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

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What is the difference between NAT / Bridged / Host-Only networking?

VMWare: What is NAT vs. Bridged vs. Host-Only?
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3answers
226k views

What is the Teredo Tunneling Pseudo-Interface?

I am running Windows 7 Ultimate, and when I do ipconfig /all in the command prompt I get, in addition to the Ethernet adapter Local Area Connection that I expected, something called Tunnel adapter ...
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8answers
16k views

How can I join two simple home networks together using an ethernet cable?

I want to join two different home networks together like so: PC A1 PC A2 PC B1 PC B2 \ / \ / Gateway A ...
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6answers
38k views

Why does just splitting an Ethernet cable not work?

I thought the Ethernet is logically a one-line communication bus (for argument's sake, I am excluding hubs). All machines attached on the bus hears the same signals and the machines themselves try to ...
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2answers
125k views

Difference between Ethernet splitter and switch

I have one Ethernet port that is wired directly to the router on another level. However, I want to run a desktop and a server both off this one Ethernet port. Can anyone tell me the difference ...
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13answers
17k views

Visual Network Topology Map?

If I have no idea of the current network setup, and I'm connected to the LAN - is there any GUI that could possibly identify nodes visually or give me any sort of insight? I'm looking for a more ...
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2answers
30k views

How can I change the default website connection timeout in Chrome?

I want to change the default timeout in Chrome. In Firefox I can set the value of network.http.connection-timeout in about:config - but how can I do that in Chrome?
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8answers
168k views

How to bypass web URL filtering service to access blocked websites (proxy)

I'm using network, where services such as Gmail or any other e-mails, Google Drive, Dropbox, all social networks are blocked. Basically my goal is to access simply GMail, but I couldn't find any way ...
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2answers
7k views

How do you get loopback addresses other than 127.0.0.1 to work on OS X

According to everything I read, the entire 127.x.x.x subnet should loopback. However, on my Mac, I can only ping 127.0.0.1 I know I've done this before (though possibly on another OS) and has come ...
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7answers
7k views

Can a huge coiled LAN cable have some trouble for transmitting a signal?

Let's say I have a long (> 30m) LAN cable, that connect two (very close) devices. Could some of the unused wire, disposed as a huge coil, cause any issue ? I'm thinking about the special wire layout ...
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5answers
72k views

Microsoft Remote Desktop Bandwidth Usage

I am wondering how much bandwidth in terms of bytes sent/received is consumed by a typical remote desktop session. I need to know this because our ISP enforces a cap on monthly bandwidth usage (i.e. ...
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1answer
81k views

Unable to access most internet sites error DNS_PROBE_FINISHED_NXDOMAIN

I have problems accessing most websites, only a couple work (grooveshark, google, facebook). On almost all others I get errors. Here is what I got using different browsers: Opera: This website is not ...
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4answers
16k views

What happens when two computers on the same network have the same MAC address?

I was reading an article on WEP cracking, which said that filtering MAC addresses was not enough, since there are tools to change what the computer reports as its MAC address. This made me wonder ...
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2answers
39k views

How to block all traffic but one IP in Windows Firewall?

I'm trying to use Windows 7 firewall to block all outgoing and incoming traffic, from all IP's and for all protocals, except for UDP to and from one particular IP address. The reason why is because ...
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5answers
67k views

Pinging a machine on my local network gets an 'unreachable' response from my own IP address?

Edit for future readers who get here from google: This question is now the top google result when searching for 'destination host unreachable from my own ip address'. If that's how you got here, then ...
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2answers
109k views

How to monitor bandwidth use of each device on wifi network

I have in my home a standard Comcast cable internet connection. I have it going from the wall to a cable modem, and from the modem to a late-series Linksys router, which provides wired and wireless ...
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5answers
38k views

Force programs that do not specify proxy settings to use a proxy (ie: Steam)

My school requires a proxy for all internet access. If you want to use the internet, it is impossible to not use a proxy. This makes it a problem for many programs that don't seem to let you enter ...
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4answers
23k views

Is it possible to boot from an ISO over the network, and how?

I have a machine with a bootable ISO stored on it, and I have another blank machine, which I want to install the ISO on. They're both on the same LAN (attached to the same switch). How would I go ...
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5answers
17k views

How to set the Windows network timeout for physically disconnected mapped drive?

When a network drive (net use) is physically disconnected, Windows Explorer (and other programs) keep trying to enumerate and/or use it for maybe 60 seconds. Is there some way to reduce this timeout ...
17
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5answers
11k views

Ethernet vs TCP vs IP?

What is the difference between Ethernet, TCP, and IP in simple (simple abstract) terms? Please do not copy from Wikipedia...
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8answers
122k views

What's the difference between intranet, extranet and internet?

What's the difference between intranet, extranet and internet?
17
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1answer
2k views

Pinging different IP address than what I entered [duplicate]

Can anyone please explain why CMD pings a different IP address than the one I am searching for?
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6answers
2k views

Will the ethernet pull bandwidth if unplugged?

I'm fairly certain that this isn't a problem, but like a phone charger it will still pull electricity even though you aren't charging anything if you leave it plugged into the wall. Though minimal it ...
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12answers
2k views

What is the most practical security method for a home wireless network?

