Questions tagged [lan]

LAN, short for Local Area Network, is a network that connects multiple devices in a limited geographical area, such as a room, an apartment or a building. Currently, most LANs are based on Wi-Fi, linked together with means of a central wireless router or Ethernet transmission, where computers are linked via cable.

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Why does incoming SSH on macOS Monterey stop working but is fixed temporarily by restarting sshd?

I have been allowing incoming ssh on one of my home machines for many years without incident. Recently it stopped working. I have discovered that it can be fixed by restarting the sshd process, using ...
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Connection between WireGuard peers

I have ubuntu server with wireguard IP 10.10.0.1 and two win11 clients with wireguard 10.10.0.2 and 10.10.0.3 IPs with current config server can ping clients and clients can ping server, but clients ...
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Windows 10 Host pc doesnt load after logon sometimes [closed]

We are using Windows 2019 Server in our office, the host pc uses Windows 10 mostly. Sometimes after the login credentials are entered, the OS doesnt load completely, it keeps trying to load or just a ...
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2 answers
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How to configure the custom options in pfSense for OpenVPN to access the LAN

In the Advanced Configuration section of pfSense's OpenVPN, in Custom Options, there's an example to push "route 10.0.0.0 255.255.255.0". In my network, my OpenVPN server uses the 10.22.4.0/24 ...
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1 answer
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Serva Windows 8 Install: Network location cannot be reached?

I have a Toshiba z30-a1301 that I am trying to install Windows 8 on. The only way I am able to do it is through LAN boot. (No option for USB, no CD slot, no recovery partition). I'm using Serva, and ...
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Keep connection alive even if physically not connected for a while? [duplicate]

So here is the scenario I have a laptop that I use with a LAN cable connected to it to my PS2 on which I play OPL games stored on my SMB. However I also lift that laptop of the table to put on my lap (...
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1 answer
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How to propagate a server's host name on local DNS

I am asking this question because I don't know which network service should do this. I have a lightweight server on my LAN, and its host name is my_server. Now I would like every machine on my local ...
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3 answers
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How to get my router IP address (assigned by ISP via DHCP)

My router has a WAN PRIVATE IP address which is assigned via DHCP by my ISP. This is different from my public IP address of course. In my router settings page I can read it: 10.245.134.71, and ...
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pihole - Can I call a local top level domain name anything?

Possibly a stupid question, but I am setting up pihole on my home network. I am sure it has been asked before but searching didn't yield any relevant results, Maybe just the way I asked. I added some ....
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mac os web app not accessible on LAN

I have a web app on port 3333 on my mac os (ventura). This mac has a static internal network IP (192.168.1.234). I want to access this web app from another machine on the. LAN via 192.168.1.234:3333. ...
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2 answers
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Connect two wireless routers with LAN cable over a distance of 100 meters

I have a fiber optic coaxial connection in my home connected to a wireless router provided by my ISP. My office is not far away from my house but I don't receive a wireless signal from the router so ...
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1 answer
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Some numbers wont light up in Network Cable Tester

I have bought a network cable tester today and tested my newly crimped crossover and 6-1 are not lighting up. At first i thought that the 6-1 led lights are not working.But i tried to switch the cable ...
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3 answers
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OpenVPN can connect, Traffic works but I am not in the Local Network

I have installed OpenVPN via PiVPN Script on my Raspberry Pi. Nearly Everything works fine. I can connect to it and my traffic passes my VPN-Server. My only problem is that I am not in my Local ...
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1 answer
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Can I activate Wake-On-LAN outside my local network?

