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Questions tagged [gateway]

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

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DNS resolution in NAT gateway blocked by ufw

I have a LAN (172.16.0.0/24) and 2 servers: "Bastion" (172.16.0.3), which has a public IP and can reach internet "Redis" (172.16.0.4), which doesn't have a public IP and can't ...
alexandernst's user avatar
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High availability / load balancing methods for on-premises gateways for SaaS systems (gatway initiated connections)

While I have a specific setup I'm writing this as a general question so someone can bring some related ideas. I have a SaaS that uses a gateway inside my network to connect to my on-premises systems. ...
Iñigo García's user avatar
-2 votes
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Azure RDS using VPN or Gateway?

We are moving our environment to Azure. We need to have 3 VM's: Domain Controller SQL Server RDS Server I am trying to be as concise as possible. I already have remote management software installed on ...
BlueTube's user avatar
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1 answer
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Proxmox Mulitple Public IP

I have a server at Hetzner with several public IPs. I configured it in bridge mode. Everything is working so far, but how do I tell the individual VM to please go online with this public IP address? ...
dima1002's user avatar
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How can I configure SSH on my laptop to use a Control Master on a remote gateway?

I have a server, let's call it server, which requires a 2FA authentication every time. So, I can set up ssh multiplexing to reduce the number of required authentication. However, I usually carry my ...
Yuxuan Lu's user avatar
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1 answer
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Automatically change gateway based on internet connection

I have 2 connections to different internet providers in my Debian 11 system, I need to set the eth0 as the default and if it loses internet for any reason, change to eth1. After that if eth0 gets ...
Lucas Sanchez's user avatar
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2 answers
108 views

How to properly do ip specific routing on sbc gateway/router? Not forwarding responce

My network uses 192.168.100.0/24 The routers gateway is 192.168.100.1 I have a windows pc at 192.168.100.15 I have a fresh install of ubuntu 20.04 on a SBC with ip 192.168.100.207 lan0 On this sbc I ...
Chris Zahrt's user avatar
1 vote
3 answers
776 views

Configure nginx running locally to server the port running docker container locally

Hi this may be a noob question. I am trying to replicate a 502 bad gateway error when using nginx as a web server. I have locally running VM of Ubuntu 20.04.6 LTS on which I have freshly installed ...
Curious Developer's user avatar
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Default gateway setup in different networks connected through intranet service

How do I setup default gateway on two different networks connected to a third network (home office) through a provider? the provider provides intranet service. The two sites need access to internet ...
Sakadude's user avatar
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Kubernetes Gateway API - Using HTTPRoute rules to rewrite URI paths

My goal is to have a single Gateway that can be used to host multiple applications at different paths. The URLRewrite filter exists, however, when it does not seem to be working as expected. Using ...
TJ Zimmerman's user avatar
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502 Bad Gateway nginx 1.20.1

I know why is this coming. But I don't know how to fix it. I was installing osticket following this article. https://www.vultr.com/docs/how-to-install-osticket-on-centos-7/ Turns out current osticket ...
achhainsan's user avatar
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AWS - I want to route traffic from one VPC to another, but I want all traffic INTO that VPC to share an IP

Due to a very complicated situation that I can't really get into, we have a VPC that has access to a certain server via a direct connection. This server requires that we whitelist an IP to access it. ...
Whitewind617's user avatar
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3 answers
310 views

Zscaler as a router

Is it possible to install zscaler on virtual machine (e.g. linux), and use that machine for accessing only few hostnames? I would point other machines to go via this virtual machine only for those few ...
Marko Kraljevic's user avatar
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490 views

Configuring Nginx Reverse Proxy: Resolving Bad Gateway Issue

I am attempting to set up an Nginx reverse proxy that should be accessible from another server. The purpose is to redirect requests to an upstream test environment. The connection necessitates a ...
Radoslav Enev's user avatar
1 vote
1 answer
257 views

Alma Linux - Gateway fall back is not working, when gateway IP with lower metrics is down

