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[FW1] Re: Web server in DMZ



Hi Jeff,

We have created the local.arp file and added the
external web IP and the MAC of FW-1 external interface
but still unsuccessful.

In the log, it does show that it has accepted the http
traffic to the web server (on W2K) but we still do not
get the web page on our workstation (sitting on the
same subnet as FW-1 - for testing).

We were able to ping (from web server) the FW-1 DMZ's
interface. We are also able to ping FW-1 external
interface (Ver 4.0 on NT4) from the workstation (same
subnet as fw-1).

The FW-1 seems to be answering for the web server
external IP but it does not seem to route the traffic
to the web server. 

We have added a route to the NT4 

Dest           Gateway       Interface      Metric
WEB_internal   DMZ interface DMZ interface  1

We try to add a rule to allow traffic out from web
server

Source        Destination    Service
Web (w NAT)   Any            HTTP

Still no luck.

If we removed the NAT (web server) and connect to the
web server using its internal IP (DMZ subnet IP)), we
are able to get the home page.

Any suggestions?



Cheers,
Ivan

--- [email protected] wrote:
> Ivan,
> 
> *We do not have a local.arp file in the 
> c:\winnt\fw\state directory, can we just create it
> and 
> input the Web server External_ip and the Mac address
> of the FW external_ip. *
> 
> You must create a local.arp.  Try creating this file
> and you should be good to go.  If not let me know. 
> Everything else looks fine.
> 
> Jeff
> 
> 
> On Thu, 07 June 2001, Ivan More wrote:
> 
> > 
> > Hi,
> > 
> > Thanks Jeff for the info, I am using FW-1 version
> 4.0
> > on NT4. 
> > 
> > Yes, we have added the route to the Route Table as
> > below
> > 
> > route add -p internal_ip mask 255.255.255.255
> > DMZ_interface metric 1
> > 
> > We also added the arp but we created a bat file to
> run
> > during startup for the arp (we run this bat file
> > before we do the test, will there be a problem)
> > 
> > arp -s   external_ip   Mac address 
> FW1_external_ip
> > 
> > We do not have a local.arp file in the
> > c:\winnt\fw\state directory, can we just create it
> and
> > input the Web server External_ip and the Mac
> address
> > of the FW external_ip.
> > 
> > How would I check if the FW-1 is answering the ARP
> > request for the NATed address?
> > 
> > We are still unsuccessful. What else did we
> missed?
> > 
> > 
> > Cheers,
> > Ivan
> > --- [email protected] wrote:
> > > Ivan,
> > > 
> > > I have set up several web servers in DMZ's. 
> What
> > > type of firewall?  Do you have a cluster?  You
> may
> > > want to open the destination to any and check
> log to
> > > see if request coming in to a different IP.
> > > 
> > > Let me know if I can help you get up and
> running.
> > > 
> > > Jeff 
> > > 
> > > 
> > > 
> > > -----Original Message-----
> > > From: Ivan More [mailto:[email protected]]
> > > Sent: Tuesday, June 05, 2001 3:00 AM
> > > To: [email protected]
> > > Cc: [email protected]
> > > Subject: [FW1] Web server in DMZ
> > > 
> > > 
> > > 
> > > Hi,
> > > 
> > > We are trying to setup a web server in the DMZ
> for
> > > public access. But we are not successful.
> > > 
> > >   Internet
> > >   ********
> > >      |
> > >      |
> > >      |
> > >      |
> > >      |
> > > -----------
> > > |          |
> > > |          |           ----- DMZ
> > > |   FW     |-----------|   | web server
> > > |          |           ----- internal IP
> 10.1.1.100
> > > |          |                 external IP
> > > ------------
> > >      |
> > >      |
> > >   ******
> > >   Office
> > > 
> > > 
> > > In our rule base we have
> > > 
> > > source    destination    service
> > > Any       Web server     http
> > >           NAT to
> > >           external IP
> > > 
> > > We did not see any traffic connecting to this
> web
> > > server even when we try to connect to it (not
> using
> > > VPN). What did I missed out?
> > > 
> > > 
> > > Any help will be appreciated. Thanks.
> > > 
> > > 
> > > Cheers,
> > > Ivan
> > > 
> > > Jeff Lightsey V.P.
> > > 4582-E Kingwood Dr. #103
> > > Kingwood, Texas 77345
> > >> > >> > > [email protected]
> > 
> > 
> >
>
_______________________________________________________
> > Do You Yahoo!?
> > Get your free @yahoo.ca address at
> http://mail.yahoo.ca
> 
> Jeff Lightsey V.P.
> 
> 4582-E Kingwood Dr. #103
> 
> Kingwood, Texas 77345
> 
>> 
>> 
> [email protected]
> 
> www.checkyoursix.com


_______________________________________________________
Do You Yahoo!?
Get your free @yahoo.ca address at http://mail.yahoo.ca


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