Ubuntu linux 下的基本操作
防火墙相关:
关闭防火墙:
- ufw disable
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开启防火墙:
- ufw enable
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" 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更详细的ufw功能用法见:ufw -h
其他linux平台下的一些(但是ubuntu下不好用):
- 查看防火墙状态: /etc/init.d/iptables status
- 暂时关闭防火墙: /etc/init.d/iptables stop
- 禁止防火墙在系统启动时启动 /sbin/chkconfig --level iptables off
- 重启iptables /etc/init.d/iptables restart
- 重启后永久性生效:
- 开启:chkconfig iptables on
- 关闭:chkconfig iptables off
- 即时生效,重启后失效:
- 开启:service iptables start
- 关闭:service iptables stop
- 或者:
- /etc/init.d/iptables status 会得到一系列信息,说明防火墙开着。
- /etc/rc.d/init.d/iptables stop 关闭防火墙
查看网络端口状态:
看看哪些端口正处于listen状态
- netstat -npl
aaarticlea/png;base64,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" alt="" />
eg:检查某一端口的监听信息
netstat -anp | grep 端口号
lsof -i | grep 端口号
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