I'd like to have some way to send the packet to my computer, say from another network. Is that possible? What would be the best way to do that, if possible? Like, can I just open port 9 and have the ...
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How to see all IP Addresses in the same LAN as mine? [duplicate]

I need to see the IP addresses of PCs in same LAN as mine (work LAN) to connect to my colleague's PC with SSH. I'd like to use PowerShell or Command Prompt.
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I have an iMac that I want to use remotely, how to setup a port forwarding to access over SSH [duplicate]

I use termius and I want to setup a port forwarding to use remotely my iMac over SSH. I want to have a setup like that : iMac => WebServer => SSH => My pc Note that the Web Server has not the ...
-1 votes
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How to setup port forwardng to connect (SSH)

I have an iMac and want to connect to it over SSH, but I down't know how to setup port forwarding to remotely access(different LAN). I want to ake the port forwarding from a web server I have, like : ...
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2 answers
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Create network option missing on macOS Sonoma despite legacy networks being enabled

I am trying to create a local WiFi network using my macOS Sonoma computer. I followed a guide online and I enabled legacy network options but I cannot create a new network on the WiFi button at the ...
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2 answers
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Connecting LAN cable to wall socket

I have a few computers I want to connect to internet. All PCs are connected to a network switch. My task is to connect the switch to the internet router. The cable that came from the internet router ...
2 votes
0 answers
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Non-PC devices don't have access to the Internet

I have a home network and face an issue that all non-pc devices don't have an access to the internet, but the same time all my pcs (windows 10/11) have it stable. Diagram of my net: Some times it ...
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1 answer
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Setting Up a Private LAN Network within Another Network on Linux

I'm seeking guidance on setting up a private LAN network within the confines of another network, all on Linux, using open-source firewalls and software. Here's the scenario: I have a desktop computer ...
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How to get an alert whenver data over lan connection stops flowing?

So, there is a computer in an ICS environment, sending data to a server; time to time it has occurred that data stopped for some time and I need to ensure it could be monitored and an action can be ...
2 votes
1 answer
4k views

LAN connection not working when cable plugged after removal

I am facing a weird problem recently. When I reboot my computer with the LAN cable plugged in, it's connected and everything works fine. But when I remove the cable and plug it in again, it detects ...
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1 answer
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How to connect device with UDP protocol on local network?

I have simple data logger which send data (some id, date, time...) every second. This device was connected with windows app by Ethernet cable. Now I would like to connect device with my modem and ...
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1 answer
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Home device tries to connect directly to the Internet Service Provider, bypassing the router

I have a router ASUS RT-AC1200. Firmware is the latest: 3.0.0.4.380_10931-gfed566f. It is connected to my Internet Service Provider (ISP). The router has a static MAC address, which I don't change at ...
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Can I create virtual network address which routes to port on my machine?

I would like to create a virtual address on my LAN such that it looks like a separate machine and when I connect from my host machine or other machines it actually routes traffic to a specific port on ...
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I loose LAN networking features when I prioritize WiFi or lan on server

I’m trying to get my server a dedicated internet connection while’s my other systems can still access it via lan. I tried to simply connect a WiFi network to it while’s keeping the lan connected but ...
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LAN connectivity issues in Windows

We're trying to get a computer and a laptop to connect to each other through LAN. Both devices are running the latest version of Windows 11. Both devices are on the same network. We're both ...
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2 answers
5k views

My PC is not reachable on local LAN after changing computer name

My PC is not reachable on my local LAN (workgroup) after changing the computer name. I then renamed it back to the original name and it is still not reachable. Pinging other computers from mine is ...
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0 answers
103 views

Local proxy behind cloudflare tunnel

There are a lot of similar questions out there, which look like the same, but they all want actually something different or were never answered, I hope you can help me with that. I recently bought a ...
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1 answer
5k views

dnsmasq: DNS request timed out for machines in local network

I have a vagrant machine running on my mac with virtual hosts I want to make available to my local network. I installed dnsmasq via brew and have the following in its /usr/local/etc/dnsmasq.conf: ...
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Unplugging and pluging in ethernet cable restores lost connection

Last week I had my fibre connection installed by Zzoomm in England. They installed a ADTRAN SDX622v as ONT. Which has a 10Gbps Ethernet port and it goes to my TP-Link Deco M4 Mesh router (3 satellites)...
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2 answers
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How to configure router to limit a computer to local network and block its incoming or outgoing WAN access?

How can I configure a router to limit a computer to local network and block its incoming or outgoing WAN access? What kind of settings I should look into? I am using Tomato firmware.
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How to combine two ISP network?

