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Welcome to DataDirect Hybrid Data Pipeline : Deployment scenarios : Standalone deployment : Firewall and port redirection using iptables for standalone deployment : Creating the iptables configuration file
  

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Creating the iptables configuration file
Create the file /etc/sysconfig/iptables containing the content displayed here (your configuration may be slightly different). This will require root privileges.
# Generated by iptables-save v1.4.21 on Thu Jun 23 09:05:43 2016
*nat
:PREROUTING ACCEPT [1100:133346]
:INPUT ACCEPT [1:48]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
-A PREROUTING -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8080
-A PREROUTING -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 8443
-A PREROUTING -p tcp --dport 8080 -j MARK --set-mark 1
-A PREROUTING -p tcp --dport 8443 -j MARK --set-mark 2
COMMIT
# Completed on Thu Jun 23 09:05:43 2016
# Generated by iptables-save v1.4.21 on Thu Jun 23 09:05:43 2016
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [378:34583]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -m mark --mark 1 -j DROP
-A INPUT -p tcp -m state --state NEW -m tcp --dport 8080 -j ACCEPT
-A INPUT -m mark --mark 2 -j DROP
-A INPUT -p tcp -m state --state NEW -m tcp --dport 8443 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
# Completed on Thu Jun 23 09:05:43 2016