Unable To Resolve Webserver Locally By Domain Name?

Apr 12, 2012

I am running a webserver locally and I am unable to resolve it by domain name (e.g. mydomain.com) when I am inside my network. However, I am able to hit it internally (e.g. just fine. When I try to access mydomain.com from inside my network it comes up with my Actiontec router's admin page on is my configuration:Actiontec FIOS router (connected to internet)DHCP disabled Netgear Router is in the DMZHas cable running from Actiontec's LAN port to Netgear's WAN port[CODE]


Cisco WAN :: 6500 - Remote Vpn Users Cannot Access Webserver Locally

Sep 14, 2011

I configurated ipsec remote vpn at catalyst 6500. my servers are assigned this subnet
vpn user:  ----  webserver ip address


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Hosting Website On Network - Doesn't Resolve Locally?

Dec 12, 2011

I am setting up a webserver to host our website on our local network. When I'm browsing from an external network, I can pull our website example.com and a sub domain test.example.com. However, when I'm browsing from our internal network, I cannot pull up test.example.com. I am not sure if this is due to propigation issues or what.When I do nslookup from external, it shows my network's main IP address. When I do it from local, it can't find an address and says non-existent domain.Should I have any problems connecting to my website if it is using my external IP address? Will this be a loopback problem? If so, how can I resolve this?

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May 4, 2013

My Belkin router has an option to set a local domain name, which, I suspect, allows me to address hosts within my own network using this domain. By default, this is set to be "Belkin". Is it possible to call hosts within my network like this, e.g. ping foobar.Belkin instead of ping The thing is, my routers internal page shows all set host names (so dh client seems to work) and the router itself is reachable as router.Belkin, but no other hosts are. My problem here is that the router knows each hosts name, but the hosts don't know each others name. How can I fix that?

Note: Nmap showed that port udp/53 for DNS is open on my router, but I can't find any way to configure it on the Web-interface.

Add:// It's a "Belkin F7D3302 v1"

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Jul 23, 2011

I have a sg300-10 switch. i update the firmware with the last one. Things are complicated when i create 2 VLAN. ( really 1 VLAN cause the first is native ).So i have the first VLAN with the interface ans the VLAN 2 wich IP is

I'm connected with my workstation ( ip : with GW ) and i try to ping a web server on VLAN 2 ( ip : GW )

Ping is OK ! But when i try to reach any ports of the webserver : Nothing.

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Unable To Resolve Server's DNS Error

Apr 23, 2012

My laptop is connected to a router via wifi but it keeps getting a DNS fault. I have another PC linked to the same router via WiFi and that works perfectly all the time. I have the same problem on both google chrome and IE browsers where I just get the message telling me that the DNS look up failed. My internet is still connected as I can dial into my remote CCTV cameras and I can ping website ip addresses. Most times I can just turn off my wireless adapter and turn it back on and it works for another hour or so. But sometimes it wont work all day, unless I start my laptop in safe mode, when it works everytime! I have flushed the DNS cache several times but to no avail.

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Unable To Resolve Target System Name

Feb 8, 2012

My company recently purchased a custom domain name through In Motion Hosting (inmotionhosting.com) which has worked great up until today. As of this morning we are not able to view our webpage online (ronnysinc.com) or any inmotionhosting pages including our email accounts. However, we can view any other website and computers outside of our network seem to be able to view those pages without any problem. [code] As you can see it works fine with any other website such as google. My initial thought was it was being blocked by our firewall but when I log into the router I do not see any firewall settings that would create this block. I also tried resetting the router and flushing the DNS with no success.

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Error 105 - Unable To Resolve Server DNS Address?

Jan 15, 2012

I have been trying to connect to the Internet via a wireless connection but keep receiving the above error. None of the Windows solutions resolve the problem. On Google Chrome I see a screen saying 'This web page is not available', and receive 'Error 105: Unable to resolve the server's DNS address'. I cannot access Internet Explorer either.The strange this is that this problem only seems to occur with some wireless networks, as I can connect fine at home. In certain places, however, I am told that I am connected but that accss is 'Local Only', and I cannot open any browsers. I need the problem resolved as soon as possible as I cannot access the internet where I need it most.

