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Questions tagged [nat]

Network Address Translation (NAT) is a method of connecting multiple computers to the Internet (or any other IP network) using one IP address.

Network Address Translation (NAT) is a method of connecting multiple computers to the Internet (or any other IP network) using one IP address.

NAT is also known as IP masquerading.

RFC 2663 - IP Network Address Translator (NAT) Terminology and Considerations

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Port forwarding like FPipe.exe on Windows?

Hello I want to forward port A of my host to port B of another host, in Linux I always use: iptables -t nat -A PREROUTING -p tcp -m tcp --dport A -j DNAT --to-destination dest:B iptables -t nat -A POSTROUTING -d dest -p tcp -m tcp --dport B -j SNAT…
Felix Yan
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TCP connection: After a while, server cannot send packets to client. Client can though

I think it relates just to the TCP layer, but I describe my setup in the following paragraph: On google compute engine I set up a http and websocket server (python, geventwebsocket+gevent.WSGIServer). At home I have my computer (esp8266) that…
Adam
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Why is NAT causing problems for server running on the home network?

NAT has enjoyed widespread deployment in recent years. But NAT is not without detractors. First, one might argue that, port numbers are meant to be used for addressing processes, not for addressing hosts. This violation can indeed cause problems…
douyu
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Does Wippien use a direct connection?

I started using Wippien to make p2p connections between 2 distant Windows Servers. I use 2 different GMail Accounts. Wippien uses "Mediators" to initiate the connection. But are mass data transfers really direct, or is it routed through the…
Karl Thorwald
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Does our home router also has NAT functionality?

I know about Network Address Translation and how it works by replacing the source IP address (which is private) by its own public IP while forwarding packets into the network. But the routers that we buy for personal use at home (Wifi routers) to…
Shivam Jindal
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forward traffic from one ip in lan to other ip on different interface using microtik router

I have a microtik router which is connected to different networks, one of them is our lan, another is the network of a media system we are using. My problem is, that I need to redirect all traffic going to an IP in our lan assigned to the microtik…
fredo.r
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Virtualizor nat translation not working correctly

So I have vps-server hosted by Hetzner, I have IP range from them and I have Virtualizor as my vps platform. I have problem with IP assignment.My servers ip is 95.216.9.103 and additional IP range is 95.216.233.136 /29. So I have first IP as a…
videosambo
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Lambda function access rds instance (with Internet Gateway)

The link explains that need to use NAT Gateway for the public subnet to make it possible to access the internet and the lambda function access the RDS instance. First does it realy have to be NAT Gateway can't use instead a Internet Gateway for that…
H.C
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Getting a VPN to use a NAT Gateway

I want to create a VPN instance where: 1) Clients can connect over a public IP 2) All outgoing connections happen over a NAT gateway To illustrate: We want to do this because our NAT gateway IP addresses are whitelisted by vendors and it would make…
Temuz
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How to access instances in the Availability Zone which is Down.?

There are two Availability Zone in a VPC, I would like to access instances which are in one Availability Zone when the other availability zones is down. Doesn't matter Private or Public instances.
roshni k
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How to configure PAT on Cisco router

I have a little problem configuring my Cisco Router1 in Cisco Packet Tracer. I want to ping my PC1 from my PC2, which is in a private network. I have the following schema: So, I configured my Router1 as followed: Router1(config)#access-list 1…
Bernd
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port forwarding (NAT) in android hotspot

Im setting up a raspberry based surveillance system using motioneyeos. I connect the raspberry to the router and set the Nat in the router to redirect connections to port 80 to the raspi. And it works. The problem is that the system is gonna be in a…
javirs
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Nat - Virtual Server Configuration

I'm trying to make my server accessible from the net. I have problem with configuration of NAT in the router. I don't know what I'm suppose to write in 'Remote Host'. Should I put the Static ip(ISP) there or the dynamic adress of the host that will…
Maherbs
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AWS validate that the private instance is connected to the internet using NAT

I have a public and a private instance in my AWS VPC. I created a NAT gateway in my public subnet. The route table that is associated with the private subnet (of the private instance), has a route with destination 0.0.0.0/0 and target to the NAT. So…
TheCrystalShip
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How PAT works in Azure

I am trying to understand outbound connections in Azure, there was a specific point that is really confusing me, Multiple flows, each to a different destination IP address, port, and protocol, share a single SNAT port I'm unable to understand…
cosmos713
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