A Relay/TCP connection is established when a direct connection cannot be established. Try to log in to one of the gaming networks. If most of the connections to the participants of the gaming network are Relay/TCP, then the reason for this is most likely on your Internet provider side. Getting a public IP address from your provider or connecting through another Internet provider may help.
There may also be a problem due to a gray IP, if it is banned somewhere along the chain, try to get it from your provider, if possible, White IP() for testing
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A Relay/TCP connection is established when a direct connection cannot be established. Try to log in to one of the gaming networks. If most of the connections to the participants of the gaming network are Relay/TCP, then the reason for this is most likely on your Internet provider side. Getting a public IP address from your provider or connecting through another Internet provider may help.