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

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9 views

debian create wlan hotspot: Also from a VM?

I am looking for a way to create a WLAN hotspot from a debian system. I already found some tutorials. EG: hotspotd youtube video But: They are not working. A hotspot is created but I cannot connect ...
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11 views

Route specific hostname to local IP in PPTP

I have no idea how to phrase this question but I am going to give it a shot. Is it possible when, user X is connected to the VPN at 123.456.789.012 to route the URL: http://intranet/ to a local IP ...
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1answer
22 views

Firewall filter rules and traceroute

I'm trying to learn how it all goes in networking. I have a working network done by some specialists and I bought new Mikrotik router and done a new LAN in which I want to do some trial&error. So ...
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27 views

XenServer - Use OpenVSwitch to mirror traffic from one VM to another

XenServer 6.5 SP1 & OpenVSwitch 2.1.3 I need to mirror traffic from one VM to another. I have enabled promiscuous mode on the PIF and VIF. Using the following command, I can mirror the traffic as ...
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51 views

Problems with connecting to internet, except for Internet Explorer, OneDrive and Office

Since a few days or so, I have a problem with internet connection on my Windows 8.1 Lenovo laptop. Connecting to Wi-Fi works fine and I can also browse the internet using Internet Explorer - also ...
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29 views

wired ethernet from wifi, using AP router

I want to connect my device that only have a rj45 port for wired ethernet and nothing else. I have several wireless routers at hand, from several manufacturers (dlink, TPlink, etc) my plan was to ...
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31 views

Connect to a virtual machine from host as if it was another network machine

I have a virtual machine on Oracle VirtualBox, hosting Windows 8.1. My desktop is running Windows 10. I would like to access the virtual machine from the host, as if it was another machine on the ...
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29 views

Network devices down suddenly

This is a home network with many wired and wireless devices. Yesterday I plugged in a bad CAT5e cable (Orange/White and Orange - Tx- & Tx+) were crossed. It seems I lost all internet access for my ...
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29 views

Intermittent slowness with apache web application interesting log findings (169.254.230.252)

IP Config OF SERVER C:\PHPPOS\php>ipconfig /all Windows IP Configuration Host Name . . . . . . . . . . . . : POS-4 Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : ...
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0answers
16 views

Ralink 5370 interfering with Wireless connection

I just bought a Ralink 5370 (brand new) and when I connect it to MY COMPUTER and start navigating (consuming bandwidth), the internet goes south. Note that it's not the internet's fault; when pinging ...
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0answers
18 views

Wifi Connection Issue

I have an Acer V5-572 dual booting Windows 8.1 Single Language and Ubuntu 14.04.2 LTS. The wifi adapter is Atheros AR5BWB222. Wifi works well in Ubuntu, but in Windows doesn't work, unless I'm very, ...
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1answer
27 views

Optimal advanced settings for Gigabit NIC

My laptop's NIC is gigabit and I am searching for the optimal settings on the "Advanced" menu to take advantage of gigabit speeds. The settings are: Energy Effecient Ethernet Green Ethernet EEE ...
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15 views

I am new in OVS and linux. I created a connection OVS and packet Generator. unable to connect OVS with two physical ports eth0 and eth1 of a computer

I am new in linux and OVS. I have to connect OVS with two physical ports as following: |-------------| | |eth1 | |-----| | | | |1 | | |test | | | | |2 | | |_____| ...
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1answer
30 views

I want to know how much user/ IP is online and which user is using high bandwidth on my network.? [closed]

I want to know how much User/IP are currently online or running and How much User/IP is offline/Shutdown. And which user is using high bandwidth (LAN/WAN) on my network... Please HELP ? I want a ...
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2answers
26 views

How forward packets from network interface to another

My problem is forward packets from eth2 that is my LAN to eth1 that has access to internet, to allow eth2 to access to internet, here my configuration: auto eth1 iface eth1 inet static address ...
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1answer
16 views

apache application in local computer needs to be run anywhere over internet

I'm running a apache server application in my local computer,All of computers connected to my router is able to access but a computer outside from router not able to access my application.I also ...
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21 views

