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

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96 views

Bridged routers - can route one way but not the other

I have a SKY router (D-Link DSL-2640S) which is my main router and a TP-Link TL-MR34220 which is connected wirelessly to the SKY one. I have OpenWRT on the TP-Link. I have a Raspberry Pi and a WD ...
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55 views

Create a Osx Server VPN inside BTMM

I've set up BTMM between a group of computers, one of which is a OSX server sitting at home. I know I can use SSH port forwarding to access something inside my network, but is it possible to use my ...
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58 views

connecting 2 or more virtualbox vm's to the internet without connecting them to each other / or to the host

I am trying to build a lab environment, for testing an openVPN network between a 2~3 virtual machines. In order to do so, I want to setup the connections (virtualbox network adapter) of each VM to ...
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59 views

SSL not work for virtual IP

I have a website which was deployed with three real web servers and a load balancer with a virtual IP. I have applied an SSL certificate from a CA and imported to Tomcat using OpenSSL using the ...
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62 views

SSH connection between 2 Ubuntu VMs with ObenNebula

I need to connect to Ubuntu 12.04 VMs via SSH, but it doesn't seem to work. I've gone through all the steps that seem to be OK for setting it up. First, I installed one Ubuntu VM, updated its ...
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65 views

VMware - client isolation

How do I create VMs using VMWare Workstation that are connected to the internet but isolated from each other? These are the characteristics of these VMs: From the internet, the VMs appear to be ...
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96 views

Set IP Address based on User Name

So I have a script from my old XP installation that sets the IP address based on what the username is. Here is the script: 'Get Username set objNetwork = wscript.CreateObject("wscritp.network") ...
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52 views

In an IP filter, where does the IP I'm trying to block goes: source or destination?

I'm trying to block a certain site/ip-address (http://122.160.230.125:8080/vta/redirectedPage.do) from opening. I figure (?) that if I could put 122.160.230.125 in my router IP Filter settings I ...
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616 views

Behavior of DHCP-client

This is a question about the Internet protocol standards. The DCHP-client (dhcpcd-5.2.10 from Android 4.x) initializes an interface The DHCP-client sends a DHCPDISCOVER message DHCP-server sends a ...
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49 views

How to configure the physical machine and virtual machine?

If I want to transfer data between the physical machine (windows operating system) and virtual machine (Linux real time operating system). Could anyone please explain about configuring the data ...
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173 views

Connecting to a VPN server through another VPN server

My question is strange, but once you understand my meaning you'll know why I asked. I work at a web development/hosting company and we have dedicated servers hosted by a third party in Dallas ...
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68 views

Routing error to WINS name without .local

I'm having a weird issue on the network. all windows PCs behind the main router, XP, win 7 and win 8 are routing an adress incorrectly, to what looks like an external ip. The machine, a netgear ...
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199 views

Linux routing: connect to VPN but still make services (e.g. Apache) accessible via ISP-assigned ip

I have a pfSense firewall sitting directly behind my cable modem. On my lan, among other things, I have a linux (Mint 13) box running apache. I have a port forwarded from pfSense to my linux box and ...
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174 views

PC is not detected in network

One of my windows XP PCs cannot be accessed from any other PC in the network.The network is configured by using Workgroup. If I access PC by using pcname from Run such as \\pcname\, an error comes ...
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699 views

PXE Netboot from Windows 7 PC using TFTP32 E32 Timeout Issue

I am trying to netboot a PC with no CD Drive and no USB Booting options (Available in BIOS but does not recognise USB, broken perhaps somehow). Anyhow here is the log from TFTP32: Rcvd DHCP Discover ...
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42 views

Windows 8 machine with 3 NIC functioning as a switch

I have a workstation with two machines and one LAN port. a mac mini a windows tower with Win8 and 3 NICs How can I set up the windows machine to also function as a switch so that I can run a cable ...
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398 views

Map network drive to cloud storage?

My company currently shares local documents using a network drive. Every Friday, I have to send a specific set of these local files to another branch of the company in a different city. Is there a ...
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51 views

Make a bridge on my mac

I have a Mac with WiFi connected to a router, internet works just fine there. I also have a PC with Linux Mint, and no wireless network card, so I connected them with a cable one to the other. Have ...
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26 views

Using custom-defined IP address vs DHCP on Different Networks

On Mac OSX, is it possible to let the computer obtain a specific IP address (192.168.1.123) on wireless network #1, and let DHCP assign it a dynamic IP address on all other wireless entworks?
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884 views

How can I add a Bonjour printer manually or via a different protocol in OSX?

There are 6 macs on my home network, 2 of them on Mavericks. The 10.9 macs cannot see my cannon MG5200 that is connected to the router via WiFi but the others can. I experienced this problem with my ...
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429 views

Reverse SSH tunnel - Fails on Certain Ports

I'm trying to forward very specific ports using a reverse SSH tunnel. MachineA is the target machine (the one the command is being run from) and MachineB is the tunnel (the one SSH is connecting to ...
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108 views

Is there a trickle-like tool to set IP ToS?

