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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9 views

How to resolve NFS Mount 'Error 1222' under Windows 10 Pro

I'm running the latest version of 64-bit Windows 10 Pro on my desktop box, which I'll call the Client box. I have another box running the same OS (the Server box) which I use to share six full HDs ...
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Unable to load any webpages

I have trouble using the Internet using Wifi on my Windows 8 laptop. It first happened about 2 days ago, everything was fine in the morning, but I was unable to connect to any webpages in the ...
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VMWare Workstation: limit network access from guest to one physical adapter on host

I have a Windows 7 guest system VM that has access to the Windows 10 host network using VMNet8, i.e. natted connection. The host has two physical NICs: one is connected to a private LAN, the other ...
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35 views

How do I authenticate wired connections over my router's ethernet port?

I have an internet connection from ISP which I connect through a D-Link router. The router logs into the ISP's PPPoE connection using the credentials given by the ISP to me and I have setup a Wireless ...
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42 views

Can a VLAN be configured to function correctly even if there are unmanaged switches in the network?

Is it possible to configure individual ports on a managed switch to block specific VLAN traffic? I've been trying to read up on this but I haven't found a definitive answer yet. Our home network is ...
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Windows 10 DHCP stopped working properly and I can't restart it

For some reason Windows DHCP service, for both IPv4 and IPv6, bugged by itself in one of my laptops, because the network adaptors can't receive correct settings anymore. My internet gateway IP is 192....
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1answer
29 views

Router and access point: Why are IP devices not visible between the two?

My network has a TP-Link Archer C7 as a router connected to the ISP and a TP-Link Archer A7 configured as an access point connected by cable to the router. Both support 2.4/5GHz with main and guest ...
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Securely routing all traffic in a home network through a secondary firewall/gateway

FYI, I'm not a networking expert by way a long shot :-). I Have a plain simple home networking setup: a VDSL modem/router with home devices directly connecting to it mostly through wireless. I'd like ...
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Methods to stream desktop to laptop

Due to unrelated circumstances I may need to move my desktop into a room where space is an issue and it is not possible to add another dedicated computer screen. I would like to stream my desktop to ...
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Why does networkd forget the bridge configuration then complains about invalid gateway?

I use 2 of the 4 ethernet sockets as a bridge, which I configure with netplan: network: version: 2 renderer: networkd ethernets: eno1: dhcp4: no eno2: dhcp4: no eno3: ...
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Can I limit the scope of ntop to only monitor a specific connection?

I need to be able to track client data usage between their VM and an S3 compatible object storage bucket (accessed via https). I've installed ntopng community edition on the VM and right now it's ...
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Where would I change the firewall setting in this setup?

We have a host running windows 2016 server with several Hyper-V VM's also running Windows 2016 server. One is a DHCP server and one hosts out SQL DB. Windows active directory has also been setup on ...
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How do I exclude a port from OpenVPN on Raspbian?

I am running an OpenVPN tunnel 24/7 on my RaspberryPI, but also want to reach it under my real public IP address with port 25565. I forwarded the port already with my router, and without OpenVPN ...
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Accessing the folders on your NAS - what solution to choose [closed]

I am thinking how to improve security, privacy when accessing ny NAS from remote and when connecting to specific sites via an unsecure network (bar, restaurant, hotel, etc). I am considering (so far) ...
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1answer
28 views

Can you force a WiFI Router not to forward requests it can't resolve to the gateway for it's own subnet?

Setup for this question is: A main router, then a second router connected to that main router via a free WAN port. This second router's goal is to establish an additional isolated network for guests. ...
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Throughput oscillating in speedtest with iPerf3

I have to test my network speed using iPerf3. [SETUP] I'm using a Virtual Machine running Ubuntu 18.04 connected to a smartphone through WiFi. I'm using HE.NET on my smartphone, which allows me to ...
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Acces virtualbox guest OS from another computer in the LAN

So I've got a host (lets called it host 1) virtualbox setup with Windows Server 2016. Ethernet 1 is set to NAT Ethernet 2 is set to "host-only network" (192.168.0.1/24) Static IP is configured in ...
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How to remove Loopback Pseudo-Interface 1 and what is it?

guys i tried almost every way i think to remove it but it doesnt work, what can i do? i read that its microsoft interenter link description herenet or something but i dont need it so i would like to ...
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IPTables: How to filter network access by application?