SSH agent forwarding in Vagrant

My workflow consists of running at least two Vagrant VMs at the same time - one of them acts as a web server running the application and the other is used for local development (vagrant ssh => ...
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15 views

Apache server in local computer needs to be run on internet

I have gone read your answer for "What is port forwarding and what is it used for?" question.Your explanation is great.I have one doubt please clarify that. I'm running a apache server application in ...
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27 views

How can i send message to router to know different interface ip block from my local pc? [closed]

If i connect in a wifi hotspot than i get a ip and gateway through which i can ping router but is there any way to communicate with router for which i can know it's another interface ip block from my ...
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15 views

VPN client “cant reach any servers” tunneling to OpenVPN server in AWS VPC

Created a "jump box" Ubuntu 14 instance on Amazon EC2 inside of a Virtual Private Cloud (VPC). Now that instance is successfully running an OpenVPN server (configured according to this guide) and I am ...
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1answer
27 views

Printer wasn't working. Gave it a Static IP and now it works! But why?

I was toying with my printer to get it to work. Originally, the printer was automatically given an IP of (169.254.248.206) However... I read that manually setting the printer's IP outside my ...
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1answer
37 views

Bulletproof AirPlay Connectivity for Meeting Rooms?

I give presentations to large audiences showing an iOS app's functionality. The mobile device I use has a protective sleeve that cannot be removed. My current setup is to run AirServer on my MacBook, ...
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34 views

Ports open in router settings, Firewall disabled, no DMZ's, port's still appear as closed, why?

So I'm currently attempting to host an IIS and opened the nessesary ports, I can connect to it via localhost and on other machines in the network, however when attempting to connect to it over WAN I ...
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25 views

Linux terribly slow internet connection through usb

My connection can't exceed 50 KB/sec while downloading things on Linux. This doesn't happen on Windows where I've got speeds normally going between 1-2MB/sec. lshw -class network *-network ...
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30 views

DNS Client Service in Windows 7 Startup type switches to 'Disabled' after reboot

I was working on a clients computer yesterday and came across an interesting problem. I added a clients computer to the domain, did not have any issues with registering it at all. After a reboot I ...
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28 views

I've port forwarded, and can access this IIS server locally, why can't I see it online through my public IP?

I've been searching around, and am stumped. I have an IIS server: and I can access it locally: but when I'm outside the workplace, on a different connection, I cannot access it, I am using my ...
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3answers
65 views

Windows 7 losing network connection randomly when other PC's are connected

I'm having quite an annoying problem which I haven't been able to find a solution for yet. I hope you can help me. When my PC was using my home network and was connected to the internet through a ...
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13 views

viewing the dvr from wan failed

I have a DVR in my store with four cameras . I have port forwaded it and used no ip service to fix my ip adress . Now i can view the DVR when i am inside the network by typing the local ip adress of ...
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35 views

Creating VLAN 10 on OpenWRT v8 with TP-Link WR 841N freezes router

I just installed v8 of OpenWRT on a TP-Link WR841N and it worked. Now I'm trying to configure a VLAN for my WAN (optic router only provides it through a vlan) and I'm trying to set it up with VLAN 10 ...
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1answer
42 views

Detect RIPv1 via NMAP

Due to the recent increase of reflection attacks noted by Akamais security teams using original RIP(classful, depreciated) I'm interested to see if some of the CPE running within a network segment ...
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21 views

Problems using Raspberry Pi to connect to VisionTek external modem

I am using Raspberry Pi to connect to a VisionTek external modem, using WvDial as an application program to dial. I am able to run "AT" commands through another application program, but if I try to ...
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1answer
66 views

What can cause a persistent, random, intermittent connectivity issue?

I am posting this question as a last resort. I have been troubleshooting a connectivity issue with my internet for a few months now. Since April, I have been experiencing 1-3 second loss of internet ...
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1answer
42 views

How to turn off wpad completely?

