Firewall technology is used to protect networks from unauthorized access and malicious activity. There are a variety of firewall products available, but most Redhat systems use the iptables firewall. Iptables is a Linux kernel module that manages the rules of the firewall.
It allows administrators to create rules to allow or deny network traffic based on specific criteria. The iptables firewall is configured in the /etc/sysconfig/iptables file.
Redhat systems use iptables to protect the systems from attacks. The iptables firewall allows administrators to create rules to allow or deny network traffic based on specific criteria.
For example, administrators can allow traffic from authorized IP addresses and networks, while denying traffic from unauthorized IP addresses and networks. iptables can also block traffic based on specific ports.
The iptables firewall can be used to protect the systems from attacks. Administrators can use the iptables firewall to allow or deny network traffic based on specific criteria.
The iptables firewall can also block traffic based on specific ports.
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