Questions tagged [gateway]

A gateway is a network node used in telecommunications that connects two networks with different transmission protocols together.

A gateway is a network node used in telecommunications that connects two networks with different transmission protocols together.

or

A gateway computer that sits between different networks or applications. The gateway converts information, data or other communications from one protocol or format to another.

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How to add new multiple ip addresses with different default gateway ip to same interface on ubuntu server 20.04

and thanks in advance for any help. I got /29 ip address range, and this was after I had set up my server with a different ip and default ip. So, I was assigned a new range of ip's which have a different default gateway, then my current gateway. …
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Docker containers can't connect to IP on the Internet but the host can

I've been scratching my head about this for a full day now, I'm hoping to get some pointers in the right direction. From the host I can connect to the Internet just fine, but any container I start does not have connectivity. When I run this script…
bash
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Networking issue with Fedora Server 38 as a firewall / gateway

This environment has twins of virtually everything, including two web server / firewall / gateway systems, and they were getting long-in-the-tooth version wise, so I decided to upgrade from Fedora Server 30 to 38 on one of them. The idea was, of…
Richard T
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Respond to inbound connections from multiple gateways on a single interface

I have a network with multiple gateways (gw1: 10.0.0.1 and gw2: 11.0.0.1). My server (Ubuntu 20.04) have one NIC with multiple addresses (eth0:gw1: 10.0.0.55 and eth0:gw2: 11.0.0.55). Each gateway provide internet access and have a NAT rule…
fox91
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What is the difference between route add x.x.x.x via gatewayip and route add dev interface?

I was so confused with my configuration. In my server I have 2 interfaces: eth0: 192.168.1.22 gw 192.168.1.1 eth2: 10.2.1.6 gw 10.2.1.1 I wrote a static route: ip r a 8.8.8.8 via 192.168.1.1 worked great!! then I deleted it and ip r a 8.8.8.8…
bing0
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How to setup netplan routing for second (non-default) NIC to Lan gateway, while using iptables?

Trying to setup netplan (networkd) gateway-routing, with no-dhcp, iptables forwarding+Nat, between the 2 NICs: wan0 connected to Internet via its (default) gateway lan0 connected to the Lan gateway/router (**) The current yaml looks like: Let…
akhu
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GCP: Api Gateway failing to redirect to an url made from a private dns

I have a vm instance at IP 35.187.188.140. I created two url representing this service by two different ways, and I inject it in the Gateway configuration file. http://35.187.188.140.nip.io is a url created by nio.io service. Given an IP, you get a…
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How can I configure proxy as a gateway

I have a proxy service, i want to configure it as a gateway. Means, I am running a VPN service and want to pass all my client's traffic through this proxy. But i don't want to configure this proxy on client end. Niether want to configure any CA…
Sohaib
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Port Forwading by Url? (Nginx)

I am new to server stuff, i want to host multiple rest service using docker and nginx. Let's say i have three service that runs on 8180, 8181 and 8182. I am able to forward request to one port but i have no idea how to tell nginx to forward to…
Fen
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PFsense with user-specified WAN gateway

In my network I have two different gateways to access the internet. Without PFsense, clients would configure a static IP and configure the gateway that they need. Most clients have two network configurations (one for each gateway) which they can…
a.ilchinger
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NATing Traffic Through VPN Tunnel

I have a Fedora 36 server setup running as a gateway. It forwards packets to a further gateway down the line, which works well. I have taken out a subscription to NordVPN, and have used OpenVPN on the server to connect. The connection works, and…
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How to configure 2 x NIC with each having their own gateway?

I am going to give a brief unrelated explanation first to make sense of my question: I have 3 Linux boxes with each having 2 x NICs, 1 for the WAN interface and 1 for the LAN interface. Each Linux box has a full public subnet from the ISP configured…
Granwille
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How do web clients access vpn protected servers?

I'm not talking about joining the VPN network through a client like OpenVPN, I'm talking about the user's connection to the VPN server, for example: Normal flow: Web Client >>>> Server (No VPN) Server flow with VPN: Web Client >>> [ Reverse Proxy ?…
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How to forward traffic from one LAN router through another router then to the original gateway?

I have two routers connected to my ISP within one town in the subnet 192.168.0.0/24.Router A can reach router B successfully. I have higher bandwidth on router A than B. I would like to make A the default gateway for router B so that all requests…
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How to restrict exim accept mails for one domain from certain hostname?

I have setup proxmox mail gateway in front of exim with many domains. But only some domains in exim are enabled for mail gateway. But sometimes, those domains recieve spam mails bypassing mail gateway. Because spammers are directly deliverying mails…