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

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Merging two networks connected to the server in the Office?

In my office, we use a Windows 2008 Server computer. There are two network ports at the back of the Server CPU. And we use two internet connections both of which are plugged in to those two network ...
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3k views

Hamachi network adapter won't install in windows 7

I had Hamachi working normally for some time, then out of the blue it started giving me VPN error (showing that yellow triangle with an exclamation mark) for every single person on my networks and I ...
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450 views

How to tell if I'm using 802.11AC?

I have an ASUS USB-AC53 wireless adapter, with a Netgear 6300v2. The speeds are OK. There is 2 drywall walls separating the computer from the router, and only about 20ft. The signal strength and all ...
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283 views

No Internet Access in Virtual Machine on my School's Network

I have a Windows 7 virtual machine that I sometimes use for Windows-specific applications at my school. The host machine is running Fedora 19 and the virtualization program I'm using is VirtualBox. ...
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2k views

Windows 7 SMB / Port Forwarding

I'm trying to configure my home desktop to work with tunnelling, SSH Port Forwarding and Windows File Shares. It was working for me but with any change in the setup it suddenly stopped and I can't ...
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338 views

How does ISPs give out IP addresses? And how do I have 2 IP addresses?

I have two questions: 1) How does your ISP give you an IP address? Does it store your mac in some table and, if you disconnect and reconnect your router it gives you the same ip because it recognizes ...
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36 views

Forwaring request from specific NIC in windows 7 client

I have a client in my network which it has 2 NIC, assume eth0 and eth1. A specific scanner with ip address of 192.168.1.1 is connected to eth0 of this client and eth1 is connected to my network. In my ...
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2k views

Cannot get an IPv6 address on Debian

I am using Debian 7 with the newest updates. I have a block of IPv6 adresses from my provider and, according to the provider the DHCP server is setup so that I should get an ip automatically (I even ...
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34 views

What happens in background when a local file is accessed over the network

If I share a file which is i.e. located at C:\share\somefile.txt to the network what happens when I call it on my computer this way \\MYCOMPUTER-PC\share\somefile.txt. Does the communication flow over ...
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273 views

“connections to webpages are currently being redirected to a different webpage”

Lately (I first noticed it yesterday evening) the "world" icon has not been appearing over the network icon on the task bar, and, when I go to the Network and Sharing Center the connection to "the ...
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42 views

Can I use a static routing table in my router to fix a path to a particular server on the public web?

I am trying to improve my internet performance and using Speedtest.net I can see that a particular server on the public web has much faster ping times and bandwidth than others. Can I use a static ...
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86 views

OS X VirtualBox hosting Windows VM as guest: Can the Windows VM be joined to an Active Directory domain?

If so, how? Do I need to do any configuration on OS X itself or should VirtualBox network drivers handle this OOB? I do not have the ability to test this at the moment, which is why I am asking. ...
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759 views

Ubuntu 13.04 Server DNS Persistence

I have what was a perfectly functioning Ubuntu 13.04 server running a LAMP stack using NAT. A change to the host configuration required that I use bridged networking and a static IP. I've set up a ...
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189 views

How can I log into wireless router from Win8?

I recently purchased a new laptop, running Windows 8. It's connected to my home wifi network, and everything works fine. Or at least, I thought it worked fine... until I needed to connect to the ...
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735 views

How to keep alive the VPN connection?

