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ms16

10/01/2020, 12:46 AM
Hello - Im running a EC2 VM with prefect docker agent to communicate with Prefect cloud - Right now I have kept ALL TCP (💀 ) Open on the SG to test - for production rollout - I would like to keep only the Prefect Cloud Public Ips open the Security Group Rules - My google fu failed - Can someone link to list of Prefect Cloud Public IP addresses please .
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nicholas

10/01/2020, 12:47 AM
Hi @ms16 - if I understand you correctly, you have just a Prefect Agent running on that machine, which means you don't need to allow any inbound traffic (except perhaps your SSH port)
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ms16

10/01/2020, 12:51 AM
@nicholas - Thank you for your response. For SSH im using SSM . I will try to close all inbound and test.
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nicholas

10/01/2020, 12:53 AM
Perfect! Then you shouldn't need any open ports because Prefect Agents work very similarly to SSM Agents, in that all communication is done via a polling model on outbound HTTP.
Let me know if you run into any issues 👍
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ms16

10/01/2020, 1:00 AM
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