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

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Protocol emulation with netem

I want to run some tests over SMB and was wondering if this can be done with netem? The docs make it sound like different protocols can be used but I don't see how. If this isn't possible how can I ...
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Configuring two network interfaces in gentoo using dhcpcd

There are two network interfaces in my system. net0 and net1. Both are in the default runlevels in gentoo. The /etc/conf.d/net file contains Code: config_net0="dhcpcd -b -t 0" and ...
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1answer
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Does connecting to one's computer via local router automatically uses the loopback?

I have a TCP application that doesn't show up on Wireshark. I read it was because Wireshark is not able to sniff Loopback communication on Windows. So, instead of connecting to 127.0.0.1, I connected ...
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netsh advfirewall forbid all traffic except http and only to one ip, but do not limit DNS traffic

I've found: To block all outbound Internet traffic: netsh advfirewall set currentprofile firewallpolicy blockinbound,blockoutbound And found: Allow all type of traffic to some IP: netsh ...
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4 views

How to setup an Asus RT-N66U as a secondary router with VPN client

I have a Mikrotik 450G as my primary router, dialing out over PPPoE. It's my intention to use the Asus RT-N66U to connect to VPNs and to run DLNA. What I am struggling with is how exactly to setup ...
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1answer
19 views

Why is my IP address appearing in the email header even though I am using a proxy server?

When I visited a proxy-check site accessing through a proxy server, I found that my true IP didn’t appear. But in the header of the mail that I sent accessing through the same proxy server, there ...
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6 views

Tomcat Site available through internet

I have a desktop running a tomcat site (jira). When I go to 192.168.1.108:8080 from a device on my network I can see the site. I now want to be able to access it through internet. For that purpose I ...
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13 views

Windows 7 firewall rules doesn't work for FTP server

I have installed FTP server and set up an FTP site on Windows 7. I'm trying to connect to it via a Linux machine but the connection times out if the Home or work (private) networks firewall is on. ...
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2answers
49 views

Does the wireless signal affect the upload/download speed?

I have an wireless router, that share wireless but also LAN cable on my computer. My question is if I turn off the wireless signal will it affect the upload/download speed on the LAN cable? Giving ...
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22 views

Is there a way to connect to a Windows machine from Linux by name instead of by IP?

In my home network, the Linux machines all have avahi installed and can access each other by their hostnames instead of by their IP ping laptop.local But for the Windows machine I could only manage ...
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11 views

Configuring always-on VPN on Android using a server domain name instead of a server IP address

I am connecting to my home Hamachi-powered VPN with my Android (v4.4.x) mobile device using IPSec. The VPN connection is working fine, except that I am unable to configure the connection as ...
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14 views

CoreOS on VirtualBox only works with one adapter at a time

I'm trying to learn more about CoreOS. (I'm not using Vagrant, just plain-old VirtualBox.) So I created a disk using coreos-install. Unfortunately, I can't find my original cloud-config.yaml file, but ...
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18 views

Port Forwarding on DD-WRT-flashed router

As with many other cases, port forwarding is not working properly on my TP-Link WR1043ND router (dd-wrt build 21061), but the issues I am having I have failed to see described somewhere else. I can ...
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17 views

Share network to multiple other ethernet networks

I was wondering whether it is possible to share a network connection to multiple other networks in Windows. I've been able to share it with one other network, but it does not allow me to share it with ...
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10 views

Setting up our existing Vagrant / VirtualBox instance to use VPN when not in the office

I'm currently trying to edit our existing Vagrant / VirtualBox image so that when users aren't within our office network they connect through their OpenVPN connection on the host computer. After ...
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20 views

Websites won't load beside having Connection

Since today I'm not able to load webpages on my pc. This happened after I resumed the suspended Windows. I am connected to my Router via WLan (tried lan, lan via wlan client; no difference) and while ...
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29 views

wifi is not working windows 8.1

I have Windows 8.1 pro installed.I was using wifi on this laptop everything was working fine. However recently I see that Wifi is not working though it shows me the SSID of my network which I used to ...
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10 views

How can I troubleshoot a mobile broadband card?

I just bought an X1 Carbon with a Sierra Wireless EM7345 LTE radio inside. When I turn the system on, it says "Insert a SIM". When I insert my T-Mobile SIM, the mobile network adapter disappears from ...
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Is there a way to control Internet usage on LAN? [migrated]

I have a network with many client PCs. I have to block Internet access for some of the users and allow it for others. Is there a way that can control Internet access, or filter and allow based on MAC ...
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1answer
22 views

Setting up a small network with a redundant WAN setup

Asked on the network stack but referred here, partly because lower grade equipment. Small office and we are trying to piece together a network with our two wans (diff ISPs) a switch and a few ...
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26 views

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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11 views

My VPN trips out my internet connection

When I try to connect my VPN my internet connection seems to trip. I have pinged google.com and my router and everything is fine. I have it connected to Linux Ubuntu also and it is working fine in ...
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7 views

Networking not working on Packer created Ubuntu VirtualBox VM

I'm trying to build a VirtualBox Ubuntu VM using Packer. My image was successfully created and I configured it to use my Wi-Fi (Mac OS X AirPort) interface for bridged networking. However, after ...
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18 views

missing remote desktop on win 7 ultimate

Have a computer running Win7 Ultimate. Having issues using remote desktop as in doesn't seem to exist. Doesn't have the shortcut on the start menu, nor can I find mstsc.exe doing a search on the C: ...
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9 views

CoreOS cluster won't update hosts and is out of sync

I have recently been testing a CoreOS cluster out, running over DHCP, which worked fine and even the cluster migration of fleet units were working properly. Then I decided to set static IP addresses, ...
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How do you tell the linux network traffic control system to apply fair queueing across a set of traffic classes?

