直接进ssh放行udp端口就行
iptables（cetnos6）
iptables -I INPUT -p tcp -m state –state NEW -m udp –dport 80 -j ACCEPT
service iptables save
firewall (centos7)
firewall-cmd –permanent –zone=public 80/udp > /dev/null 2>&1
firewall-cmd –reload
ufw (ubuntu/debian/deepin)
ufw allow 80/udp
ufw reload
https://www.bt.cn/bbs/forum.php?mod=viewthread&tid=8699&highlight=%E9%98%B2%E7%81%AB%E5%A2%99
