Questions tagged [networking]

For questions on connecting devices together so that they can communicate with each other, as well as questions on networking equipment such as routers and switches.

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Wireguard and zerotier not forwarding through CGNAT

I requested IPv6 networks from Route48.org and august.tw. Both offer wireguard tunnels and I connected to both at the same time with a 20 second keep alive. I also ran a test http server. connecting ...
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Home network setup is 100mbps or 1gbps depending on topology

I'll start with the topology, since changes to it will make the problem apparent: This is the setup as it is supposed to be. I noticed recently at desktop_NBD that the speed seems to be limited to ...
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Is it possible to send packet under other node's IP?

I have 3 machines on my network 192.168.2.1 => pfSense Router ( 00:0c:29:d4:1f:88 ) 192.168.2.2 => My Kali Machine ( 00:0c:29:20:f8:0a ) 192.168.2.11 => Linux ( 00:0c:29:1a:b0:f0 ) What I ...
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How to fix my localhost resolution on Windows?

I was developing a simple react app and because wanted to test it on my phone. For that every time I do npm start it runs a react-scripts module that launches the browser to show the project you're ...
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Can't port forward port 8080 between WSL2 and Windows host, though other ports work fine

I have a Spring webserver running on WSL2 Ubuntu 20.04, which would run on port 8080 by default, and it is to be accessed from other devices on LAN. I did the port forwarding from port 8080 on Windows ...
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Get true public IP of 4G router

I have a 4G router (TP-Link Archer MR200), that tells me in its GUI that it has a public IP of (just an example) 10.194.12.4. If I do curl ifconfig.me, I get a different IP, like 90.153.17.52. As far ...
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Browser address bar often forgets the link after I press Enter and does nothing

I have this problem that is bothering me for quite some time and it happens on my desktop and laptops. It happens quite often, at least one time to a few times per day. I mainly use Chrome and Opera ...
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Setting up multiple IPv6 routes over a single interface on Linux

tldr; A LAN device is able to get 2 separate internet connection (1 NATted from ISP Router, 1 from manual PPP connection). Able to separate ISP-WAN and PPP-WAN IPv4 into 2 routes using ip rules but ...
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Finding the MAC address of my router's WAN interface

As I understand, a router has at least two network interfaces: LAN and WAN. The IP address of the LAN interface is private, and the IP address of the WAN interface is public. Is the IP address of the ...
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Download speed limited to 2mbyte/s at my parents' home

I am on a Windows 10 Pro laptop. When I get home to my parents for the weekend, I notice very slow download speeds from my SFTP server via FileZilla. The issue is not connected to the Wifi, because ...
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Make a http server accessible in a remote network through VPN

I have an all Linux environment. I'm connected to a remote network through a PPP VPN tunnel. My machine at home appears to be on the same network as the remote machines through the PPP interface. This ...
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How to use xcopy with /exclude in a network path with spaces?

I want to use xcopy on a network path. I actually do. The problem is that I wanted to use an /exclude option. But the file would be in a network path. But the network path has spaces (s:\my path). So ...
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WSL2 IP packet source address is modified by windows, causing connection failure

Here's my network topology: I enabled the Routing and Remote Access Service (RRAS) on the DESKTOP, using it as a router. Things were going well when I executed ping 192.168.43.188 on WSL2 (BTW: I ...
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Configuring proxy Squid under Strongswan private network

I cannot connect to Proxy Server (Squid) from my computer (Windows 10) via VPN (StrongSwan, IKev2) on my VPS (CentOS 8) I have no idea what I'm doing, so please bare with me! Port in firewall-cmd is ...
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Multipath routing doesn't work

What I am trying to achieve: I have a server, which is gateway for client connected via VPN (WireGuard) to it. Server itself connected to 4 another server via VPN (WireGuard) and I want route all ...
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2 votes
1 answer
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How can I connect to the Netgear GS108E management console?

First, I factory reset then power reset the GS108E. Then I plugged only my laptop into it. The GS108E was unable to give my laptop an IP address (I presume because it is unmanaged or doesn't have ...
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Fritzbox 7530AX periodically stops WiFi connection to phone

I'm having constant trouble with the WiFi of my new Fritzbox 7530AX when trying to connect with my phone. For some reason, at least once (sometimes even twice) a day the connection completely stops ...
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How do I find the IP address of routers and switches on my network?

