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problem with accessing one web site from the private network

Posted on 2013-11-19
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Last Modified: 2013-11-21
I have a Cisco 5500 with 4 DMZ and the main network:
192.168.2.0 main
192.168.30.0 one of the DMZ's

I can tracert to the URL from the command prompt on the Cisco, no such access from the private or any of the DMZs.

I can get to the URL (www.myreviewalarm.com) on the DMZ but not the main network. On the main network I can get to any URL but this one (above).

Seems rather strange top me, any ideas?
Brian
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Question by:brianinlongmont
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13 Comments
 
LVL 6

Expert Comment

by:ButlerTechnology
ID: 39660630
Do you get the correct IP address when you do an NSLOOKUP on a machine on the main network?

Tom
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LVL 34

Expert Comment

by:Dan Craciun
ID: 39660729
Looks like a DNS issue. Can you access the site by IP?

HTH,
Dan
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Author Comment

by:brianinlongmont
ID: 39660759
NSLookup of myreviewalarm.com returns my primary DNS and the correct IP.
I can't browse to the URL with either the domain name or IP
Brian
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Expert Comment

by:ButlerTechnology
ID: 39660768
Is this an internal site on the DMZ or external on the internet?  IF it is internal  -- Does the web server hosting the site have a route that goes to the Main network?

Tom
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Author Comment

by:brianinlongmont
ID: 39660884
external on the Internet
Brian
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LVL 6

Expert Comment

by:ButlerTechnology
ID: 39660950
Do you have a proxy on your network that clients use?

Tom
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Author Comment

by:brianinlongmont
ID: 39661141
no proxy
goes from 192.168.2.0 to the cisco at .254 and then out
Brian
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LVL 57

Expert Comment

by:giltjr
ID: 39661288
Are you sure you don't have any policies on the ASA that blocks traffic to/from that IP address for the one DMZ.
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Author Comment

by:brianinlongmont
ID: 39664109
No I scanned the current config file form the Cisco and no address is blocked on 64.207..
any other ideas?
Brian
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LVL 57

Expert Comment

by:giltjr
ID: 39664147
I would do a packet capture on the ASA.
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Author Comment

by:brianinlongmont
ID: 39664218
do you know how to set that up?
What about wireshark?
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Expert Comment

by:giltjr
ID: 39664233
I'll have to post how later tonight.  You can do the capture on the ASA and then transfer to another computer and look at it with wireshark.
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giltjr earned 500 total points
ID: 39664664
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