CloudadvancedconfigurationCross-platform

Server becomes unreachable after firewall change

A advanced configuration problem in Cloud, typically seen on Cross-platform. Start a Puvexa diagnosis to record what changed, attach logs or screenshots, and get ranked step-by-step fixes for your environment.

Start diagnosis Title, category, and context are prefilled — just describe what you see.

Prefilled context

Server becomes unreachable after firewall change (Cloud) — Cross-platform. What changed recently, what have you tried, and what happens now? Add logs, screenshots, or code below.

Sections:AWS / Cloud

Tags:AWS

Record PUV-0418 · status SAMPLE · human verification not yet recorded

Cloudadvanced

EC2 instance is running but website cannot be reached

AWSEC2

DetailsAsk Puvexa

Cloudadvanced

AWS security group looks correct but port remains blocked

AWS

DetailsAsk Puvexa

Cloudadvanced

S3 file is uploaded but public URL returns access denied

AWSS3

DetailsAsk Puvexa

Cloudadvanced

Lambda works in test console but fails through API Gateway

AWSLambda

DetailsAsk Puvexa

Cloudadvanced

AWS credentials work locally but fail on server

AWS

DetailsAsk Puvexa

Back to all problems

Server becomes unreachable after firewall change

Related problems