I'm attempting to reach the management consoles of three separate devices on my network (a Juniper SRX100, a Unifi Dream Machine Pro, and a Netgear GS108E). The Juniper has taken 192.168.1.1, and I ...
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Reverse SSH connection (over eth1) gets dropped when eth0 receives an IP

I have a linux device that makes a reverse SSH tunnel over a 4g dongle (eth1) to an amazon server. This allows me to connect on the device after connecting to the amazon server. As soon as I insert an ...
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Implementing QoS with an ASUS RT-AX86 series router with a daisy-chained router

I'm reading about the quality of service functionality provided by an Asus router. My use case is that I have a home wireless network with 3 roommates whereby I want ensure each "user" of ...
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Reaching hosts in a private (Home-) network from the internet

I am a new to networking and I have a question: I have a domain for the dynamic IP of my router. Is there a way of using subdomains to reach different hosts in my network E.g. I have an SSH server on ...
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I change everything but again Instagram knows it's me [closed]

I change my device, my public dynamic IP address, account, username, password, email, browser, app, cookies and everything and again Instagram knows it's me, and my question was do you know that can ...
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How to stop modem "stealing" local IP from router?

I have a NetGear C6300 modem (TCP/IP 192.168.0.1) and NetGear R6700AX Wifi router(TCP/IP 192.168.1.1) attached to it with an ethernet cable. Every time I connect a device to the modem, it will get a ...
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Cant access http local server through ethernet connection but can access through wifi

I've got a local http server which is accessible through wifi connection but not accessible through an ethernet connection, i've found another user which had the same problem, but i cant test the ...
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Debugging slow network performance on a specific machine

I have the following case: Desktop and laptop plugged-in to the same switch OS: Arch Linux (up-to-date, same configuration, same kernel, ...) The speed in LAN when testing between both machines with ...
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Command to set user and password for 802.1X PEAP authentication in Windows

0 hello you lovely people, I am trying to rollout the 802.1X PEAP authentication on a group of HP Thin Clients with Win7 Embedded and XP embedded, without setting up each one individually by hand. The ...
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Unable to get access to router home page after disabling NAT

I have a private home network using a single NETGEAR cable router. I accidentally disabled NAT in the router's home page, and after that I cannot access the home page anymore. The thing is that I was ...
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What is the correct way of shorten this nat based multiple ports?

Can these rules shorten to single line: post-up iptables -t nat -A PREROUTING -i vmbr0 -p tcp --dport 3050 -j DNAT --to-destination 192.168.1.3:3050 post-up iptables -t nat -A PREROUTING -i vmbr0 -p ...
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Allowing forwarding from private network kvm guest to subnet

I have the following defined in my XML file for a guest: <interface type='network'> <mac address='de:ad:be:ef' /> <source network='private' /> <model type='virtio' /> &...
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iptables -j TPROXY: What host iptables rules could possibly lead to a IP leak in a anonymizing middlebox with Tor?

I know that I can setup a Tor "router" with its TPROXY transparent port with: ip tuntap add tap0 mode tun ip link set tap0 up ip address add 10.0.0.1/24 dev tap0 ip rule add fwmark 1088 ...
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Native VLAN (Cisco term) vs. PVID (IEEE 802.1q Standard), What's the difference?

Still working on updating this but I welcome suggestions, corrections or comments... Question: What is the difference between PVID and Native VLAN? When configuring a home-networking device such as ...
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Why can't I ping a Docker container from the host when using IPVLAN in L3 mode?

