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

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Why does a radio stream not appear on a packet monitoring tool?

I am currently trying to find the URL to the audio stream for a webradio that only provides a flash player, that I would like to use with MusicBee's radio player. After using Wireshark to monitor my ...
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35 views

Can I connect to a remote desktop computer to make a call using a home telephone landline number?

I am living in country B, I own a residence in country A where my family lives. There is a desktop computer that I remotely access and use through TeamViewer. Can I use that computer to make calls ...
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32 views

Making home server available from internet

I'm trying to configure router to make my home server available from internet. I would like to have 2 services(ssh and web-server) visible from outside. They are available from inside as: 192.168.1.X ...
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32 views

System-wide DNS lookups over SSH tunnel

IT has the lab locked down so I cant do apt-get updates or install any packages on the Ubuntu machine. We have a Windows RDP desktop that has limited internet access. I have an SSH server running on ...
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20 views

Can I have server and client on the same machine and run network bandwidth test using iperf?

I have two ethernet ports (eth0 and eth1) on my system. I've tested the bandwidth with two systems and got ~940Mbit/s. If I use one of the ports as server and the other as client, I always go through ...
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170 views

cannot access network shares on domain - export all network settings in windows 7 for troubleshooting

I am on a domain computer running Windows 7 Enterprise. I am having trouble accessing network drives and network shares (including network printers). I am able to access the internet fine. I have ...
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47 views

How do I get a client to LAN VPN connection setup on a TL-ER6020 TP-Link Router using a shrew soft client?

I followed the guide on tp-links support page and I have attempted to call customer support to get this set up. When I try to connect the client, I get the following output: config loaded for site ...
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19 views

How to debug when a router refuses to route for one specific device?

Sometimes one device on my network cannot access Internet or even get as far as the immediate gateway after router. The problem is OS independent since it happens on both Linux & Windows. I ...
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46 views

Can Windows Firewall be hole punched?

If you send a packet to someone's router, it will most likely be rejected by either the router firewall or the router's NAT (if no port is forwarded). However, for a short time, your router will ...
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26 views

different behavior: “sudo nmap” vs just “nmap”?

I'm attempting to do a simple port scan with nmap: $ nmap 192.168.56.101 Starting Nmap 6.47 ( http://nmap.org ) at 2015-03-10 19:30 IST Nmap scan report for 192.168.56.101 Host is up (0.0048s ...
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23 views

Local network shared drive with caching

I would like to set-up a shared network drive across a local network, with offline avalability (caching). Basic folder syncing is not working in this case, because it does not ensure synchronization. ...
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15 views

Prevent computer from connecting to outside LAN networks

I'm looking for a solution like Restrict Computer from Connecting to Outside Wireless Networks that would also work with wired connections. We have a consultant in our company that sometimes works ...
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35 views

Why is “whois” timing out on my Mac's terminal but apparent working fine in Network Utility?

I'm running Mac OS X 10.10.2 (Yosemite) and when I do the following in “Terminal,” my request times out: > whois google.com whois: connect(): Operation timed out I also downloaded jwhois with no ...
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20 views

Redirecting a local network path to the local disk

I have a computer in a network that automatically tries to open a local network path, like: \\bbserver\storage\dir I would like to redirect this network directory to my local hard drive, so that ...
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12 views

Two program on different VMs experience reply timeouts unless pinging

I've encountered a very odd issue. I've got 2 VMs, each running an identical program (a pub/sub middleware). The programs have to communicate by sending an event from and to each other. The program ...
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26 views

How to connect remotely from Windows to a Vagrant instance?

