GCP Security Overview

Access to an GCP cloud instance can be controlled by 

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In addition to allowing SSH access, the different firewall levels must be configured to permit at least TCP port 8080 to enable license server access.

GCP Firewall Rules

In addition to firewall rules created by the customer, there are other rules that can affect incoming or outgoing traffic:

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• Each rule is either for incoming or outgoing traffic. It can allow or deny traffic.
• Only IPv4 traffic is supported.
• Firewall rules are stateful (return traffic for an established connection is allowed).
• If TCP traffic is fragmented, a rule is only applied to the first fragment of a packet.

Connecting to the Cloud Instance

During the configuration of your instance you should have created a security group allowing at the minimum SSH access to the instance. If this has been done correctly, you can, for example, use SSH from the command-line or from a tool such as PuTTY to access the command-line of the user sshuser (for Charon-SSP prepackaged marketplace images) or your custom user (for RPM installations) on the Charon-SSP instance.

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