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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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Network adapter is unable to find Wi-Fi networks in monitor mode

My wireless network adapter is not working properly in monitor mode. In managed mode it works perfectly: finds networks, connects to home network. But if I'm using monitor mode and try to find any ...
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4 views

Understanding the CAN Bus [migrated]

I am looking to write an application that works with the J1939 protocol which is part of CAN (Controller Area Network) for vehicle engines. I am reading on this but I am getting some conflicting ...
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Notebook picking up IP 169.254.x.x, DHCP does not work [duplicate]

I am having problems with the wired connection on my notebook. He is picking up the ip: 169.254.28.213. DHCP is not working and ** static IP is not **. I set the static and it still does not work. I ...
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13 views

Wifi with an old usb wifi key. Network icon ok, but no connection (either ethernet)

I'm trying to connect my computer with a old wifi usb key (with ubuntu 16.04). I've the connection, the wifi icon is ok, but when I'm using a web browser : no connection. I've post on a french ubuntu ...
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0answers
14 views

Powering a PCB chipset via POE switch [closed]

Disclaimer: I have very little clue of networking switches or POE. I have a POE switch, a PCB taken out of an Android TV Box, and a WiFi router. I want to provide both power and data to the chip ...
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6 views

lan printer not fround from wifi (kyocera from android) [migrated]

I have a new budget Kyocera network printer (FS-1061 DN). It has no wifi, but a standard LAN cable is plugged in. I installed the driver on my windows 7 machine, also connected via LAN, and printing ...
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14 views

How to connect both Internet Cable & LAN Cable in my Desktop at a time? [closed]

I have a LAN connection between my old PC and new PC to share files from old PC. But as I have only one Cable Port, I can use only one connection at a time. When i need to use Internet, i have to ...
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18 views

Android cannot connect to wifi because of CA certificate [closed]

I am trying to connect my OnePlus6 to my school's wifi network and it does not want to connect because when i select "do not validate" the CA certificate, it says that "no certificate specified. Your ...
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21 views

LAN-to-WAN puzzle

I have as primary router an ASUS RT-AC51U (A) (where only 3-4 clients are connected via wifi with address reservation and / or static IP on the machine), as secondary one ASUS RT-AC1200G + (B) (here ...
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1answer
36 views

Configuring BT Home Hub 5 (DSL connection)

A friend of mine gave me a BT Home Hub 5 with Open WRT/LEDE (latest) installed on it. I am having trouble getting it configured so it connects to the internet. I am using a DSL broadband connection. ...
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28 views

Can't assign ip address to veth directly after creating veth pair

If I run the following, then the ip address doesn't actually get added: ip link add veth0 type veth peer name veth1; ip address add 10.0.1.2/24 dev veth1 However if I sleep in between the commands, ...
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1answer
431 views

User Folder Shows Under Network Locations in This PC on Windows 10

So I just noticed that when that my user folder (c:/Users/) shows up under network locations in This PC / My Computer. I never shared this folder, for some reason I found sharing was enabled for for ...
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1answer
11 views

Getting random second long request time outs when pinging my router

I'm connected to my virgin fibre optic router via tp-link powerline adapter with my ethernet cables. When i ping anywhere e.g google.co.uk or riot.de using the command prompt i get regular normal ping ...
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1answer
37 views

Program can't connect to the IP. Connection failed

I'm using a program that needs to connect to the ip 200.229.50.3:6900 to work. But it isn't connecting and it shows this message: "A connection attempt failed because the connected party did not ...
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0answers
26 views

Configuring Port Forwarding

I have a web server setup on a device which has the IP address 192.168.2.12 I can connect to this IP via the same network, however, when I try to connect to my public IP and port forward to this IP,...
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15 views

network issue when pinging hosts of the same lan

I have two hosts on the same network: Kali which is on VirtualBox as guest; eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 ether 08:00:27:48:45:25 txqueuelen 1000 (Ethernet) ...
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8 views

How to connect to to remote git repository behind a corporate authentication service?

