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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Odd ping results : another device answers the ping

On my LAN network 192.168.0.x. My computer is linked to a small Netgear router 192.168.0.19. On some ping requests, I get an answer from the router, not from the actual server. On several requests ...
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861 views

Ubuntu wired network disconnected

I am not able to establish a wired network connection between two computers on which I just installed Ubuntu 10.04. I am new to this environment. Unlike in the Windows environment, where it happens ...
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927 views

Lot of Multicast traffic on LAN

Recently the whole network at work is being hit by multicast traffic originating on the LAN itself. I did some investigating and the service which seems to be responsible is ws-discovery. I have ...
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31 views

Varnish to Vsites on Apache servers

Can anyone advise of a VCL conf that redirects (inside LAN & LAN DNS) to get to multiple named hosts? i.e. http://x.ourdomain.com = IP of Varnish Server = redirects to LAN host (i.e. 10.0.5.1) ...
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716 views

WLAN card as LAN interface?

I have a system with 2 network adapters: a wifi card (atheros) and an ethernet card. Both network adapters are recognized by pfsense 2.1 without problems, but I don't know how to configure it: I ...
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1answer
55 views

Hyper-V Client for Microsoft Networks gone

I have an odd situation. I have a Hyper-V Baremetal Windows 2008 x64 (not R2) host with 4 VM's on it. I also have a server next door on the lan that is not a host just Windows2003x86 called ServerS2 ...
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204 views

Connecting to NAS boxes/printer located on local private WAN network

The set up Here's a diagram of my network: # Building 1 (Main) --------- | MODEM | --|------ | |-[WIRED] | --|------------------------------------------ | DrayTek Vigor 2130N ...
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297 views

2 nic cards in ubuntu PC, one to router, one to win7 pc, make connected pc on router talk to win7 on 2nd nic

There are 2 win7 pc, 2 100 mb/s routers and 1 ubuntu 12.04 pc. I scanned a diagram of the Lan setup with IP's ...
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51 views

Comunication from Server to Client + Client LAN

I'm having some trouble with some network setup. I've tried OpenVPN, SocialVPN, Hamachi, still it is not working. This is my setup: Server A: NIC 1 with internet public address, NIC 2 to LAN Client B ...
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115 views

Redirect users to internal webpage on first visit

I have a lan of maybe 20 - 30 computers, and a Windows server 2003 server on hand (I can also run any x86 Linux distro). What I am trying to do, is to redirect users to a webserver inside the LAN the ...
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1answer
417 views

postgres server works on LAN but not WAN (connection refused)

I'm trying to set up a postgres server, but I cannot access it through the Internet. It works fine on my LAN. Server is just a desktop computer using Ubuntu 12.04 desktop. disclaimer: I am not ...
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1answer
549 views

Gateway Modem loses ability to DNS lookup intermittently, often under heavy load

We're using a Bell 2Wire Gateway modem/router as our only hub (with some switches attached). Intermittently, but frequently when a large download is initiated, all computers on our LAN lose the ...
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1answer
262 views

how to access my lan based postgresql db from my website

We have lan based .Net application with Postgresql 8.1 , now i have task to provide interface on website to read and write two tables on LAN based database I don't know where to start Please help me ...
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1answer
289 views

windows server 2003 subdomain routing to lan

I have Windows Server 2003 with two network cards. 1 network card is connected to the router and router is connected to internet. 2nd cards is connected to switch and there are another 5 PC’s ...
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1answer
231 views

PC to MAC Ethernet LAN

I'm trying to setup VNC between a (Windows XP) PC and a MAC (OS X) for semi-permanent installation in a space, but I can't even get the PC to ping the mac. I've got an ethernet cable running between ...
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1answer
16 views

WebServer - moving MySQL to another server on LAN for gaining more processing power?

