Static IP isn't accessible outside of the home network

Question

I have Windows 2012 server with HTTP server enabled through the firewall. I mapped my static IP to my local IIS using the router's port forwarding. Everything worked fine for awhile.

All of a sudden I found that my static IP only gets resolved in my home network (I'm using noip.com DUC to emulate it, but it's pretty stable). Haven't seen it changing in last 6 months) even though it used to work fine in any network a few weeks back.

How do I fix it and what is the problem?

Update:

tracert

 1     1 ms     2 ms     1 ms  [Kind_of_My_IP].ntlworld.ie [My_Public_IP]

pathping

Tracing route to [Kind_of_My_IP].ntlworld.ie [My_IP]
over a maximum of 30 hops:
  0  My_PC_Name [192.168.0.**]
  1  [Kind_of_My_IP].ntlworld.ie [My_IP]

Computing statistics for 25 seconds...
            Source to Here   This Node/Link
Hop  RTT    Lost/Sent = Pct  Lost/Sent = Pct  Address
  0                                           My_PC_Name [My_IP]
                                0/ 100 =  0%   |
  1    3ms     0/ 100 =  0%     0/ 100 =  0%  [Kind_of_My_IP].ntlworld.ie [My_IP]

Trace complete.

pathping to Google

Tracing route to google.com [74.125.24.100]
over a maximum of 30 hops:

  1     1 ms     1 ms     4 ms  192.168.*.*
  2    11 ms     8 ms     8 ms  [Kind of my IP].ntlworld.ie [My_IP]
  3     7 ms     7 ms     9 ms  188-141-126-1.dynamic.upc.ie [188.141.126.1]
  4    53 ms     8 ms     9 ms  84.116.238.50
  5     9 ms     8 ms     8 ms  213.46.165.18
  6    11 ms   104 ms     8 ms  209.85.252.198
  7    13 ms    18 ms    10 ms  72.14.235.141
  8     *        *        *     Request timed out.
  9    10 ms     8 ms     9 ms  de-in-f100.1e100.net [74.125.24.100]

ipconfig /all

Windows IP Configuration

   Host Name . . . . . . . . . . . . : PC_NAME
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No

Wireless LAN adapter Wireless Network Connection 2:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
   Physical Address. . . . . . . . . : C4-85-08-43-86-37
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Bluetooth Network Connection:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
   Physical Address. . . . . . . . . : C4-85-08-43-86-3A
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Intel(R) Centrino(R) Advanced-N 6235
   Physical Address. . . . . . . . . : C4-85-08-43-86-36
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::7cc9:627d:a372:d014%12(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.0.10(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : 14 June 2014 13:27:28
   Lease Expires . . . . . . . . . . : 24 June 2014 17:52:10
   Default Gateway . . . . . . . . . : 192.168.0.1
   DHCP Server . . . . . . . . . . . : 192.168.0.1
   DHCPv6 IAID . . . . . . . . . . . : 314869000
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-18-3E-44-A1-E8-03-9A-DD-05-36

   DNS Servers . . . . . . . . . . . : fe80::1%12
                                       89.101.160.4
                                       89.101.160.5
   NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
   Physical Address. . . . . . . . . : E8-03-9A-DD-05-36
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{09812F18-3847-40F7-8A73-8B3142155535}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{3C02EA27-66E8-483B-B613-9DDF25B777C2}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{25320524-8E25-4DAC-AF6F-B9E4C76F6BF8}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 11:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv6 Address. . . . . . . . . . . : 2001:0:5ef5:79fd:202a:921:a69b:85e7(Prefe
rred)
   Link-local IPv6 Address . . . . . : fe80::202a:921:a69b:85e7%16(Preferred)
   Default Gateway . . . . . . . . . : ::
   NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter isatap.{B8761C80-6080-4C2B-B307-2472A3B71C3C}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #4
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

First 2 octets: 89.100.

score 0 · Accepted Answer · answered Jun 23 '14 at 08:59

I assume that your static IP is IPv4, but I see that you have IPv6 on, which may cause a confusion.

Try to turn IPv4 off in the PC and the router.

As far as the PC is concerned, here are some useful resources.

How To Disable IPv6 On Windows 7 (article 1)

In Control Panel -> Network and Sharing Center, click the connection, then Properties, uncheck "Internet protocol version 6" and OK.

How To Disable IPv6 In Windows 7 (article 2)

To make the above change permanent, use regedit to navigate to :
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\TCPIP6\Parameters.

Click Parameters in the left sidebar, then right-click on the right and choose:
New > DWORD (32-bit). Name it DisabledComponents and set its value to 0.

Reboot to check if IPv6 is truly turned off.

Before doing registry work, ensure your backups are done and create a system restore point.

Codezilla · Answer 2 · 2014-06-23T09:15:44.443

0

Is it possible that your internal ip address got renewed from the dhcp server on your router to a new ip causing any port forwarding you've done to point to the wrong ip address in your internal network and also causing the domain from noip to point to your static ip but not the correct ip on your internal network?

Sounds highly probable that that is the issue.

edited Jun 23 '14 at 09:15

answered Jun 23 '14 at 09:09

Codezilla

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Static IP isn't accessible outside of the home network

2 Answers2