Is there a way to connect from my windows pc to a vagrant instance running on my mac which is on the same network? Ideally I would like to use cygwin or something equivalent
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37 views

Can't access static IP ubuntu server

I am running an Ubuntu server 14.04 LAMP server within Hyper-V. When using DHCP, everything works. The moment I change it to a static ip by modifying the contents of /etc/network/interfaces to ...
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21 views

Add External Internet Route to Existing (VPN based) Network

The situation is as follows. A remote site is connected via VPN router to the "mothership." They now have their own high speed internet connection that they need to use for external internet tasks ...
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57 views

Multiple Gateway, for VPN and Internet

I'm pretty new as a system administrator and I've got a problem to deal with in my company. We recently got a VPN and it is working great, I already tested it and all is good. Now in my main site, ...
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18 views

VirtualBox: create a serial port bridge to the same VM

I'd like to make a bridge between Serial Port 1 and Serial Port 2 on a VM. Practically this would route all data from VM Serial Port 1 back to VM Serial Port 2 so that an application listening on ...
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64 views

Connect to SQL Server. Error 26 : the type initializer threw an exception: error locating server instance specified

I have a SQL Server 2014 Express installation. It is configured for Remote connections TCP is activated mixed mode Authentications are allowed and the server firewall is deactivated My program ...
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78 views

Connect two subnets over dd-wrt router

I would like to connect a static IP subnet over a DD-WRT router to another subnet. My setup 192.168.22.2 PCs with static IP connected via LAN to 192.168.22.1 DD-WRT Router connected via wifi to ...
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57 views

Raspberry Pi has weird network connectivity

Got a Raspberry Pi recently and it was fantastically easy to use while it was connected to my network via Ethernet. Now that my WiFi dongle (NETGEAR N150) has arrived it's a bit more fussy. I'm ...
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26 views

How to set up router to always redirect users to a website?

I'm trying to set up a Linksys E2500 to only allow access to two webpages. Both pages are on the same domain (e.g. www.foo.com and blog.foo.com). I've flashed my router with DD-WRT firmware for ...
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Ekiga softphone shows as “registered” — but is it actually?

Is Ekiga actually registered? How would I know? I think Ekiga connects, or at least it says "registered": But, when I exit Ekiga, and use SFLphone, it fails to register: While sipsak shows a ...
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16 views

Connect 2 physical machine drops Internet connection

I have 2 physical machines, with 2 VM on the first physical. I have been trying to connect 2 physical machines via RJ45 and give internet to the "lan" via NATting RNDIS on one VM (gateway) and routing ...
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47 views

How to find out where my https traffic is being blocked

I have a network of machines around the country, connecting via https to a cloud-based server through cellular modems. Only one machine has a problem connecting. When I run nmap -p 443 ...
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52 views

Why am I unable to reconnect to a Remote Desktop?

I have some home media services like pyTivo running on my Windows XP machine, but they only run when I'm logged in. While I'm on my Windows 7 machine, and I use Remote Desktop to control my Windows ...
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59 views

How to calculate bandwidth usage for RDP

I'm looking to calculate the actual amount of data sent and received for RDP for a given session. Just trying to figure out, given a typical hour or day of usage, how much bandwidth I would use if I ...
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22 views

Two wi-fi adapters?

Suppose that I have a laptop with inbuilt wifi adapter, then I connect another wifi usb adapter to it(say TP Link TL WN 721N) and installed it's driver. I, then run the command "netsh wlan set ...
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63 views

How to run VMWare and VirtualBox on OSX with Bridged Networking

So here's the issue. I'm running OSX Mavericks as host OS. I've had VirtualBox for a while, and I typically use bridged networking for the VMs I run on Vbox. Had no problems there. I recently ...
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143 views

cisco vpn client driver error

Hi I am a Windows 7 enterprise ed user, trying to connect to Cisco AnyConnect secure mobility client and It gives out the "VPN Client driver encountered error" Followed by unable to establish secure ...
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My router somehow started blocking Gmail Chat

I have a home router running OpenWRT. I just went from having my Mac Mini wireless-ly connected, to plugging it in directly to the route via ethernet. Now my gmail chat has stopped working. I'm not ...
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73 views

How to find password on a router (cabled) without a hard reset? brute-force only option?

So I've seen a few post like that on here but none seem to work in my case short of brute-forcing but I've never done it before so I want to be sure of what I'm doing first. Alright here is the deal, ...
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22 views

Change HTTP/S ports in OS X Server?

