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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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ubuntu server nginx not working ufw configured

I have fresh installation of Ubuntu server 22.04. I can't connect to my docker container. Here is some more information: ufw status Status: active To Action From -- ...
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Load balancing ISPs without double NAT

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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Cannot reach LAN from Fedora 35 that is sharing Internet

In my cable ethernet configuration, a Fedora 35 workstation has 2 network interfaces: if0 connected to an Internet router via DHCP if1 connected to the LAN with a static IP Machines in the LAN are ...
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Windows 2012DHCP Scope on a /8

I inherited a mess. Let's say there is a site in the network setup as 10.0.0.0/8 with a DHCP pool range of 10.100.100.1-254, a subnet of 255.0.0.0 and 10.199.199.1 is the DefGw. All of the IPs ...
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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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Host with bridge cannot ping other subnets

I'm having some trouble with my server. I set up a a bridge interface to use with my virtual machines, everything is working fine except for when I try to ping devices on a different subnet. I get a &...
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Connecting all vpn clients into a single network

I have a Ubuntu server with IKEv2 VPN configured. I have 2 (will be more) Windows clients, that can connect to VPN. I want them all to be "bridged", like they are all physically connected to ...
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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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Binding VPN server to distant local network through VPN tunnel for local traffic only

Apologies if the title is a bit cryptic - not sure how to phrase it better. Hope this is not a duplicate question. 1/ I have an Open VPN server running on my local network, which I connect to when I ...
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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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Routing WIFI and LAN on Mac OS

An old post couldn´t help me. Things are like this: I have one Network(managed from a router with access to the internet) All Mac´s are in that Network via Ethernet. In this Network is as well a NAS ...
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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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using one router for OpenVPN to connect through internet router

I connect to the internet via a router. I want to setup a second router (ASUS) to connect via OpenVPN through the first router to a VPN service. I assume the WAN port of the second router needs to be ...
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RDP connection between PC and laptop in lan with 2 cisco vpn sessions

Good morning, I have my work laptop at home and I connect via vpn cisco anyconnect mobile. From another personal PC that is more powerful and that is in the same lan I want to connect to the laptop by ...
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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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Intel S2600CP2 BMC No IP

I briefly had the Intel BMC working but now my router isn’t even seeing an IP address. This issue started when I brought down the server to install the RMM4Lite to enable KVM functionality. I’ve tried ...
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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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Reach https service locally and from internet

I've got a server in my lan that connects to a rented server on the internet via vpn, which publishes the service via https on a specific subdomain. I want machines connected to the lan to use the lan ...
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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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Connect 2 LANS together

I am a complete beginner in networking. My set up includes a 2960 cisco switch, and 2 TL-MR3420 routers. RouterA is configured with 192.168.1.0/26 network. RouterB uses 192.168.2.0/26 network. My ...
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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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Apache web page on local network accessible from iPhone and another computer on same network. Why can't I reach it from a third?

I have looked at the Similar Questions and searched on the web. Most answers are for very specific instances of Rails, or using Eclipse, or trying to access from outside the local network to a server ...
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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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UFW: block outgoing to LAN

In order to protect my local network from an attack on an self hosted server (although it's probably unnecessary), I would like to block all outgoing traffic to the LAN. At first this seems easy, as ...
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open-ssh server doesn't allow multiple logins on a LAN when connecting to public IP

I have an open-ssh server setup on Linux Mint with ssh keys and a ~/.ssh/config file on my Mac where I do most of my workflow. If I am at home on a LAN with the server and run ssh my_username@...
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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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How to test VPN connection inside LAN?

I'm going to setup several machines for remote development and debugging. The final scenario will be: [SERVER] at my office |----> VPN server | Internet | |----> Router at customer's ...
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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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IMAP Email issue - Users having to manually send/receive - How to troubleshoot?

I am after a bit of help/guidance with regard to an IMAP email issue I am having. The email is hosted by a ISP and we have around 25 mailboxes all using Microsoft Outlook 2016/19 clients with IMAP ...
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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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-2 votes
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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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