[Online, etc.] yuan asks experts to help write an IPtable firewall.

[Online, etc.] yuan asks experts to help write an IPtable firewall. -- Linux general technology-Linux technology and application information. For details, refer to the following section. The rules are as follows:
Disable all ports, including anti-ping.
Open Port:
1. Enable ports 29009 and 22 to allow all IP addresses to access port 29009 and port 22 of the local machine.
2. enable port 355. Only the IP address 222.222.22.2 is allowed to access port 555 of the local machine.
3. Allow the local machine to access port 1433 of 222.222.22.2.

Contact me if you want to write it. QQ 421000014

[ This post was last edited by pipihua]