I'm using NetworkManager and OpenVPN on linux. The problem is I get random disconnections, especially when idle. So I was thinking maybe there was an option to keep it alive. I have seen examples ...
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129 views

SoftEther Encryption

I did a packet test, and I found that the data I am transmitting out is not encrypted. I want to enable encryption, but most of the options are grayed out: How do I enable encryption? Even in the ...
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43 views

How to set up network in Windows 8 like in Windows 7

In Windows 7, to set up a new network connection, you simply click on Network Connections in the taskbar, Then click the connection and click Connect. It then asks you to set it up, and it asks you ...
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441 views

“udp relay” via openssh socks proxy

I'm trying to run a UDP based multiplayer game (dota 2) via the following chain dota2 (OS X)-> proxycap -> ssh tunnel -> home machine (OS X) -> internet The home machine is running the ...
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139 views

Cable modem ping times go to thousands of milliseconds after 10 minutes of use

I have a wireless router (NetGear WNDR4500) which has a wired connection to a cable modem (Thompson DCM275). My connection to the wireless router seems to be working fine and the traceroute and ping ...
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159 views

Website hosted in IIS not Working

I hosted a website under default website in IIS and tried to access it. It worked fine. but when i tried to host it as a separate website i am unable To access the site. I get the below error "HTTP ...
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159 views

N access point connected to G router

Any issues connecting an N access point via an ethernet cable to a G router? I currently have a wrt54gl router in one room (where it's connected by cables to various devices). I'm usually in another ...
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371 views

Windows XP computer cannot be seen on Network

There is a wired work LAN network with 4 computers on it. The workgroup name is the same on all of them. Three of the computers are Windows XP computers and one is a Windows 7 computer. Not all of the ...
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644 views

LAN in WiFi network and how to get IP address of all the connecting devices

I have two computers at my home and we use WiFi, how to LAN my both the computers? Is it required any special particular device or I need to configure it. Secondly, how can I get the IP address of ...
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320 views

How is LAN diagram/schematic where my cable modem is connected to?

I'm not an IT guy, i'm just home user which know a bit about networking. I'm trying to learn how the connection (LAN) is built in outer side of my home LAN. Here's the diagram : PC ...
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523 views

Not able IPv6-tunnel using miredo for Mac OS X

I have been trying to setup Miredo on OS X 10.7.5 using the Miredo Installer for OS X When Miredo starts after installation, the check box next to the "Teredo Tunnel" is still red and I am not able ...
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2k views

How can I determine the IP addresses allocated by DHCP on a router that I'm connected to?

This "router" is not a typical situation. I'm using my phone as a hotspot and can only configure a select number of DHCP options. I can manage the limit on how many devices/clients can use my phone ...
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36 views

Am I experiencing a hardware or software issue?

I have 3 computers in my network connected to the same router. Computer A - my desktop computer Computer B - Web server Computer C - Mail server and SQL server Everything is set up correctly ...
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114 views

How the switch decides destination is also on the same interface similar to that of source?

[Hello guys firstly this question I myself have migrated from stack exchange to here as networking related questions are not supposed to be asked there. So please don't mark as duplicate. I am the ...
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1k views

Multiple default gateways warning

I'm a little out of my depth on this problem here. I'm getting the warning about multiple default gateways. I'm not understanding where the multiple gateways is coming from. I've gathered the ...
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1k views

How can I find out what is changing my wireless encryption from AES to TKIP automatically?

I have a wireless connection using WPA2-Personal as the security type, and I've set the Encryption type to TKIP. However, without my intervention, the encryption type will change from TKIP to AES, and ...
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304 views

Diagnose wifi problems

First of all sorry for any spelling errors i might have i'm using my tablet. The problem is simple my wifi connection keeps dropping. The wifi signal is full. My home wifi works great this is from ...
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301 views

Cant ping Vbox guest from host but can ping it from other devices on network?

Host OS: Fedora 17 with Virtual Box with IP 10.51.49.6 Guest OS: CentOS 6.3 with IP 10.51.49.13 Guest networking mode is set to Bridged to eth0 on Host but what I cannot do is connect from Host to ...
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511 views

Unable to connect Win7 Ultimate to Win7 Pro

I have a Win7 32 bit PC I am using as a file server with a couple of external drives hanging off of it. I have a 64bit Win7 Pro desktop and a 32bit Win7 Pro laptop that can map to the "file server" ...
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105 views

Penetration testing with WMAP, only for my domain, not the others with the same IP?

