"too many colons in address" - While Proxying

[Avinash Kumar Thapa]

After configuring the turn server

./turner -server server.turn:3478 -u username -p password

Now, if you add the command

curl -x localhost:8080 ifconf.co

The error on the server console is

GET
ifconf.co:80
address server:3478: too many colons in address

OS Details

root@kali:~# uname -a
Linux kali 5.5.0-kali2-cloud-amd64 #1 SMP Debian 5.5.17-1kali1 (2020-04-21) x86_64 GNU/Linux
root@kali:~#