I have website with high traffic hosted on dedicated machine. This machine running out of resources. Will moving MySQL database to another dedicated machine on LAN give more resources to website ...
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1answer
40 views

NTttcp shows slower throughput on loopback (127.0.0.1) than on network

I am using NTttcp to find a baseline for what throughput I can expect between a client and server on windows. When I ran the client and server on two different machines on our LAN I got the following ...
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1answer
30 views

OpenVZ Local Network

I recently aquired 7 OpenVZ Virtual Private Servers for a load balanced website. 2 Load Balancers 3 Web Servers + MySQL API Server + MySQL Storage Server 2 Storage Servers (For PHP Sessions and ...
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1answer
245 views

postfix - connection refused from behind NAT

When attempting to telnet postfix from a different host in the same LAN through the FQDN (and thus the LAN's public IP), the following error occurs: root@mailer:/var/log# telnet mail.domain.com 25 ...
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274 views

How to access a domain or its subdomain from the Local Area Network in Nginx?

I've got a local server configured with Nginx, PHP5-FPM, MySQL and some other stuff. I'm hosting two sites. One static website using Twitter Bootstrap and a theme: at www.example.com One WordPress ...
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1answer
207 views

Can't ping6 a network interface from a different Ubuntu computer

I cannot ping6 the network interface "tun0" on the host computer from a virtual machine. Using vmware, I installed a Ubuntu 12.04 virtual machine, that is connected to the host machine with NAT. ...
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113 views

Debian server - DNS stopped working after static IP reassignment

Due to changes in the LAN router, I had to modify the static IP of one of our servers. It still succeeds in finding the external world (ping google.com), but only temporarily - when I access one of ...
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14 views

vigor 2960 won't start after firmware upgrade

I tried to upgrade the firmware of a Vigor 2960 through their interface. Everything was working fine until the reboot. The upgrade was from 1.0.7.0 to 1.0.8.2. It rebooted for a while and now I ...
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66 views

How to access the setup wizard on Sonicwall TZ 100 firewall

I am trying to setup a TZ 100 firewall. I am following these instructions and I have attempted to follow these instructions: "Connect your computer to the LAN (X0) port on the SonicWALL. Connect an ...
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2k views

pfSense no access from lan to wan

Can anyone please help me ? Probably the answer is already somewhere in the forum, but unfortunately I have not found it until now. Since two days I fight to have access to the internet across a ...
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90 views

SSL Handshake takes 10 seconds in LAN but not in WAN

Here is the structure we have, 3 servers in location A (172.22.25.X) and 3 servers in location B (192.168.140.X). One of the 3 servers in each location creates an SSL connection to the other 4 ...
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196 views

LAN to PPTP VPN bridge

I am pretty new to VPN and networking stuff so please bear with me if this seems a noob question. I have a cisco linksys e2500 router running on Tomato firmware. My situation is, I have set up a PPTP ...
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389 views

DNS Server using bind on CentOS - does not resolve

I am trying to setup a DNS for a standard lan zone. I have now read every bit of info available but still the DNS server does not resolve with nslookup or dig e.g. "nslookup router.local.lan" => ** ...
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71 views

Pass / forward 8080 port on server with masquerade

There is server machine wich is connected to ISP only with modem, no router. Server got apache on 80port. Now on other ethernet card in my server i have cable going to my router, router serve ...
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365 views

Performance issues on LAN with Load balancing

I recently set up a network which is running "slow" and I can't seem to debug the situation. I'm fairly noobie at networks I'll explain the setup and hopefully you can give me possible solutions. I ...
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235 views

Auto switching between wired and wireless connections

How about this situation. Our business deals a lot with medical information. And some of our clients have demands based off HIPPA, etc. There is one now where they do not want an employee to have both ...
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28 views

pfsense access openvpn client´s lan

I want to cover the following case: pfsense server´s LAN: 10.1.0.0/24 openvpn client network: 10.2.0.0/24 Local network of one openvpn client: 192.168.2.0/24 Working: Access the network ...
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23 views

How can I troubleshoot my router NOT routing between LAN PCs?