I've been skimming the Traffic Control HOWTO and it appears to have SFQ for dividing bandwidth evenly between flows. But my boss is interested in dividing bandwidth fairly (and/or weighted) among ...
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19 views

How to set up a VPN server on Windows 2012 R2 that can be connected from the internet?

I have a Windows 2012 R2 server in my office. It has internet access. Is there a way that can let me to use that server as a proxy server when I'm not in the office. Ideally I hope it can be used by ...
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15 views

port forward from host to libvirt guest virtual machine that is bridged to the host nic

I am having no luck getting access from the outside to a http server running on my network in a Debian virtual machine that was created through libvirt. This what my network looks like: PC1: running ...
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18 views

Cannot setup wireless client between a Digisol & a Dlink Router

I have two routers one is a Dlink DSL 2730 U & the other is a Digisol DG HR 3400 Router/Repeater -l. The Dlink Router is an Access Point with a public IP address assigned to it. On the Digisol ...
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1answer
15 views

Switch connected to router. How to deal with port forwarding?

I have a dsl router which a 8 port switch is connected to it. If I connect computers to the switch how would I manage port forwarding in this setup? is it possible? would it be recommended in a ...
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1answer
34 views

Can I “simulate” a virtual network PC

I have to test a program on my PC that retrieve a path from a DB and then work on files on this path. The problem is that this path refers to \\STORAGE-AREA\etc and in my network there isn't any ...
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1answer
87 views

Is a longer Wi-Fi antenna better?

Is a longer Wi-Fi antenna better? Why do Wi-Fi antennas have different lengths? The question is about the usual (stick-shaped) antennas used in consumer routers and adapters. I have read that the ...
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1answer
7 views

Mac as a wifi hotspot using 802.1x auth

I am trying to use my Mac as a wifi hotspot. Currently, Im running Yosemite on it. The internet connection is through en0 and the local connection is through en1 network interface. Now, I want to ...
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10 views

Does wpa_gui need wpa_supplicant to initialize first to work properly?

I am using Linux on a custom board based on the Freescale MCIMX6Q-SDB (armv71). I installed wpa_gui, a GUI for wpa_supplicant, on the custom board. I'd like to know if I have to initialize ...
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8 views

XenServer Private/External Network in VMWare Workstation

I am learning XenServer and have created a little project for myself that I am having trouble completing. I have a VM AD server in bridged. This has a static ip that is part of my physical network. ...
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10 views

resolv.conf keeps getting overwritten when dnsmasq is restarted, breaking dnsmasq

I'm running Debian Jessie and I'm trying to configure dnsmasq as a caching DNS server. I used a guide to come up with the following /etc/dnsmasq.conf: listen-address=127.0.0.1 bind-interfaces ...
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1answer
36 views

Unable to SSH to internal IP

Read a few related questions here and here. The situation is as follows: assume that I have a computer A and computer B. I am able to ssh to both computers when by setting Port Trigger and Single ...
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ethernet usb adapter ax88179_178a, ARP captured with 62 bytes

While debugging some l2 protocols on an ethernet usb adapter (chipset ax88179_178a) I noticed 2 bytes from Frame Check Sequence (FCS) are promoted to user data. Dump of the arp frame 60 bytes is now ...
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1answer
37 views

How to determine remote PC network address?

Let's say I have two PCs connected with ethernet cable. No NAT, VPN, routers ... nothing, just one cable with two PCs connected to both ends. For example PC1 could have an IP 192.168.1.1/24 (actually ...
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2answers
31 views

I can't find my modem IP at all

Every tutorial I've found so far help me find my router IP but I need my modem IP as well. I have two devices, a wifi router and a dsl modem, not 2 in 1. The ipconfig -> default gateway, returns the ...
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26 views

Install Windows 7 64bit over network

I am trying to get our computers and network setup to where i can re-install (or fresh install) windows over our network. All our computers get set up the same way with the same software. I would like ...
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1answer
1k views

Pinging different IP address than what I entered

Can anyone please explain why CMD pings a different IP address than the one I am searching for?
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1answer
15 views

Restricting certain printers to certain programs

At my place of business, we use desktop PCs as Point-of-Sale units as well as workstations. We have two networked laser printers (standard letter size) in the office as well as receipt printers at ...
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18 views

Network kBit/s drops to 0 intermittently

I am streaming live video to a server on my PC, now and again the video stream would freeze. When looking at the output from nload the network speed seems to drop to 0kBit/s for a second and then ...
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14 views

How can I share the Wireless connection across my LAN, and still access LAN locations

At the moment I have the following setup (all windows 8.1, router: BiPAC 7800N): Generally, 50-60% of the time, I use the router to connect to the internet (1.5mbs), but usually when working I ...
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1answer
20 views

Hide HTTP Destination with a Raspbery Pi

I wanna realize some kind of WebServer or Proxy on my Raspberry Pi that hides the real http requests from any firewall. Following scenario: computer@school --Request--> myRPi --Request--> ...
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1answer
15 views

The best way to setup port forwarding

I have a situation when I want to connect from Windows machine to a web server running in virtual machine in Linux host. For this I would like Linux host to listen on a certain port and redirect it to ...
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1answer
16 views

Windows 7 / VirtualBox / VMWare : DNS : local name fails - not even DNS lookup, FQDN works

My problem in short: Entering http://app01:8084/ into the browser does not find my server. Entering http://app01.my.domain.com:8084/ does work. With the localname Wireshark not even captures a DNS ...
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1answer
51 views

Two routers at home, is there any intrinsic property that could differentiate networks?

I have two routers at home. I shall call them A and B. Both are capable of both wired and wireless connections. I have disabled wireless features on A, and connected B's uplink to A's downlink. I did ...
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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 ...