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Error 105 - Unable To Resolve The Server's DNS Address

Feb 8, 2013

Error 105 (net::ERR_NAME_NOT_RESOLVED): Unable to resolve the server's DNS address.

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Mar 27, 2011

I am using the Cisco VPN Client - and am having an issue connecting to my ASA 5510 via VPN.  This issue is happening on 1 of our laptops.  All other laptops connect just fine.  So the problem is not in the ASA.  I have double checked the client setup and config and it too is correct.  The interesting thing is, we are connecting to an IP Address and not a host name.

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Netgear WGR614 V9 Router - Unable To Resolve Server DNS Address / Error 105?

Dec 27, 2011

I'm connected through the router, a few times a day I cannot open web pages, getting error: Error 105 (net::ERR_NAME_NOT_RESOLVED): Unable to resolve the server's DNS address.Skype continues to work. Here are the results of pinging:


Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:UsersSri Guru>ipconfig /all[code]....

One technician said that this is the providers problem, but I don't think so. When I restart the modem everything works.I have a Netgear WGR614 v9 router.I use ESET 5 security. Btw, connection drops on all computers connected through the router, so it's not my firewall.

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Jan 1, 2013

I have a Cisco 1721 router with an ADSL wic. I have followed guides on the Cisco website so that I can connect the router to my home adsl connection. The router connects to my broadband provider and sucesfully obtains an IP address along with Dynamically assigned DNS servers. I am able to ping google.co.uk from the router but not from clients attached via DHCP.
I have noticed that if I ping the IP address of google.co.uk from a client it resolves but it will not resolve the name. This would lead me to believe that the problem lies with DNS resolution/forwarding but I do not know how to investigate further.

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Jul 1, 2012

I am working on adding a mapping to our external address for our mail server - let's call it mail.example.com
I would like to be able to access mail.example.com internally for our user's smartphones - if they access our company WiFi they are not able to get mail using the mail.example.com as the server name in their phone setups.  However, once they leave the office and use any other WiFi it works fine. Also, I am unable to ping that address from any internal device.  I believe also this is the reason Exchange accounts do not work on our site to site VPN connections.
I have a ASA 5520 and work primarily in the ASDM 6.4 to do configurations in the main office and have 5510 in our site to site connections.

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Feb 3, 2011

I'm having issues joining a remote PC to the corporate domain. The VPN we're using is SonicWall.Here's what the error is: Note: This information is intended for a network administrator. If you are not your network's administrator, notify the administrator that you received this information, which has been recorded in the fileC:Windowsdebugdcdiag.txt.The domain name "creatormail" might be a NetBIOS domain nameIf this is the case, verify that the domain name is properly registered with WINS.If you are certain that the name is not a NetBIOS domain name, then the following informationubleshoot your DNS configuration.The following error occurred when DNS was queried for the service location (SRV) resource record used to locate an Active Directory Domain Controller (AD DC) for domain "creatormail":[CODE]

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Jun 18, 2011

I have recently been trying to download a file but every time that I've tried, the download stops at the exact same point, saying that it is "unable to complete the download". It gives the error message: NSURLErrorDomain error -1.

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Apr 23, 2011

I have configured a my desktop as a domain controller with server 2008..with dns service running on it. When i tried adding another desktop to this domain, i get the following error message

"Troubleshooting network identification Error: This computer successfully resolved the Domain Name System (DNS) service (SRV) resource record required to locate a domain controller, but it failed to locate a domain controller for the Active Directory domain displayed in the error message.

Cause: The required A (address) resource records that map the name of the domain controller to its IP address do not exist in DNS.

Solution: Verify that the required A resource records do not exist in DNS by using the Nslookup command-line tool.

See also: To verify that A resource records exist in DNS. Cause: The domain controller advertised in DNS may not be connected to the network or is connected to the network but is not running.

