Question about Buffalo Technology WHR-G54S Wireless Router (WHR2G54S)

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Cannot get onto internet

I have the Buffalo router and I can connect to the internet fine on my laptop and my desktop computer. However, when I try to use my laptop from work at home, I cannot get onto the internet. When I display the list of wireless connections, I see the Wireless Network Connection and the status shows Connected, Firewalled. Is there a setting on my internet connection to only allow certain computers access? When I travel with my work laptop, I have to problems finding a wireless connection and geting onto the internet. Thanks!

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Disable the firewall on control panel.
check all the properties boxes on the network
connections and make sure firewall is disabled.

access the router setup and make sure that VCI is set to manual
and that you enter in the settings yourself (eg: 0,38 for aol broadband). Don't leave VCI, etc on auto, the router can't handle it.

Posted on Feb 21, 2009

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I have seen this happen when a router stores a "CACHED" address for a website. The only solution is to power off the router (reboot wont always resolve).

Other things to check:
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I have a Buffalo WBMR-G54 ADSL Router. The local IP address of the router is 192.168.1.1. My Medion desktop computer connects connects to my Buffalo router using an Ethernet cable. I use the wireless...


> Zone Alarm free firewall and Avast antivirus have been installed on both computers

Your router is already acting as a "firewall" to block "unsolicited" traffic from reaching the computers on your LAN. So, unless you use Zone Alarm to block "outgoing" connections
(such as a computer-virus would try to make when "calling-home", there's little benefit
to using the Zone Alarm software.

> If I use Internet explorer to connect to http://myname.dyndns.org, Internet Explorer does connect successfully to the network. However, it invites me to enter the username and password for my Buffalo WBMR-G54 router - not for the storage drive.

While you are "forwarding" TCP port 21, you are not "forwarding" TCP port 80 (as used by the 'http://' protocol). So, when you connect from the Internet to your "public" IP-address, it is the router that responds, rather than one of your computers inside your LAN.

IMHO, it is "bad" that your router's web-interface is "exposed" to attacks from the Internet.
Either "forward" TCP port 80, or configure the router to use a _different_ port number for "remote management".

> If I enter the Router user name and password, that allows me to access the Router menus via the Internet, which confirms that my account at DynDns has translated the IP address successfully.

Correct. Hopefully, you're the only one who knows the correct username/password, and there is nobody that is doing "brute-force" attacks on your router, trying to login to "hijack" your router.

> if I use Internet Explorer or FileZilla to access ftp://myname.dyndns.org, I cannot connect to the router

Correct. The 'ftp://' protocol uses TCP port 21, which the router is "forwarding" to one of the computers on your LAN.

> or the storage drive - so I cannot access any of my files remotely.
> FileZilla reports -Status: Resolving address of bob1944.dyndns.org
> Status: Connecting to 78.144.xxx.xxx:21...
> Status: Connection established, waiting for welcome message

So far, so good.

Is FileZilla expecting a "specific" content in that "welcome" message, or will "any" response be "close-enough" ?

On a computer on the Internet, open a command-line prompt:

Click Start
Click Run
Type CMD
Press Enter
Enter FTP bob1944.dyndns.org
Press Enter
Do you get a "connecting" message?
Do you get a "connected" message?
Do you see the "welcome" message?

Note that the FTP protocol usually uses _two_ ports for File Transfer:

* port 21 for "control" (sending/receiving commands/responses)
* a "random" port for "data" transfers (including directory-listings)

It's this "random" port that your router is not forwarding.

However, some FTP-clients (probably including FileZilla) and some FTP-servers
support "passive" mode, where both the "control" and the "data" connections "share" port 21.

So, configure FileZilla to use "passive" mode, and _hope_ that your FTP-server supports "passive" mode.

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It might not be a router issue. If there is a DNS conflict, then check the connection settings on your computer. If possible, automatically assign IP and DNS.

Primary DNS should be the IP of your router or internet gateway (192.168.1.1 or similar). Secondary DNS 4.1.1.1

If your router is connected to the net and you can receive and send data, then the problem will be a local one (LAN rather than WAN).

If all else fails, reset the router and start from scratch.

Wheal :)

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u set up ur buffalo airstation on the 1st laptop tat is working fine,,and at tat time u secured ur wireless network.so tat no one can else can connect to it..specially ur neighbours..u have to use tat password on the new computer.and tat will do it

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Help us help you...

1. What brand and model of laptop?
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connect your computer straight to your internet modem.

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Set -up your computer using the internet connections wizard on each of your respective computer.

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