how to install iptables-mod-conntrack-extra

[new_man]

hi i am new to linux os

i have installed cent os for testing and learing

now i want to install iptables-mod-conntrack-extra but i have no idea how to do it

thks for the help (and sorry for my poor english)

[TrevorH]

What is iptables-mod-conntrack-extra? The only references to this on google are as part of openwrt where it says it supplies some modules that are part of iptables itself on CentOS 7.

[new_man]

never mind. i find the solution. thks anyway