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

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Setting up networking Ubuntu on VirtualBox with Host-Only networking

I'm having difficulty getting host-only networking working right on Virtual Box. My intention is to have all my VMs on 192.168.1.x and my host on 192.168.0.1. On my guest machine, I am unable to ...
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2answers
155 views

Figuring out how many megabytes go into gigabytes?

I needed to figure out how many requests could be made with 1000 GB of traffic if each request took 1MB on average. I quickly did the math on paper, and then as a second thought plugged it into ...
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3 views

Java OSX 1.6 Mac does not connect to network

When using httpclient calls on the network, only Java 1.6 (Java 1.6 065) on OSX does not connect outside of the network. But when connecting to the same URL from any other application, the connection ...
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1answer
304 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
11 views

Configure Raspberry PI Access Point to use RADIUS Apache Authentication?

I made a Raspberry PI into a wireless access point using isc-dhcp-server and hostapd, which is cool. What I would like to do is add a web-page authentication form for the network where I could display ...
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1answer
2k views

How to configure OpenWRT to route IPv6 traffics?

I recently bought a router and flashed OpenWRT, with kmod-ipv6 and radvd installed. I was trying to set up IPv6 connections, but I can only ping ipv6.google.com from the router, not the computers ...
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0answers
11 views

Multiple HomePlug adapters

I bought 6 NetGear HomePlug AV adapters, one for each room, and they all work quite well, there is a loss of about 20-30Mbps, but leaves us with 40-50Mbps which is still good. How exactly do they ...
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0answers
9 views

Network computers not showing up but can still access them

I'm having a weird issue with network discovery. From my Windows 8.1 PC, I can access my network computers by typing in their local IP into the explorer address bar (and they show up afterwards in the ...
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4answers
119 views
+100

Can't connect to network on Windows 7 (Wireless or Wired)

I'm helping a friend that can't connect to the internet through a hard wired connection or through wireless. It's a laptop, that usually connected fine through both. The error is that the WiFi bars ...
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1answer
3k views

Xfinity blocking VPN

I just moved and had to get Comcast Xfinity service. They gave me a Arris Interactive, L.L.C. tg862g. Everything works fine, except I need VPN access for work. When I connect to my work's VPN all the ...
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4answers
3k views

Can't ping between two guest OS in Virtualbox

Host OS: Ubuntu 13.04 VMM: Virtualbox Guest OS1: Kali Linux Network Setting: Adapter 1 attached to NAT Guest OS2: Windows XP Network Setting: Adapter 1 attached to NAT Issue: can't ping ...
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1answer
34 views

LAN adapter works every second time I turn my PC on

I have a really strange problem and I am desperate for help now, since I could not find any solution on the internet. Specifications first: I am using a desktop computer and a router. The router ...
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2answers
785 views

wireless internet connection does not work, wired connection has internet

I am having iball 150M ADSL router I have been using this router for past one year without any problems. Recently I noticed I can browse the internet via this router using a lan wire. When connected ...
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2answers
5k views

VirtualBox guest has no network

I have openSUSE 12.1 x64 host and I'm running Ubuntu 10.04 x86 as guest. My problem is that Ubuntu sees no network at all. I have both tried NAT and bridge setup but I have no interface on the VM. ...
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1answer
17 views

Comodo Firewall blocks Cisco Anyconnect VPN

I am running Comodo Internet Security Firewall (6.3) and trying to connect to work using Cisco AnyConnect VPN client. I can make the connection but can't do anything else, not even ping by IP ...
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0answers
64 views

Proxy PAC Rules - myIpAddress() does not take the right IP

I want to define specific proxy according the network I am connected and I tried to apply this solution, but this line: var ip = myIpAddress(); Does not give me the IP address of my wired ...
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1answer
794 views

No IPv6 with Asus RT-N56U

Consider the following: My ISP have native IPv6. When I plug directly into ethernet port on my motherboard I have IPv6 connectivity, everything is configured automatically, and works fine. But when ...
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0answers
10 views

