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D-Link DIR-625 Wireless Router is Blocking Web Address

I have a D-Link DIR-625 Wireless Router. Today I cannot access a specific website by browser, ftp or ping on any of the three computers in my home network.

When I disconnect the wireless router and plug my computer directly into my modem I have normal access to the website. No other website seems to be 'blocked'.

Is there something in the D-Link firewall which would begin blocking a specific web address for some reason?

Any help is appreciated.

John

Posted by on

  • 1 more comment 
  • jshaw51 Apr 13, 2008

    Hi,

    01) The other two computers cannot access the website.

    02) It has been working fine for about a year. The trouble started several days ago.

    03) No new network hardware has been installed since the router a year ago. I don't use any third party firewall software. Just Windows XP

    04) I never tried pinging the other computers. they just share the wireless connection to the internet.

    05) Will attempt that as soon as I figure out their addresses, etc.

    06) I am not aware of anything different over the past several days, unless a virus got in.

    07) I have no other information.

    08) I have reset the router twice. It is back to factory defaults.

    09) It still doesn't connect for browser, email, ftp or even ping.

    I have looked through the router functions and everything is a blank. There are no custom settings to change that I can find.

    John

  • jshaw51 Apr 13, 2008

    Thanks for such a speedy response.

    10) Yes none of the computers behind the router can access the one particular domain.

    11) I have only tried using my main computer, which is cabled into the router, to successfully access the problem domain. It connects normally when the router is removed.

    12-15) I understand what you are suggesting but I'm having trouble figuring out how to 'spoof' the router MAC address. I've been going through the menus on the router and haven't found anywhere to change it.

    John

  • jshaw51 Apr 13, 2008

    BJ @:),

    Well it worked! I did find (finally) a section in the 'Manual Configuration' section on the router which cloned the MAC address.

    A reboot of the router and I am now connecting with the problem domain.

    I don't understand what triggered this black listing.

    In any case, I appreciate your assistance very much. Thank you.

    John

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  • 202 Answers

Hi jshaw51

HERE's D-Links listing for your router.

HERE's where you can find downloads, etc. for the router. (including an owner's manual) You'll need to choose your router's version then you'll be directed to the appropriate page.

(01) Can you access this web site from any of the other computers on your LAN (when this router is connected)?

(02) Have you ever been able to navigate to this web site from the computer you're referring to while this particular router is connected?

(03) Have you recently installed any other networking equipment or a software firewall on one or more of your LAN computers?

(04) Were you able to ping the LAN computers prior to the onset of this problem?

(05) Can the LAN computers ping your computer? If not, were they able to previously?

(06) Has anything occurred or any changes been made that precipitated or coincided w/ the onset of this problem?

(07) Do you have any other information regarding this issue?

(08) If you like, you can **first** backup your router's configuration and **second** reset it to factory defaults and see if the problem persists.

(09) You can readily restore the backup. This will just be a quick way to determine if the problem is w/ the router configuration (assuming you were able to navigate to the site in question when you 1st got your router.)

Please, post back here w/ answers to these questions along w/ any observations or questions you might have.

We'll continue to work w/ you until the problem is resloved.

Please, hold off on assigning ratings to any of the experts' contributions until you're all set and have no more questions for us. (Once you assign ratings, the problem will be automatically closed and we'll no longer be able to assist you.)

Thank you,
BJ @:)

Posted on Apr 13, 2008

  • 6 more comments 
  • B Joan Rapier
    B Joan Rapier Apr 13, 2008

    1st, thank you very much for answering the questions (and in such an orderly fashion). That really does help.



    (10) In response to your answer to question (09), I want to make sure that I understand your issue correctly... (and completely)



    When you say that it won't connect for ping, ftp, nor email **from ANY of the LAN computers when the router is installed** are you still referring to the same domain?



    (11) If so, can you ping, use ftp and send and receive email on this domain if your computer is directly connected to your cable or DSL modem (router disconnected from LAN)?



    (12) If that is the case, then, yes, there's something definetly going on at the router level.



    (13) It is possible that your router's MAC address has been black listed or otherwise blocked from accessing this site.



