Networking is the art of connecting two or more devices together so that they can communicate with each other.

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Why do I have to keep flushing my DNS cache?

Several times a day, my Internet connection stops working on my Windows 8 computer (it's not the network, other computers on the network work fine). It happens on all of my Windows 8 computers ...
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6 views

Sharing a folder in LAN with a password using Folder Lock Software

I have a problem in sharing my created locker in the sharing server of my LAN. Let's assume that the address of the sharing server of my LAN is \\192.168.1.1 and there I stored the locker. Now, after ...
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8 views

Why are my CAT-5e connections connecting at only 100baseTX?

I'm doing some rewiring. Several years ago I ran CAT-5e cable throughout my house. They terminated using standard wall plugs, on the other end to a patch panel (punch-down), which then patched into ...
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1 views

Network Performance: Coax Splitters, Routers, and Switches

I'm trying to decide between two home network layouts. Here are my goals that I'm trying to achieve:. Network Goals IPv6 Support WAN and LAN speeds capable of handling 2-3 HD video streams (HD ...
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1answer
18 views

Logging onto computer user accounts

By my request our school IT set up a basic admin account on my computer. I have the username and password but I am unable to log on because I am always prompted to log onto on of the network accounts. ...
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1answer
8 views

How are ports and URI schemes handled by a tcp/ip server?

I am working with the lwip tcp/ip stack on an embedded device, and I'm trying to understand how it all works. I've been looking through the documentation and code, but I'm confused by how ports and ...
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11 views

Folder Encryption in a network

I am using Windows 7 and I want to put a password in my folder in a LAN. Example: The \192.168.1.1 address is the Server of File sharing in a LAN (in my case). So all of the PC's that are connected ...
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16 views

How to remove an old “wired” connection internet connection that starts automatically under Windows 7?

A few months ago I stayed with a friend in another country for a couple of weeks and used their wired internet connection on my netbook. I don't recall if it was DSL or cablemodem. I'm now staying ...
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23 views

Start up script to choose between Ethernet and USB Cell Modem

I am playing with a BeagleBone Black running Debian Wheezy and I have written a startup script that waits (sleeps) for the ethernet to connect. If it doesn't connect via ethernet and get an IP ...
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22 views

What to do when GameSpy goes offline? [on hold]

I have a question about computer software, regarding the networking element in games which use GameSpy. Gamespy has announced it will permanently shut down this year. serial authentication, ...
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1answer
126 views

Is listening on a port on the localhost of a server the same as listening on that port of the server's public IP address?

I set up a free Amazon EC2 instance in order to use a Node app outside of my localhost environment. The instance is allocated a public IP address at launch, mine for example being 54.187.31.42. Does ...
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10 views

Network Configuration Operator and UAC Issues

I am deploying computers to folks where they use network devices that require them to change the IP at will, but I do not want them to have any other privilege. To my delight, this group seems to fit ...
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9 views

dhcp no lease because of not-DAD mode

My virtual machine does not receive an IP lease anymore. Manually requesting a new ip lease by 'ifdown/ifup eth0' or 'dhclient eth0' or 'service network restart' don't work either. The error is ...
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1answer
29 views

VPN plus Wake on LAN: Are there excesive security risks in remotely connecting to my computer with such a config?

My problem seems very simple: I have a laptop that has close to no internal storage, but a home PC that has tons. I want to be able to use the HDs on my home PC (which are shared across the local ...
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23 views

how to bypass internet censorship by SSH [on hold]

Here in our country most free internet services like YouTube and WordPress and many of theme are blocked! Can i use remote SSH servers to by pass censorship? would you u please list some free online ...
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0answers
10 views

Checking if VPN is working correctly

How to make sure, that all traffic (e.g. from web browser) is passing through VPN and no data is leaking through normal internet interface? Or how to check, what interface (VPN or other) is used by ...
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1answer
14 views

How can I turn on ECN for Mac OSX?