I'm trying to clone a git repository from my work's self-hosted gitlab installation outside of the corporate network. I am able to access gitlab through my web browser but I have to go through the ...
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30 views

Iperf giving wrong results

I ran TCP throughput from client(iperf -c IP -i1 -p19223) to server(iperf -s -i1 -p19223). The stats showed me bandwidth of ~5Gbps. However, when I ran iptraf on the server, I came to know that ...
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1answer
33 views

How to route a LAN?

I have a private network with a PC and 3 raspberries. PC--RPi1--RPi2--RPi3 PC: 192.168.0.101/24 (ssh to RPi1) RPi1: 192.168.0.102/24 (eth0 linked to PC) && 192.168.0.103/24 (eth1 linked to ...
0
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1answer
27 views

How to bind a Docker bridge to a specific NIC?

Not so new to Docker, but not nearly an expert either. I am trying to build a Docker environment where a custom bridge is connected to a specific NIC. The use case is to have a dedicated isolated ...
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0answers
15 views

Error unable to resolve server address the requested name is valid but no data of the requested type was found

Currently I am having an issue accessing servers using VMware Horizon Client. I have check all the DNS settings, for other connections such as accessing the servers IP using Putty and SQL Developer ...
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0answers
18 views

WAMPserver DNS is Not Working for Virtual Hosts

I set up a virtual host for my laravel project, and while I can access the site via IP I cannot access it by domain name (it redirects me to WAMPserver's homepage). For reference I'll provide both ...
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0answers
16 views

Cannot connect to Internet after connect to VPN (Ubuntu 16.04)

I'm using Ubuntu 16.04 and an VPN connection (openVPN) created by myself with User Certificate file, CA Certificate file, Private Key file (VPN with those files works fine on my friend pc - Mac OS, ...
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1answer
20 views

Azure AKS access only from internal lan

I have a question and couldn't really find an answer or a google query to start with looking.. I have Azure managed K8s (Azure AKS) and it is accessible via internet https://somek8scluster....
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9 views

Client w/ SSD; server w/ HDD; SMB shares and offline files performance hit: Group Policy fix?

I have a SSD (Samsung 960 EVO; write speed 1500MB/s) in my client system. One of my folders ("Downloads") is on located HDD-based NAS (write speed 10MB/s): downloading and extracting files in this ...
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18 views

IIS - Cannot Reach Site from Device on Network

Setup: I have a site on my Microsoft 2012 R2 server that is running IIS Issue: I can access the site from the servers browser by typing in "site.com" and the ip, 192.168.10.5. I cannot access the ...
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0answers
23 views

Windows7 cmdline option for wifi sharing over ethernet and get client list [closed]

I have a Rasberry Pi connected to my Windows 7 LAN port, which gets internet via "Wifi sharing" enabled in my laptop. When ever SSH/VNC access is required for Rasberry Pi, I check the IP assigned to ...
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1answer
16 views

Program connecting to SQL over port 445

I have a program called VHI(Visual Health Information - Network Version) that is a server/client model. I have installed the server portion and has a database. SQL Server Name\instance = "EDSERV03\...
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1answer
15 views

OpenVPN: Mask remote network IP range

I have a VPN setup using OpenVPN and an OpenWrt/LEDE router. Everything works fine, except when I'm at home (it's my main office) where I have the same setup network wise. Here's the setup shared by ...
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0answers
21 views

Is there a windows SOCKS proxy server program that can connect to a HTTP parent proxy? [closed]

Hi i need a windows program that emulates a socks5 proxy server and can connect to a parent HTTP squid proxy ... thanks in advance
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23 views

Give docker container access to usb wireless adapter

I have a wireless usb adapter and I would like my docker container to use just this for the internet (not the computers own wireless adapter). My knowledge of networking is basic so I have tried to ...
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0answers
16 views

How can I save Protected EAP credentials to the registry for a WiFi profile?

This question here mentions how one can retrieve the Protected EAP credentials from the registry for a wlan profile. Is it possible for me to save the PEAP credentials to this reg key in a similar ...
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0answers
36 views

Remotely manage Hyper-V VMs - Windows 10

I have a desktop Windows 10 machine not on any domain which I use as a Hyper-V host to many VMs. This has a wired connection to my router. I also have a laptop which I use wirelessly only (it connects ...
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0answers
18 views

Seamless EAP roaming with 802.11r only on server side

I have a moving device on a network of several hundreds meters, with multiple WiFi routers covering the area, connected to the same controller. The security and authentication protocol is WPA2-EAP ...
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1answer
44 views

How to determine usable IP address without using cmd?

