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

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AWS VPC Connection (IPSec) DNS

Good morning, we have etablished an ipsec tunnel to our VPC. Now we want to resolve DNS Entrys we have in our Windows Server DNS (local network) on VPC Instances. At the moment we can only work with ...
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17 views

Route all outbound AWS Beanstalk traffic from one IP through VPN

Setup: I have an AMAZON VPC with a public subnet, Elastic Beanstalk for deployment and scaling, and a VPN. What I'm trying to do is have all the instances created through Elastic Beanstalk outbound ...
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1answer
40 views

Unable to connect to RDS instance from outside VPC (ERROR 2003 (HY000) Can't connect to MySQL Server)

I've created a VPC, and inside it an RDS instance. The RDS instance is publicly accessible and its settings are as follows: RDS settings The security group attached to the RDS instance accepts all ...
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1answer
28 views

Unable to ping second Elastic IP address. Is a separate Security Group required?

I have claimed an additional Elastic IP address and associated with an running instance. It is also tied up with a secondary Private IP Address. I am unable to ping the new Elastic IP address. ...
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22 views

External DNS resolution not consistent in AWS VPC

I have 2 instances in a VPC. The VPC is set up with the correct DHCP option set to enable public DNS resolution. Both instances are identical, and are launched using the same bootstrap scripts and ...
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1answer
45 views

Using my private DNS from within AWS VPC via Route 53

I have an Amazon VPC connected to our corporate network. Each EC2/beanstalk (linux) instance uses the standard AWS supplied IP address for its name server in /etc/resolv.conf. Each EC2 instance can ...
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98 views

Choosing AMI for NAT Instance in AWS VPC

When I want to run an NAT instance in a VPC, I noticed there were 3 latest AMIs in us-east-1: amzn-ami-vpc-nat-hvm-2015.03.0.x86_64-ebs (ami-b0210ed8) amzn-ami-vpc-nat-hvm-2015.03.0.x86_64-gp2 ...
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51 views

Openswan through Amazon VPC Routing to Office Network

Were trying to create a road warrior VPN network. Since the internet in our office is slow, we are running it through a VPC with a replicated AD and File Server. There is currently an Amazon VPC VPN ...
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84 views

IPSec Tunnel AWS VPC <-> openSwan CentOS 6.6 Tunnel up, no traffic

I managed to get a tunnel up between a CentOS 6.6 box and our AWS VPC. It shows as connected on the box, and in AWS, but the problem is routing the traffic from the server. Everything I've tried ...
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1answer
35 views

Why does port 6379 need to be opened on the security group for elasticache?

I made a redis cluster and created a new security group called cache-access. If I ssh into an ec2 server and try to access a cache node, it works if two conditions are met: ec2 server belongs to ...
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1answer
52 views

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, ...
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1answer
48 views

Connecting two AWS VPC Regions of the same CIDR range

Let say I have two VPC's (VPC-A with 10.50.0.0/16 and VPC-B with 10.50.0.0/16) in AWS with same conflicting/overlapping CIDR ranges in my AWS account. I already have the two VPC's fully functional ...
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1answer
40 views

Does VPC provide any benefits if I am only using RDS and S3 [closed]

I have my web service running on a proprietary VM (Azure) instead of EC2 instance. But I am still using Amazon's RDS and S3 to store data and serve static and media files. In my case, is there any ...
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81 views

AWS VPC: Windows server 2012 R2 GRE tunneling to Linux based Peer VyOS

I am asking this question after having spent some time googling and trying to work out some issues which I have with a Windows GRE tunnel in our 2nd environment (amazon AWS VPC) to a router in our ...
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1answer
52 views

AWS VPCs + VPN between regions. How does DNS work?

