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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 do I bridge two wi-Fi adapters on Linux

I have two problems in my project, I am setting up a Linux system using Ubuntu version 16.4. I intend to use this as a repeater / extender wireless. I am trying to create a bridge from wi-fi to wi-fi ...
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7 views

Tplink AC1750 as main router and AC3200 as access point

I have two tp-links at home one Archer c7 1750 and one Archer C3200. Due some reasons I cannot have the Archer C3200 directly connected to my ISP modem. So I configured the C7 as my main router, ...
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0answers
5 views

dnsmasq is providing the same IP to two different clients

Consider the following dnsmasq config (used for a VPN server which is on a tap interface tap_vpn0): dhcp-ignore-names dhcp-generate-names dhcp-sequential-ip interface=tap_vpn0 dhcp-range=192.168.120....
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7 views

Can't connect to shared folders on Win 7 computer from Win 10 on local network

Things I've tried: On Win 7 computer - it's a home network (not public), advanced sharing settings all set as permissively as possible, shared folders have the following groups set to "FULL CONTROL" ...
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7 views

Two router's, same network, different SSID's and password's [on hold]

I have not purchased the routers yet but have been looking at ones that support VPN. Router #1 would support wireless cameras, thermostat, smart TV's & needs access to internet so notifications ...
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7 views

Completely Remove Network Adapter and settings on Server Core

I have a server that had some problems with it's network adapters. It suddenly was very slow to remote into it or access it's shares. It then progressed to not utilizing it's IP Address and showed 169....
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1answer
11 views

Which VPN protocol is my Windows OS using? [on hold]

The scenario is, I've been given FQDN, username and password for a VPN connection to my place of work. This suffices for Windows 10 as it tries all protocols until it connects, from most secure to ...
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1answer
10 views

Relative transmission delay to propagation delay

I was given the following problem: Assume propagation delay is less than transmission delay on a link connecting host A to B. If host A starts transmission at t=0, at time equal to transmission ...
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17 views

Understanding PSU, PDU, and UPS electrical connection to server?

So I am trying to understand how to connect server with electricity, keeping redundancy in mind. I have the following components, 2 PDU, 2 UPS, and a server with 2 PSU. My understanding is as ...
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0answers
21 views

How to properly setup my home WiFi?

I am trying to my weak WiFi signal in my house. I have Internet with Frontier. Their modem is on the side of my house and a CAT5 cable goes from the modem to a 28" LeGrand On-Q Enclosure with Hinged ...
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6 views

Port Forwarding does not work, when I test my ports they are open, but no connection through IP [on hold]

I am attempting to port forward with a port for Minecraft; 25565. Be that as it may, when I attempt to associate when I put in my switches IP, it will endeavor to ping it for around 15 seconds and ...
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11 views

Modem - lan wired - router

My Router cant connect to modem.. After a years (without issue) using thosse hardware, sudenly my router cant connect to modem..(the light on router turns red, the light on modem stop blinking) I can ...
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0answers
5 views

using airodump on kali linux gives me no #data and doesn't give me a handshake key either

After a week of troubleshooting, trying different WiFi cards I can't seem to get any data or handshake from using airodump-ng. Here is the code I use. airmon-ng start wlan0 airodump-ng --bssid (...
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0answers
10 views

Allow LAN access between devices on two different LANs

My current setup: 4G WiFi modem/router with Ethernet ports - Media devices (Chromecast, phones etc) ADSL modem into WiFi/Ethernet router - Latency sensitive devices (PC/game consoles etc) Reason ...
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1answer
17 views

is there a way to port forward two routers?

i have two routers Router 1 connected to the network and Router 2 connects Ethernet to Router 1 and also Ethernet to me Router 1 is DHCP and router 2 is also DHCP (Linksys) so i watched a video on ...
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8 views

Windows-Creating Virtual Interface Over a Single Physical Interface

===== Little bit Background (Why I want to do this) ===== My Local Cable Operator (LCO) provides last mile infrastructure for 2 different ISPs. Let's say, ISP-1 and ISP-2. Customers can pay for any ...
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1answer
14 views