Solution: Verify connectivity and then verify that the domain controller is running.

See also: To test a TCP/IP configuration by using the ping command; DNS requirements for joining an Active Directory domain."

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Nov 1, 2011

Work station of domain network stopped accessing the server and internet. Assigned IP address, since DHCP would not hand out automatic IP address. Was working fine before today.

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May 21, 2012

We just had a TEW-72GR router fail and replaced it with a TEW-GR. Now I am unable to get to my domain (mydomain.net) from outside the network. Inside the network, all appears to be fine. I can enter that address and get to the site with no issues.We use SBS 2008 with windows 7 clients.All clients can get out to the web, we can send and receive emails, but I can not access the domain.

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Cisco Wireless :: 4400 - Laptops Unable To Access Domain

Dec 22, 2011

We have a several cisco 4400 wireless controllers and a cisco WLC. All clients autheticate to an AAA server. Acces points are cisco LWAP 1242. Security is PEAP TKIP ms-chap. Machine and user authetication. Settings are pushed out through grou policy. A new user can log on to a laptop (without cached credetials) and get all their network settings....most of the time. Randomly we have laptops that after being restarted, recieve "yourdomain.com is not availalbe" error message. The laptops will work fine for weeks and then random laptops start to get this error. If we wire them into the network, run a gpupdate, they logon fine. Shutdown, unplug, and the wireless works fine again.. I am not sure if this is an ms group policy issue or a wireless issue. Any setting change or a gp setting that I may have missed??
Clients are mostly windows 7 some XP Domain Windows 2008r2
ACS 4.2
Group policy settings - wifi config settings enabled and configured correctly Always wait for network enabled.allow fast reconnect disabled (was recommended by a cisco tech) Disabled computer passwords for domain about 2 months ago to see if the computers reseting their passwords were an issue.

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Mar 30, 2013

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Feb 8, 2012

I need to be VPN'd in to work all day but during the day I need to print to my home network printer. The work around has always been to press print then disconnect from VPN, wait for the document to finish then reconnect VPN. This is starting to get on my nerves and I was hoping that there was a way to be on VPN through my physical LAN and maybe print over my wireless network. Is there a way to separate traffic in Windows 7?

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Dec 20, 2011

Im currently working on setting up a small network at home. I have a Dell 2716 and a dell 2650 server running windows server 2003. Ive already setup the dns and domain controller on my server. I have 3 desktops that will connect to the server. so far I have the following setup. ISP---> Dell 2716 --->dell 2650/ computers. I set the computers prefered dns to the servers ip. Im able to join the domain and log in but is there a better way to set it up. Also the server and computers are set to static ip.

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Feb 17, 2013

I am running a websever on virtual machine on ubuntu .how can i forward all traffic coming to my ip to virtual machine which is on my LAN.here are my configs.

OS - Windows 7
Router - DLink
Virtual machine network Setting - Bridged adapter.

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Cisco :: Can't Ping WebServer Of DMZ Zone Using Public IP

Feb 28, 2013

I have my webserver ( located at DMZ zone. The public IP of my webserver is ( From outside i can ping my webserver using public IP thats fine.The issue out here is, if i want to ping my webserver using public IP from Internal LAN then i cannot ping but i can ping my webserver using private IP.I am using ASA5520. [code]

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May 14, 2012

We're running three networks (inside, outside and dmz). Inside is, dmz is, outside is a static ip allocated by our ISP. We'd like to configure the following:All traffic from the outside to [static provider ip] on port 80 should go to port 8080.

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Apr 24, 2011

I have one webserver which open for public via http and https. The server sit behind Cisco ASA 5510. Today our webserver have been hacked by someone. The index.html has been replaced by hacker own index.html file. Is it anyway to detect who did (by IP) this? is my Cisco ASA can give any clue about it? How to prevent from this happening in Cisco ASA? FYI, my ASA only allow HTTP and HTTPS port from outside to internal. This ASA is solely dedicated to protect the webserver.

