Steam download ports? QOS? DDWRT? Why is steam using the wrong ports:P ephemeral?
Trying to make sure my steam game downloads don't kill the network.

Steam faq claims
27014 27050
is their download port range.

Windows performance network monitor shows steam using 6 connections in the 54xxx-55xxx range instead, i guess they are spreading download over 6 servers?

But its a strange range, its ephemeral range from what I looked up, so right now
I set the qos to treat 49152–65535 as bulk since during my googles i found other people complaining that it would jump to different ports each time they tried to qos just those ones.... so i did the entire range.

Am I stepping on other stuffs toes?

in other words should i leave that or remove that setting after i finish my steam sale downloads....

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Showing 1-8 of 8 comments
spoof Jun 30, 2014 @ 6:00pm 
no need to do any ports for steam unless you are hosting a server.

the firewall set too strict?
I'm not port forwarding, its qos.
spoof Jun 30, 2014 @ 6:06pm 
would than not mean the same thing?
the ports you are looking at for steam are server ports if you run a dedicated server.

in all my time on steam I never seen ports posted for qos , but I never used that feature in any router.
Last edited by spoof; Jun 30, 2014 @ 6:06pm
As far as I know..no

Port fowarding is a separate issue.

Qos is bandwidth management, so you have to control by ports...
most cheap routers don't have ports in qos.
they use predefined port sets, ddwrt lets you create custom sets
Last edited by MA☝Omgwtfbbqstfu™; Jun 30, 2014 @ 6:19pm
spoof Jun 30, 2014 @ 6:19pm 
I remember reading dd-wrt does not need ports in the qos but it is not something I ever used.
LoboSolo Feb 27, 2016 @ 4:41pm 
If you are looking to limit the bandwidth on steam when it is downloading a game form your library you need to use ports Destination Port: 58000-60999, Transport Protocol: TCP and then set your limit. It will use several ports in that range when its downloading. When it slows down, it tries to move to other ports in that range to find a faster connection. This range of ports has been the best that I could find for it.
Last edited by LoboSolo; Feb 27, 2016 @ 4:48pm
CyberDNIWE Dec 6, 2024 @ 9:46am 
8 years later, any updates on this? Cant seem to figure out QoS settings for steam downloads either...

Edit: seems like steam is using a bunch of connections on port 443 (aka HTTPS port) so using external QoS on routers to manage downloading speed is practically impossible without affecting normal web traffic as well. Shame.
Last edited by CyberDNIWE; Dec 6, 2024 @ 10:21am
марiя про Dec 6, 2024 @ 10:16am 
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Date Posted: Jun 30, 2014 @ 5:58pm
Posts: 8