I see how IPTables can control network access by IP address and port, but how do you filter by application? (So, for example, YUM and Firefox can access TCP ports 80 and 443, but not the myriad other ...
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Friend is unable to ping my IP or connect to me directly in any way

I have the following setup: Docsis 3.0 modem running in bridge mode ASUS RT-N12 router Windows 10 PC connected directly to the modem, NOT connected to the ASUS router. Has Avira installed, but the ...
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Can't run privoxy as non-privileged user

Here is what I did. I'm running the following commands as user, who is sudoer, on an Ubuntu 20.04. Installation I created a specific user. I want to run privoxy as this user. He isn't sudoer. sudo ...
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Windows 7 - Wifi not working until ipconfig release/renew commands, but doesn't stay after a reboot

I had a VPN set up on my Windows 7 (Home Premium) laptop for a test, then uninstalled it when no longer needed. However, now my network thinks it is an Unidentified Public Network and I have no ...
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Optimizing IIS for serving static content over TLS [migrated]

I am trying to fine tune an IIS 10 web server for the sole purpose of serving static files. I've disabled session state, disabled managed code, added all necessary public cache control headers with ...
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Setting up QoS for my specific Router

I have a ReadyNet AC1200MS and the internet speeds are already not the best as we live further out from the city. I've switched the DNS servers to cloudflare which has made a decent difference, but i ...
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Due to pandemic has caused increase in network usage as more people start to work from home, How does ISP handle this situation? [closed]

what can be done to TCP to help capacity bottleneck? Can removing TCP and only sticking with UDP helps, if not what else can be done?
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1answer
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How can I fix the fact that my internet is not working without a VPN on my PC

When i don't have a VPN on, I get error on application that need internet(Error Code: -126 Failed to load web page (unknown error) (on steam). I can still use some of them like youtube but I cannot ...
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28 views

Route traffic from one pfSense LAN to another LAN having a pfSense device

I want to route data from one pfSense LAN to another LAN which has a pfSense device. This following image should suffice showing my network. I apologize it's a link and not an embedded image. Network ...
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Troubleshooting “no internet” on D-Link DSL-2750B

On my home network I am running a D-Link DSL-2750B gateway provided by Verizon, running firmware version 5.4.12.1.44.2.1. Every few hours (at least once or twice a day, but not at any regular ...
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21 views

Cannot access internet on wireless network bridge, but can access LAN

I have a wireless bridge/wifi repeater that I am trying to use as a bridge. I have successfully gotten it to work with home network using the a DHCP IP address, but something I cannot reach the ...
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23 views

Windows can't install network adapter on Hyper-V Guest Win10

I have a windows 10 vm created from a failing SSD using sysinternals disk2vhd. I have created a new Gen2 Hyper-V virtual machine using the vhdx. I have installed a virtual adapter connected to an ...
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12answers
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What is best way to share wifi with building next door?

After a lot of window shopping and reading I'm totally confused on how to share my WiFi with a building next door. Should my router be able to broadcast powerfully? Or should I invest in some kind of ...
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2answers
41 views

Packet reaches OS but not the process

Sorry if my issue is a bit hard to summarize in the title. That is the best I could come up with. TL;DR Version: How do I debug when packets reach OS, but not the destination process? Explanation: I ...
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1answer
17 views

Windows 10 PING returns “No resources.” - why?

