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Questions tagged [amazon-vpc]

Amazon Virtual Private Cloud (Amazon VPC) lets you provision a logically isolated section of the Amazon Web Services (AWS) Cloud where you can launch AWS resources in a virtual network that you define

Amazon Virtual Private Cloud (Amazon VPC) lets you provision a logically isolated section of the Amazon Web Services (AWS) Cloud where you can launch AWS resources in a virtual network that you define. For additional information, see:

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AWS NACL by HOSTNAME

Is it possible to allow a Network ACL by a hostname? Not IP address. For a certain subnet, I want to allow all outbound traffic to host.example.com (port 443) but deny everything else.
Andre
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AWS VPC DNS Hostnames & Resolution

I'm trying to educate myself more on how DNS works, and am struggling with trying out some options in my AWS VPC. From the AWS Documentation on VPC, there are 2 DNS settings to choose from, DNS Hostnames & DNS Resolution. It states that the…
user2789945
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Is it better to have a centralized [redis] caching instance or per instance?

I have a VPC in AWS that contains a public and private subnet. In the private subnet, I have two load balanced EC2 app servers, and an EC2 Database/Cache server. The two app servers connect to the Database/Cache server for database queries, but…
Barry Chapman
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Multiple private networks across multiple hosts (KVM, OpenVSwitch)

I had asked this question on SuperUser, looks like it wasn't the correct forum. Hopefully ServerFault is the correct one. I am working on a project, running KVM virtualization on 4 different host with public and private network. Currently, this is a…
ASM
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Site-to-Site VPN from Cisco ASA 5505 to Amazon VPC

I am trying to establish a VPN connection from our on-premises rack to our Amazon VPC. The router/firewall that we have is a Cisco ASA 5505 running software version 9.1(7)23. According to Amazon's documentation, the 5505 is tested to work…
Ithizar
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AWS VPC and VPN connection to Multiple Cloud or Datacenters with Datacenters having overlapping IP address ranges

Problem Statement I have a requirement for Business continuity plan using AWS Cloud VPC with following requirements - In our developer's AWS VPC private Subnet, we will have Workspaces (ie AWS secure Desktop-as-a-Service) for each developer From…
Prats
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Lambda connect to mongodb which only allow localhost connection in ec2

I have a MongoDB which only allow connection from localhost, running on my ec2. Currently, only my nodejs app which runs on the same ec2 instance connects to the mongodb using this command mongoose.connect('mongodb://user:pass@localhost:27017/mydb',…
imin
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Issues connecting to aws ec2 instance behind eip

I have an ec2 instance on which I'm running a dev server via parcel index.html --host 0.0.0.0 that ultimately listens on 0.0.0.0:1234. Before creating and associating an eip to my instance, I wanted to use the public ip address assoc'd with it and…
geofflittle
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NACLs and NAT Gateways for public and private subnets

I have a VPC with 3 subnets: Public (FE layer, inbound internet access only) Protected (app layer, outbound internet access only) Private (DB layer, no internet access at all) The public subnet NACL blocks all inbound from the internet on any…
mdarwin
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Can I create a custom default vpc with my own cidr and settings?

GCP is so much better than aws in this regard. In GCP I can have a "default" vpc/network and have all my custom settings for it. I want the same thing for aws. I have stuff in many regions. I dont need complex networking just VPCs with my own cidrs…
red888
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AWS - Accessing cross account and cross region resources in a secured manner

I'm trying to secure an ec2 instance using security groups to do the following VPC A (Account - A, Region - A) VPC B (Account - B, Region - B) I want an ec2 instance in VPC A to be able to access ecr repositories in VPC B over HTTPS. Since both…
Nadav Aviv
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How should I distribute my CIDR ranges for multiple environments?

I'm designing an architecture for a system (built on AWS) which will have multiple different production environments, in different zones. Initially I had thought that it would be a good idea to use 1 VPC per environment, with another Operations and…
mdarwin
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AWS - NAT between several VPC

In AWS, I have several VPC. In each VPC, I have an EC2 instance, running a server. For the moment, each EC2 has an Elastic IP because my servers are dedicated for IoT, and our connected objects need a dedicated IP address, they cannot use DNS. And…
iAmoric
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aws - can I configure ip allow rules for a specific endpoint

My Config is a single EC2 instance. I'm new to aws and inherited this architecture. We want to create an endpoint that will be accessible only from the office (specific IP). What is the best way to achieve that? is there a vpc / security group rule…
WebQube
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My AWS VPN setup results in no traffic working when connecting

I crossposted this to stackoverflow here https://stackoverflow.com/questions/62585272/my-aws-vpn-setup-results-in-no-traffic-working-when-connecting in the hope of finding a solution... Apologies. I have created a VPN to our VPC but when I connect…
transient_loop
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