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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Powerline Network Adapter crashes Orbi Hub

I use an Orbi extender hub as the location where a netgear power line carrier device plugs into the orbi using a Cat5 wire 10Base T connector. When the Orbi hub and PLC device are both plugged in, all ...
artthiel's user avatar
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10 views

Router SSID disappearing from list of scanned networks on all clients periodically

I have a H68K Linkstar router with an Openwrt snapshot installed. My clients attempt to manually connect when they so choose, but the router SSID does not appear in the list of available networks. ...
Jack1221's user avatar
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13 views

Multiple router network randomly freezes

I have a network with three ASUS routers. The first router A was set up as the primary connected to the ISP. This router was set up in Wireless router mode. The next two ASUS routers (B and C) were ...
Steve049's user avatar
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21 views

Connecting to WireGuard no Internet Access

I'm using an old laptop as a Home server and I wanted to set up VPN (Wireguard & DuckDNS using PiVPN) following this guide: https://chriskalos.notion.site/The-0-Home-Server-Written-Guide-...
MrXQ's user avatar
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WSL2 in mirrored mode not reaching VPN resources provided with Check Point Endpoint Security client

I'm using Check Point Endpoint Security client to connect to a VPN and have access to its resources, but it's not possible to reach resources (with ping) from WSL2 with "mirrored" networking ...
Takeshi Gitano's user avatar
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26 views

TCP Retransmissions

I apologize in advance if this is not detailed enough or too much but hope you guys can help me out. I got a win server22 that has an application running in IIS. This application also speaks to ...
Vagah's user avatar
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34 views

Ubuntu 22.04 receives an IPv6 address under the same Wi-Fi router but is unable to access IPv6 websites, while Windows 10 behaves correctly

In my office network, I have a TP-LINK wifi router. All the ipv4 network works quite well. In the setting of the ipv6 in the wifi router, it is set as the "bridged" or "pass through&...
ollydbg23's user avatar
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How to solve getting duplicate replies when pimging google facebook amd google dns server 8.8.8.8? [closed]

I'am getting duplicate replies from google.com facebook.com google's private DNS server 8.8.8.8 or even on every website how to solve that problem.Im new to this problem so I have no idea where to ...
Tara Nath Niraula's user avatar
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27 views

What could be a possible reason for a server within a local network not being accessible as external domain?

I have a domain name "example.com" that points to my public IP (80.92.102.112). The router connected to the internet (192.168.0.1) forwards specific ports to a router within the network ...
Reverent Lapwing's user avatar
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1 answer
37 views

What causes duplicate replies from any website or ip while pinging? [closed]

I have tried to google DNS 8.8.8.8, www.google.com, www.facebook.com all returned result telling (dup!) and some are normal. happening on all router connected to this olt I dont know what and why is ...
Coder-boy's user avatar
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How to make one of the PCs in a LAN to act as a internet gateway to the other PCs, while it has a control over the data traffic?

I have a LAN with about 20 PCs. I want to give a full internet access to one of them (let's call it primary and the other PCs clients). Please provide a solution so the primary can have the following ...
Mohammad Khodaei's user avatar
1 vote
1 answer
11 views

Wifi not working on laptop

I open my newish laptop- and it just won’t connect to any internet connection. What can I try? I have already tried doing research, restarting the drivers, snd testing it, but it just doesn’t connect ...
Super22's user avatar
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1 answer
22 views

How to stop ufw-firewall preventing me to ssh into another server?

I have a weird issue on Ubuntu 22.4.4 LTS. Using the ufw firewall, I allowed SSH/Port 22, HTTP and HTTPS. I can successfully login via SSH into my server. However, when I am logged in on the server, ...
itinance's user avatar
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1 answer
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How to view of the physical disk of a network share is an HDD or SSD?

I use PowerShell "Get-PhysicalDisk | Format-Table -AutoSize" on cmd to check if the physical disk of my local computer is a SSD or HDD. Is this possible to check this for mounted network ...
unixcandles's user avatar
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How to forward http requests made to local ip address to a cloud url

I have made a Samsung SmartThings Edge driver that runs on the SmartThings Hub. However, the problem is that the hub can only make LAN requests. I want to make a request to the internet, which I can ...
Parth Parekh's user avatar
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19 views

How to determine destination for UDP packets, at proxy server?

I need to route TCP and UDP packets via a proxy server, at layer 4 (i.e. without TLS termination, for TCP packets). The destination address for all packets is not fixed. In other words, the routing ...
geekyrits's user avatar
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What is the correct format to ping ip address range with some extra single ip addresses using nmap

I'm struggling with the usage of nmap. I would like to ping IP addresses in the range, say, 192.168.178.110-192.168.178.130 but also the single IP 192.168.178.1. Therefore I execute: nmap -sn 192.168....
Wör Du Schnaffzig's user avatar
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33 views

How to put a router with DHCP between my computers and the modem while keeping the 192.168.0.x addresses?

