开启防火墙：
systemctl start firewalld
开放某端口：
firewall-cmd --zone=public --add-port=80/tcp --permanent
命令含义：
--zone #作用域
--add-port=80/tcp #添加端口，格式为：端口/通讯协议
--permanent #永久生效，没有此参数重启后失效
重启防火墙
firewall-cmd --reload
检查现有规则
firewall-cmd --list-all
centos 7防火墙开启和开放端口
Dong Wang
I am a PhD student of TU Graz in Austria. My research interests include Embedded/Edge AI, efficient machine learning, model sparsity, deep learning, computer vision, and IoT. I would like to understand the foundational problems in deep learning.
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