Currently I am using Alma-Linux, where I need to create 2 default gateways for the same NIC. Main intent of 2 default gateway configuration is.. when any one of the gateways is down then it will fall ...
cpp_learner's user avatar
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Best approach for deploying code to servers behind a gateway

I am attempting to adjust my deployment scripts to access a server behind a newly established gateway that I've configured. The gateway currently is accepting traffic from the internet correctly and ...
Rohit Keshwani's user avatar
1 vote
1 answer
591 views

Alma Linux -Static route configuration is not working as fall back mechanism, when default gateway is down

Currently I am using Alma-Linux, where I need to create 2 default gateways for the same NIC. Main intent of 2 default gateway configuration is.. when any one of the gateways is down then other one ...
cpp_learner's user avatar
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Internet Forwarding

I am looking for Internet Routing. Right now we have 2 offices one in Germany and One in Dubai. Everyone is connected through VPN Tunnel of the German office. The German office wants to connect to our ...
Emir's user avatar
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Set up an autogateway

I don't do very heavy linux sysadmin, but we are up to ~35 servers that I run. I'm an engineer by trade and just know enough about linux to be able to help when things go wrong. Now that we have a ...
M46f988b814's user avatar
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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 ...
ITisandiamIT's user avatar
-1 votes
1 answer
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Internet reachable from the first subnet, not from the second, on same NIC

Hi (I hope this a the right place) I'm working on ubuntu 18.04 with ifupdown (/etc/network/interfaces etc.), not netplan. I'm trying for several days on this difficulty. one PC (A) with 2 cards : ...
romaillard's user avatar
2 votes
0 answers
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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 ...
bash's user avatar
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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 ...
Richard T's user avatar
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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 ...
fox91's user avatar
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2 answers
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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 ...
bing0's user avatar
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-1 votes
2 answers
294 views

Access Denied to search.maven.org

Not sure where to post this?!?!?! When using Jeremy Longs dependency-check the following error occurred today and stalled our development/CICID (jenkins slave within OTC): $ dependency-check.sh -l ...
U.V.'s user avatar
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0 answers
680 views

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 ...
Sohaib's user avatar
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Port Forwading by Url? (Nginx) [duplicate]

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 ...
Fen's user avatar
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1 vote
1 answer
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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 ...
Granwille's user avatar
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1 answer
65 views

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 ...
srluccasonline's user avatar
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1 answer
872 views

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 ...
frequency ent's user avatar
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1 answer
92 views

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....
Ozgur Erdogan's user avatar
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1 answer
159 views

GatewayPorts permanent connection

These days in Iran, the Global internet is blocked. just we access the internal internet. So I have to connect to a server in Iran (Ubuntu 20), Then connect to the second server in another country. (...
user2726957's user avatar
1 vote
1 answer
620 views

Google AppEngine - 502 Bad Gateway

I'm running a Python Flask endpoint locally and it all works fine, but when I deploy it in GCP AppEngine, I get a 502 Bad Gateway. It seems to fail at about 200 reads of 2290 bytes each. I've ...
Irfaan Sulaiman's user avatar
1 vote
0 answers
156 views

Windows PCs arping excessively for Domain Controller because they don't like the gateway given by DHCP

I've been administering my company's network for about 20 years. This is the first time this has ever happened and I've exhausted all means including my external network consultant and firewall ...
AbeyMarquez's user avatar
1 vote
0 answers
725 views

How can I route a specific local device through a proxy? (Smart TV with no available proxy configuration, only gateway+dns)

Current Setup https://i.stack.imgur.com/2w5Nd.png Currently just running a pi-hole DNS, and a lighttpd server on port 80 to access pi-hole admin web interface. I have made a DHCP reservation on my ...
James Lemieux's user avatar
1 vote
4 answers
513 views

Why do our network does not have internet when adding a route?

