Opening Ports for BitTorrent on the 3com 3C857 Firewall

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Before we can forward ports for BitTorrent, we should set the ports that BitTorrent uses. Here is a brief walkthrough on how to do that. Go ahead and open up BitTorrent.

In the menu at the top of your screen, click the View link. Then in the list of options that drops down click the Settings option.

A new window should have poped up that looks like the picture above. There are a few tabs at the top of this window, click the Network tab.

The number in the starting at port box tells BitTorrent where you start looking for open ports. BitTorrent works it's way up from that port number until it finds a port that is open. Every port that BitTorrent has to check takes time. So it would be a good idea to forward the port that you enter into the Starting at Port box. Many ISPs block ports in the 6000 range. Please choose a port between 10000 and 60000 then enter it into the Starting at Port box. Then enter that port into the box below.

BitTorrent's Port for incoming connections

If you plan on downloading multiple files at the same time via BitTorrent, you need to open up one port for each file. This guide will show you how to open up one port for each file. If you chose to put port 12540 into the Starting at Port box and wanted to have five files going at the same time, you should forward ports 12540 to 12544.

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Open a web browser like Internet Explorer or Firefox. Enter the internal IP address of your router in the address bar of your browser. If you do not know your routers internal IP address please read our How To Find Your Routers IP Address guide.

In the picture above the address bar has http://www.google.com in it. Just replace all of that with the internal IP address of your router. By default the IP address should be set to 192.168.1.1.

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You should see a box prompting you for your password. Enter your password now. By default your password is admin. Click the Log in button to log in to your router.

Please visit our Default Router Passwords page if the username and password shown above do not work for you. 3C857

Click the Firewall link near the left side of the page.

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Click the PCs Privileges link near the top of the page.

3C857 Start-->RouterGen

Put a dot into the PCs access authorised services only radio button.

Click the New button near the right side of the page.

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We will list a series of lines here that will show you exactly how to setup your router's firewall for BitTorrent. Go ahead and enter the settings shown below into the PC Privileges menu.

PC Privileges
PC's IP Address 192.168.2.
 
Select services authorised from this PC:
eMail(110,25)
Internet(80)
FTP(21)
News(119)


 
Block or Allow other services:
{specify ports}
All other services
End-->RouterGen

And that is it! You are done!


To test if your port has been properly opened, you can use our Port Checker tool.

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