Bridged VirtualBox VM cannot ping LAN, duplicate IP for guest and host

Host: Windows 10 64-bit Guest: Ubuntu 16.04 32-bit Networking: Wireless. Home network. Host can ping Guest, and Guest can ping Host. Guest can also ping router. However, when I ping from my Guest ...
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0answers
9 views

Steel Series Engine Not Working

2019-01-19T06:34:58.403Z: Encountered error during sockets.retryConnection (ws://default@127.0.0.1:50813/sock) 2019-01-19T06:36:51.929Z: Encountered error during sockets.retryConnection (ws://...
2
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1answer
16 views

Share PC internet with Android and then through WiFi-HotSpot

The setup: PC with internet connection. (Windows and Linux OS) Android phone without internet. Another device without internet, that I want to connect to internet through WiFi from first Android ...
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0answers
18 views

Socket Connection Refused while VPN connected

My problem is that after I connect my Computer to a VPN Network with Port Forwarding Service, I cannot connect from this Connection to the external VPN IP Address from itself. Client A + VPN + ...
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0answers
22 views

Nginx reverse proxy to ip address with a same domain name

Let's say, I have DEV, TEST, QA and PRODUCTION servers for 'custom.domain.com'. In public, DNS servers probably have CNAME(or A Record) to PRODUCTION servers. In my local box, I want to run E2E ...
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0answers
36 views

No connection with new Ethernet wiring when plugging in an Nvidia shield [on hold]

I ran my own ethernet cable yesterday to my living room, with the sole purpose being it would connect straight to my Nvidia shield. I ran line last night, no problems. This morning, no problems. ...
2
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0answers
30 views

Windows 10 connection to wifi keeps failing

I just installed a fresh copy of Windows 10. I wish I listened to people who advised against it. The largest issue with the OS is that after about a minute, the connection to WiFi stops working. The ...
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0answers
23 views

NFS Server IPv6 best practices?

I have a NFS server that only has exports for 10.0.0.0/16. I'm enabling IPv6 on all my network (homelab network), and want to switch all services to prefer ipv6 if possible. With that being said, ...
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0answers
10 views

How to setup TOR as a network interface for VMs on Mac OS Mojave?

I am using VirtualBox and Whonix to create a secure way of letting a VM communicate only through TOR. However, I would like to setup TOR on the host Mac OS as a network interface so it can be selected ...
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1answer
22 views

Is it possible to make direct ethernet connection between machines with iOS and Fedora? How?

I am trying to connect Macbook and notebook with Fedora using ethernet cable in order to make HTTP request, so far with no success. I am also unable to find any sufficient tutorial (for beginners at ...
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1answer
24 views

A single MAC Address on my network shows with 2 IPs

I have a network monitoring app on my phone that shows each IP, MAC, and type of device on my network. While inspecting, I noticed that my laptop's MAC Address is repeated in two IPs. I do not run any ...
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0answers
25 views

Cannot access port forwarding outside of network

I have a home security system made from a Raspberry Pi and I wanted to be able to access it when I am not at home. So I set up port forwarding at the IP address 192.168.1.XX and I forwarded port 80. ...
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0answers
37 views

Network not working for some domains only on one device

A few days ago my wireless stopped working for most domains. Some domains that still work are google, facebook, youtube. Notworking examples: stripe.com, stackoverflow.com, slack.com The problem ...
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1answer
19 views

OpenVPN over ssh tunnel

I'm trying to connect to my home network using OpenVPN. My router is behind the ISP's router so I'm having a double NAT problem (IP address on WAN port of my router is 10.x.x.x). ISP cannot provide me ...
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0answers
13 views

How do I reset forgotten Tinywall Password?

I setup Tinywall Firewall on a few Windows computers at work. I cant get the password I wrote down to work. Tried looking around for a solution but I cant find any leads so far. How can I reset this ...
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1answer
22 views

One way access to devices on guest network

I'm trying to configure a guest wireless network on the router asus RT-AC66U_B1. The network's purpose is to host iot devices and and a server running home automation software. I'd like to be able ...
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1answer
18 views

can we check client certificate of same root ca against multiple crl servers (that each crl generated by same rootca )?

