Connectivity issues from Public NLB to Fargate container UDP port

I have a public NLB with some TCP and UDP listeners and a fargate container which listens on UDP port 8001 which is hosted in same VPC as NLB. A target group is attached to NLB listener UDP:8001 using UDP protocol and healthcheck is provided through a TCP port 1024 on fargate container. Security groups for Target group, NLB and Container allow UDP 8001 inbound and outbound traffic. But container is not receiving any packets on UDP port. This container also has TCP listeners which are working are working fine.

I only want to achieve the UDP port connection from public to ECS container through NLB.

Any help is much appreciated. Thanks

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サーバーレスコンテナ

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AWS Fargate ネットワークロードバランサー

言語

English

Raj Hans

質問済み 2ヶ月前175ビュー

1回答

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これらの回答は役に立ちましたか？コミュニティがあなたの知識を活用できるように、正解に賛成票を投じてください。

Do you have a security group on the NLB? If so also ensure inbound 8001 UDP is allowed.

エキスパート

Gary Mclean

回答済み 2ヶ月前

エキスパート

Giovanni Lauria

レビュー済み 2ヶ月前

Raj Hans
2ヶ月前
Yes, I have a security group attached to NLB which allows inbound and outbound traffic to 8001 port.
Gary Mclean エキスパート
2ヶ月前
Can you share the task definition?

Raj Hans

1ヶ月前

Here is my task definition:

{
    "taskDefinitionArn": "arn:aws:ecs:ap-southeast-2:xxxx:task-definition/rollover:21",
    "containerDefinitions": [
        {
            "name": "rollover",
            "image": "xxxx.dkr.ecr.ap-southeast-2.amazonaws.com/rollover:latest",
            "cpu": 0,
            "portMappings": [
                {
                    "containerPort": 8001,
                    "hostPort": 8001,
                    "protocol": "udp"
                }
            ],
            "essential": true,
            "environment": [],
            "mountPoints": [],
            "volumesFrom": [],
            "secrets": [
                
            ],
            "logConfiguration": {
                "logDriver": "awslogs",
                "options": {
                    "awslogs-create-group": "true",
                    "awslogs-group": "rollover",
                    "awslogs-region": "ap-southeast-2",
                    "awslogs-stream-prefix": "ecs"
                }
            },
            "healthCheck": {
                "command": [
                    "CMD-SHELL",
                    "nc -uzv localhost 8001 || exit 1"
                ],
                "interval": 60,
                "timeout": 50,
                "retries": 3,
                "startPeriod": 60
            },
            "systemControls": []
        },
        {
            "name": "healthcheck",
            "image": "busybox:latest",
            "cpu": 0,
            "portMap

Connectivity issues from Public NLB to Fargate container UDP port

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