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Can I put nginx on public subnet and the webserver[s] on private subnet of AWS VPC?


Can I put nginx on public subnet and the webserver[s] on private subnet of AWS VPC?

By : shayeri
Date : October 18 2020, 06:10 PM
hop of those help? Using a proxy or load balancer in a public subnet and your web servers in a private subnet is a best practice. In general, you should be exposing as few servers/services as possible.
I'd recommend using an Application Load Balancer or a Network Load Balancer, unless you have some specific need for an Nginx front end. You'll need multiple Availability Zones for an ALB or NLB
code :


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nginx redirect from aws public subnet to private subnet not working

nginx redirect from aws public subnet to private subnet not working


By : iizzeddin
Date : March 29 2020, 07:55 AM
like below fixes the issue Yes - remember that a 'redirect' will respond to the client browser with a 301 or 302 code and the new address to access. If the address is not publicly routable, it will fail because it is the browser requesting the redirect address, not the proxy server (nginx). To prove this out, if you set your nginx to redirect to http://www.yahoo.com, it would work beautifully.
Instead, you should use the proxy capabilities of nginx - this means nginx receives requests, passes them to the proxied servers, retrieves responses from them, and sends them to the clients.
code :
location / {
    proxy_pass http://10.0.0.5/;
}
Why do we need a Private Subnet + NAT translation in AWS? Can't we just use a Public Subnet + a properly configured secu

Why do we need a Private Subnet + NAT translation in AWS? Can't we just use a Public Subnet + a properly configured secu


By : SimpleC
Date : March 29 2020, 07:55 AM
This might help you Compliance is one of the primary reasons one may choose to have private subnets. A lot of companies, especially financial institutions, have strict compliance requirements where there cannot not be any public access to the servers. When you create a public subnet, there is a possibility of assigning a public IP address, which can make any instance accessible from internet, (again as long as the security group allows it). Security Groups are a firewall provided at a logical level by AWS. Creating a private subnet, ensures that even if an instance belongs to a Security Group, that allows access to certain ports and protocols, the server still won't be accessible publicly. Another reason, you may choose for private subnets is to architect your infrastructure in a way that all public servers are always in the DMZ. Only DMZ has access to the internet. Every thing else is in a private subnet. In the event something goes wrong, access to the DMZ can be closed and further damage could be prevented.
Accessing an HTTP Server on a Private Subnet via a Public Subnet

Accessing an HTTP Server on a Private Subnet via a Public Subnet


By : user7354
Date : March 29 2020, 07:55 AM
this one helps. I did some more research, and realized I was looking for a reverse proxy, and could just simplify further by using an Application Load Balancer running in the public subnet that could interface with the instance running in the private subnet.
EKS in private Subnet , Load Balancer in public subnet

EKS in private Subnet , Load Balancer in public subnet


By : Shaik Mahaboob Basha
Date : March 29 2020, 07:55 AM
around this issue I had the same issue and it was because I did not tag the VPC subnets properly: https://docs.aws.amazon.com/eks/latest/userguide/network_reqs.html
I had to add the key: kubernetes.io/cluster/{eks-cluster-name} value: shared tag to the VPC
code :
apiVersion: v1
kind: Service
metadata:
  name: helloworld
  labels:
    app: helloworld
spec:
  ports:
  - port: 80
    targetPort: 8080
  selector:
    app: helloworld
  type: LoadBalancer
Can we move ec2 instances from private subnet to public subnet directly?

Can we move ec2 instances from private subnet to public subnet directly?


By : Nikos Vlassis
Date : March 29 2020, 07:55 AM
should help you out An Amazon EC2 instance is permanently connected to a subnet. (Well, the Primary interface is.)
Some options:
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