iprange:该模块支持--src-range、--dst-range匹配条件,允许指定一段连续的IP地址范围。 例,iptables -t filter -A INPUT -m iprange --src-range192.168.1.1-192.168.1.10 -j DROP; string:该模块支持--string、--hex-string匹配条件,允许指定字符串来匹配包含对应字符串的数据包。 例,iptables -t filter ...
iprange:该模块支持--src-range、--dst-range匹配条件,允许指定一段连续的IP地址范围。例,iptables -t filter -A INPUT -m iprange --src-range 192.168.1.1-192.168.1.10 -j DROP; string:该模块支持--string、--hex-string匹配条件,允许指定字符串来匹配包含对应字符串的数据包。例,iptables -t filter -...
iprange:该模块支持--src-range、--dst-range匹配条件,允许指定一段连续的IP地址范围。例,iptables -t filter -A INPUT -m iprange --src-range 192.168.1.1-192.168.1.10 -j DROP; string:该模块支持--string、--hex-string匹配条件,允许指定字符串来匹配包含对应字符串的数据包。例,iptables -t filter -...
tcp的客户端 importsocketimporttimedefsend_tcp_data(ip, port, message):#创建一个socket对象with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:try:#连接到服务器s.connect((ip, port))print(f"已连接到 {ip}:{port}")#将消息转换为字节发送s.sendall(message.encode("utf-8"))#接收服务...
You can also block an IP address range like below. sudo ufw insert 1 deny in from 192.168.0.0/24 to any port 25 proto tcp To block an IP address from accessing all ports on your server, run sudo ufw insert 1 deny in from 12.34.56.78 ...
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You can also whitelist (allow) or blacklist (deny) specific IP addresses or range of addresses using UFW. $ ufw denyinfrom 192.168.0.103 $ ufw denyinfrom 172.19.0.0/16 The latter command will block incoming packets from IP address from the range of 172.19.0.0 to 172.19.255.255. ...
sudo ufw deny from [IP_address] to any port [port_number] Use the two commands to block traffic from suspicious IP addresses or secure a specific port. Deleting UFW Rules The UFW firewall allows deleting rules. There are two ways to remove a rule: ...
This will block the IP address from accessing all of your open ports. However, if you want to block the IP address from being able to access a particular port, you can use the next example: sudo ufw deny from 24.25.26.27 to any port 80 ...
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