The Linux Netfilter system (commonly known as the iptables firewall) includes a facility to track connections provided by the
ip_conntrack kernel module. The state of a connection is tracked to allow an efficient traversal through the Netfilter firewall tables, as well as to provide the ability to filter based on detailed state of a connection.
To see if your Red Hat Enterp...
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.