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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16 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
12 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
19 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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27 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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0answers
20 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
32 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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0answers
65 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
54 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
18 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
58 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
45 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
36 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
119 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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146 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
48 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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0answers
82 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
77 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
41 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
20 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
225 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
60 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
56 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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195 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
63 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 ...
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108 views

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 ...
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0answers
56 views

Hudson proxy configuration on amazon EC2-VPC instance

I am using EC2 VPC instance. For Hudson installation of plugins, I hit the command java -jar Hudson.war --httpPort=8888 After this, I opened url http://127.0.0.1:8888 in instance's internet ...
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1answer
92 views

Setting up OpenVPN server: should I use tun or tap?

I'm trying to set up my first OpenVPN server, and I'm having trouble figuring out whether I should use tun or tap for my particular setup. I have an Amazon VPC with a few EC2 instances running ...
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1answer
79 views

What's the difference between a private and public subnet?

For the purposes of learning, I'm trying to setup a public/private VPC in AWS without using the wizard, and I'm trying to determine how AWS decides if a subnet is private/public. For argument sake, ...
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0answers
78 views

Amazon Web Services VPC ClassicLink feature in Cloudformation?

Does anybody know how to configure ClassicLink in a VPC in cloudformation? I'd rather not have to manually enable this every time I update a stack. The cloudformation documentation always seems to lag ...
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1answer
68 views

No public IP after stop/start Amzon EC2 intance

I have setup an AWS EC2 instance with a Elastic IP. Static IP and Elastic IP both works fine (shows default NGINX page). However when I STOP the instance and START back up, there is only a domain ...
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1answer
176 views

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 ...
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1answer
135 views

VPC public subnet internet access with ELB hooked up

I am attempting to set up a web server (nginx) that needs access to the internet while also being hooked up to an ELB but I am having trouble getting this solution working. Details: 3 public ...
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323 views

Set up pfSense on AWS VPC?

I am attempting to setup pfSense as a nat box for internal servers on a VPC. I have followed the guides posted for configuring access and have followed the AWS instructions for setting up and ...
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1answer
173 views

Unable to connect the Ubuntu EC2 instance to VPC LAN on AWS using secondary NIC adapter?

Infrastructure setup: VPC is created with 192.168.254.0/24 netwok Private subnet within VPC (Virtual Private Cloud) is created with 192.168.254.0/25 network Public subnet within the VPC is created ...
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156 views

Amazon VPC NAT performance problems

I have a set of servers inside an Amazon VPC, whose job is to get image files from S3 and process them. The S3 downloads would frequently stall, sometimes for over 2 minutes, but all would eventually ...
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1answer
490 views

How can two AWS VPCs using the same Customer Gateway for a VPN connection

If there are two vendors with seperate VPCs connecting to a single customer gateway for a VPN connection, what are possible configuration options to allow this? As it stands it seems that AWS only ...
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0answers
171 views

Amazon AWS Site-to-Site VPN doesn't allow concurrent pings

I have some strange behaviour with an AWS VPC site-to-site set up and would like some help to understand where my problem might be. Set Up I have a VPC with a private and public subnet, there is a ...
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1answer
71 views

Port 53 in Amazon Security Group

Everything works as expected. This question is for learning purposes only. Using Amazon Security Groups in a VPC. Outbound rules are: 0.0.0.0/0 Port 80 0.0.0.0/0 Port 443 Iptables allows OUTPUT ...
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1answer
39 views

Why Use a NAT Instance? [closed]

Consider the following VPC: Public subnet with app servers and a separate NAT instance. Private subnet with database server. What benefits do we gain by using a stand alone NAT? EDIT: Why use ...
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2answers
30 views

Could I have 2 nat on vpc [closed]

There is a vpc on amazon that has two subnets. The outer one has internet access and the inner one using NAT server to connect to internet. Inner subnet have plenty of servers for development and ...
0
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1answer
231 views

Connecting to multiple AWS VPCs via a single VPN connection

I'm looking at locking down an existing AWS setup. At the moment, everything is within a single default VPC (test, staging, production) and all within public subnets. My plan is to seperate the 3 ...
3
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1answer
444 views

Internet access from private VPC subnet?

My brain is a little bit fried trying to figure this out but I can't seem to get private subnets to connect to the internet to grab updates for example. Basically all I want is web access for these ...
3
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3answers
1k views

Amazon EC2 VPC: NAT instance download speed performance drop

I have a set of servers inside Amazon EC2 in VPC. Inside this VPC I have a private subnet and a public subnet. In the public subnet I have set up a NAT machine on a t2.micro instance that basically ...
1
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1answer
517 views

Connecting two AWS Regions: Why not use two Virtual Private Gateways?

I am attempting to connect two AWS regions. AWS's documentation suggests starting up an instance on both sides to run software IPSec (OpenSWAN or StrongSWAN), giving both instances an elastic IP and ...
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2answers
2k views

How to SSH to ec2 instance in VPC private subnet via NAT server

I have created a VPC in aws with a public subnet and a private subnet. The private subnet does not have direct access to external network. So, there is a NAT server in public subnet which forward all ...
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0answers
51 views

Access ElasticCache Redis instance within VPC from a classic instance

I have an existing AWS EC2-Classic deployment that I am seeking to add a small Redis instance to. As this only needs to be a tiny Redis instance I elected to use the t2.small size. I've since found ...
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1answer
66 views

What name to use when communicating between AWS subnets

I've been googling this all day and can't quite figure it out. I'm trying to setup a multi-tier application in an AWS VPC, but I'm pretty a rookie at large system network architecture. I'm going to be ...
3
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1answer
109 views

What is the advantage of using a NAT plus private sub-net on AWS vs a public sub-net with locked down security groups and ACL?

My Scenario: I have an SQS queue with an auto-scaling group of EC2 workers processing messages from the queue into a database in a different region. Implied Networking Needs for EC2 Workers: Access ...
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0answers
310 views

AWS Elastic Beanstalk : Error creating an auto scaling group without vpc

I have the following error when I try to create a Node.js environment in Elastic Beanstalk : Creating Auto Scaling group named: awseb-e-neymbigw5a-stack-AWSEBAutoScalingGroup-1QX6LF04LAXUF failed ...