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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26 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 ...
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0answers
17 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 ...
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2answers
44 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?
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1answer
31 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
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1answer
54 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 ...
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0answers
175 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 ...
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4answers
65 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
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1answer
51 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 ...
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1answer
17 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 ...
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0answers
11 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
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0answers
17 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 ...
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2answers
15 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 ...
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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 ...
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votes
1answer
34 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
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1answer
23 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? ...
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2answers
23 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
31 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
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0answers
15 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 ...
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0answers
32 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 ...
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0answers
36 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 ...
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3answers
103 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 ...
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0answers
20 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
86 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 ...
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0answers
52 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 ...
0
votes
1answer
37 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
33 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
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0answers
29 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
25 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
73 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 ...
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votes
1answer
40 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
21 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
37 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
50 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
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1answer
33 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: ...
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votes
2answers
140 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
39 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 -- ...
2
votes
1answer
37 views

How to redirect traffic on vpc instance

I'm working with Amazon web services and I have a VPC with two instances one of the instances is running my app and the other one has a VPN connection to a payments system. The VPN tunnel is working ...
0
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0answers
24 views

VPC router does not route traffic to CSR

I am trying to configure VPC Gateway Redundancy with Cisco Cloud Services Router (CSR). http://www.cisco.com/c/en/us/td/docs/solutions/Hybrid_Cloud/Intercloud/CSR/AWS/CSRAWS/CSRAWS_4.html ...
1
vote
1answer
25 views

Creating external access to IIS server running in AWS VPC

I have setup a new instance of Sisense in a AWS windows instance running in a VPC. This runs on top of IIS on port 8081. It is working correctly from the windows VM and I can connect to the app at ...
1
vote
2answers
80 views

Wildcard SSL Certificate on Multiple ELBs in VPC

I am very new to installation of certificates and AWS itself altogether. Now, in my current infrastructure I have 3 ELBs that are in a VPC. I have purchased a wildcard ssl certificate from COMODO ...
0
votes
1answer
73 views

What is the benefit of VPC Endpoints on AWS?

I learned a long time ago that if you want an EC2 instance to be able to talk to AWS services like SQS, Kinesis and the like, the instance has to either have a public IP address or there needs to be ...
0
votes
1answer
21 views

Amazon - point your elastic IP to a VPC peer

I can't seem to be able to find an answer to this question within the Amazon documentation. Let's say my account has an elastic IP. It is now assigned to an instance within a VPC. I then start a VPC ...
0
votes
1answer
69 views

Should I use amazon VPC or EC2 in this scenario?

My application is a SAAS that leverages amazon web services. Currently, the application is ending development and my company received its first client. My application users are required to upload word ...
1
vote
1answer
77 views

OpenVPN and AWS VPC. VPN Client can connect to VPN and ping VPN Server but cannot connect to VPC Servers through the VPN

I'm having issues routing traffic from the VPN Clients to the LAN the openvpn server is on. This is running in AWS VPC. I can ping vpn client and server from one another, but not the other servers ...
0
votes
1answer
118 views

Amazon Web Services, mod_remoteip behind VPC hosted ELB occasionally sending IPv6 addresses

On Amazon Web Services, I have an EC2 instance running Apache and mod_remoteip. The instance is behind a Virtual Private Cloud (VPC) hosted Elastic Load Balancer (ELB). In the mod_remoteip config ...
0
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0answers
135 views

Setting Up StrongSwan on CentOS 6 to Connect to Amazon VPC VPN

NB: This questions pertains to connecting Strongswan to AWS hardware VPN, NOT between two servers running Strongswan I tried following the tutorial here: http://www.mynameistoby.com/ It won't work ...
0
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1answer
124 views

AWS VPC Public Private Subnets - EC2 Instance cannot reach RDS instance

Following rposcibed pattern here: Scenario 3: VPC with Public and Private Subnets and Hardware VPN Access Summary Description: I have configured a VPC with 1 public Subnet and 2 private Subnets Each ...
0
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0answers
31 views

IIS to SQL Server IPSec configuration

I'm trying to configure 2 servers on a VPC on Amazon AWS to use IPSec. One server has Win2008 R2 with SQL Server 2008 and the other one is a Win 2012 R2 with IIS. I want to secure the connection ...
0
votes
1answer
37 views

Is there a benefit to assigning a static IP to an instance instead of DHCP

We are creating a Windows AD instance in our AWS VPC and we're wondering if there is any benefit to assigning a static IP to that instance instead of using the default behavior of a subnet which is to ...
1
vote
1answer
40 views

Merging multiple VPC's

I'm trying to merge multiple VPC's with site-to-site OpenVPN. I think it is almost successful but I face a strange behaviour. Here are the setting: VPC 1: 10.20.0.0/16 WebServer1: 10.20.49.147 ...