sudo ufw [action] [rule] 其中,action可以是allow、deny等,而rule则指定了要允许或拒绝的流量规则。 研究ufw如何允许特定的端口: 要允许特定的端口,可以使用如下命令: bash sudo ufw allow <port>/tcp 例如,允许端口80(HTTP服务)的流量: bash sudo ufw allow 80/tcp 研究ufw如何允许一个端口范围...
This article describes how to configure your Uncomplicated Firewall ( ufw ) software firewall to allow web traffic on port 80 (HTTP) and port 443 (HTTPS). ufw is the default software firewall for Debian®-based distributions. Prerequisites You need to
UFW – Uncomplicated Firewall An uncomplicated Firewall (UFW) is suitable for host-based firewalls; it supports IPv4 and IPv6. 1. Allow incoming port 80. The below-given command will allow all the traffic from port 80. # sudo ufw allow 80 ...
You can specify protocol by adding a /protocol next to the port number. For example: $ufw deny80/tcp TCP and UDP are the protocols that you need to concern yourselves with, for the most part. Notice the use of deny instead of allow. This is to let the reader know that you can use...
ufw allow port_number/protocol 1. ufw配置了一些特定的端口的规则,我们可以直接用。 sudo ufw allow http #允许http连接 sudo ufw denty http #阻止http连接 1. 2. 这些特定的端口定义在文件/etc/services中。 我们也可以自己配置端口的规则。 sudo ufw allow 2222/tcp #允许2222端口的TCP ...
$ sudo ufw allow from 192.168.1.0/24 port 80,443 proto tcp Delete Port From Ubuntu Firewall 1.If you need to delete one of the rules you added, first get a numbered output of all configured rules. $ sudo ufw status numbered Status: active ...
Debian系Linux安装: apt-get install ufw -y 基本操作 # 启动服务 ufw enable # 查看状态 ufw status # 关闭服务 ufw disable...default deny incoming 配置策略允许特定服务 ufw allow ssh ufw allo...
This article describes how to configure your iptables software firewall to allow web traffic on port 80 (HTTP) and port 443 (HTTPS). iptables is the default software firewall for RHEL® 6-based distributions. Prerequisites You need to have the followin
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# Restrict to port 443 (tcp & udp) #for cfip in `curl -sw '\n' https://www.cloudflare.com/ips-v{4,6}`; do ufw allow from $cfip to any port 443 comment 'Cloudflare IP'; done# Restrict to ports 80 & 443 # Restrict to ports 80 & 443 (tcp) ...