i have written a php socket chat with drawnings: http://46.101.253.109/sasha/full_chat.php. WebSocket should connect to test.php
when it trying to connect to the server "test.php" starts long loading, and then error
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Accepted Answer:
finnaly works! just need to open port, turn off firewall and reboot.
sudo ufw allow 9228
sudo ufw disable
reboot