network are remapped
> to bogus ones on the session server side.
How do you manage UDP ports? Do you let them pass through your PIX?
Do you trust Reuters translated addresses?
> Question for you? Are you running internal DNS? If so, did you have
> problems configuring it to forward requests for session.rservices.com
> to the session server? What was your solution?
Yes, we have. But it is not yet configured. I suppose it should work *IF*
reuters DNS proxy has a "normal" way to run (it should be a simple
domain/network delegation). Which are your problems?
\|||/
(. .)
+-------------ooO-(_)-Ooo------------------------------------------------+
| Bruno RAOULT - Chess, tonight? |
| |
| Tel. (33-1) 42.13.45.19 Fax: (33-1) 42.13.69.66 |
| Kobby. (33-1) 51.01.20.71 e-mail: br @
ota .
societe-generale .
fr |
+------------------------------------------------------------------------+
|| ||
ooO Ooo
Follow-Ups:
References:
|
|