I have a FiOS router, which has 3 PCs connected to it. One of the PCs used to run several servers/services; that I previously (using a different router from different ISP) successfully connected to ...
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39 views

Nodejs website not accessible from LAN

I've deployed two nodebb instances. One on default port 4567, the other on 12001. The first site works well and is accessible from LAN, while the other doesn't. I expect that the problem to be due to ...
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96 views

Remote client (android) can't connect to OpenVPN sever behind LAN

My plan is to connect over tunnel (via Internet) android phone with my LAN at home. I set up OpenVPN server behind (router) lan (ip adress is 192.168.1.3). There is also my laptop. Port 1194 UDP on my ...
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30 views

Most secure way to encrypt critical data to be shared, edited and seen (must ALWAYS be secure)

This question does not rely on time... so it's not about keeping data on tape or anything similar. I have 3 distinct PCs with critical information. PCs are running Windows OS. They all hold critical ...
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31 views

Configure freeradius as a linux service

I install freeradius-2.2.0-7 on CentOS 7, and I finished configuring it, for the test on the same Linux host, he replied "access-accept" but when I repeated the same test from another host on the ...
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89 views

Can't seem to see local network on Wine

I'm trying to use Wine on Ubuntu to use a proprietary Windows program that looks for a proprietary device on the local network. I don't know where it's looking, which protocol, port or IP address it's ...
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46 views

How do I set up Munin to ping all devices in my LAN and alert me if anything is offline?

So I managed to set up Munin, which was tearful because it was my first encounter with Linux. But it now works and generates colorful little graphs. The real purpose of that exercise, however, was to ...
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90 views

Access switch on the LAN from a WLAN connection Sonicwall TZ205

I have a setup like the following Modem >>> Sonicwall TZ205 >>>> Linksys 8 port smart POE switch >>>> Linksys LRT224 When I am on the LAN through a wired connection ...
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118 views

Lazarus + Postgres Log: Could not receive data from client: unexcpected EOF on client connection

I'm writing an application that runs on a LAN. Workstations: Windows Server: Ubuntu server 12.04 Programming language: Lazarus I can run the program from my XP machine. It connects to the server ...
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25 views

Configuring sendmail for local delivery

First, I've probably worded that improperly, because Googling keywords like that has gotten me nowhere. What I want to be able to do is deliver mail to various hosts on a LAN. So let's say I have ...
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26 views

Jumphost VM not able to communicate with LAN

I have setup a jumphost VM on WinXP. It has 2 NICs. NIC1, which is the LAN, has the following IP settings: IP: 10.0.0.1 /24 (No default/ DNS configured) NIC2, which has external connections, has ...
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122 views

Severe performance issues sharing openvpn client connection to LAN clients virtualbox

I am trying to set up an internal network in Virtualbox in order to share an openvpn client tunnel with multiple VMs acting as clients that should be completely isolated from everything except for the ...
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68 views

My SonicWALL PRO 3060 doesn't have PortShield, but is there a way I can fake it?

So I'm setting up a SonicWALL PRO 3060 and I noticed that it doesn't have some optional PortShield upgrade -- oh well, my loss. However I find that I've started needing something very ...
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75 views

Error 400 on LAN access

Probably a stupid question / problem, but when I try and access my site via it's domain name from inside it's LAN (requesting via the local IP address works fine though), I get an error 400. A while ...
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77 views

RTMP Streaming LAN footage from multiple PC to one single stream

I need to stream a Live LAN footage from multiple PCs to a single stream, that is must redirected on twich.tv. What in fact I need to do is to switch from one source to another without interrupting ...
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70 views

Assigning LAN TLD's

Let's say that I am setting up an experiment of sorts with two or more DNS servers. These DNS servers will handle DNS requests for <domain>.lan tlds. Let's say that dns.lan points to the first ...
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1k views

DNS settings for resolving Host name to IP not working?

I want to access my IIS hosted application over LAN. First I installed a DNS server. The DNS configuration steps are: Go to DNS Manager -> right click on System Name -> click on configure a DNS ...
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158 views

Clients suddenly stop receiving data from the network

I'm facing a connection problem on a small network: 10 clients connected to a Netgear WNR612v2 WiFi router with DHCP disabled; 4 clients connected to a Linksys WRT160NL router with DHCP active and ...