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

learn more… | top users | synonyms

1
vote
1answer
34 views

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 ...
0
votes
1answer
39 views

Routing requests to specific regions/VPCs (Geotargeting)

We have two VPCs one in US and the other in Europe. Each VPC has a load balancer in public subnets and we run our web application in private subnets. What we want is, if a user visits our website (...
-5
votes
0answers
23 views

Blocking ssh to instances using Public IPs (AWS VPC)

I really couldn't find anything useful on the internet. I need to disable accessing the instances using public IPs in our VPC environment. For example, I don't want users ssh to our instances using ...
1
vote
2answers
39 views

One VPC or many VPC's

I'm relatively new to AWS and I'm trying to design an infrastructure for my application and I'm wondering if I should use one or multiple VPC's within a single region. My application consists of a ...
0
votes
0answers
11 views

Connect an EC2 instance to your office/home gateway [duplicate]

I am wondering what the process is for connecting an Amazon Web Services EC2 instance to your router to make the instance act as if it is on the LAN. I have been reading about AWS VPC, but have just ...
0
votes
1answer
35 views

Possible to announce IPs through AWS?

I'd like to have additional IPs with my EC2 instances so I'd like to lease IPs from a 3rd party since Elastic IPs seem to be far more expensive. This would require me to announce the IPs. Is it ...
0
votes
1answer
21 views

Using a VPC from the office vs. VPN from home: Not all hosts are reachable

Here is my situation: Our whole office is VPNed to an Amazon VPC through openvpn. We have 3 VPC subnets: 10.1.25.x (Prod) 10.0.3.x (Staging) 10.0.1.x (build env) While in this office, all is ...
0
votes
1answer
35 views

Identifying Traffic from Amazon to EC2 Instance

I have an EC2 instance behind CloudFlare and whilst utilising the flow log to ensure any traffic that isn't coming from CloudFlare is being blocked, I saw requests coming from an Amazon IP which is in ...
0
votes
1answer
40 views

ELB and IGW, or just ELB?

I saw AWS architecture that IGW is placed in front of ELB (i.e., see page 8 in http://www.slideshare.net/AmazonWebServices/high-availability-application-architectures-in-amazon-vpc-arc202-aws-reinvent-...
0
votes
2answers
27 views

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 ...
1
vote
1answer
31 views

VPC internal routing

I have two subnets on my VPC, each of them in different AZ. The subnet S1 is public and the subnet S2 is private. I implemented two EC2 instances, each of them on their own subnet. / AZ1 ====>...
0
votes
2answers
52 views

Way to limit Amazon ELB to a fixed set of IP addresses?

We would like to use Amazon Elastic Load Balancing, however, our application requires a fixed set of IP addresses as our clients need to know a finite list of possible destinations for specific ...
1
vote
1answer
25 views

Using AWS, EC2, can't reach port 1433 for sql server

we're using two AWS EC2 instances, win 2012 servers, one for MS SQL Server and one for IIS. IIS is unable to reach port 1433 on the SQL Server. Here's what we've tried: Checked VPC setting and no ...
0
votes
1answer
36 views

Why does an AWS EC2 instance need public and private DNS?

I am creating my own VPC and was reading some documentation. AWS documentation for DNS with VPC (click here to view) says To enable an EC2 instance to be publicly accessible, it must have a ...
0
votes
1answer
32 views

Using Cloud Formation can i migrate existing VPC from one amazon account to another

I want to migrate existing VPC, subnets, routetables etc from current amazon account to another amazon account using cloud formation. How can i do this?
0
votes
1answer
41 views

How to implement a VPN with AWS Virtual Private Cloud?

I need to create a VPC with some web services, so that I can connect directly using a VPN connection from my desktop computer. After some researching, I found this tutorial about implement the VPC ...
0
votes
2answers
57 views

How can I get the VPC CIDR range from within an AWS Instance?