I know I can use cmd to find list of IP address in the subnet but my supervisor asked me to find it without using cmd. Is there any other way other than using cmd?
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1answer
18 views

Openvpn configure ignore mask setting on server

I am setting up a Windows Openvpn server,I can connect but I can never ping the server. Here is my server.conf: port 1194 proto tcp dev tun ca ca.crt cert server.crt key server.key dh dh2048.pem ...
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30 views

Is there an alternative to `ssh -R` that's self-contained — establishing an incoming socket via an outgoing connection?

Is there a self-contained alternative to ssh -R [bind_address:]port:host:hostport functionality? Basically, I have a machine that doesn't have a public IP address. I need to be able to SSH into said ...
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2answers
52 views

proxy all network communication in bash session

Is it possible to specify a proxy for all network communication in a bash session? I suspect it is possible to do it using ssh but I'd rather not use it if there's a better way.
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2answers
65 views

How to solve “your connection was interrupted err_network_changed” error?

I have problem connecting to my home network wirelessly, and so far I have tried almost everything. When connected, i get yellow sign on wi-fi icon, and err_network_changed message in browser. I ...
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1answer
30 views

Desktop applications cannot connect to the internet

I've been using Shadowsocks 4.1.2 for a while on my Windows 7. It was set to run on startup. Recently I've turned it off and for some reason I can't seem to use any of my desktop applications to ...
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1answer
29 views

SSH doesn't prompt for host authenticity, when connecting through jump-host first time

There is a jump host, called via ProxyCommand, to access some servers. In the .ssh/config file there is a Host definition for each server and the command for the jumphost (with %r and %h coming from ...
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0answers
9 views

Android phone fails to communicate using IPv6 [migrated]

I observe the following problem with my Android phone (Sony Xperia XZ, Andoid Oreo 8.0.0) Though the phone seems to have a correct set of IPV6 addresses it fails to communicate when I use IPV6. the ...
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0answers
46 views

One HTTP request, two responses?

I'm experimenting with my Samsung wireless speaker. I've been using Wireshark to examine and reverse engineer its API. One of the API calls I make causes strange behaviour where it seems one HTTP ...
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0answers
30 views

How to block the culprit of the unknown port?

When I did a port scan nmap -p- localhost of my local system I found some unknown ports opened. I was using a closed source application when this happened and I known its this causing port opening. ...
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0answers
27 views

Router keeps rebooting every 3-5 minutes after plugging in Samsung M2070 printer through ethernet port

Router Model: TP-LINK, TD-W9970 Printer: Samsung M2070. I have already tested out why the router keeps rebooting and I found out that connecting the printer via the Ethernet cable is causing this ...
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1answer
47 views

I cannot get access to my windows 7 via RDP. No obvious cause, no diagnostics. How to proceed?

I remember that When I set up my Windows 7 Professional configuration, I blocked RDP access (if I remember correctly I said "no" to a question coming probably from firewall) when inbound RDP session ...
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4answers
53 views

Home Network Routing Puzzle: 3 Routers, Two Internet Routes

I have a semi-complex home network with a DSL Modem/Router, a Netgear Router, and a TPLink Router. The TPLink Router has a permanent L2TP VPN connected to ExpressVPN. The devices behind this router ...
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1answer
79 views

OpenVPN as IPv4 to IPv6 gateway: how to create your own 4to6 tunnel with a “personal” IPv6

I have a VPS in Amsterdam that has a /64 network of IPv6 addresses assigned to it, with unmetered internet access enabled, plus an IPv4 also unmetered.. I'm now wandering if it is possible to not only ...
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0answers
4 views

How can I set up multiple networks inside an Asus AIMesh network?

I'm new to subnetting/VLANs and am looking to set up a second network inside my existing wifi mesh to isolate lees-then-secure devices like cheap Chinese IP cameras and a WiFi Instant Pot from my ...
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1answer
11 views

How can I make port rerouting work locally?

Behold this command: iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080 I use that to reroute any incoming traffic from 80 to 8080, because the Apache 2 server on that ...