When using a VPC on AWS DNS is handled in a neat way whereby any requests for the external DNS name for an instance in the VPC resolves to the local/private IP address of the node. This is useful ...
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78 views

VPC EC2 Instances can PING each other, but not SSH

I've setup an SSH with multiple subnets. I have an instance in my public subnet (Subnet A) built from an AWS NAT AMI. I have another instance in my private subnet (Subnet B) built from a standard ...
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44 views

AWS RDS subnet/az requirement doesn't work with virtual UTM

Background: I want to put an AWS RDS instance into a VPC that has a virtual UTM as its internet gateway. Virtual UTM is an normal EC2 instance with 2 network connections, one internal, one external. ...
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1answer
20 views

Unifying DNS endpoint from inside and outside VPC

I have a VPC which has an autoscaling group. I want to be able to access this autoscaling group both from other servers in the VPC and externally from the company's IP. As such, I have two separate ...
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3answers
64 views

EC2ResponseError: 401 Unauthorized using Saltstack boto_vpc module

I'm trying to create a vpc using Saltstack and boto_vpc module. This is my state: vpc_create: module.run: - name: boto_vpc.create - cidr_block: '10.0.0.0/24' - vpc_name: 'myVpc' - ...
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1answer
48 views

AWS VPC Private vs Public subnets

I'm setting up my first VPC with AWS VPC wizard and i'm having some troubles understand what type of instances should I put in a public subnet, and what type of instances in a private subnet. It does ...
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50 views

How to sync folders between two Windows Servers in Amazon EC2

I have two servers running Windows Server 2012 in Amazon Cloud. One is hosted in EC2 (A) and another - in VPC (B). I have a folder in the same location on both servers. And I need to sync files from ...
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33 views

RRAS Routing Shenanigans

I have A RRAS server running on an AWS VPC (10.145/24 network) with address 10.145.0.77. I have a DHCP server/scope set up (10.250/16 network) on a separate Microsoft loopback adapter to offer DHCP ...
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43 views

Create RDS Read-Replicate in a separate region using VPC

We have a MySQL RDS instance in a VPC, and want to setup a read-replicata in another region. Unfortunately since our RDS instance is in a VPC, we don't appear to have the option to replicate across ...
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317 views

AWS yum does not work from private subnet (does work from public)

I have a VPC with a private and a public subnet - each containing an identically built RHEL7 server. I believe the VPC is set up correctly (see following). However, the public server can use yum and ...
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1answer
48 views

Is there a good way to clone a whole EC2 stack to another availability zone?

I've got a dozen or so EBS backed instances of various sizes in a VPC, multiple security groups, route53 for internal name service. I'd like to clone the whole thing to another availability zone. Has ...
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1answer
103 views

ansible to create vpc asking for hosts

I'm pretty new to ansible and from reading things what I'm doing should work. I have the following file called aws.yml --- - hosts: localhost connection: local gather_facts: no vars: ...
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1answer
31 views

Windows EC2 instance inbound RDP works, but inbound HTTP does not work

I have a running Windows 2012 Server instance on EC2. I can reach it with RDP, but I cannot reach it via HTTP. I have configured the security group to allow all inbound traffic on ports 80 and 8080. ...
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1answer
44 views

Automatically forwarding from Bastion to next server?

We at work use Bastion in our VPC to connect to several private servers, I have set up aliases (ssh host aliases) to speed up the process of bouncing to the next server, but this is a slow process and ...
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1answer
101 views

How to connect to a publicly available RDS instance using Sequel Pro

I'll preface that, yes, I know best practice says to use a bastion host or similar... I'm trying to connect to an RDS instance through Sequel Pro but unable to. The rds instance has been made ...
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1answer
128 views

Use same gateway on Amazon VPN (VPC)

I'm trying to create a VPN on AWS but it returns an error: Conflict among chosen gateway IP addresses. (Service: AmazonEC2; Status Code: 400; Error Code: InvalidCustomerGateway.DuplicateIpAddress; ...
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1answer
35 views

what would be the Impact of using Multiple sites in same VPC on AWS platform?

I have a site running on four server inside of a VPC on aws platform. My question is would their be any impact on site if I host another website on four new server in the same VPC considering their ...
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1answer
192 views

AWS CloudFormation Create Route 53 Private Hosted Zone

Hello and thanks in advance... I'm leveraging AWS CloudFormation to automatically build up a VPC and Subnets etc. I would like the CloudFormation template to create a Route 53 Private Hosted Zone ...
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1answer
71 views

How can I host active directory from Amazon EC2? [closed]

I know EC2 pretty well, but I'm totally new to Active Directory. I'm trying to set up a computer hosting Active Directory on EC2. I want to be able to join the domain from computers running on EC2, ...
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1answer
33 views

Amazon EC2 Classic to VPC - what is the best migration path?

