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Windows 7: Webserver cannot be accessed externally


11 Dec 2012   #1

Windows 7 Ultimate x32
 
 
Webserver cannot be accessed externally

Hi All.

I am running a webserver with IIS, and I have setup the site binding settings as follow:

http 10.0.0.253 80

Now my hosting PC's LAN IP is 10.0.0.253. I can access my webserver from any of my PC's on the LAN via the local ip, but when I use the External WAN router IP, or my free dyndns hostname, it gets a timeout.

Note:
  1. I did forward port 80 to 10.0.0.253 on the router
  2. I did create inbound and outbound rules for port 80 on windows firewall
  3. I disabled any other Antivirus and firewalls
  4. Doing a port test on my external IP on port 80 tells me my port is open...
  5. Doing nslookup on my free dyndns hostname resolves the correct IP, and I made sure my dynamic IP is updated with the hostname

As I said, accessing my web page using the internal lan address, gives me my index page, but when using either my external ip or dyndns hostname, It cannot resolve the address.

What can be the problem?

Thank you?

My System SpecsSystem Spec
.

11 Dec 2012   #2

W7 Pro SP1 64bit
 
 

Check with your ISP to see if they allow web servers on non-business accounts - they might be blocking the connection.
My System SpecsSystem Spec
12 Dec 2012   #3

Windows 7 Ultimate x32
 
 

Hi. Thank you for the reply.
No my ISP is not blocking anything, since a friend of mine could access my webserver index page by visiting my free dyndns hostname. However, I cannot, so I guess my dns servers are not updated yet, since the hostname is new.
But when I visit my external IP in the browser, it does not return my server index page. Why is that?
My System SpecsSystem Spec
.


12 Dec 2012   #4

W7 Pro SP1 64bit
 
 

Can you try and surf to that webpage while on that friend's network? If you still cannot connect using the external IP, then we have some more head scratching to do.
My System SpecsSystem Spec
12 Dec 2012   #5

Windows 7 Ultimate x32
 
 

No my friend is not available at the moment. In trust, I will give you the domain name mapped to my external IP address:
evolutionof4.dyndns.org currently mapped to 41.185.81.207. Are you able to visit any of those addresses?
My System SpecsSystem Spec
12 Dec 2012   #6

W7 Pro SP1 64bit
 
 

both work fine for me
hmmm
My System SpecsSystem Spec
12 Dec 2012   #7

W7 Pro SP1 64bit
 
 

...and both work fine via https://www.virustotal.com/url#url

I tested the links inside a VM - then thought about a url scanner as a second opinion on getting thru to your server.
My System SpecsSystem Spec
12 Dec 2012   #8

Windows 7 Ultimate x32
 
 

OK cool. Why do you think I cannot access it from within my LAN?
My System SpecsSystem Spec
12 Dec 2012   #9

W7 Pro SP1 64bit
 
 

Quote   Quote: Originally Posted by DextrousDave View Post
...but when I use the External WAN router IP...
Tell me again how you are testing this. Are you going to another location and testing? Or can you connect to a friend's router from your location?
My System SpecsSystem Spec
12 Dec 2012   #10

Windows 7 Ultimate x32
 
 

No, I am testing myself with 2 computers. The one PC is the Web Server with IIS, and the other PC is another PC on my LAN. Web Server address (local) is: 10.0.0.253 and other LAN PC is: 10.0.0.248. My friend is in the UK and is testing from there...Why do you think I cannot access the webserver by using the domain name or external IP? I can however access it using the Web server's local ip address, which is: 10.0.0.253
My System SpecsSystem Spec
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 Webserver cannot be accessed externally




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