Question about Arris SURFboard SBG900 Wireless Router (DHSBG900)

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I cannot upload via FTP, I have a motorola sgb900

It seems there is a problem with blocked port in my motorola cabelmodem

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Set up a port trigger for FTP in the "Gateway" section on the "Port Triggers" page. Click on the "Custom" link at the head of the page.

Enter these values

Name FTP
Enable checked
Protocol TCP
Port Range 21:21
Session Chaining TCP/UDP
Session Interval 600
Address Replace Disable
Multi Host Yes

Click Add, then Apply.

You should be all set. Either that, or you could turn off the firewall.

Posted on Feb 01, 2009

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2 Answers

I have belkin wireless router. How do i connect my ip cameras at work and watch it at home or anywere with internet connections.


i had a same issue before i tried hard to get it secure and connected with my camera however nothing helped me than i contact with belkin tech support and they secure my network and fixed my problem .you can contact for support and call on toll free ....hope this will help you belkin Services click here

Jul 20, 2011 | Belkin F5D8236-4 Router

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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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How can I block *all* torrents traffic with a Cisco 5540 ASA firewall. It consuming too much bandwidth


Hi there,

Well you can use the torrent software to not allowing more bandwidth, just open the torrent software (utorrent, bittorrent etc....) right click on the downloading file then goto the bandwidth allocation menu and select low bandwidth, just do this with all of the downloading things......

Good Luck!!

Thanks

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2 Answers

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Hi, your router will by default block all incoming packets from outside. You need to configure a firewall rule to allow tcp port 20 and 21 from outside and specify that it must be sent to the IP address of the pc running the FTP server software. Also make sure that your FTP server and firewall on the pc allows these ports in by checking your firewall on your pc.

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simply goto admin 192.168.2.1 or 192.168.1.1 or 192.168.0.1 you got to tell the router that you wish to kee p the port 21 open for ftp Firewall > Virtual Servers and add a entry using the port 21 and restart the router. Regards GeWiz

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1 Answer

Cannot upload pictures to an ftp site


You would open ports 20 and 21, and that would allow FTP transfer in passive mode. (Windows DOS FTP client does NOT do passive mode - so don't use that for testing)

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1 Answer

My computer shows my sgb900 with a good signal but wont connect i have a compaq laptop running 32 bit vista


Hi,

Please check the security feature which you have enabled on sgb900. I dont think that running vista or Xp will make any change.

Regards,
Amit Kumar

Mar 16, 2009 | Arris SURFboard SBG900 Wireless Router...

5 Answers

Limewire Can't Connect-Firewall Issues?


right mouse on your firewall and allow communication for the process (LimeWire.exe)

Mar 31, 2008 | Arris SURFboard SBG900 Wireless Router...

1 Answer

Motorola SGB900 WEP


In order to solve this problem you would have to connect to the router through the ethernet cable and from there you can access the settings where you would be able to see and/or change the WEP key.

Nov 13, 2007 | Arris SURFboard SBG900 Wireless Router...

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