Forum Discussion
neeeewbie
MVP
MVPconnect to cloudflare or cloud ec2 via SSLO
Hi everyone,
I need your help.
I'm having trouble connecting to Cloudflare or a cloud EC2 instance via SSLO. The connection keeps failing due to SSL issues.
I think it might work if I add the CA list of Cloudflare or the cloud provider, but I'm not sure if this is correct. Could it be that the "Full Strict Mode" or mtls configuration on these servers is causing the problem?
Please let me know if you have any insights on this.
Thank you.
- Lucas_Thompson
Employee
In outbound mode, Mutual TLS requires either bypassing the SSLO (create the bypass rule based on SNI or remote IP) or creating a trust on the target server to your own CA that's on the SSL Orchestrator BIG-IP. Ordinarily (not mTLS) SSLO re-creates the server's certificate using its own CA. In mTLS, this must occur in BOTH directions, so both the client AND server must trust the SSLO's CA.
This is covered in the deployment guide here:
https://clouddocs.f5.com/sslo-deployment-guide/sslo-11/chapter6/page6.01.html
If the bypass doesn't fix it enable logging and follow the instructions in this SSL troubleshooting KB article:
https://my.f5.com/manage/s/article/K15292
neeeewbieThank you for the information you shared!