I installed Windows 8.1 in VMware and there's only one error left in event viewer/system log: Name resolution for the name wpad timed out after none of the configured DNS servers responded. Source: ...
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0answers
8 views

Headers on local network [closed]

Is it possible for devices to communicate with each other on a local network using HTTP headers? If not what else what would you use, or if you can, is it hard (like getting through firewalls and ...
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0answers
37 views

Sniff wifi traffic with TCPDump

I am trying to sniff traffic coming from or going to a smartphone on the local WiFi network (in a legal way). For that purpose I use the command TCPDump on a computer connected to the same wireless ...
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1answer
40 views

Access 2nd network adapter from LAN

I am building a virtual network LAB using GNS3. It is installed in a virtual server (VMware) running Windows server 2012 Datacenter with 2 ethernet network adapters (Eth0 and Eth1), and 1 MS Loopback ...
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0answers
10 views

WPA2-Enterprise won't work with Win8.1 Client?

I'm the administrator of a relatively small wireless network, with unmanaged, BYOD devices that connect via WPA2-Enterprise (PEAP/MSCHAP authentication), controlled by a cloud RADIUS server. Yes, I ...
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19 views

How to set up a VPN gateway box with limited port availability

I have full root access on a Ubuntu virtual server. I have OpenVPN up and running, and it's working fine for me tunnelling my devices' internet traffic when travelling abroad to ensure clean and ...
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21 views

NETGEAR router-firewall setup

I have a NETGEAR WNDR3400 and it is connected to a NETGEAR FSV338. Do I need both the router and firewall to protect my network, or does the router act as a firewall too? In addition, the firewall and ...
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0answers
9 views

Is there a way to pause mosh from 3 second UDP updates?

Is there a way to pause mosh in a Cygwin installation? I think it's causing an excessive battery drain for my AndroidAP phone, since it's designed to be sending packets every 3 seconds, which is not ...
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0answers
32 views

ipv4tov6 address translation in windows7

I have a windows7 PC connected to a IPv6 network. On the PC I have an application that needs to communicate with another IPv6 machine. The application can only be configured with an IPv4 address. Is ...
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0answers
24 views

ipv6 routing between 2 subnets not working

I'm trying to configure ipv6 routing between machines in the different subnets. Between the machines already configured and works ipv4. I have 2 ipv4 subnets with addresses: 10.0.1.xxx 10.0.2.xxx ...
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1answer
32 views

LAN game's list not getting retrieved

Whenever I play a PC game which supports playing multiplayer, say Quake 3, when I put the multiplayer option to 'Internet', the game manages to access the game's server and get the list of games ...
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2answers
66 views

Can two routers be in same IP-range?

I'm having a modem with a built-in router, that connects to the internet through the 4g-network (productname: Huawai). To this modem, I have a router connected in Lan1 (productname: ZyXEL). So my ...
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1answer
25 views

Old MAC Address on a MacBook Pro

My computer MAC Address has been registered in a specific wired LAN network. But yesterday, I had my laptop repaired and the motherboard was replaced. Therefore, it has a new MAC Address and it cannot ...
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13 views

Infiniband latency concerns

I got two hosts with Voltaire HCA500Ex-D (MT25408 ConnectX Mellanox) 10Gbit cards connected to a Cisco SFS7000d IB switch via CX4 3m cables. I'm really concerned about latency, which is higher than ...
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1answer
68 views

How do I stop people on my wifi from being able to see my computer?

I'm on Windows 8.1. I never noticed this before but when you open file explorer and then click network, my own computer shows up there. If you click on it, you can see "users" and click that then you ...
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0answers
20 views

2 servers and only one way traffic

This has me stumped... I've got an old war horse SBS 2003 server and a server that is a few months old running Server 2008 R2 (Don't ask me why they put 2008 on it when it's so new...). The 2003 ...
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1answer
42 views

Why do some of my devices show up twice on my routers DHCP list?

I bought a new router yesterday, but I dont think that's relevant because on my previous router it happened too. The only difference now is that my first router wasn't dualband and this new one is. So ...
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2answers
55 views

Get *hostname* of a RDP client computer

This question: Get hostname of a RDP client computer, asked how an RDP server can identify a client (i.e., the host that is being used to login remotely), and got this answer: netstat -na | find ...