<html><head></head><body> This reminds me of Oracle Cloud and Ubuntu’s FW. It is known to have a conflict between both. You had to drop UFW and rely on Oracle’s VPS own firewall. Otherwise, many connections would not get through, if at all. <div dir="auto"><br></div><div dir="auto">As a personal recommendation, I’d stay far from Ubuntu. <br><div><br></div></div></body></html>