Networking on GCP

Question 1

What protocols do GCP Networking allow?

Answer 1

TCP, UDP, and ICMP

Question 2

What protocols do GCP Firewalls allow?

Answer 2

ICMP, RDP and SSH

Question 3

True or False.

GCP Firewall rules can deny ingress traffic on certain ports.

Answer 3

False.
GCP Firewall rules can only allow certain types of traffic into your network (ingress rules) on certain ports. GCP does not have explicit “deny” rules for ingress traffic. By not allowing a certain type of traffic, you are implicitly denying it.