Connection Oriented Transport Protocol

Does anyone have an idea about a software for Linux that uses COTP (ISO 8073) protocol ? note : software that runs COTP over TCP , doesn't matter what is the functionality of the software i just need ...
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1answer
28 views

Route traffic from local network to VirtualBox host-only adapter

For a test I need to allow routing from my local network to a guest inside a VirtualBox. The guest already have outside access. So far I enabled ip forwarding on my local machine (OSX 10.9) and added ...
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2answers
25 views

Setting up a Basic VPN

Ok so we are a small company, and I am a Partner cum Computer Enthusiast(and hence IT Administrator) at this company. We have two offices, separated 100km. I have purchased a NAS to be installed in ...
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1answer
32 views

For my own DNS server, “dig … @ip-address” works, but “dig … @domainname” does not

I've recently begun virtualizing servers - one of which is a DNS server running BIND 9 on Debian 7. My DHCP server correctly issues it as the primary DNS for the network, but I get the following ...
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0answers
9 views

dhcp.leases file does not get updated sometimes

This is on Centos, using the dhcpd server. Sometimes, when a client gets a lease, the dhcp.leases file is not updated, or is updated late. For example, here's a log from the dhcp server: Jul 27 ...
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7answers
173 views
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Unable to use internet due to suspected DNS malware

I downloaded a midi file on my Windows 8.1 laptop last night. Since then, whenever I open chrome, I get a standard 'Web Page Not Available" error for ALL the sites I try to visit. Firefox and ...
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1answer
179 views

4G Wifi Router vs 4G USB dongle

My service provider is proving 4G Wireless internet connection in two forms: 4G USB dongle 4G Wifi Router According to the person selling the products both offer same speed. The advantage of using ...
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1answer
46 views

What's wrong with my home networking setup?

I have the following home network setup: Ground Floor Typical Wireless router which is connected to WAN/Internet and its LAN IP is 10.0.0.1. DHCP is ON with the address pool set to 10.0.0.100 to ...
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0answers
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How do I delay tcp traffic on a socket?

I would like to test the interactions between a client program and a server program for race conditions. They connect to each other via tcp. The client does blocking calls to the server on multiple ...
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21answers
33k views

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

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 ...
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0answers
16 views

Associating a domain name with web server

I am currently running a web server on AWS and I have a domain name that I want to associate with the server. The server is running nginx on port 80 yada yada but the part I am having trouble with is ...
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1answer
34 views

WHY can't I connect to my Access Point anymore

windows xp wireless stops working after use wired connection I cant see the wireless network in available wireless network list in wireless network connection properties, the use Windows to ...
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4answers
48 views

Can I send a WAN and LAN connection over the same cable?

My home is ethernet wired, with all cables terminating in a patch panel in a box in the master bedroom walk-in closet. I was wondering if I could send the WAN connection into one of the rooms and then ...
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3answers
33 views

What specific roles does firmware play on routers?

If routers properly implement standard networking protocols (DNS, DHTCP, TCP/IP, etc.), then wouldn't the same firmware (implementing these protocols) be applicable to all routers? I guess I'm ...
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0answers
21 views

Setting a static ip in Ubuntu 14 is becoming an all day project today

I've never in my life have had so much difficulty in setting up a static ip. I've researched pass questions on askubuntu.com and have looked up multiple references and documents on setting up a static ...
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1answer
37 views

Diskless Netboot a laptop with a broken HDD

Short question: I need to use a laptop that the hard drive connector is broken with Linux or Windows by booting through the network cable. Full question and background: We have 2 desktop systems and ...
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4answers
12k views

Setup static IP under Ubuntu 14.04 Trusty

How to setup static IP address under Ubuntu 14.04 Trusty? My setting is not working. What special about Ubuntu 14.04 Trusty is that I found it now using the "source-directory" keyword to source ...
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2answers
263 views

How can I use a laptop as a gamepad?

