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I have 2 Azure VMs (Windows, Linux) using same virtual network. Both are able to ping each other using the public ip.

I deployed a java application having its own endpoint in Linux VM and I am using url as: http://abc.eastus.cloudapp.azure.com:42200/rest/

I am trying to send a GET request from Windows VM using Postman and getting below error

Error Logged in Postman

I already added port number 42200 in inbound and outbound rules of network security groups. Can anybody let me know what could be the cause of this? I can provide more details if required. Thanks in advance.

user3204086
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  • you can troubleshoot with below . 1. Are you able to access your applications url using public Ip address inside linux vm using curl command? 2. is the default webserver page (http://abc.eastus.cloudapp.azure.com:42200) able to accessible outside the VM or inside windows VM?- 3. check bout VM belongs to same subnet and same security rules applied? – Gautam Sharma Jun 06 '23 at 09:21
  • @GautamSharma 1. I am unable to access curl abc.eastus.cloudapp.azure.com, getting connection refused :80, however port 80 is already open. 2. Unable to access the http://abc.eastus.cloudapp.azure.com:42200 outside or inside vm 3. Yes, vm belongs to same subnet with same security rules. --- application have a rest endpoint to be called as http://abc.eastus.cloudapp.azure.com:42200/rest/api/ which should receive get requests and perform actions. Any idea on how to make it work. If I deploy everything locally, it works without issues. But not sure why it is acting weird in cloud. – user3204086 Jun 06 '23 at 10:05
  • @GautamSharma I updated the endpoint url by using private ip of linux instead of public. When I access the url on browser I get Http Error 403:The IP address/hostname is not allowed. The same error is coming up in postman. – user3204086 Jun 06 '23 at 11:29

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