My internet provider has occasional issues and the modem that is a DHCP server for my computers leaves me without a local network until their issue is resolved. So I figured if I put a router (with a ...
B Viana's user avatar
1 vote
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36 views

Can't connect via SSH to OpenWrt after changing /etc/config/network

Setup Mikrotik RouterBoard 750gr3 OS: OpenWrt 23.05.03 MacBook Microtik: Port 1 IP: 10.13.1.201 Problem Before a configuration change to /etc/config/network, SSH was possible, but after rebooting,...
zahntheo's user avatar
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Firewalling Docker Compose

I'm trying to operate Docker Compose containers behind a firewall on Debian 12. I cannot get access to the host machine (set up to be host.docker.local in the containers) to work within the containers ...
Timothy R. Butler's user avatar
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29 views

Google meet is very laggy but everything else works fine, how do I troubleshoot?

I have this interesting issue where only Google Meet calls are very laggy via all laptops (Mac) in my house. Zoom, streaming on Apple TV, and other video tools work fine. Here are the details: Using ...
zengr's user avatar
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traefik+metallb external ip stuck at pending

I am running a k3s cluster locally on ubuntu and have made a test deployment of traefik+metallb. Here is the link to the tutorial I am following: https://technotim.live/posts/kube-traefik-cert-manager-...
itsamineral's user avatar
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PowerShell remoting only working on certain networks?

So I am trying to do a project at my work where I automate some process and for that I need to PowerShell remote onto computers using their computer name/host-name. To do this I am using "enter-...
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1 answer
32 views

Is there any evolution going on in L3 layer

In application layer, there're HTTP 2 & 3. In L4 it's QUIC. In lower layers there're various wired & wireless standards. What about L3? Is there any speed improvement in transition from IPv4 ...
Minh Nghĩa's user avatar
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19 views

Access Point ip address is different in Web UI than what router shows

I have an Edgerouter X as router and a Fritzbox as access point. The ER-X shows a different ip address for the fritzbox than what the fritzbox itself show in its own network settings. Also the ...
hadamard's user avatar
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1 answer
50 views

Devices on a secondary router are not reachable from a primary router

I have two home routers. Router A is a TP-Link AX1500 and Router B is a TP-Link AX1800. Router A is downstairs with its WAN interface connected to my modem. Router B's WAN interface is connected to ...
777bpc's user avatar
  • 3
0 votes
1 answer
28 views

How can I configure WSL2 networking settings to access an Azure Private Endpoint?

I have an Azure key vault resource sat on a Private Endpoint that I cannot access when running my project on WSL2 (it works fine on Windows). I've tried updating the config files (https://learn....
fin's user avatar
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1 answer
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WiFi not working after adding a loopback address to WiFi interface in Windows

I think I did something that I was not supposed to do. While trying to learn something, I added a new loopback address to my WiFi interface in Windows without knowing what I'm doing. I typed the ...
Timotei Oros's user avatar
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33 views

WSL can connect to VM, but not the other way around

I'm on Windows 10 and I have a service running on WSL2 Ubuntu and another service running on a Ubuntu Server VMWare VM, and although WSL can access the VM, the service on the VM seemingly can't ...
Skepller's user avatar
1 vote
0 answers
50 views

How to connect PC to Fa0/6 and ping router?

The following is the question I have been given. I have set everything up on the routers and switches as has been asked. What I am struggling with is connecting the PC; the last item in the question: ...
yool's user avatar
  • 11
2 votes
1 answer
198 views

How do I scan my LAN for .local addresses?

I have found out that at least 1 device on my network is advertising itself using a .local address. (my truenas server). Any PC or laptop on my LAN can just use servername.local to get to the truenas ...
taltamir's user avatar
  • 440
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0 answers
32 views

simple route to 192.168.1.1 always ends up in loopback interface instead of eth0

I'm sshing to a raspberry pi over wlan0 and trying to connect to a modem at the ethernet interface. Take a look at my table and my ip route get: lz@raspberrypi:~ $ route Kernel IP routing table ...
Gatonito's user avatar
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0 answers
14 views

I can ssh and access the webserver but ping fails

My knowledge about networking is basic. I have several computers in a intranet. Let's call one of them the DB_Host. I want to ping this computer. So I do ping DB_Host.intranet.com -c 1 When I do that ...
KansaiRobot's user avatar
2 votes
1 answer
39 views

How can I set up an access point on Linux and still be connected to the internet?

I need to use a laptop with Ubuntu 22.04 LTS as an access point, to connect an Ethernet-only device to the Internet, and to be able to ssh into it from the network. The laptop does not have WiFi ...
Alessandro Bertulli's user avatar
-1 votes
0 answers
14 views

dhcpd.conf prevent ip addresses from being rotated (not static)

in windows dhcp server if i set hte lease time to unlimited or any duration the ip address per mac is always the same .. (dhcp static) i guess How do i do that in linux? its really anonying if ...
user3265051's user avatar
0 votes
1 answer
22 views

Can you forward custom domain traffic to an ip address that is behind a NAT?