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Apr 1, 2011

I have a computer that can no longer connect to the internet whether through the wireless or wired directly to the router. The computer will recognize and connect to the network locally. Two other computers are on the network and they are connect just fine.


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Mar 20, 2011

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Aug 17, 2011

I've tried to get my head around this but beeing used to Juniper and Watchguard devices I just can't get my home webserver published to the outside interface.I have a ASA5505 with ASA version 8.4 and ASDM version 6.4 and the basic license.

Outside interface is X.X.X.32/ so I have 5 static IP:s on my external interface, .34 is in use for the outside interface.

I have a webserver in DMZ located at and would like to publish it to the external IP X.X.X.35.I've tried to make the static NAT but every time I do either nothing goes in or out of the DMZ zone or you can't access the webserver from the outside interface.Right now I deleted all trials since none of them work so only the basic config is applied. Everything get's NAT:ed to the external interface .34 IP.

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Nov 22, 2012

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Oct 9, 2011

during the first set up I have set a password as it was requested during the installation routine. After the installation, I added the camera's IP to my browser (tried IE9 and FF). In both cases I was asked to enter the user name and the PW, but I can't access the 930. I'm using the very same PW as I had set up during the routine, but none of the browsers accepts the PW.

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Sep 20, 2011

I have home network with my Linksys E-4200.
My HP Microserver (Ubuntu +Samba+Apache) is connected via LAN. I have notebook (Windows 7). To my server (FILE+WEB) I have access only  when I connected via LAN cable. In windows 7 i see my server and have access to the files. Webserver works also properly: access with the name of the server in web browser.
But by WiFI connection, there is no access ! The server has the reserved local IP-address, like
What should I do to solve it? By typing "" i see the localhost page, but nothing more!

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Dec 18, 2012

I have the syntax correct and thought process down right on a solution to allowing guest wireless users access to an internal webserver.  (DMZ discussion aside)
We have an ASA5510 with interfaces setup as:
outside - 65.x.x.x address
inside -
guest_inet -
Internally clients resolve our website to and that part works as it should.  Clients outside of our network resolve our website to the correct external address (lets just call it We have a NAT statement static (inside, outside) netmask and an ACL to permit tcp any host eq www
Clients on our guest_int use an external DNS server and hence resolve our website to  However it seems traffic goes out and back in our outside interface and this connection never occurs.
What I'm wondering is the correct NAT statement / ACL to add that would allow our internal clients on the 10.2.1.x network to access our internal website.  Would that be: static (inside,guest_inet) netmask ?  Since there is already an ACL permitting port 80 traffic to we should be taken care of on the ACL side of things, right?

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Apr 23, 2012

I need viewing a DVR camera system remotely through a Motorola Netopia 3347 router. I was able to view the system properly for a year with the old ATT modem and a separate router, but recently the modem crashed and ATT replaced it with this Netopia that I can't for the life of me, understand.I can view locally but not remotely from the internet. I need establishing the Pinholes properly. I'm trying to get it working for port 85 for the DVR system. But I'm confused on the Internal vs. External port #'s it asks for in the Pinhole screen. No combination I enter seems to work. I even tried just using port 80 to get it working, but there was a conflict creating a pinhole for 80 since its already mapped to HTTP.

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Mar 11, 2012

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I redistribute our MPLS eBGP routes into our internal EIGRP process at each site. This action undesirably redistributes locally generated BGP networks (via network command) that are meant from the MPLS cloud into our internal routing process.I currently have a route-map on my 'redistribute bgp' command that filters each network manually with an ACL. This works but adds obvious administrative overhead; each WAN router advertises different networks, and the ACL must be updated for each new network.Would it make more sense to simply deny routes from BGP to EIGRP with a metric of 32768? Something like this,route-map deny-local-bgp deny 10 match metric 3276 router -map deny-local-bgp permit 20,router eigrp 100 redistribute bgp 65104 route-map deny-local-bgp.

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