I. Introduction of APF Firewall
APF is a Linux under the Iptables firewall, by the R-FX networks development and maintenance, the implementation code is basically shell. Personally think this is the most easy-to-use and powerful firewall script
What is APF?
apf:advanced Policy Firewall is a software firewall in the Linux environment produced by Rf-x Networks. APF uses the Linux system default iptables rules. APF can be considered one of the most famous software firewalls in Linux.
Download
APF (Advanced Policy Firewall) is a software firewall in the Linux environment produced by Rf-x Networks, which is used by most Linux server administrators and is easy to understand and use with iptables rules.One, download, install APFLinux
The heart of the people must not be. There are always some boring or intentional people on the Internet. I don't have much to say. On dry Goods, configure VPS APF to prevent small traffic DDoS attacks.
For large traffic DDoS attacks, the need for
The Advanced Policy Firewall (Advanced Policy Firewall) is a software Firewall in the linux environment produced by Rf-x Networks. It is adopted by most Linux server administrators and uses iptables rules, easy to understand and use. Www.2cto.com is
Test system: CENTOS7
Modify the connection port to modify the configuration file
vi /etc/ssh/sshd_config
Remove the comment from Port 22 to add a new port configurationport your_port_num
Custom port selection recommended
What is an ASF? Advanced Policy Firewall is a software Firewall developed by Rf-x Networks in Linux. This API uses the default iptables rule in Linux. It can be regarded as one of the most famous software firewalls in Linux.Download the latest
What is an ASF?
Advanced Policy Firewall is a software Firewall developed by Rf-x Networks in Linux. This API uses the default iptables rule in Linux. It can be regarded as one of the most famous software firewalls in Linux.
Download the latest
Although Linux is more secure than Windows, some simple security configurations are necessary.
There are a lot of tools on the Internet to scan your admin password with a dictionary, we can create some trouble and increase the possibility of being
Defense principleThe principle of DDoS deflate is to use the netstat command to find a single IP that emits an excessive amount of connectivity and to reject the IP using the iptables firewall. Because the iptables firewall is far more efficient
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