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firewalld [2018/09/28 16:52] – [Adding rich rule] k2patelfirewalld [2020/08/10 02:35] (current) – external edit 127.0.0.1
Line 9: Line 9:
 <code bash> <code bash>
 yum install -y iptables-services yum install -y iptables-services
-iptables-save > /etc/sysconfig/iptables .  # preserve existing rule+iptables-save > /etc/sysconfig/iptables  # preserve existing rule
 systemctl stop firewalld systemctl stop firewalld
 systemctl mask firewalld systemctl mask firewalld
Line 25: Line 25:
   source address="192.168.12.0/25"   source address="192.168.12.0/25"
   port protocol="tcp" port="9200" accept'   port protocol="tcp" port="9200" accept'
 +</code>
 +
 +==== Port redirection ====
 +Using following command one can redirect port traffic to another.
 +<code bash>
 +# iptables -t nat -A PREROUTING -i eth2 -p tcp --dport 8080 -j REDIRECT --to-port 8443
 +firewall-cmd --permanent --direct --add-rule ipv4 nat OUTPUT 0 -p tcp -o lo --dport 8080 -j REDIRECT --to-ports 8443
 </code> </code>
firewalld.1538153555.txt.gz · Last modified: 2020/08/10 02:30 (external edit)