Compiling options for IPTABLES to work.

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I want to get hands on experience of using iptables, DMZ firewall, DHCP firewall, etc.for which Tutorial says I need to compile kernal with following options OR as modules :

 

• CONFIG_NETFILTER

• CONFIG_IP_NF_CONNTRACK

• CONFIG_IP_NF_IPTABLES

• CONFIG_IP_NF_MATCH_LIMIT

• CONFIG_IP_NF_MATCH_STATE

• CONFIG_IP_NF_FILTER

• CONFIG_IP_NF_NAT

• CONFIG_IP_NF_TARGET_LOG

I have installed Redhat Linux 8.0 on server machine which by default installs iptables 1.2.6a.

Do Redhat 8.0 install all these modules. How to check whether these modules are installed or not. 

Thanks

 

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