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Sonicwall TZ 210 Intranet IIS 8

Posted on 2014-04-07
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Last Modified: 2014-04-08
I have a LAN with Dev workstations and a 2012 Server IIS8 and Sonicwall TZ 210. I don't understand why I CAN open our web site using: www.mywebsite.com ,but cannot open it using: 168.192.68.11:80
I used the 'Wizard' to configure the NAT and objects, etc...
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Question by:WorknHardr
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by:Schuyler Dorsey
ID: 39984936
Whenever you PING the public address from an external computer, it would most likely be the firewall responding to the pings, not the webserver.

As far as reaching it via the IP, is your webserver configured to serve up pages when being requested via the IP?

You used the wizard to configure NAT, did you also configure a security policy to allow inbound http traffic?
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by:Miftaul
ID: 39984937
Is 168.192.68.11 your public IP which you port forwarded to internal server.
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Author Comment

by:WorknHardr
ID: 39985714
Yes, the NAT is configured to forward WAN IP 206...... to LAN IP 168.192.68.11
I'm unsure about the Security Policy settings.
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by:Schuyler Dorsey
Schuyler Dorsey earned 250 total points
ID: 39986079
In addition to NAT, you have to setup a security policy in the Sonicwall ACL that will allow that traffic to come inbound.
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by:Miftaul
ID: 39986088
Its called Firewall Access Rule, from WAN to LAN you need to allow http.
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Author Comment

by:WorknHardr
ID: 39986434
Okay it's working now after adding this Access Rule:

     LAN    >    LAN    Any    'LAN Interface IP'    'WebSvr11 Services'   Allow   All   Enabled

and keeping these Access Rules:

    WAN    >    LAN    Any    'WAN Interface IP'    'WebSvr11 Services'   Allow   All   Enabled
  WLAN    >    LAN    Any    'WAN Interface IP'    'WebSvr11 Services'   Allow   All   Enabled

Now we can access a web site like so: http://168.192.68.11:8082

Now we can access a Web API service like so: http://168.192.68.11:8082/api/values

I also discovered by changing our other IIS webs 'Site Bindings', we can now access each site like: http://168.192.68.11:80 or :8080, etc... and still serve Internet web pages too.

Change Hostname from: 'mycompanyweb.com' to: '' (blank)
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Miftaul earned 250 total points
ID: 39986454
LAN    >    LAN    Any    'LAN Interface IP'    'WebSvr11 Services'   Allow   All   Enabled

Its strange, by default all traffic is allowed within the zone. Can you check if Interface trust is disabled for LAN zone.

WAN    >    LAN    Any    'WAN Interface IP'    'WebSvr11 Services'   Allow   All   Enabled

This is the most important and required rule, and the wizard must have created this rule.
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Author Comment

by:WorknHardr
ID: 39986541
Network -> Zones -> Zone Settings:
[Name]   [Security Type]   [Member Interfaces]   [Interface Trust]
  LAN           Trusted              X0 X3 X4 X5 X6                 Green Ck
 WAN          Untrusted           X1
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Expert Comment

by:Miftaul
ID: 39986584
Its strange why it didnt work in the first place, interface trust is enabled. All traffic within LAN zone should've been auto enabled.

Great that its working now.
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Author Closing Comment

by:WorknHardr
ID: 39986682
Yes, Interface trust & NAT, thx everyone ;)
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