Quoting Ars Technica: Proper wireless network (802.11a/b/g/n) security is quite simply out of reach for most organizations. ... Given that WEP (both 64- and 128-bit), WPA1/2 (PSK), and ...
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4answers
32k views

When concurrently connected to wired and wireless ensure Windows 7 uses wired connection

When I am at my desk and my laptop is in its docking station I want to ensure that it uses its wired connection and not my wireless network. I am hoping/guessing that the preference in connection is ...
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4answers
13k views

sshfs mount without compression or encryption

I am a very frequent user of sshfs for mounting various disks over the network. I do however have a very small machine (with an atom processor) from which I need to mount a directory using sshfs. Is ...
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5answers
3k views

What is the actual IP address of my computer

I am testing out to see whats my IP address but depending on which website I used , I get different IP address . I am using a router If i use this , My IP address is If i use this , My IP address ...
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5answers
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How to tell Windows 7 to ignore a default gateway

I currently have 2 network cards in my PC -- one connected to an internal network on a router with a disconnected WAN port (10.x.x.x), and one connected to the internet through a consumer router ...
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4answers
44k views

How do I tell Windows 7 to trust a particular network location?

How do I tell Windows 7 to trust a particular network location? I'm not sure how to elaborate from the title of the question! I keep getting popups aka "this location is not trusted". I've mapped a ...
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4answers
22k views

How to sniff for wireless MAC addresses in area - My laptop got stolen

A few days ago my apartment got broken in, and they took all the electronics, including my $1500 laptop. We are pretty sure it's an inside job (as in someone from the same building), so I believe ...
17
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2answers
690 views

What is a hostname?

I'm setting up a Fedora 15 box in my local network. It's going to have Internet access and share media stuff like photos. In one step of the installation process it asks for "hostname", what could ...
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3answers
102k views

How do I join a Windows 8 PC into a domain?

How can I enroll a Windows 8 PC into an existing domain?
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2answers
8k views

Does All LAN Traffic Travel Through A Router

I have a very simple question: if I have a router (DHCP enabled - leasing IP addresses between 192.168.0.2 and 192.168.0.254) with a switch plugged in, and I plug two computers into the switch, will ...
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6answers
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Share single iTunes library across multiple computers

I have a large (> 2TB) iTunes library of music and videos that I keep on a Drobo connected to an Airport Extreme base station so that I can access it wirelessly from my MacBook. This works great for ...
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2answers
8k views

How to start networking on a wired interface before logon in Ubuntu Desktop Edition

Problem Ubuntu 9.10 Desktop Edition (and possibly previous versions as well, I haven't tested them) has no network connections after boot until at least 1 user logs in. This means any services that ...
17
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3answers
9k views

Which home router support IPv6?

Which routers suitable for small/home networks support IPv6 as described in the Microsoft document IPv6 Support in Home Routers? Edit: to answer some comments wondering about the reasons of wanting ...
16
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21answers
53k views

How can I send super large files directly to another computer in the Internet for free? [closed]

I regulary need to transfer very large files (30 GB) to my friend - financial statistics. I don't have any problem with bandwidth: it is very broad here. I did some research in the area, so: 1. I ...
16
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9answers
52k views

Finding other computers on network over command line

I've got a handful of Macs on my home network, and shell access to only one of them from the outside. How can I figure out what IP address of the other machines are?
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7answers
19k views

What interesting uses for IPv6 are out there? [closed]

IPv6 is reasonably easy to setup these days via 6to4 tunneling, but once done, what does one do with it? What interesting services are out there already using IPv6 or providing exclusive features over ...
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5answers
29k views

How does Windows 7 decide which route to take if 2 connections to an internet source exist? (e.g. a Wireless and an Ethernet one to a router)

How does Windows 7 decide which route to take if 2 connections to the Internet exist? (e.g. wireless versus wired)
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2answers
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Does https encrypt URLs, too?

This is fairly easy. If I go to https://webserver.com/someurl?a=b, will the someurl?a=b part be protected, or just the contents of the site?
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3answers
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IPv4 vs IPv6 priority in Windows 7

I have IPv6 connectivity through Hurricane Electric tunnel. Since IPv6 day this year, many services (google.com, facebook.com, etc.) enabled IPv6 on their main domains. On my Windows machine, IPv6 is ...
16
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2answers
15k views

How to get VirtualBox VMs to use host's DNS?

I use VirtualBox for my VMs. My office network setup is wireless, i.e. I connect to my company's WiFi network, which has a local DNS to resolve local names (such as something.mycompany.com going to ...
16
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3answers
10k views

What is the purpose of a Windows Workgroup?

In Microsoft Windows, what is the purpose of a Workgroup? I understand that a Domain allows the administration of security (user names, passwords, file access, etc.) to be centralized. But what does a ...
16
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2answers
15k views

Simulating a low-bandwidth, high-latency network connection on Linux

I'd like to simulate a high-latency, low-bandwidth network connection on my Linux machine. Limiting bandwidth has been discussed before, e.g. here, but I can't find any posts which address limiting ...
15
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7answers
18k views

Why is it bad to have open ports?

Here's something that has always baffled me. Why is it bad to have open ports on your computer? Assuming you don't have a virus on your computer or some other program listening to a port that may ...
15
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4answers
69k views

How do I unmap a disconnected network drive in Windows 7?

The drive is disconnected, and I'm off the network. How do I unmap the drive? This seems like it should be a simple procedure, but I'm missing something. My Google-fu is weak today...
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7answers
16k views

Ethernet and networking speeds as “500 Mbps Gigabit”?

I am quite confused with networking and speeds and such. I want to buy something so its throwing Google off - if I type in the keywords I just get websites selling the products I want, not information ...
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4answers
14k views

Change VirtualBox DHCP to issue 192.168.x.x adresses instead of 10.0.x.x adresses?

I have a VirtualBox (v4.1.8) VM that is automatically assigned with an IP in the 10.0.x.x range via DHCP. Can I change it to use the 192.168.x.x range instead?
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9answers
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Why do I only get 300-400 Mbit/s on my 1000 Mbit/s network?

My setup is like this: Laptop <--> Router <--> Desktop They all support gigabit Ethernet. I'm using the 'iperf' TCP/IP benchmark on the laptop and desktop, and I've never gotten more than 400 ...