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Fixed in 5.4.0
Votes
2
Found in
5.2.1p3
Issue ID
740910
Regression
No
SocketException is thrown when creating a Socket with IPv6 AddressFamily.InterNetworkV6
Steps to reproduce:
1. Open attached project
2. Open scene "repro"
3. Run it
4. Notice SocketException in console:
SocketException: An address incompatible with the requested protocol was used.
System.Net.Sockets.Socket..ctor (AddressFamily family, SocketType type, ProtocolType proto)
SocketIPv6Test.Start () (at Assets/SocketIPv6Test.cs:11)
This isn't reproducible on Mac.
Note1: This exception happens only in Unity. Compiling this code outside of Unity and running it doesn't throw SocketException.
Note2: Multiple machine.config files have Ipv6 set to false. However, setting this option to true doesn't solve this issue. These configs are located in:
Editor\Data\Mono\etc\mono\2.0
Editor\Data\Mono\etc\mono\1.0
Editor\Data\MonoBleedingEdge\etc\mono\2.0
Editor\Data\MonoBleedingEdge\etc\mono\4.0
Editor\Data\MonoBleedingEdge\etc\mono\4.5
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cxode
Jan 29, 2021 12:53
This is fixed for TCP and UDP sockets, but the issue persists for ICMP sockets. (Case 1309061)