Is it possible to run a grpc service on a pod?

I cannot communicate with a grpc service that i deployed on a pod, i opened 50051 http port and 443 tcp port.

this is what i receive:
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
        status = StatusCode.UNAVAILABLE
        details = "failed to connect to all addresses; last error: UNKNOWN: ipv6:%5B2606:4700::6812:6e4%5D:443: connect: Network is unreachable (101)"
        debug_error_string = "UNKNOWN:Error received from peer  {created_time:"2025-06-02T09:57:13.628977155+00:00", grpc_status:14, grpc_message:"failed to connect to all addresses; last error: UNKNOWN: ipv6:%5B2606:4700::6812:6e4%5D:443: connect: Network is unreachable (101)"}"
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