I am deploying dedicated server made on UNET and when I start server I try to get list of all IPs (both IPv4 and IPv6). My server is deployed on a Linux server on DigitalOcean with IPv6 support enabled, server can be pinged via IPv6 address.
When I connect via IPv4 from client to server (from NetworkClient to NetworkServer) – everything works fine, however, when I connect via IPv6 – I get timeout error. Strange thing is that it seems to work fine on Windows server (I can connect via IPv6), but doesn’t work on Linux.
I am using Unity 5.3. And when I try DNS.GetHostEntry(hostName) I get my IPv4 addresses as usual, but IPv6 addresses are returned to me in format "::", like from IPAddress.IPv6Any field, but I see them in correct format when I get ipconfig on server.
Can anybody help me out with this issue?
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Answer
Unity’s support for IPv6 begins with 5.3.4p4. Please check your patch version. try to update your patch with at-least 5.3.4p4