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Questions tagged [private-subnet]

Use this tag for questions related to private subnets, i.e. subnets of a private network. A subnet is a part of a greater network/net.

This tag is used for questions related to the subnets of a (virtual) private network.

For example, one could use this tag when posting a question related to how his subnet can have Internet access.

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Accessing AWS services from a lambda in a private subnet

I'm working on an serverless application the works with a database in RDS. For security reasons, both the application (Lambda) and the database are located in a private subnet in a VPC. I also want to access AWS services from the application - for…
Amirfel
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Remote Desktop Cannot connect to the remote computer for Windows Server in Private Subnet

I have created a windows server ec2 instance in a private subnet and also configured the NAT gateway in public subnet with route table configured for NAT gateway. Also security groups are allowing RDP port 3389 and Internet gateway is also at…
DeadPool
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AWS how to open a website from an EC2 instance in the private subnet

I have: A web EC2 instance in the private subnet (connected to a NAT gateway) A bastion EC2 instance in the public subnet (connected to the internet gateway) I have tried many things to open the web application from a browser and have not…
joe.moss
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Are there private IPv4 ranges AWS reserves for its use?

When we create a VPC, we generally allocate it a private IPv4 address range as specified in RFC 1918. I am making an assumption that Internet Gateway, NAT Gateway etc. are hosted on AWS managed VPCs as they are highly available and scalable same…
Abhishek Palakkal Kaliyath
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EC2 instance in private subnet accessing internet port forwarded endpoint IP whitelist

I have 2 EC2 instances - one in public subnet one in private. I need both of them to access a service via public ip and port forwarding on Mako router. Mako router port forwards port 552 to local 192.168.. ip I set up firewall rules on Mako router…
Anton Teterine
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Using an AWS S3 File Gateway in EC2, why does it only work in a public subnet and not a private subnet?

Whether I try to create an AWS S3 File Gateway (EC2) in the management console or with Terraform, I get the same problem below... If I launch the EC2 instance in a public subnet, the gateway is created. If I try to launch the gateway in a private…
openCivilisation
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AWS cloud web servers with private subnet

In AWS VPC when the frontend ec2 server is in private subnet and also the backend ec2 server is in private subnet with these 2 conditions how can I make http connection possible with these two private subnets? Do I have to use load balancer or…
devopssec
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Requirements for configuring access to EC2 and RDS instances in AWS

I have 2 EC2 instances (application and bastion) and one RDS instance (database) in AWS. I want my RDS to only be accessible through the bastion (for when I as an admin want to manually change things in the database), and the application (where…
Sabo Boz
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AWS Fargate - not sending emails from private subnet with SES endpoint

I have a configuration with autoscaled Fargate containers. Email are sent properly when using SES Simple Email Service in configuration with public Subnet or with NAT configuration. When containers are moved to a private subnet with SES endpoint…
Mirek
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How to find out internet-facing resource (EC2, RDS etc) in AWS VPC?

Question is really simple, Where we can check in the VPC to find internet-facing resources? There are 1 VPC and it has couple private subnets where EC2 instances are in (with security groups attached), couple public subnets where NAT gateways are in…
y3sm3
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ssh ec2 instance in Private subnet of another vpc without using bastion

Can anybody let me know if below can be achieved without Bastion. I have 2 vpc's VPC - A and VPC -B both have private and public subnets(no overlaping CIDRS) Client VPN endpoint configured with VPC -A and there is vpc peering connection between the…
drk23
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Creating VMs without public IP in GCP

Any way to restrict external(Public) IP in GCP at Subnet . It seems if we want to create a VM without an external IP, we have to select External IP- None during VM creation. Can't we set External IP- None at Subnet configuration and any host…
Zama Ques
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Why do EC2 instances need a public IP when placed in front of an ALB?

As I have been researching, there are two ways of placing EC2 instances in front of ALBs in a given availability zone: Placing them in the same public subnets referenced by ALB in that availability zone + giving them a public IP Placing them in…
Matias Haeussler
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How to create security group for public and private subnet in terraform?

I have created 2 security groups separately. One for an ec2-instance running in the public subnet and another one for an ec2-instance running in the private subnet. I want to securely ssh into the private instance from the public instance. Is the…
Thra
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AWS EC2 Instances in Private Subnets not receiving traffic from internet-facing NLB

I have an internet-facing Network Load Balancer forwarding traffic on port 3002 across 2 Availability Zones. Each AZ has at least 1 public subnet. The traffic coming to this NLB is being forwarded to a target group that contains 2 EC2 instances,…
stigward
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