Redirecting Rules For SafeSquid Captive Portal
From Secure Web Gateway
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Enable IP forwarding in SafeSquid Server
- Enable forwarding in /etc/sysctl.conf, by changing below line
net.ipv4.ip_forward=0 to net.ipv4.ip_forward=1 |
- To reload settings run below command
sysctl -p |
- To flush the IP tables rules
iptables -F -t nat |
Redirect traffic
Forward the traffic from port 80 to 8081
iptables -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8081 |
Forward the traffic from port 443 to 8443
iptables -t nat -A PREROUTING -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 8443 |
Verify redirection policies using following command (On Linux Box)
iptables -L -v -n -t nat
|
Finally, to save IP table
Then save the IP table rules by using below command
apt-get install iptables-persistent |
iptables-save >> /etc/iptables/rules.v4 |
Note : Redirection policies will not flush even you reboot proxy server.