Doubt about iptables rules.



Hello,

On the chain RH-Firewall-1-INPUT, what's the mean of the rules number 1
and 2, please?

"# iptables -L --line-number
Chain INPUT (policy ACCEPT)
num target prot opt source destination
1 RH-Firewall-1-INPUT all -- anywhere anywhere

Chain FORWARD (policy ACCEPT)
num target prot opt source destination
1 RH-Firewall-1-INPUT all -- anywhere anywhere

Chain OUTPUT (policy ACCEPT)
num target prot opt source destination

Chain RH-Firewall-1-INPUT (2 references)
num target prot opt source destination
1 ACCEPT all -- anywhere anywhere
2 ACCEPT icmp -- anywhere anywhere icmp any
"


TIA,
Vinicius.

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