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Service unavailable

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I outsourced to a company to develop an app for me, and the admin panel is hosted on AWS. Everything has been working fine until two days ago when they reached out to me, stating they're getting a "Service Unavailable" error. They asked me to contact support to fix the issue.

Although I have a background in IT, I have almost zero knowledge of AWS hosting and its technicalities. Upon further research, I found that the system health checks are all good, with the status reports showing 2/2 passed. There are no errors in the logs.

The main domain (example.com) loads perfectly without any errors, and I can navigate to other sublinks on the website. However, when I try to access example.com/app/admin, I get a "Service Unavailable" error.

What do you think might be the issue and how can I resolve it?

Topics
MicroservicesManagement & GovernanceComputeNetworking & Content Delivery
Tags
MicroservicesAmazon Route 53AWS Management ConsoleAWS Elastic BeanstalkWebsite Provisioning
Language
English
asked a year ago337 views
1 Answer
2

Hello.

Are there any access logs left when accessing "example.com/app/admin"?
Also, what AWS service is your web application hosted on?
For example, if you are hosting using ALB and EC2 and using AWS WAF, access may be blocked by AWS WAF.
AWS WAF also has rules that inspect URLs and block access to administrator pages.
https://docs.aws.amazon.com/waf/latest/developerguide/aws-managed-rule-groups-baseline.html

EXPERT
answered a year ago
EXPERT
reviewed a year ago
AWS
EXPERT
reviewed a year ago
  • King Amada
    a year ago

    There isn't any access logs,i decided to restart the instance, and it seems to load the admin panel but throwing out internal service error when trying to login. Hosted on EC2

  • Riku_Kobayashi EXPERT
    a year ago

    If there is no access log, I think it may be blocked somewhere. As mentioned in the comment above, aren't you using ALB and AWS WAF? Also, if it's an internal error (such as an HTTP 500 error), it's an application-side problem, so you'll need to check the error log.

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