I want to experiment combining Cable Internet with AT&T U-verse twisted pair Internet. So basically, AT&T U-verse was very reliable, but only gets about 25Mbps Comcast can go up to 1200Mbps, ...
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Wireless LAN adapter Local Area Connection *13 and *14 not connected, how do i connect it back?

This is what I see: I am trying to change my IP address using ipconfg/renew, but it is not allowing me to because my Wireless LAN adapter Local Area Connection *13 and *14 are not connected, can ...
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1 answer
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Getting self assigned ip 169.254.124.122 when connection to LAN with Huawei HG8145V

I am getting self assigned ip when connecting to Thunderbolt Display Ethernet using Thunderbolt Display. Connecting via WiFi works fine without any issues. I have tried setting up DNS in my macbook as ...
16 votes
3 answers
28k views

what's IPv6 analogue for IPv4 `arp -an` and "arp who-has"?

In the IPv4 world, when you want to talk to another computer, you ask which MAC address claims a given IPv4 address, the arp who-has ... tell ... exchange as per tcpdump, and a cache of such mappings ...
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1 answer
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Windows 7 Set metric to use 2 different network interfaces at the same time

I'm looking for a way to use at the same time wired and wireless interfaces. My situation: 1 Gbit ethernet interface (10.100.x.x) 1 WiFi 802.11 b/g/n interface (192.168.x.x) The PC is part of a ...
1 vote
2 answers
6k views

Disable access to network shares for one user

I have a Windows 7 computer with two users. One of them is Administrator the other is limited user. Limited user should have access to the internet but should not have access to any network shares of ...
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2 answers
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2 WAN routers share the same LAN network?

I have 1 modem with 2 Public IPs assigned in bridge mode with 2 routers connected to it. Each router has a unique Public IP address. Router 1 has only servers connected to it, and router 2 is used for ...
1 vote
2 answers
7k views

pfSense inaccessible from LAN

My pfSense ( pfSense version 2.3.4, FreeBSD 10.3-RELEASE-p19) homemade router from older PC was working just fine for few months but it suddenly stopped working and is inaccessible from any LAN ...
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1 answer
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Configure second wifi router on same LAN as primary?

I bought a second home wifi router to extend my wireless coverage. It has a wired connection to the primary router and is configured with a different SSID. I'd also like the second router to perform ...
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2 answers
5k views

How to slow down lan for a target ip

How can i slow down the lan for a specified Ip address? My friend was telling me about this program that will slow down lan, and we were trying to find it. It was used about the year 2000. Thanks
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Website is accessible via WIFI but not LAN

Everyday I access a 3rd party website either via my browser directly or requesting files via a javascript application I developed. This morning, my connection to that site has been so slow that the ...
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1 answer
20k views

How to use push "route 10.0.0.0 255.255.255.0" on pfSense

My OpenVPN server has a local IP address 10.21.1.4 (it's on the 10.21.1.0/24 subnet), and uses the 10.21.4.0/24 subnet for the tunnel. What route should I push to grant VPN clients access to the LAN (...
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1 answer
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Getting internet to a detached garage that has a existing coaxial line

Out door 2 way cable splitter: one line runs into the house where the modem/router is, the other runs into a detached garage. Would a coaxial to LAN converter work in this situation, or do they need ...
1 vote
1 answer
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Web server slow on lan using URL, fast using local IP

I have a web (HTTP) server set up behind a router in my house. I have set it up to use DuckDNS with a subdomain name. For the purpose of this explanation I'll say that the subdomain is sub1.duckdns....
4 votes
1 answer
5k views

Only allow access to specific IP address on LAN with VPN

I have a Raspberry PI running PiVPN and would like to restrict the LAN IP addresses that can be accessed through the VPN, so that only one service is available. I have searched, but all I have found ...
1 vote
1 answer
5k views

Packets don't come back in a network with NAT in Cisco Packet Tracer

This is my network: I have done my best to try to solve the problem, but with no success. Whenever packets come from LAN 1 or LAN 3, the local IP addresses are translated into one of the 3 public ...
101 votes
12 answers
172k views

Best way to transfer files over a LAN between two Linux computers

I want to transfer files (a music folder) between two Linux computers. After searching for the best way to do this, I've seen that there are lots of ways of doing this. I know this has been asked a ...

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