I'd like to run some networking tests with Mac OSX 10.8 and using the ECN option. However I cannot find any documentation on how to configure it. Does anybody know how to alter Mac OSX TCP networking ...
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1answer
22 views

Windows command-line: Fastest way to disable internet (keeping LAN)?

Split question: this other one here is for Linux. I think the easiest way to deactivate internet (not LAN) in Windows command-line is to remove the default gateway, so, assuming LAN is ...
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1answer
11 views

connecting to a pppoe network via an ADSL2 modem

I recently switched my internet provider from an ADSL2 based service to a pppoe based service. I have the old ADSL2 modem and would like to reuse it for the new PPPOE connection. The modem only has an ...
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14 views

Granular routing with iptables and iproute2 over VPN

On a host at my house I have a host for a VPN that I need for a couple of purposes. Living temporarily in Japan, it functions as a NAT for some devices so I can still use my NETFLIX and some other ...
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22 views

Proxy alternatives/Lightspeed systems

Please read the entire section before answering. Our school IT is extremely uncooperative and will not assist us. WEBSITES SUCH AS WIKI ANSWERS, UNITY FORUMS, AND THIS WEBSITE ARE BLOCKED. I HAVE NO ...
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1answer
49 views

Why is DNS the first thing to go when my connection is busy?

It seems like whenever I have reached the apparent limits of my download/upload rate (or just been throttled), the first thing that will start to slow or timeout completely is DNS lookups. Normally I ...
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1answer
21 views

Can I use openwrt on non wireless machine?

I own tiny mini-itx pc, which I want to use as home router & server (samba, cups, torrent etc.). It dosen't have wireless card, whole network is wired only. Can I use OpenWRT x86 for this?
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1answer
32 views

iptables blocking all traffic even with ports opened

Simple as I can put it: I can't access my servers with iptables enabled, with default rules. Need to disable iptables to get access. Trying to find the cause. Only difference in setup type is layer3 ...
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19 views

How do I disable this networking dialog on Windows 8.1?

When I tether my Android phone to Windows 8.1, I often get this useless dialog, which I always ignore. How do I prevent Windows 8.1 from showing it?
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1answer
37 views

-48VDC power required: How to make it work with 110VAC input

I recently bought a used NetOptics TP-GCU-48V network tap on eBay for use on my home net. This is one of their earlier models and has been discontinued for a number of years. They have two versions ...
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1answer
13 views

How can I allow ssh host keys to be added again?

A couple years ago for a project I was doing at work, I disabled ssh host key checking (we made a buinch of different machines with the same static IP address). I can't remember what I did to disable ...
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1answer
13 views

How can I backup my laptop to my ubuntu PC over the ethernet using clonezilla?

After searching the web for hours, I couldn't find a noob-guide for getting the job done. I have read bits of disconnected information here and there about nfs servers, dhcp, samba and so on. I've ...
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22 views

Configuring local web application [duplicate]

I have a Web Application deployed on my local IIS over a Windows 7 environment. You can access the Web application by putting the ip address plus the web page on the web browser url (i.e. ...
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2answers
38 views

is it possible to share hardware resources through network?

Suppose there are several laptops in my house and I would like to connect them and then in one of the laptops use their hardware resources (CPU, Graphic card and etc) to play a game that a laptop ...
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28 views

Mac OS X and VPN Option all traffic over vpn

i have to say, i am new in using a Mac. So please don't expect too much. My operating system is Mac OS X 10.9.2. To connect to my company's pc, i managed to create a vpn connection using VPN (PPTP). ...
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24 views

Virtualbox proper network configuration

I'm trying to setup Centos 6.5 on Mac OSX so that: CentOS can use internet using NAT mode adapter 1 (eth0) Host (Mac OSX) can connect to Guest (CentOS) using static ip via Host Only mode adapter 2 ...
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33 views

Local Area Connection is limited or no connectivity

win xp sp3 Bottom right I have a message that Local Area Connection is limited or no connectivity. There is no yellow marks in device manager When I reconnect modem cable to another comp ...
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9 views

Weird Debian network issues

I'm running a Debian server through a router on my home network. My server's hostname is yuuko, but my router thinks it's named computer-2. I also can't ping outside the network (pinging the router ...
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1answer
23 views

Why does packet data don't need trailer/footer while frame needs it?