I do not know much about this topic so any help would be appreciated. I live in university residences and the internet connection that is provided to us is hosted by Wifinity networks. I run a media ...
SmokySauce's user avatar
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0 answers
24 views

PTK and GTK where are they stored?

So I know for unicast traffic PTK is used to encrypt and obtain ciphertext; and for multicast traffic GTK is used to encrypt and obtain ciphertext. I know PTK is produced at a 4 way handshake, and ...
C.Unbay's user avatar
  • 95
1 vote
2 answers
61 views

Is it possible to have a single IP for a VM in different networks?

I am learning about DNS administration in Linux. And I do it in my office and home. In office my IP range is 10.x.x.x/21 whereas in my home, my IP range is 192.x.x.x/24. Since I am learning DNS by ...
barnyard9's user avatar
  • 133
-1 votes
0 answers
23 views

Linux: How to back up to previous version of Ubuntu

I upgraded to Ubuntu 22.04.2 and lost my network connection. Also sudo quit working so can't easily fix things. So I reinstalled 20.04.6 -- same problems. So I reinstalled 20.04.2, slightly different ...
StanBarr's user avatar
0 votes
2 answers
100 views

What will be the local IP and remote IP while doing port forwarding in airtel Router?

I bought an unmanaged cloud server from the hosting company. My cloud Server IP is 50.21.182.217. It is hosted with Plesk so PORT is 8443. My local IP is 192.168.1.6 and my Router IP is 122.161.240.22....
Haccker AI's user avatar
2 votes
1 answer
31 views

Full Network Enumeration without an assigned ip address

I've faced a situation where I connected to a network with an ethernet cable and the DHCP server was disabled, so I didn't get an assigned ip. I was wondering if I can run a scan with kali linux tools ...
IsmailBarrous's user avatar
0 votes
1 answer
47 views

Trying to create a subnet to connect to a network device and I cannot see the IP address in my "route print" list

I'm trying to set up a subnet to connect to a Ubiquiti networking device I need to configure. I can't connect to it. This is on Windows 10. 1 - I've changed my ethernet TCP/IPv4 properties to: IP: 192....
Subjective Effect's user avatar
1 vote
0 answers
24 views

ufw forward rule isn't working: connection refused

I'm running a Raspberry Pi and I'm trying to get Pi-hole working. I'm running the container from Podman from a newly created pi-hole user (non root). I published the ports as follows: - 127.0.0.1:5053:...
Thomas Kleinendorst's user avatar
0 votes
0 answers
21 views

Flushing output on interrupt on the Linux cmdline

On a local terminal, the stty -noflsh option allows to discard buffered output on Ctrl-C and thus prevents from long scrolling delays if one did accidentally output large amounts of text to the ...
Juergen's user avatar
  • 576
0 votes
0 answers
40 views

Linux 6.5 netfilter NAT reuses TCP ports in TIME_WAIT status?

In my understanding, Linux (netfilter)'s NAT doesn't reuse TCP ports in TIME_WAIT status, but seemingly Linux >= 6.5 reuses TCP ports in TIME_WAIT, even if the destination is the same. For example, ...
turgenev's user avatar
-3 votes
0 answers
38 views

Disabling Large Send Offload v2 fixes slow upload speeds [closed]

I have a 1Gig Download and Upload connection with AT&T. I was getting 940-ish Mbps down but only 40-50 Mbps Up on my ethernet connected Windows 11 Machine with a 2.5Gig network card. So I found ...
Ahmed Fayed's user avatar
0 votes
1 answer
31 views

Temporary failure in name resolution - pfSense + Ubuntu

I have 2 VMs on Hyper-V: pfSense Ubuntu Server 22.04 The pfSense VM is connected to 2 virtual switches - External WAN and Private LAN, which acts as the internal switch for the rest of the VMs. The ...
Stackerito's user avatar
-3 votes
2 answers
81 views

Can my employer track files if I copy files saved in my computer to my local network storage?

Can my employer track files if I copy files saved in my computer to my local network storage. I'm working at home so I'm using my own local WiFi. I also don't think my computer has VPN on my computer.
hankogen 1's user avatar
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0 answers
16 views

I cant set up two different network categories for two independent network interfaces on windows 11

I have to set two different network categories public and private to two different lan adapters. There are multiple firewall rules that open ports that only shall apply to the LAN. Whenever I execute ...
raptorlane's user avatar
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0 answers
10 views

How can I block tiktok mobile app huawei HG8245H5 jpone router. Help me [migrated]

I tried to block it by url but it only blocks it on computer but it doesn't block it on mobile app.
Fassil Atnafu's user avatar

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