I want to redirect incomming requests on a port range ( 30000 to 40000 ) to a different host on a different port range ( 10000-20000 ) mapping them 1 to 1. ( 30000 to 10000, 40000 to 20000 et...

I'm trying simple port forwarding with VirtualBox and it appears VirtualBox.exe is listening on the host to the port, but not actually forwarding the connection to the guest. I've tried on multiple...

I've been struggling with this for hours. So, I created my VPC, along with 4 different subnets. The first three are attached to a regular Internet Gateway. The last one is attached to a NAT Gateway...

Since NAT gateway only have redundancy within a single AZ, if I want to have a public/private pair of subnets in every AZ for the purpose of multi-AZ redundancy, I should have a NAT gateway i...

Scenario: Many embedded devices (running Linux) out in the fields, behind routers so NAT'd and we can't make connections to them. We need for a support person to be able to initiate a terminal/sh...

I'm trying to make an (apache) server behind multi-layered NAT to be accessible from Internet. Restrictions: Avoid relay. There is a public server (we call him the OldMan) for login / stun, but ...

TL;DR - Why does Docker call it's default networking as Bridge Networking when it seems to be a lot like NAT Network. Let start by looking at how - 1) VMWare or VirtualBox handles networking for v...

i am using the java sbbi library to forward ports. but my router is conected to another router, so the external ip of the first router is a ip that was given by the second router dhcp. is there a...

While creating NAT Gateway an Elastic IP Address is created in AWS. The AWS documentation (1) also mentions the same. Why is an Elastic IP Address required for NAT Gateway?

I have to sync some data via a static outbound IP that I need to whitelist with the data provider beforehand. For this reason, I would like to configure a static outbound IP address for an AC...

I am running a ddns client on Ubuntu for Nextcloud server, however my ISP has done something to the router so internet IP showing in the router is different from my public IP which causes an issue ...

I was under the impression that WebRTC goes to great lengths to achieve P2P connectivity despite NATs. [1][2] That's why I was surprised to learn that WebRTC fails to connect peers in some situatio...

After installing Fusion 8.x and 10.x, I cannot find the vmnet1 and vmnet8 at all. When I do sudo /Applications/VMware\ Fusion.app/Contents/Library/vmnet-cli -c This is what I got: Configuri...

I a trying to setup this machine: https://github.com/ByteInternet/hypernode-vagrant When I do vagrant up i get following error: Timed out while waiting for the machine to boot. Full context of th...

I'd like to setup a NAT gateway, using Cloud NAT, so that VMs/Pods in a public GKE cluster use static IP addresses. The issue I'm facing is that the NAT gateway seems to only be used if VMs have n...

I'm a bit lost on that one - I've followed AWS documentation and it seems that there is nothing more I can find. The situation summary is that I have an EC2 instance within a VPC and it can't reach...

Can someone explain to me what actually happens in the back-end to the load balancer (v2) for the two scenarios: Applying Inbound NAT rules. Applying Load Balancing Rules.

I am trying to achieve double NAT working with UPNP. My PC connection is as follows: Internet -> Router 1 -> Router 2-> PC I have successfully done port forwarding on the Router 2, but not able to ...

I know this topic is not new. There is various information out there although, the robust solution is not presented (at least I did not found). I have a P2P daemon written in python3 and the last e...

I know that when a HTTP request is made, packets are sent from a seemingly-random high-numbered port (e.g. 4575) on the client to port 80 on the server. Then the server sends the reply to the...

I have a AWS Lambda function which: checks a Redis Elasticache instance, if the item is not found in the cache, goes to Google Places API service. The Redis instance is in a private subnet; s...

If I have two internal computers connecting to the same external IP address through a NAT router, how is the router able to get the traffic to the correct internal computer? It is my understanding ...

We think we are having Azure SNAT exhaustion issues with a group of virtual machines within Cloud Foundry. The machines are not going through a load balancer. I've been through this document: htt...

So I have a kubernetes cluster running in Google Cloud. And from pods inside the cluster I need to access an external DB which has IP whitelisting configured. It seems that I need a static, shared ...

When I configure a NAT Gateway, I will have to select a subnet, hence to my understanding, one NAT Gateway for one Subnet which falls under one Availability Zones. Then I saw the below statement ...