GCP Cloud Run internal networking not secured and unencrypted

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i am currently getting my head around "gcp cloud run". my biggest concern at the moment is that it seems traffic behind the endpoint (loadbalancer) is not encrypted up to the container instance. is that assumption correct?

client -> internet -> gloud run endpoint (TLS) -> 1-n "my container instance(s)" on port 8080 (http, unencrypted, on shared gcp infrastructure)

that would be a no-go for my companies security policies which say that all traffic um to the instance needs to be "encrypted in transport"

from the unofficial cloud run faq i read this (which doesn't really make sense to me)

Mar 19, 2022 in GCP by Rahul
• 3,380 points
691 views

1 answer to this question.

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Traffic is entirely encrypted all the time during request. After termination of TLS connection at GFE, request is encapsulated into RPC call with Application Layer Transport Security. These RPC's are authenticated and encrypted. 

Please check this part of the documentation for more insights.

answered Mar 20, 2022 by Korak
• 5,820 points

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