5.2.3.2.1.11. ON Captive - Mail Sponsor Validation

The first step is to validate the traffic on the interface.

  • To check if the Guest has connectivity with OpenNAC Enterprise

tcpdump -Nnl -i eth0 host <IP HOST>

If ON Core uses other interface, replace eth0 for the correct interface.

  1. To verify the Postfix see the maillog:

tail /var/log/maillog

  1. To check if the dnsmasq service is enabled to autostart after reboot, execute the following command:

chkconfig --list dnsmasq

  1. To verify if the dnsmasq is listening, execute the following command:

netstat -anp | grep 5