We are enabling and enforcing TLS 1.2 and up on all connections to the Moonbeam Foundation RPC services Starting April 1.
We will redirect HTTP connections to HTTPS, but WS connections will not properly redirect to WSS connections. Anyone who is using unencrypted WS connections needs to update to the encrypted WSS url.
Moonriver:
wss://wss.api.moonriver.moonbeam.network
https://rpc.api.moonriver.moonbeam.network
Moonbeam:
wss://wss.api.moonbeam.network
https://rpc.api.moonbeam.network