Hi @Mad_Dog_82 , the firewall is stateful (edited @CptnCrnch 😉) so all inbound traffic is blocked by default. For outbound traffic you need to add a Layer 3 firewall rule.
Darren OConnor | doconnor@resalire.co.uk
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.