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ufw学习笔记

1、常用命令

# 显示UFW防火墙的当前状态和规则
ufw status
# 列出所有UFW规则和它们的编号
ufw status numbered
# 删除编号为N的UFW规则
ufw delete N
# 从UFW(Uncomplicated Firewall)中删除一个规则,该规则允许通过TCP协议在54321端口上的流量
ufw delete allow 54321/tcp