I often have this problem: C:\Users\user> ping 8.8.8.8 Pinging 8.8.8.8 with 32 bytes of data: No resources. No resources. No resources. No resources. Ping statistics for 8.8.8.8: Packets: ...
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172 views

Making a VirtualBox Debian guest website visible to external machines and the internet

I run an Ubuntu host and a VirtualBox Debian guest VM running Apache. I want the guest to be as thin as possible, because I'm not going to have to interact with it much (I hope). Ultimately I want ...
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IPTables NAT Prerouting not working

I am trying to use IPTables NAT to reroute a request to myip:3240 to an ip from an OpenVPN client, 10.8.0.8:3240. The command I am using is iptables -t nat -A PREROUTING -d 192.99.154.95 -p tcp --...
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1answer
22 views

Does chaining 2 VPN's with VM need extra settings?

Hi I am wondering if chaining 2 different VPNs from 2 different VPN providers through a Virtual Machine needs any extra routing settings or any extra settings in general.. I have searched and I've ...
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0answers
27 views

OpenVPN use IPtables NAT without sending all traffic through VPN

I have a VPN connection between two servers that I want to use to allow one to connect to the other's ports and use IPtables Prerouting to make it accessible from the other server. I do not want any ...
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2answers
44 views

How to setup a router as a sub local network

The question is not phrased very well but bear with me here, I have zero experience in network talk. At home we have a D-link modem/router but my brother decided it would a good idea to turn on AP ...
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9 views

Is there a way to RDP into Network Drives like RemoteApp does with apps?

I have searched far and wide. Cant seem to find anything. I know you can Connect to Remote Desktop and then turn around and redirect access to local through that remote connection. Real Question:...
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Understanding Mac ifconfig output

I have the following ifconfig output on Mac. But I don't understand most of them. Could anybody help explain the meaning of all the output of ifconfig? Thanks. lo0: flags=8049<UP,LOOPBACK,RUNNING,...
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bridge two lan adapters openSuse

On my OpenSuSe 15.1 Leap I have two lan adapters (eth0 and eth1). With eth1 I'm connected to the router and have internet access. On eth0 I want to connect a different PC such that i gets the ip from ...
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1answer
46 views

>> Can not connect to any device in local network [Windows 10] <<

I'm currently facing some issues with Windows 10. I noticed that I don't get any connection to servers inside my local network. I first noticed this when trying to connect to a small server ...
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1answer
32 views

Should my routers login be visible on my public IP?

I portforwarded my router a while back and today I decided to remove my port forwards as I was not using them. I removed them all and went on my Public IP to check if they were removed and instead of ...
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1answer
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WSL2 can not access windows ip (retreived by `ip route | grep default | awk '{print $3}` )

Test code: winip=$(ip route | grep default | awk '{print $3}') ping $winip result: Actually I want to use a proxy service host on windows . I saw many people success with above command, why I ...
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1answer
20 views

how to setup system wide SOCKET4 proxy in Windows 10 including UWP apps?

So far I have tried Proxyfier. It only worked for user apps even though I gave admin permission [DID NOT WORK] proxy config inside Settings. [DID NOT WORK] Used proxy to Internet option. It worked in ...
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1answer
32 views

how to scp from a PC in a local network to my PC inside my local network?

CONTEXT I have 2 PCs, PC1 and PC2, both are in the same local network, A, and both use Unix PC2 does stuff, and when it finishes, it transfers data to PC1 automatically via scp since PC1 & PC2 ...
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14 views

How to use debian mirrors in China during docker build without changing Dockerfile?

I'm working in China and want to use debian mirrors in China (e.g., mirror.lzu.edu.cn (202.201.0.16)) during docker build without changing Dockerfile. This is an example Dockerfile (test/Dockerfile). ...
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51 views

Extend my network connection

I live in a three floor brick house. My router is at the entrance on the ground floor. My office where I have my computers is one floor upper. I have both 2.4 and 5ghz enabled. On the ground floor I ...
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16 views

How to configure Chrome to do DNS over SOCKS for a single domain only?

I have a very simple PAC script: function FindProxyForURL(url, host) { if (shExpMatch(url, "*.example.com/*")) { return "SOCKS localhost:8888"; } else { return "DIRECT"; } } it works ...
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55 views

How do authorities track IP address?

From what I learnt about our IP addresses, they change every time we use another network. If the IP address of the machine can change, how do authorities track all internet activities of a machine? ...

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