We're running an Ubuntu 10.10 on EC2 Classic and are migrating to a VPC. My question - is it best to first replicate the existing servers into VPC, then upgrade to Ubuntu 14, or just create the latest ...
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1answer
278 views

How to implement DHCP, DNS, hostnames on AWS VPC

This is what I THINK can happen and what I want. I create a VPC in Amazon, put a public subnet into it, put a puppet server instance and a full stack web server instance in the VPC. Now I set the ...
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1answer
87 views

How to setup routing for UDP in AWS instance

I'm new to AWS and I'm wondering if any one could provide a guild/link on how to go about setting up, what I'm guessing is VPC, so that I can send UDP packets to and from my instance via my public IP. ...
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1answer
71 views

AWS EC2 Server can not access a fileshare over a VPC VPN using the machine name

I have a windows server on EC2 that is connected to my office via VPN. I'm having an issue connecting to file shares over the VPN. I'm able to connect if I use the IP address for example if I use ...
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1answer
318 views

connect to db instance in private VPC subnet with MySQL Workbench

How do I connect to an AWS (or other) instance in a private subnet in a VPC using MySQL Workbench ? My arrangement is a typical aws Scenario 2 : I can: - SSH into my NAT instance located in my VPC ...
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603 views

can't connect aws VPC private instance to internet through NAT

trying to install a LAMP stack on an aws instance in a VPC private subnet using Scenario 2 described here: http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Scenario2.html I've set everything ...
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1answer
83 views

SSH connection to virtual private cloud times out via proxy command but not via public host

I have a host in AWS with public DNS, bastion-prod, to which I can SSH from my local machine without any problems. From there, I can SSH to a host, reports-prod, in a virtual private cloud. However, ...
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198 views

Connecting to Amazon VPC instance's public IP over hardware VPN

I'm trying to configure an AWS VPC with a public subnet and hardware VPN access, but I have a requirement that connections over the VPN must be able to connect to a particular EC2 instance using a ...
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0answers
29 views

IAM policy for list, create and destroy instances and security groups [duplicate]

I need to create a IAM policy that allows a user to create/terminate instances and Security Group at specific VPC. Also I need that this user could list instances of this specific VPC. Is this ...
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1answer
153 views

VSFTP not working over VPN

I've had a FTP service running for some time using vsftp, working with passive mode with no problems. I've recently set up a VPN using openvpn, as far as I know I've configured everything correctly. ...
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1answer
129 views

Amazon VPC NAT instance routing problems

I have an issue with routing. I have 2 public subnets: 172.31.1.0/24 and 172.31.100.0/24 In each of these I have a NAT instance. Each NAT instance is an OpenSwan VPN peer to a remote location. This ...
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1answer
24 views

AWS VPC: IPSEC VPN: Change the preshare — how?

Have read 50 pages of docs, and googled, and what is the answer? When you create a vpn in the VPC control panel, AWS generates the preshare. Fine. So after the consultant has the configuration ...
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1answer
434 views

AWS Override VPC DHCP - Additional Option Sets for RRAS VPN Clients

I am trying to run a RRAS VPN server that pulls from a windows DHCP server running on the same box. I am finding that the AWS DHCP is getting hit first with the DHCP request and it provides invalid ...
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1answer
129 views

Is it required to create a NAT instance in every availability zone of a VPC

I'm trying to figure out what are the best practices to setup a HA VPC The question relate to: What is the correct setup of a VPC that is spread all over the AZ of a region, with private and public ...
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1answer
130 views

Ec2 instance static private ip address

I am using an on-demand instance for testing some services in my spare time. So, I start and stop that instance very frequently, and I see its public and private IPs changing each time. This is ...
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358 views

Why can't I SSH to this AWS NAT instance in a public subnet?

For experimentation purposes, I’m trying to setup an AWS EC2 inside a VPC that has both public and private subnets as described in this tutorial. However, when I try to SSH in step #2, it fails ...
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1answer
121 views

Can you setup multiple Public subnets on a single AWS VPC?

So here is our scenario, we currently have a production environment on AWS, we utilize an VPC, and use multiple EC2 servers that are all on this VPC. In order to create a development environment that ...