Questions tagged [local-area-network]
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 or Ethernet transmission.
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Load balancing ISPs without double NAT [closed]
I configures my TP-Links ER605 multi-wans router to load balance between my two ISPs (that is working). But since my Web/NAS server is behind my router on the 192.168.2.0 network, any computers on ...
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IPv6 access to site behind OpnSense
I am new to IPv6. I have dedicated server with both IPv4 (single external IP 135.x.y.z) and IPv6 network 2a01:abc:def::/64).
Within this server I have few VMs and 2 networks (WAN and LAN).
OpnSense ...
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3
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Propagate local time over NTP to LAN
I have synchronized my L3 switch to an external time server, this is working correctly. However I'm in Europe and we have CET/CEST switching and I get UTC from the configured time server. I did setup ...
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Connecting hundreds of servers via the local network (LAN)
I'm caching lots of data in memory to a local Redis server. The server will need to connect to hundreds of other servers in the same data center (as they all need to access the same information ...
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How to block access to LAN through Open VPN running in Docker?
I'm running Open VPN server inside Docker on Debian 10. It works great.
The problem is the connected client now can access my devices on my local network. I would like to block all access to all VPN ...
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Reach LAN Web Server from Amazon ec2 OpenVPN AS Instance. Possible?
Here's my desired end state:
From a WAN connection (my phone, a PC that I happen to be using outside my home, etc.), I want to be able to enter an URL (https://example/myapp) that my web server (nginx)...
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Cant ping my PC on LAN until user is log in directly. destination host unreachable
It shows this when pinging from other devices in the local network
From 192.168.0.191 icmp_seq=1 Destination Host Unreachable
However once I log in my PC (192.168.0.191) I can ping it from other ...
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Tracking Down Source of Network Instability
If the issue happens, it happens at 10am, for about 1minute between onset and return to stability. It does not happen every day. During the minute, pings go through the roof and packets start to drop,...
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What does exactly break with double NAT?
There are many warnings about double NAT networks.
DSL---modem with router-----second router
configured by ISP inner network
first NAT second NAT
What will exactly break ...
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Did something stupid that interrupting Ethernet access for "some ports"
I have just installed Ubuntu Server 20.04 on my server, but I executed an automated script without carefully watching, and it resulted in a really weird scenario.
I also have multiple webservers ...
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Is it possible to send mails via Postfix on another machine in the same LAN without having to relay it?
I thought this was a quite common situation, but I'm struggling a bit getting this to work in the easiest way possible, and also, I'm not sure if I'm doing it in a good/recommended way by now.
I have ...
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What is the IPv6 equivalent of 127.0.0.1 [duplicate]
The IPv4 address 127.0.0.1 is for the local/current client. What is the opposite of the address in IPv6? I already searched for it, but only found ::1. Is this the correct one?
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2 NIC and access to diffrent lan
Sorry for my English.
I have problem with configuration of static routes. My LAN looks like:
Router A - 192.168.1.1 | Router B - 10.0.0.1
Connected to :
Server Windows Server 2019
Nic1 192.168.10:...
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Why will Firefox resolve my domain but Chrome will not
I've been setting up a LAN DNS server using DNSMasq to forward my webserver which at the moment has https and is port-forwarded by my router. I have a domain registered which resolves fine from ...
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Tips for managing safe and insecure PC mixes [closed]
There are two buildings connected by an optical fiber, each with 3-10 PCs but in a mix of PCs used in a business context and some in homes.
Unfortunately, when the network was designed years ago, no ...
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How can I setup NAT with multiple public IPs (/29 subnet) on pfSense?
Our ISP provides a /29 subnet which includes the following IPs:
Network Address: 199.1.1.0
Router/Gateway Address: 199.1.1.1
Usable IP addresses: 199.1.1.2 - 199.1.1.6
I would like each of the 5 ...
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Mac can be arpinged but not pinged
Why does Mac OS X and Linux do not ping each other on a local Ethernet Network?
Edit 2012-12-14 (ten days latter) adapter FireWire to Ethernet RJ45 might be the problem (on MacBook Pro Retina early ...
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BIND9 server for a network with no internet access
The question I have is the same as this one, but the accepted answer, and the comments did not helped me solve my issue.
I'll put here the whole setup that I have.
BIND9 version - BIND 9.11.5-P4-5.1+...
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How to route lan trafic over VPN
I have two computers connected to same VPN (hamachi) network. There are in different places.
Lets say I have this addresses:
Machine A: (rpi zero - using wifi)
wlan0:
inet 192.168.2.160 netmask ...
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Pfsense : using the server to resolve hostnames as ip in local vlans
I made a network with 3 machines, one is a pfsense server that manage a captive portal, a dns, dhcp server and firewall rules, it is in a trunk network. The second pc is a server hosting some services ...
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Impossible to reach website from my local network
My company website is hosted on Simply Transit, running WP.
It works perfectly from anywhere outside my company LAN.
Inside the LAN, trying to connect to mycompany.com would result an
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1
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Best Thin Client Setup [closed]
I'm new here and I'm looking for information for a personal question I have since the beginning of the year.
This year I had my first contact with a workspace that uses thin clients, but it's all in ...
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Raspberry Pi as internet forwarder [closed]
I thought about building a device that will behave as a forwarder with VPN. I know that I can e.g. take the internet cable, connect it to rpi, turn on vpn and create wifi hotspot. But I wanted it to ...
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Setting up dnsmasq as a DNS and DHCP server on a LAN
My routers:
Main Router: 192.168.100.1
Second Router: 192.168.101.1
The Main Router is provided by my ISP(a modem/router combo all in one). I don't have control over its settings. Except for ...
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Fritz!Box & Ubuntu: Expose URL in LAN with Apache Httpd and Bind
I hope someone can help me with this - I thought - simple task.