    (14) The MAC address that the site is going to "see" will be that of the device that is connected directly behind the cable or DSL modem (either the router or your computer).



    (15) You can try "spoofing" the WAN-side MAC address of the router by giving it the MAC address of your computer's NIC (since it DOES work w/ your computer). See if the problem goes away then.



    IF THE PROBLEM IS NOT CONFINED TO ONLY WHEN THE COMPUTERS ARE CONNECTED THROUGH THE ROUTER, PLEASE, READ ON:



    (16) Also, please, check the following file (You will need to enable viewing of hidden and system files. If you don't know how to do this, please, let me know. Also, if your operating system is not Windows XP, please, let me know that as well.)



    (17) Navigate to: c:\windows\system32\drivers\etc\



    (18) Right-click on the file called "host"



    (19) Choose to open it w/ Notepad.



    (20) Look very closely at the listings in this file. Do you see ANY derivation of the domain name in question there?



    (21) If you do, remove all occurrences. (Be mindful, however, that if that domain name is listed there by a malware detection utility that there is a good chance that the domain is known to be "hostile" or "black-listed" for some reason.)



    (22) If you are running Spyware Blaster or Spybot Search and Destroy or any other malware detection utility that can block ActiveX or modify your "hosts" file, disable them and try accessing the site again.



    (23) WARNING!! Doing so may put your computer at risk!! Make sure that you create restore points along the way so you have somewhere to go back to should you run into trouble. This is NOT a panacea, however, (using System Restore points) but can be helpful for restoring your "System State" in certain situations.


  • B Joan Rapier
    B Joan Rapier Apr 13, 2008

    Let me take a look at your manual and see if I can find where you need to go. I'll post back here in a few....

  • B Joan Rapier
    B Joan Rapier Apr 13, 2008

    Oh yes. I need to know the revision of your router (there have been a few). Take a look at the sticker on the bottom and you'll find it there.

  • B Joan Rapier
    B Joan Rapier Apr 13, 2008

    Page 20 of the manual for version C of the router has an option to "CLONE YOUR PC'S MAC ADDRESS" (My apologies. I should have used the word "clone" rather than "spoof".)



    This feature was originally intended to "fake out" those ISPs that wanted to charge subscribers for every computer using their service. By "cloning" the MAC of the computer that was registered w/ the ISP and assigning that MAC address to the WAN-side of the router, subscribers were able to circumvent their ISPs attempts at charging for every Internet-connected computer.



    To determine the MAC address for your computer:

    (A) START

    (B) RUN

    (C) CMD [ENTER]

    (D) getmac [ENTER]



    Enter this MAC address for the WAN side of your router and, please do, post back here letting us know what happened.



    Thank you

    BJ @:)

  • B Joan Rapier
    B Joan Rapier Apr 13, 2008

    To make sure you get the MAC address for the correct NIC, disable the NIC you aren't using THEN follow the steps to determine your NICs MAC address.



    IOW, if you're using wireless, disable the wired NIC on your computer and visa versa.


  • B Joan Rapier
    B Joan Rapier Apr 13, 2008

    Disable the IEEE1394 (firewire) connection, too, prior to running "getmac". Leave only the connection you are using to connect to the router enabled. This will eliminate any confusion as to what MAC belongs to what NIC or device in the "getmac" results.

  • B Joan Rapier
    B Joan Rapier Apr 13, 2008

    Terrific! Please, remember to assign a "FixYa" rating to my contributions a solution as it did resolve your problem for you. :)



    Thank you for using FixYa. Please, do come back anytime w/ questions or problems you need help w/. We are here to help.



    BJ

    @:)

  • B Joan Rapier
    B Joan Rapier Apr 13, 2008

    Once again, you are more than welcome, my friend. Thank you, kindly, for the "FixYa" rating, too!!



    If you end up w/ the same problem w/ this domain again, just enter a new MAC for the WAN side of your router. It can be any NIC MAC address (it doesn't have to be a MAC address taken from one of your LAN computers).



    Enjoy!

    BJ @:)

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