iptables example

sudo iptables -F
sudo iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
sudo iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT

sudo iptables -A INPUT -p tcp --dport ssh -j ACCEPT
sudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT
sudo iptables -I INPUT 1 -i lo -j ACCEPT
sudo iptables -A INPUT -j DROP

iptables-save > /etc/sysconfig/iptables
iptables-restore /etc/sysconfig/iptables




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sudo firewall-cmd --zone=public  --add-port=80/tcp --permanent
sudo firewall-cmd --zone=public  --add-port=443/tcp --permanent
sudo firewall-cmd --zone=public  --add-port=7443/tcp --permanent
sudo firewall-cmd --zone=public  --add-port=8443/tcp --permanent

sudo firewall-cmd --zone=internal--add-source=10.0.0.0/16 --permanent
sudo firewall-cmd --zone=internal --add-port=5432/tcp --permanent

firewall-cmd --permanent --zone=internal --add-rich-rule='
  rule family="ipv4"
  source address="10.0.0.0/16"
  port protocol="tcp" port="5432" accept'

sudo firewall-cmd  --reload

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BAM behind a proxy http://wso2tech.blogspot.be/2015/05/wso2-bam-behind-reverve-proxy-using-apache-http-server.html