I've got a docker host with a interface on network 10.0.1.0/24 and ip address 10.0.1.9. I created a docker network as follows: docker network create -d ipvlan \ --subnet=10.0.2.0/24 \ -o host_iface=...
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Ubuntu hotspot limit devices to LAN access

I have set up a WiFi hotspot on my Ubuntu machine (using the builtin hotspot tool), to share connection to some wireless devices. Now I would like to restrict some of those devices (IP range, or MAC ...
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How to access guest's Samba server on local network avoiding Window's share

At the moment I'm having trouble getting anyone to log on to the network (via \\26.x.x.x IP), so typing \\26.x.x.x in Explorer redirects to Windows's computer, not linux's Samba. It's possible to ...
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I want to remotely connect to a PLC using another computer on the local network to give me access

I would like to ask someone to point me in the right direction. I have to maintain a PLC that's connected to a computer. I have an Anydesk connection to this computer. The problem is the computer is ...
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How to redirect Android VM traffic (http + https) to Ubuntu VM?

I have VirtualBox running on host machine (Mac OS). Inside VirtualBox are two VMs: Ubuntu VM, and Android VM (Direct VDI file from https://www.osboxes.org/android-x86/ and used it in VirtualBox, to ...
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When I access a server that has multiple DNS IP addresses, which one do I use?

Right now if I run host superuser.com, I get: superuser.com has address 151.101.193.69 superuser.com has address 151.101.1.69 superuser.com has address 151.101.65.69 superuser.com has address 151.101....
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Is it possible to forward a IPv6 port from loopback to a network interface and make the port reachable in a guest (peer)?

I know that there is no sysctl flag called "net.ipv6.conf.all.route_localnet", so that, IPv6 ports from loopback interface cannot be forwarded to a subnet. I tried to bypass this issue by ...
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Computer causes other devices to lose internet access

I recently moved into a new apartment and as a result got a new ISP and router.Quite quickly I noticed I was having a strange issue that I'd never seen before. When my computer connects to the network,...
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-2 votes
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Is IPv6 dead by now? [closed]

Ten years ago there was a lot of talk about IPv6. But just now I tried to disable IPv4 and to browse internet via IPv6. It turned out, I basically can access only Google and Wikipedia with IPv4 ...
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Hyper-V Nested VMs RDP

I am trying to setup nested virtualization with Hyper-V. Layout: Explanation: On the Physical Host I am connected via wifi to the router. The physical host has a static IP of 192.168.1.2 so that I ...
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Accessing a device (raspberry pi) using port forwarding is not working while I can access through LAN

I've configured a router model TP-WR940 v6 as an internal LAN2 (192.168.0.0) inside my main LAN1 (192.168.1.0). Router is connected to the LAN1 as any other device, and have a fixed IP in that LAN. I ...
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How could I tunnel multiple IP address through a Wireguard tunnel?

I am new to Wireguard and networking in general. I have two servers: one with a /24 IP block and little computing power, and another with lots of computing power but no IPs. I am unable to reassign ...
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Acccessing a network service attached only to localhost via LAN - Windows 11

Is there a way to get connectivity to a network service that is accessible only via localhost from a LAN IP under Windows 11?   I'm trying to access a docker image hosted on Windows over LAN. So far I'...
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Acces to a local git repository in a http local server nginx from aoutside lan

Ok so I have a local git repository in a nginx http server in my rasberry pi.(this tutorial) It works perfectly fine even using Git lfs, but im only able to use it in my local network. So I wanted to ...
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How can a domain be live and available to be directed to an IP address?

I was just thinking, how can a domain be live and available, all this time we buy a domain to turn on and then we use, but how is the flow? whether to turn on a domain and then use it must always buy ...
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-2 votes
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How change the IP address of the computer on Windows 10?

My PC has Windows 10 since I bought it. The computer network works with a WIFI router with a static IP address. I recently discovered that the current internal address of the network has changed from ...
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Differentiate two devices with same IP using siwtches

I have system like above. From Client-2, I need to send different packets to VM1-Server and VM3-Server using TCP. The problem is that both Servers have the same IP and I can't change them. It is ...
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Windows Connection to Local Computers is Slow by Name but Fast by IP Address

On Windows 10, I have several computers hooked up together with ethernet cables and each machine has its own static local IP address, like this: Given this setup, if I try to connect computers to ...
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Modbus traffic in Wireshark

I am tinkering with some modbus python scripts to try and learn it but I cant seem to capture traffic on wireshark. Can a Modbus client and server both run localhost on the same computer listening on ...
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