I've set up my router to traffic shape using the ToS field, but not all bandwidth-heavy programs set an appropriate value. So I need a way to set the ToS for the traffic of an arbitrary program. Is ...
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105 views

I have 4 Ethernet RJ45 ports which were limited to 200KB per second. How to use all 4 ports to speed up my network connection?

I have 4 Ethernet RJ45 ports under my desk. The speed of those ports were limited to 200KB per second. Is there a way to use all 4 ports to speed up my network connection? What I want is 200KB X 4 = ...
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777 views

How to setup a router to use a 10MBps dialup connection

I have a broadband connection from a lesser-known ISP. Probably this is a problem with the ISP, but here it goes. The ISP just gives a Cat 5 2 pair wire cable that comes into my home. When I connect ...
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276 views

Terminating OpenVPN after disconnect - how to disable reconnecting

I want my OpenVPN client application (running on A) to quit when it is unable to connect (or reconnect) to a server (B). I use the UDP protocol. Both A and B are Linux systems. More precisely, I keep ...
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2k views

VLC playing vid over samba stuttering?

This is sort of an open ended question, so any recommendations will be appreciated I have a ubuntu box as my main server and I stream video on my mac since I can't carry my server box upstairs This ...
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63 views

How can I scan for only the third octet of an ip?

I want to be able to scan my companies network for all the cameras that may have been forgotten. I know that the cameras all use the same first, second, and fourth octet but the third changes. Is ...
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733 views

Mounting any Windows share from OS X 10.7.5 suddenly stopped working

I have problem with mounting Windows network shares from my OS X 10.7.5 - it worked but it stopped and nothing helps and nothing in logs. Here what I get when trying to mount it manually: mount -t ...
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770 views

What does “Turn on automatic setup of network connected devices” mean?

My Windows 8.1 has the setting "Turn on automatic setup of network connected devices": What exactly does this setting mean? Why would I want it? I have been unable to find any useful information ...
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375 views

What does network connection duration signify?

What does the connection duration signify? It always seems to be some random amount of time independent of when I actually connect to or disconnect from a network. For example, I just connected to my ...
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112 views

How to secure port forwarding on AirPort Extreme

I have a small home server to share photos, blog, videos, etc. with family and friends around the US and Western Europe. Of course I have seen evidence of malicious scanning against my ...
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22 views

i am not able to connect to the application hosted on port 80

I am trying to access an application that is hosted on port 80. When i try the url from my personal computer , the site is not reachable but the same url on the server( which hosts the application) i ...
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1k views

Some sites won't load on Ubuntu/Mint

I have a REALLY weird problem with either my network or my OS. Last week I've suddenly had difficulties loading some websites or even more odd some parts of different websites. For example, I could ...
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1k views

Can't stream videos even though I have fast internet

For some reason, despite having an internet connection that should easily handle it, I seem to be unable to stream HD videos from beginning to end. Specifically, I usually attempt to stream videos ...
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149 views

Configuration of a nested router

There have been several questions regarding setting up wireless access points or bridges, but none that I can find which plainly describe how to set up a "nested network" in a residential setting. I ...
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180 views

IP address handling with Windows 7 built in VPN

I have a VPN set up using Windows 7 built-in VPN (both the server and client are using Windows 7). It all works fine - I can access all the computers on the remote LAN using VPN and see the network ...
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662 views

Virtual Box Networking; How to configure bridged networking on Windows 7

I have VirtualBox on Windows 7. I have two virtual machines running RHEL, that work fine when the network is set to NAT. However I want to change the network adapters for the VM's to bridged in stead ...
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268 views

Setting up a wireless bridge with OpenWrt

I want to connect my printer to my local network (10.20.1.1) but there's no cable running to its location. So as a solution I want to put a router next to it, connect that router to the local network ...
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512 views

150mbps cable internet, but only for some PCs

I just got 150 mbps cable modem service. I have a Netgear R6300v2 router, a Motorola SB6141 cable modem, and a Netgear GS605v4 switch. I have a Sony VAIO laptop that when hooked up to the modem ...
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349 views

What does IPv4 Connectivity = Not Connected mean in Windows?

What does IPv4 Connectivity = Not Connected mean in network connection properties in Windows (Windows 8 Professional)? How this state can be achieved? I need answers on exact questions if possible ...
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395 views

website blocked by netgear firewall

I have a Netgear DGN10000 supplied by Virgin Media in the UK. It is running the latest firmware (V2.1.00.25_VG). For some reason it appears to be blocking all URLs which contain "microsoft.com" ...
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158 views

Ethernet connection dropped, still shows unplugged

I was using my Windows 8 desktop when it randomly defaulted to using my wireless connection. I was watching videos online at the time, and nothing was near the tower itself. Since it has gone down, I ...
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157 views

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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4k 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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515 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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1answer
288 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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349 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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549 views

Some sites extremely slow! How to determine if its IPv6? and disable it?

My internet is extremely slow on some sites, the famous ones. Google, Facebook, etc. But then, the very next minute, they are superfast. I got to know from somewhere that this is due to clogging and ...
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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 ...