I'm trying to programatically set the routes that a vpn should push to clients, one of the main ones being the VPC network. Is there a way to get the VPC CIDR block from within my vpn instance?
2
votes
1answer
56 views

Ansible : How to find the route ID connected to a subnet

I have a VPC with some routes and subnets. I want to get ansible to work with it but I can't see a way to link the subnet with the route table ID. I've used the ec2_vpc_route_table_facts, ...
0
votes
1answer
155 views

How to connect to OpenVPN clients from LAN 'members'

Working on a IoT type of thing, I want to connect some devices "in the wild" to servers in AWS through OpenVPN on an EC2 instance. So far I have been able to set up an EC2 instance configured as an ...
-9
votes
0answers
193 views

AWS Reserved IP addresses [closed]

I have multiple VPC in my account and I created most of VPC using subnet 10.0.0.0/8 or 192.168.0.0/16 or 172.16.0.0/12 subnet blocks. I am exhausted with my range due to not optimizing the IP ...
1
vote
4answers
70 views

Good generic term for a 'domain' or 'network boundary'

I'm trying to find a term...and its harder to find than I thought. Given a group of computers are within a network boundary, and have a set of user accounts (system admins) setup to oversee computers ...
0
votes
1answer
105 views

pfsense ipsec vpn to amazon aws not connecting

I'm trying to set up an ipsec vpn from our DC networks to our amazon vpc, so a site2site aka network to network connection. For this I've set up pfsense 2.2.6 and gave it a public IP on a WAN ...
0
votes
1answer
24 views

ECS VPC and EC2 Classic, how do they talk?

say that we have a number of instances on EC2 Classic (without a VPC) and a number of instances within a VPC. The Security Group on the EC2 Classic machines allow TCP only for all the machines within ...
0
votes
0answers
15 views

Can I route traffic of VPC-2 via VPC-1's VPN using VPC peering?

VPC-1 has a VPN connection which allows access to IP's within the internal corporate range. Can I create a new VPC-2 and route all traffic that's destined for the corporate range through VPC-1 that ...
1
vote
0answers
18 views

New EC2 servers unavailable via Public IP's

I've created a new VPC with the 172.21.0.0/16 subnet. I proceeded to launch an instance into it with a public IP. Unfortunately the instance does not come online. Instances that I launch in another ...
0
votes
2answers
17 views

Can we create a seperate VPC that inherits the settings/VPN of a current VPC?

Can we create a seperate VPC that inherits the settings/VPN of a current VPC? We'd like to create a 172.16.4.0/22 in our current 172.16.0.0/16 range, but when I create a new VPC with 172.16.4.0/22 ...
0
votes
0answers
4 views

Is it possible to set up a new VPC that inherits settings from another VPC? [duplicate]

I'd like to set up a new VPC for a cluster that inherits the routing from another VPC that already has a VPN set-up to our internal network. When I set up a VPC and new network currently, network ...
-2
votes
1answer
39 views

How come multiple servers can have the same elastic IP?

We had 2 VPC's in our AWS EC2 network and we had 2 different running servers with the same Elastic IP. How can this be possible? I thought IP's had to be unique.
0
votes
1answer
24 views

How do I protect a VPC from deletion?

We have a VPC with 50 EC2 servers in it. There is a VPN connection to the rest of our corporate network. How do we make sure the VPC doesn't get deleted by mistake by some script and we lose it? ...
0
votes
2answers
24 views

amazon EC2 network connectivity setup

I have two VM's on an amazon VPC (same region/availability zone) - they have the same VPC and subnet ID. Should I be able to use the private IP address from one VM to another (as is) or do I need to ...
0
votes
1answer
61 views

RDS Mixed replication, master in EC2-Classic, replica in VPC (MySQL)

I have a heavy used RDS instance (MySQL) in EC2-Classic with three read replica instances. We're on plan to move some of our micro-services into VPC and some of them need to read on those replica ...
1
vote
0answers
31 views

Routing a flannel overlay network through AWS VP peering

I have 2 VPC on AWS VPC-A 172.31.0.016 and VPC-B 172.17.0.0/24 I've created a VPC peering and I can reach all the services running on VPC-B from VPC-A and vice versa. Now I created a flannel virtual ...
0
votes
0answers
38 views

What rules do i need to allow ipsec in iptables firewall?

I have a server sitting on a private subnet behind a iptables firewall. On that server I am planning to create site to site VPN to Amazon VPN. I am not sure what rules do I need to put in my iptables ...
0
votes
0answers
52 views

Reverse proxying traffic from public AWS subnet to private - Port forwarding issue

I have an AWS VPC with a public and a private subnet. One of our APIs is a third party appliance (Netflix's Genie Federated job execution engine) that is hosted in the private subnet. We have an ...
0
votes
3answers
263 views

Configuring multiple ENIs on an EC2 instance

How do you configure the interfaces in the OS without using ec2-net-utils? I need to configure around 18 public ips to be accessible on a single EC2 instance. Each public IP needs to be bound to a ...
0
votes
0answers
25 views

when do amazon RDS instances change internal IP addresses?