I'd like to be able to use a laptop (or desktop) as a gamepad connected to another laptop. Is there any way this is possible? Google searches haven't come up with anything. In my situation, either a ...
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2answers
123 views

Ethernet (en0) loses IP address when WiFi (en1) starts/stops on OSX

We're using the Ethernet connection as a point-to-point connection to a lighting console and then the WiFi to connect to the main network. The issue is whenever we turn the WiFi on/off the Ethernet ...
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0answers
10 views

Relationship of routers to networks

I was wondering, in networking, what is the relationship of routers to networks? Can the same router be the gateway for 2+ networks? For example, if I have a wireless router at home, can I configure ...
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1answer
3k views

Kali 1.0.5 Internet Connection Problems

I have recently installed Kali Linux and am having connection issues. It says I am connected to the network, but I am not able to access the Web. A Ubuntu 13.04 running on the same machine (dual boot) ...
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0answers
4 views

Bridge OpenVPN LAN adpater and let WiFi AP connect directly to the LAN

I want to share the so far unused WiFi connection on my PC with mobile devices in the house. This works fine if I set up the virtual OpenVPN LAN adapter to be my shared internet connection. If I ...
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0answers
23 views

DHCP letting multiple devices get same IP address - how to trouble shoot?

I am using a win2008 server with AD to also serve DHCP and DNS. I have some wifi AP's that are giving me trouble (dropping connections and generally misbehaving). The issue that I notice is that the ...
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0answers
9 views

Creating hosted network with netsh when having to select the adapter

I'm on Win7. I usually create a hosted network by creating then executing a process that runs netsh wlan hostednetwork mode=allow ssid=MYSSID key=MYPASSWORD keyusage=temporary. So far, no problem. ...
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2answers
37 views

Slow LAN connection on one machine but not another

I am using the same ethernet cable on two different machines and getting two incredibly different results. The following tests were done on a Windows 7 desktop and a Linux laptop. On my laptop, ...
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3answers
69 views

Lost Router broadcasting a “Lost Network?”

So I'm working on a network at this house, and there's two wireless networks being broadcast, both by the last name of the owners implying it is in the house somewhere. The one router I'm staring at, ...
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1answer
19 views

Obtain IP address logging data from firmware? other non-hdd memory?

Is there a way to find a history of internet sites (IP addresses) a laptop / computer has communicated with, without having the hard disk installed? In other words, is this data logged into firmware ...
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1answer
39 views

Unable to access \\machinename\c$ disk guest account by default is set in login

When I try to access a computer I need to administer on the network (\\hostname\c$) I cannot put credentials administrator and password. Instead, I get a default guest account and am unable to change ...
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3answers
3k views

Sharing internet connection from host to virtualized Ubuntu with Virtual Box

I have Ubuntu 11.10 in Virtual Box installed on Windows Vista. I am having a Broadband(PPPoE) internet connection. I would like to use my internet connection inside Virtual Box in Ubuntu. I tried with ...
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2answers
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Enabling OpenVPN in Windows

I'm trying to establish a VPN from my Windows 8 machine to a server running OpenVPN. I have all certificates, key and configuration file set up. OpenVPN GUI works fine and says "client is now ...
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2answers
25 views

Static IP received from ISP, want to assign it to my OpenBSD VM

I have a virtual machine setup with OpenBSD that I am using to for playing around with and I wanted to assign one of the static IPs from the block I received from Comcast to the machine. I have a ...
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1answer
25 views

Ethernet extending

There is a house with internet access, and there is a workshop/guesthouse which has a phone line connecting to the house. The phone line is a copper wire pair, nothing fancy. The challange is to ...
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2k views

How to fix my internet connection/bad ping

First of all thanks for any help! To start with, my internet speeds are bad (3 down and 3/4 up) I can normally play Minecraft with very little lag (me and my 2 bros that play). Recently my Internet ...