Could not open file transfer connection

Ok so how do i change the port on Linux 3.13.7

With start parameter filetransfer_port=12345. This one must be used every time or else port 30033 is used again.

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Okay so where do i input this

in terminal where you start the server
./ts3server_startscript.sh start filetransfer_port=12345

Or create/use ts3server.ini file where paramters can be entered and then command would change to
./ts3server_startscript.sh start inifile=ts3server.ini

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                              **THIS IS A FIX**

I noticed you are using Pterodactyl panel there.

Make sure you have allocated the port 30033 on your Nodes tab for the specific Node hosting your TeamSpeak server. Then go to the server and allocate the port as an “additional port” and save. Restart your server and you should be good.

source: using Pterodactyl panel for 5+ years now.

edit:
I got a message

Your post was flagged as off-topic: the community feels it is not a good fit for the topic, as currently defined by the title and the first post.

I just want to state that this IS A FIX to THIS USERS PROBLEM. It may not be what people are googling for, but this is literally a fix for the thread openers issue. If it’s not for you, don’t report out of anger.

Can you open the 30303 port and try it, I solved my problem.

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Of course this will solve the problem, voice is UDP, pictures and files are TCP, if you open these ports they will work!

But a very big problem with FTP is that the ports must be the same on the server’s LAN and on the WAN port

In other words, when connecting to the server, we will receive information about the TCP port for FTP and if another port is specified on the WAN port, then TeamSpeak3 client will not be aware of it, TS3 client will try to connect to the FTP port that transmitted the UDP port of TS3 server

if you do not fill in all the parameters in the settings (settings file), they will be ignored, you can delete the database “ts3server.sqlitedb” and the server will work normally

machine_id=0

for example:

this means that you have not configured the server and nat port forwarding to it, examine your settings, in extreme cases wireshark to study the problem

for example, my server connected via the LTE mobile Internet is working and the icons are loading - because the server is configured correctly