Certificates having 2 crl distribution point both signed by same root ca. What should be crl fetch behaviour? Crl fetched should be concated or overwritten? can we check client certificate of same ...
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0answers
17 views

Sending Windows Messages from remote Unix terminal

I want to use Windows Messages to turn off my monitors (using WM_SYSCOMMAND, SC_MONITORPOWER). This is a popular topic among AHK threads, achieved by using SendMessage, 0x112, 0xF170, 2,, Program ...
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0answers
16 views

Sending packets within a local network [on hold]

I want to send packets to my friends IP i.e within my local network, How can this be achieved? I know his IP address. [not the icmp packet, only the TCP packet]
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0answers
21 views

'Amazon workspaces' windows 10 client authenticates but times-out immediately on connecting

I am trying to connect to a amazon work-space windows instance which my client has setup for me to work on. I get the following screen on connecting to it : The work-space opens for a second and then ...
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1answer
7 views

QEMU with KVM: guest to use a OpenVPN connection that doesn't exist on host

Most posts that touch on this subject wants to use the host's VPN. In my case, I want the guest VM to have its own OpenVPN connection that exists only on the guest VM. The host will have a normal, non-...
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0answers
7 views

electron-webrtc iceServers specify Turn server

In my main.js I have a websocket handle new connections which opens a new BrowserWindow loading my rendering.js which uses desktopCapturer to handle the stream and build up the webrtc connection. I ...
0
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1answer
24 views

Virtualbox NAT Network port forwarding refuses connection

I created a NAT Network in VirtualBox and from the Ubuntu host I am trying to SSH into the Ubuntu server VM, but I get connection refused. The Ubuntu server VM is connected to the NAT Network using ...
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0answers
12 views

Windows 7 small office network computer drops access to shared folders on other computer

If someone can refer me to a good tutorial on Windows 7 small office networking/sharing/workgroups/homegroups that would be helpful for me. In our office we have just 3 user computers interconnected (...
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1answer
17 views

What are the risks to turn off firewalld on Linux Mint?

I have my macbook pro monopolized by Linux Mint 19. How ever there is a issue keeps bothering me, the firewalld can not be stopped everytime I try to shutdown or restart the OS. To solve this, I ...
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1answer
33 views

What causes half downstream speed on gigabit interface?

I have 2 computers, one is a Win 10 desktop, the other is a Win 7 Dell laptop. Both have an Intel gigabit network interface. The internet is symmetric gigabit. On dekstop, I measure 500/900-ish speeds,...
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1answer
73 views

Fake MAC Address for old software license

Win 10 x64. I have an old software licence that is locked to a MAC address. If I create a VM, and use the Host to define the MAC address on the vNIC, then the software activates normally. If I use ...
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0answers
19 views

Is it illegal to use a VPN in China? [on hold]

I am a software engineer working in the transportation field. My company is about to send me to China for a week to fix some issues at our customer's site on location. While doing some preparations ...
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1answer
31 views

Can't log into router after firmware update

I have a Motorola WiFi Router setup at home MG7700. After the recent firmware update, I am facing some issues with logging into my WiFi router. Whenever I try to log in to the cPanel of my router, ...
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0answers
25 views

ZTE F660 Router not Forwarding Ports AT ALL

Given I can't access admin mode with said router, I can only log in with an "installer" user that gives me access to the application submenu as well as port forwarding. I've set my local IP address ...
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0answers
14 views

Connecting secondary router rises ping of whole network

I have a simple internet setup with 150 Mb/s and 10-20 ping when working correctly, but when connecting a specific secondary router, the ping rises to 100-120 ms. Download/upload speeds aren't badly ...
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0answers
28 views

VBA check existing file timestamp on network

I don't know how or where to start & Excel VBA MsgBox doesn't help me at all. My employer has a shared excel file that multiple people access & use on a network & saving has become an ...
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2answers
17 views

LAN on 2 locations with weak link - how to set up fallback DHCP+RADIUS if there's a disconnect between the locations?

The site concerned is small and it's long, thin and winding, without consent to drill holes. There's an area affected by this, which has a couple of file servers, and 2 sporadically used PCs. To be ...
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0answers
6 views

Connect two VMs on two different physical machines into their own network

Right now I have a setup on the left: two physical machines connected via router, each with its own VirtualBox VM inside. They have bridged adapters, so they appear in the network, everyone sees ...