TLS Versions and Ciphersuites

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1

When using wix-fetch in the backend to retrieve data from another server what are the supported TLS versions and ciphersuites?

2

I would hope and assume that it would be 1.3 for TLS seeing as it was released in August 2018.

However, without confirmation I would assume that they are at least using 1.2.
https://support.wix.com/en/article/payment-service-providers-sending-users-notices-about-tls-12
https://support.wix.com/en/article/security-of-wixs-billing-services-and-pci-compliance

3

I would have hoped so too, but the server I’m trying to connect to is locked down to TLS1.3 and a subset of ciphersuites - and it throws an error. Hence asking for a categorical list.