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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서버리스 컨테이너

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AWS Fargate 네트워크 로드 밸런서

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English

Raj Hans

질문됨 2달 전177회 조회

1개 답변

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가장 많은 댓글

이 답변이 도움이 되었나요?커뮤니티가 여러분의 지식을 활용할 수 있도록 정답을 찬성하세요.

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

전문가

Gary Mclean

답변함 2달 전

전문가

Giovanni Lauria

검토됨 2달 전

Raj Hans
2달 전
Yes, I have a security group attached to NLB which allows inbound and outbound traffic to 8001 port.
Gary Mclean 전문가
2달 전
Can you share the task definition?

Raj Hans

2달 전

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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