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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Can't ping or traceroute through AWS IPSec VPN

My VPC is connected to my premises via IPSec VPN, tunnel is shown to be UP on AWS console. Things that work: I can see the traffic from my premises (subnet 192.168.0.0/16) to AWS VPC ( 10.0.0.0/16) on VPC flowlogs, marked as accepted. When I do a…
Yoga
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unable to ping or ssh between aws vpc subnets

I have a fairly standard multi-tier subnet layout in VPC. There is a database tier/subnet, a web server tier/subnet and a bastion host tier/subnet. My problem is that I cannot ping or ssh between subnets. In particular I would like to ping and ssh…
rriehle
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How to allow inbound traffic for internal machines only on EC2?

I have an EC2 machine with Elasticsearch installed. I need to get port 9200 open so other internal machines on the same region could access this port. I have no intention to keep this port open publicly. I'm not sure how to do this. Is there a…
M-T-A
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AWS VPC Endpoint SecurityGroupEgress rule

I am trying to make use of an AWS VPC Endpoint to access an S3 resource with no luck. Could you help? Details: I have an EC2 Instance inside a Security Group. This is inside a VPC and subnet with an internet endpoint and a routing table entry to it…
Toby
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Run EC2 instance into specific non-default VPC in random subnet

I have a problem and I expect that someone help me. I'm working with AWS and I have 2 VPC. The default VPC an another VPC created by me. Each VPC has 3 subnets in differents AZ (eu-west-1a, eu-west-1b and eu-west-1c). I detected that, in default…
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Can we connect an OSX computer to an AWS VPC VPN?

We have a OSX computer we would like to connect to our AWS VPC. This OSX computer is on a network we do not control in a different physical location as the rest of our network. Using OSXs Networking Software (in preferences) or other software VPN…
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security group rules between EC2-classic and VPC server

We are currently using a set of Amazon EC2-classic servers for hosting our live and staging environments. We've got a couple of web servers and a background worker server in each environment. We've then also got a couple of servers for build and…
Chris
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EC2 instances in VPC and access to the Internet

I am playing a bit with AWS. I created one VPC (with 10.1.0.0./24 net) and two EC2 instances attached to it. One EC2 has 10.1.0.4, second 10.1.0.5 . I allocated one Elastic IP to VPC and associated it to Network Interface which belongs to 10.1.0.4…
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Best Method to test Opened Ports

We have a requirment where in we have to test 500+ Port opening rules. So requires a suggest on below points. Which is the best tool to test the connectivity of the ports. Telnet will be sufficient If there is no application is listening to a port…
Ajo Mathew
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EC2 cannot connect to RDS on VPC. Subnet issues?

I was able to deploy our .NET app using the AWS toolkit for Visual Studio. I set up the RDS database manually (MySQL) and deployed the app using elastic beanstalk (set up on VPC). The issue was that when i tested the signup form on the app running…
BellaGurl
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Can't attach EC2 instance to Network Interface

When trying to attach a network interface, it says... No instances were found for this availability zone. My instance is in us-east-1c and my network interface is in us-east-1b. Is that significant? If so, how do I create the VPC in the same zone…
Ian Warburton
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Amazon AWS VPC Performance Advantages

We have a simple setup that consists of... 1 EC Instance for HTTP/PHP requests 1 RDS Instance for our Database requests Currently our two servers do not use VPC to communicate. I was wondering if there would be performance advantages to setting…
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How do I authorize connections to non-VPC EC2 instances from the instances in a VPC via the igw-xxxx Internet Gateway?

I've got many ec2 instances and recently added a Virtual Private Cloud at amazon too. On the VPC subnet 10.0.0.0/8 the host 10.0.0.88 can reach the internet at large through an Internet Gateway Device igw-xxxxxx, but I don't know how to authorize…
Ry4an Brase
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Amazon Virtual Private Cloud - Can I use a normal VPN Connection

I want to use amazon VPC so that I can connect directly to cloud-based databases and application servers over a secure VPN connection. From the description on Amazon's site it appears to require a "customer gateway" - some kind of permanent VPN…
reach4thelasers
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What is a correct IP4 CIDR for AWS?

I am trying to create some new subnets and cannot get AWS to accept a CIDR IP4. I receive the message: Must be valid IPv4 CIDR. Nothing I try is accepted. What is a valid IP4 for this purpose, and why? See attached image> I tried…
Leon
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