Why does packet don't need trailer/footer while frame needs it? I am trying to understand networking concept regarding ISO & TCP/IP layering. I have googled a bit and it says that the footer in ...
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15 views

Unable to Sstart Server Service on Windows 7 Pro

Today I decided to play a few tricks with my Android cellphone and I would like to access the files in my PC from it, over the Wi-Fi connection. However I was unable to connect to my PC using the ...
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20 views

Can't connect to web server from outside my network

I have a Debian-based server that I would like to be able to access from the Internet (no domain name yet, I'm just trying to get it working for now). I already have port forwarding set up on my ...
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1answer
17 views

MMO and Network Issues [on hold]

My setup is follows: I have a pretty powerful laptop and my brother has a PC. I enjoy playing SWTOR on my laptop. However everytime I logon to the game server, My brother complaints about being ...
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1answer
19 views

how to survey and show every single connection from Firefox?

I want to find which files or data is downloaded while loading and interacting on a specific webpage. How do I show every connection attempt from Firefox? I would like to use command line tools ...
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17 views

Connecting local network using switch and router with just 2 interfaces

I need to connect a very small network (< 5 devices) to another network. The other network provides only a wireless AP. I was thinking about using an old Linux box with a wifi card and a single ...
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20 views

virtual router plus could not be started

I installed virtual router first, but it was not able to start. So I installed virtual router plus(VRP) software. I do "sharing" enabled in my broadband connection adapter "Local area connection". ...
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17 views

Can't auto connect to samba drive on login?

I have a old PC running Ubuntu server with samba and for some reason, my mac cannot connect to it automatically on login. I added the volume to the login items in system preferences but every time I ...
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1answer
18 views

OS X / Windows bootcamp, Wi-Fi drops on OS X only

While I know there can be a vast sea of different explanations to this matter, I am trying to figure out why my Wi-Fi keeps dropping on OS X but not on my Windows(bootcamp)-partition. Symptoms: - I ...
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2answers
62 views

bridge does not forwarding packets centos

I am using CentOS 6.5 64 and use xen to create a virtual machine (CentOS) ifconfig [root@CentOS ~]# ifconfig eth0 Link encap:Ethernet HWaddr 08:00:27:54:B3:FA inet6 addr: ...
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0answers
16 views

Copy Ethernet Stream to A Virtual Ethernet Adapter

For a project I am working on I need to connect to a webcam stream. The webcam is connected to the computer via Ethernet. The problem is that the client has provided a separate proprietary software ...
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1answer
32 views

How to identify what apps are using internet? [duplicate]

I have slow internet connection, when I watch online TV I'm trying to close those apps and processes on my Mac that use internet. Besides the intuitive way (close skype, browser tabs, dropbox, etc) ...
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1answer
32 views

Connect 3 laptops

I am working on a problem but not able to solve it. It goes like this I have 3 laptops, laptop1 is connected to wired network , laptop2 is in having wireless connection with laptop1 , laptop3 is ...
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11 views

Windows Server 2012 Remote desktop substitution

Is it possible to substitute the program that Windows Server 2012 by default uses for remote desktop with another program? I need a program that can handle OpenGL, and it is my understanding that by ...
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2answers
22 views

Dual Network ports on NAS

My NAS has two network ports. Can I use the second one to speed up data transfers on a 1-1 connection? I assume the 2nd port will have a different IP, so does it make a difference for a single PC ...
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Conntrack/NAT's port mapping for a specific port breaks whenever that port's service is shutdown for too long. How can I fix this?

Linux Gentoo 3.13.6-hardened-r3 #1 SMP Sat Apr 12 09:17:25 EDT 2014 x86_64 Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz GenuineIntel GNU/Linux hardened with grsecurity and selinux with a strict policy in ...