Situation:
On my private LAN I run an Internet-Router ("Fritz!Box") and a Raspberry Pi with Ubuntu 20.04 LTS on it. I ...
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Wireguard network peers access to lan
I hope you can help me with my problem. I am building a network for personal use and I found some issues, I don't have experience in networks. I will explain using the attached image:
Network ...
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How can I create virtual machine accessible on local network through web browser? [closed]
I would like to create vm (graphical and not graphical) on an existing ubuntu laptop, and I would like to access this VM through the local network (web browser for example)
This is something like ...
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How should I configure properly my LAN to use IPv6 for communication on LAN and WAN?
I would like to use IPv6 on my LAN and would like to be able to go out to the WAN as well.
My network is a classic IPv4 environment. It works well.
My ISP provides Global Unicast IPv6 address on the ...
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Connecting two VMs running in KVM
Short: Get two VM's to talk to each other running on same hypervisor.
I have two VMs running under KVM and I am trying to manage them via Cockpit.
The hypervisor, and the vm's are running Ubuntu 20.04....
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Disable LAN Access without disabling WAN on a Hyper V VM
I have a Hyper V virtual machine running on windows server 2019 that will be used to run a guest OS (Windows 10). How do I allow access to the internet, but block it from accessing LAN, network shared ...
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What is this private LAN address accessible through my ISP?
Recently some websites I regularly visit (most recently docker.com, atlasobscura.com; both of these sites return an issue with a fortinet-ca2 certificate) have started showing certificate issues on my ...
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No gateway / LAN without internet / CCTV system
I've tried to post this on superuser.com but they don't accept questions from Tor network now for more than a week so I hope I can find help here since we could say it's network administration ...
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how to configure static lan ip to different router provided by isp?
We have got Vodafone Internet ISP. We asked for 5 public ip's.
They had provided 1 wan ip and 5 lan ip pool.
WAN Configured and internet working but LAN ip how to use, i need 5 static ip address to ...
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Connect Router on Different Subnet [closed]
I see people genuinely helping out here but please stop with down-votes.I wouldn't have posted on server fault if this wasn't really a business problem.I am going to upgrade this network with a ...
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Is physical connection sufficient to register a MAC address to a switch?
I have a computer connected to an unlabeled RJ-45 port. Because it is not labeled, I do not know which switch port the computer is plugged into.
My initial thought was that I could login to the ...
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Do computers have IP address? [closed]
Everywhere I search some people say 'a computer has a permanent IP address' and some people say 'it doesn't but has only when it is connected to the internet through a router'.
So my understanding is ...
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Creating user accounts on Computers using LDAP
Scenario is , I have a LAN in which there are number of computers running linux that are connected with local network, Can i create account on different Computer over this network and give them sudo ...
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local server on dynamic IP accessible via FQDN? [closed]
I have a local Minecraft server that I am thinking of exposing via some domain name to other people. The only challenge is that I am on dynamic IP.
How can I expose my local server to external world ...
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Missing Network Adapters. Only showing vEthernet
We had an older server at one location, and it was online and backing up online fine. And when the local ISP started charging per gig of usage. So we shut it down. Fast forward a year later, we have ...
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Unable to access apache2 server from any machine except localhost
I have a Magento2 instance set up on a server running Ubuntu 20.04.
When I open a browser from that machine I can access the webpage using any of: magento.local, 127.0.0.1, and 192.168.20.11 (which I ...
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How to connect Brother MFC-L2720DW from the laptop or connected by wire or through Wi-Fi?
(I have very low experience with local networks. I need to connect the shared printer...)
The Brother MFC-L2720DW printer allows 3 ways to print: through USB cable, through wired LAN (patch cable, ...
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Domain joined Windows Server 2019 - not connected to domain network
I have two Windows Server 2019 machines in my infrastructure which are connected on 'Guest or Public networks' and I have been unable to switch to domain network.
I have tried many solutions gathered ...
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How to map a domain name to a LAN PC [closed]
I've registered a domain name from godaddy and I want to host the website in my personal computer.
My PC already installed LAMP(linux+apache+mysql+php) and connect to the router which connect to ...
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Access a node from different subnet
I've made a web-application which I installed on a dedicated server connected to our company's LAN. I just have one problem. All the nodes on LAN have 192.168.138.x subnet mask. But wi-fi access point ...
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Network Mapped Drives sensitive information leakage when changing LAN networks on Windows
Assuming the following or similar setup of network drives/locations on a Windows 7+ system originally connected to a TrustedLAN:
TrustedLAN Gateway: 192.168.1.1 /24
TrustedLAN Windows System IP: 192....
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LAN cable-tester's LEDs fire at 3 and 6 (without passive side attached)
I have hardware question.
I am running a duplex CAT7 cable from a patch panel to a wall socket. One connection works, the other struggles when I test the cable.
Below I describe how I tested the cable ...
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Configure iptables to set default gateway for local network
I have an openwrt router with ip 192.168.1.1. What I want to do is to set a proxy server (192.168.1.249) in LAN, and intercepts all communicaitons from two devices (192.168.1.244, 192.168.1.131). The ...
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Squid outgoing address configuration with 2 interfaces
I'm trying to forward the traffic from one network (net1) to another network (network2) via a squid proxy which has 2 interfaces (eth1 and eth0) using the tcp_outgoing_address option.
My network is as ...
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3
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Segmenting IPv6 networks using dnsmasq?
I have a bit of a complicated network setup(*) where a WAN router connects to the upstream provider and provides an "external LAN" (where actually I have some services) and another local ...
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Win10 can not access one port on one site when connected through my network
I’m doing some work for a company and need to use their VPN to do so. However I’m having problems, quite strange problems.
The company’s VPN configuration and client software is available on https on ...