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4.3.3 Ensure iptables are flushed with nftables

Audit#

Run the following commands to ensure no iptables rules exist

For iptables: 

# iptables -L
No rules should be returned

For ip6tables: 

# ip6tables -L
No rules should be returned

Remediation#

Run the following commands to flush iptables:

For iptables: 

# iptables -F

For ip6tables: 

# ip6tables -F