You haven't port forwarded correctly. Port forwarding opens a port in your firewall or router so that incoming connections from the outside world can be made with Transmission.
If the port is forwarded, other people in the torrent can see you, thus increasing your potential number of connections, which more importantly, may increase the speed of your download.
When do I need to Port Forward?
If you share your internet connection with a router, or if your broadband modem is a router itself, then you will need to forward Transmission's port by following the instructions below.
In addition, if you have enabled the Mac OS X firewall, you will need to open a port in that too. See below for details.
How do I Port Forward?
If you have an Apple Airport, or a UPnP compatible router, Transmission can map its port automatically. Most routers manufactured since 2001 have this feature.
Open Transmission.
Go to Preferences >> Advanced, and check 'Automatically map port'.
You should see a success notification and a green light next to the port number.
If you get a red dot and the message 'Port is closed', click here.
If you don't have a compatible router, it is simple to forward Transmission's port manually. For instructions click here.
If you don't use a router, that is, your modem is directly connected to your computer, you'll need to open Transmission's port in the Mac OS X firewall. For instructions click here. NB: it is highly recommended you enable the Mac OS X firewall if you are not using a router.
Keep in mind that many DSL modems also function as routers, and hence port forwarding as per above may still be necessary, even though your computer is directly connected to the modem.
How do I know if I've done it right?
Open Transmission.
Go to Preferences >> Advanced.
Check the notification next to 'Incoming TCP Port'.
If you get a green dot and 'Port is Open' then you have successfully port forwarded!
If you get a red dot and the message 'Port is Closed' then you haven't forwarded correctly.
NB: If the notification still indicates 'Closed', click here.
You haven't port forwarded correctly. Port forwarding opens a port in your firewall or router so that incoming connections from the outside world can be made with Transmission.
If the port is forwarded, other people in the torrent can see you, thus increasing your potential number of connections, which more importantly, may increase the speed of your download.
When do I need to Port Forward?
If you share your internet connection with a router, or if your broadband modem is a router itself, then you will need to forward Transmission's port by following the instructions below.
In addition, if you have enabled the Mac OS X firewall, you will need to open a port in that too. See below for details.
How do I Port Forward?
If you have an Apple Airport, or a UPnP compatible router, Transmission can map its port automatically. Most routers manufactured since 2001 have this feature.
Open Transmission.
Go to Preferences >> Advanced, and check 'Automatically map port'.
You should see a success notification and a green light next to the port number.
If you get a red dot and the message 'Port is closed', click here.
If you don't have a compatible router, it is simple to forward Transmission's port manually. For instructions click here.
If you don't use a router, that is, your modem is directly connected to your computer, you'll need to open Transmission's port in the Mac OS X firewall. For instructions click here. NB: it is highly recommended you enable the Mac OS X firewall if you are not using a router.
Keep in mind that many DSL modems also function as routers, and hence port forwarding as per above may still be necessary, even though your computer is directly connected to the modem.
How do I know if I've done it right?
Open Transmission.
Go to Preferences >> Advanced.
Check the notification next to 'Incoming TCP Port'.
If you get a green dot and 'Port is Open' then you have successfully port forwarded!
If you get a red dot and the message 'Port is Closed' or 'Port is Stealth' then you haven't forwarded correctly. NB: If the notification still indicates 'Closed' or 'Stealth', click here.
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diff --git a/macosx/TransmissionHelp/html/troubleshoot.html b/macosx/TransmissionHelp/html/troubleshoot.html
index dfc200128..b4d101a91 100644
--- a/macosx/TransmissionHelp/html/troubleshoot.html
+++ b/macosx/TransmissionHelp/html/troubleshoot.html
@@ -3,7 +3,7 @@
- Troubleshooting a Closed Port
+ Troubleshooting a Closed/Stealth Port