I am setting up OS X Server on a local computer (for managing a few devices.) I contacted my ISP to allow me to set up port forwarding, and they said that incoming ports 80 and 443 are disabled. Which ...
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23 views

SMB response, STATUS_INSUFF_SERVER_RESOURCES

I have a Windows 7 vm running in VMWare workstation, it has 4 cores and 4 GBs of RAM assigned. Currently 3 clients connect to this windows 7 vm to access a shared folder. I noticed when the clients ...
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16 views

How to boot Solaris from network (using Windows 7)

Currently I have a single Board Computer: Themis USPIIe-USB™ 6U VMEbus computer board based on the Sun® Microsystems 550-MHz and 650-MHz 64-bit UltraSPARC® processors. Currently it boots from an ...
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58 views

how to capture “DROP”ped packets on OUTPUT of iptables?

having a fairly complex OUTPUT processing on iptables, how does one go about capturing / displaying (at least similarly to how tcpdump captures them) the packets that were to leave through an ...
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34 views

How to verify internet connection in Linux?

I try how Linux verified if it is connected to the Internet when connected to a captive portal . Without success. I create an W.A.P and i setup a captive portal. My windows client automaticly open my ...
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22 views

why cisco VPNC work on the second time each time and not on the first time

I use the vpnc ( cisco VPN that installed on linux red-hat 6.X ) and the vpnc.conf file look like this more /etc/vpnc.conf ## generated by pcf2vpnc IPSec ID Comvwde IPSec gateway 217.118.6.7 ...
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10 views

Unwanted routes appear after reboot

I installed Debian Jessie on my laptop. I used the ethernet port. I installed the drivers for wifi, and verified that the wifi worked. I disconnected the ethernet and rebooted the laptop. I indeed had ...
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56 views

VMware vmnet2 routes collide with en0

I am getting the following error when starting a vagrant box: gajus:vagrant gajus$ vagrant up Bringing machine 'default' up with 'vmware_fusion' provider... ==> default: Checking if box ...
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59 views

Windows 8: Ping Result : General Failure after disconnect from vpn

In Windows 8 When i connecte to the vpn and then disconnect from it, i get general failure. PING: transmit failed. General failure. the routing table are: Network Destination Netmask ...
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97 views

Internet Connection Sharing with Wireless Hosted Network (WHN) is not providing a DNS server for WHN clients

On Windows 8, I'm using a wireless hosted network with ICS. I have one interface connected to internet, and my WiFi interface as a wireless access point. The interface that is connected to internet is ...
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111 views

ERR_CACHE_MISS error on multiple machines (OSX and Windows)

I'm getting an error across a couple machines at times when I try to connect to the internet via Chrome. I type the address in, the browser says "Unable to connect to the internet", and in the ...
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59 views

Intel gigabit ethernet teaming - Which option should I pick, and how do I get it working?

I have an intel 82579V gigabit ethernet adaptor built into my motherboard, and it supports 'teaming' - a feature that lets me use more than one ethernet adaptor together. I'm not entirely sure if its ...
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63 views

Using OpenWRT as DNS server

Trying to use OpenWRT as a DNS server for local names. i have set my adsl router up as dhcp server and using the OpenWRT router as the primary dns server with google (8.8.8.8) as the secondary DNS ...
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33 views

Linux IP aliasing with single DHCP and single STATIC IP address

I'm working on an embedded system with a single physical ethernet device. Using aliasing, I'd like the device configured such that one static IP address (call it s.s.s.s) is ALWAYS available. The ...
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38 views

File capabilities (setcap) not being applied in Linux Mint 17.1

I've been trying to get an application to run properly, but it seems to be unable to find any network interfaces. It is designed to run without administrative rights, and so requires specific file ...
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73 views

Windows 8.1 uable to achieve full gigabit speed

Recently I had to replace my home router (TP-Link 1043ND) with TP-Link Archer C7. Newer one, to my big surprise, doesn't support jumbo frames but old one did. This casued a problem as I had to turn ...