My domain got massively hacked, so I'm doing some penetration testing with it using WMAP and NMAP etc. However, I believe it's on shared hosting, so running tests on 182.34.xx.xxx (the IP address for ...
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379 views

iOS: VPN over TCP. Any good service available?

Here's a very succinct description of my situation: I use an iPhone (and an iPad) in an environment where ports other than 80 and 443 are blocked. Therefore, it is impossible to use Siri, Maps, as ...
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172 views

Why can't I access internet via my router?

I have a Linksys E3000 router that I'm trying to set up. I've connected the cable from my ISP to the Internet port of the router, and accessed its GUI via the wireless connection (had no other cable). ...
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138 views

How does a network packet get processed once it reaches the Ethernet Port?

Let's say you have a modern computer with a 1 Gpbs Ethernet port running a standard Linux OS. The system receives a network packet on the Ethernet port. What happens next? How does the packet get ...
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51 views

Which network is accessed is connected when a computer is connected to a LAN & WiFi network?

When a computer is connected a LAN and Wifi network, then which network will the device access?
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54 views

is it possible to update tcp window scaling factor after 3-way handshake by sending a syn/ack?

tcp window scaling factor is notified during 3-way handshake period is it possible to update tcp window scaling factor after 3-way handshake for example, by sending a SYN/ACK with tcp header option ...
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504 views

How to disable/setup same name and same password authentication between two windows PCs on the same network?

My Experiment I set up a simple network with two computers, both on the same work group. I created a local user 'A' with password 'A' on Computer 1. And then I created an identically named local ...
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443 views

How do I gracefully fall back to AutoIP when there is no DHCP service available?

I am developing an embedded device based on Linux and Busybox, and trying to make it adaptable to different network configurations. I want to: 1- At boot time, if there is no DHCP reply, use an ...
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49 views

YouTube being slow (Routing possibilities question)

Other than using a VPN, is there another way of rerouting my connection to YouTube? I have Verizon FiOS with 150/65, so it's not my local connection (Speedtest.net confirmed with different states: ...
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223 views

How can I forward sound output of some Ubuntu virtual machine to my Windows computer?

Is there a way to forward sound output from some virtual machine running Ubuntu to my Windows laptop for example using some sound server (pulse) on Ubuntu and connect to it in Windows?
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1k views

How do I set up multiple access points with a Packetfront DRG700 broadband modem?

I have a Packetfront DRG700 broadband modem (fiberoptic), which also has a wireless DHCP server built-in. In addition I have a D-Link DIR-615 router which is connected by cable to the modem. I want ...
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476 views

How can a PC on 10.x access wireless router in 192.x?

I have a PC on 10.x subnet. there is a wireless router connected to the 10.x main router, and wireless router is using 192.x as it's network IP range, as a way to keep the 2 networks isolated ...
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167 views

restrict private domain computer to connect to other networks if network cable disconnected

i have two networks private and public (internet), each user has two computers, i want to restrict user from switch network cables between these computers, so if he remove the private Network cable ...
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552 views

linux <-> windows network (ethernet) connectivity over usb

problem: I have a linux box that i want to use as firewall for my Windows workstation. it has only one ethernet that is needed for the switch, but no pci expansion slots. So the only option to connect ...
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327 views

Configure D-link WIFI WAP as repeater

I have Dlink DWL - 2000AP+. What I want to do is, to reproduce WiFi signal (from TP-LINK modem) by repeating with the help of a D-Link Wireless Access Point. Here is how web interface looks. There ...
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126 views

Establish SSH connection via SSH tunnel in a single command

I'm trying to connect to one of my internal computers (private ip) using SSH over the internet. The SSH port of that computer is not exposed so I first create a tunnel via a public resource (public ...
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685 views

Using teamviewer VPN to use internet at home?

I've been trying to configure squid to work like this thread* suggested but have been unsuccessful. Teamviewer's vpn is something like 7.xxx.xxx.xxx and it has its own adapter (not part of the local ...