So I hear that RDS instances can change their IPs unexpectedly. What does that mean, exactly? When MS updates cause a reboot? When the DB backup occurs? When the moon changes phases? I am not ...
3
votes
1answer
115 views

Questions on Elastic Beanstalk application in VPC

I am trying to deploy a rails application on Amazon's Elastic Beanstalk. I am not very well-versed in network/server environments, so I picked up some knowledge along the way by reading documentations ...
1
vote
0answers
58 views

Cannot Route RDP Traffic Through AWS Site-to-Site VPN

Hi I have establish VPN connection to the AWS VPC, but still there are some routing issues that make RDP connections fail to initiate, because the router WAN IP is differs from the Public IP, lets say:...
0
votes
1answer
41 views

EC2 instances single public subnet - VPN Successful But no internet

I have successfully established a VPN connection to VPC EC2 Instances (Windows), which reside in single public subnet. But, both instances cannot ping Google or each other. Is it possible to assign a ...
2
votes
1answer
43 views

Is it possible to split an active subnet in aws?

I created a VPC thinking I wouldn't need subnets. I just gave the vpc a CIDR range like 192.168.0.1/24 I then created a subnet which matches that exactly. Low and behold RDS requires it's own subnet. ...
1
vote
0answers
44 views

running AWS Windows server instance with amazon workspaces

Its for a project and not for production and just verity and test windows server 2012 r2 i want to create a AWS server running with windows 2012 R2 with active directory and create a AWS workspace ...
0
votes
1answer
34 views

Using a AWS VPN for client access to an internal web-application

I'm trying to connect a client's network to our AWS data-centre, to allow access to a (previously publicly available) internal web-application. At the moment we've got the VPN set up with dynamic ...
0
votes
1answer
99 views

Setting up Open VPN client on Amazon EC2

There are various pages that advise on setting up an Open VPN Server on Amazon EC2, but all I need is to setup a client (so any internet access is routed through the VPN rather than coming directly ...
-1
votes
1answer
45 views

Multiple VPC's with same CIDR?

I have to create multiple VPC (one for each application). I tried creating another VPC with same CIDR 10.0.0.0/16 and is working fine. So is it ok to create multiple VPC with same CIDR's? Also I am ...
1
vote
1answer
25 views

Configure EC2 to allow internal and external DNS lookups

Im a little new to AWS, but I've been a Linux admin/engineer for a while. I had a question regarding AWS DNS setup. I setup a Hosted Zone inside Route53 so I could configure the servers to use ...
0
votes
1answer
39 views

AWS Security group

In my aws account I have a VPC with front-end nodes and a mongo EC2-Classic. The front-end nodes are in a Elastic Beanstalk environment with auto scaling so when new instances appear I have to allow ...
0
votes
1answer
55 views

Set up a VPN inside my VPC. Why can I not connect to other hosts on the VPC?

Note: there is a similar quiestion here, but I do not understand the answer. I have just set up a VPN server using OpenVPN on an EC2 host inside my VPC. I've configured the VPN to tunnel all of my ...
0
votes
1answer
56 views

Routing with Cisco CSR 1000v to Peered VPC

We're attempting to connect our AWS instances with Verizon Wireless via a VPN. Verizon requires the use of a CSR 1000v (versus an AWS-managed VPN connection). I currently have two separate VPCs setup: ...
-1
votes
2answers
156 views

if you have your entire infra on Amazon VPC, what kind of uptime guarantee is a safe committment? [closed]

We are a small startup trying to cater to our first customer. At the moment, the entire h/w setup is on amazon cloud (will be moving shortly to VPC). I have to give an estimate to the customer, on ...
1
vote
1answer
56 views

Troubleshooting access to S3 endpoint from VPC subnet

I have a server with the following route table on its subnet: 10.xxx.xxx.xxx/24 -- local pl-xxxxxxxxxx(com.amazonaws.us-east-1.s3) -- vpce-xxxxxxx 10.0.0.0/8 -- vgw-xxxxxxxx 192.1.0.0/12 -- vgw-...