We have 2 Networks. The first is an OpenVPN server with the Network 10.170 The second is a Gateway-Server for our laptops, printers etc. on Network 10.133.10.1 It haves the OpenVPN-IP 10.170.0.19 The ...
Timo Treichel's user avatar
0 votes
2 answers
1k views

Openvpn multiple client same gateway

I have two clients that need to connect to one OpenVPN server. Is it possible to use the same gateway for both clients in the ifconfig parameter? Client A config file [...] ifconfig 10.0.0.2 10.0.0.1 ...
Theodor's user avatar
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0 answers
577 views

Split /24 IPv4 subnet into multiple /28

I would like to know if it is possible that a subnet /24 that I assigned to a dedicated server (via BGP session) can be divided into smaller subnets without the intervention of those who have access ...
F.Hazi's user avatar
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1 vote
0 answers
171 views

DNAT From Virtual Network Gateway

I have a client connecting to my Azure Virtual Network Gateway (Gateway1) that sits in a Virtual Network (ClientVNet1: 10.13.0.0/16). I want the client to be able to connect to my DB (10.4.2.5) in a ...
user472292's user avatar
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1k views

Make use of Hetzner Robot vSwitch public IPv4 subnet on Hetzner Cloud servers

We have an issue with the use of Hetzner Cloud's Network with Hetzner Robot's vSwitch. I'm setting up a new project, where I have 2 dedicated Robot servers. They are set up in a vSwitch with a /28 ...
Peter's user avatar
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3 votes
1 answer
27k views

How to configure wireguard to forward client IP address (with gateway)?

I am trying to configure wireguard to work as a VPN server. The main problem is, that the gateway only forwards the VPN server ip to other server, not my client IP. My setup is the following: ...
Daniel's user avatar
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0 votes
1 answer
145 views

Is there a de-facto 'standard' for the gateway address on a LAN

Is there a de-facto 'standard' for the gateway address on class C subnets? Asking because I've been fighting a docker-compose issue with macvlans where it assumes the gateway is always at 192.x.x.1, ...
Roddy's user avatar
  • 290
0 votes
0 answers
675 views

OpenVPN route to the server itself over the tunnel

I want to use an OpenVPN connection to access my local resources. I have iptables set to allow connection from 192.168.1.0/24 subnet. When I connect from my phone or Windows machine everything works ...
ihorc's user avatar
  • 53
0 votes
1 answer
45 views

Deploy multiple applications developed on different .Net frameworks(.Net 4.7 and .Net 6) in the same domain in Azure

Please, I urgently need to solve this issue. I have 2 .NET applications ( MVC .net 4.7 and React + core .net 6) which I want to deploy in the Azure under same domain because both share the same cookie ...
MUHAMMAD ADIL Khan's user avatar
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0 answers
149 views

How to route a specific IP through a specific NIC (PC have 2x Interfaces)

I have a PC with two Interfaces. One is always left as DHCP (and for Internet access via a LAN cable at work). The second is with a fixed IP and Subnet Mask, to communicate with another Linux machine ...
R T's user avatar
  • 1
-4 votes
1 answer
209 views

Not getting faster Internet speed after aggregation of two Verizon gateways [closed]

I want to increase Internet speed by using two Internet gateways instead of one. I have two Verizon home-Internet-LTE gateways. Both are connected to a TP LINK TL-SG116 Switch, which has IEEE802.3ab (...
Doug Null's user avatar
  • 246
0 votes
2 answers
876 views

Gateway with multiple VLAN IPs on one NIC

I would like to separate several hosts from the local network and put them behind a firewall. I would like to use VLANs to "physically" separate them instead of using just different subnets. ...
user236012's user avatar
0 votes
1 answer
726 views

iptables: How to block UDP between devices on LAN-side of gateway (using dd-wrt firmware)

Goal: To block UDP traffic to devices on LAN-side of this gateway (using dd-wrt firmware), that communicate with internet and each other, to test specific communications applications running on each ...
Grumpy Curmudgeon's user avatar
3 votes
2 answers
4k views

How can I get Egress Static IP per namespace within a EKS cluster

My current setup involves an EKS Cluster with multiple namespaces (multi-tenant) across many different EKS nodes in private subnets. I would like the egress traffic from the pods to have a dedicated ...
Karthik Balasubramanian's user avatar

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