If you’re pinging from the router itself you’ll need to specify the interface - i. Install pfSense® CE Operating System on the Vault.
OpenWRT is fairly likely to get a port IMO, as it's pretty. Network your employees, partners, customers, and other parties to share resources in site-to-cloud, cloud-to-cloud, and virtual private cloud (VPC) connectivity. Follow the steps below to create a port forward under pfsense: (I assume your internal web server has ip address of 192. In short the ‘screen’ command in Linux can be used to turn any device into a serial console server – very handy if you need ‘out of band’ access to the management console of devices.
I would recommend against going to pfsense only since it involves more (often expensive in electricity) hardware and the setup you've got is actually more than capable to achieve what. Raspberry pi firewall pfsense Thas is all you need to configure PFSense to send the logs to the ELK SIEM.