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

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Can I get seamless roaming with a wireless range extender?

I am using an Amped Wireless REC10 range extender that I have on hand to increase my wireless signal to other parts of the house. The config will let duplicate my network settings exactly down to the ...
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224 views

Network interface configuration on Debian 6 (No DHCPOFFERS received)

I am trying to configure an interface to allow internet connection on a home server which runs Debian 6 x86. The server is behind a router which has DHCP enabled. The router IP is 192.168.1.1 with ...
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37 views

Ethernet Data Traffic hidden from Wireshark capture

I have a puzzle I am not able to figure out, I would appreciate any help. I am connected to a remote desktop using windows default remote desktop utility (Windows 8 locally, Windows 7 remotely). The ...
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1k views

Block websites to a certain IP range with mikrotik router

I have a MikroTik Router 951Ui-2HnD that connects my computers with the ISP. I want to block Youtube and Facebook but only in a few computers. I created a Layer7 Protocol with: Name : Denied Websites ...
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29 views

Cannot reset WINS

I have a Windows 7 Ultimate SP1 computer with a rogue entry in the winsock catalog which I cannot remove. I've tried all of the following logged in as the local administrator and running from an ...
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175 views

Windows 7 - netsh wlan show profiles: Access is denied

If I try to run the command netsh wlan show profiles I receive the error: Function WlanGetProfileList returns error 5: Access is denied This happens regardless if I run the command prompt as an ...
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38 views

Trouble with last DROP rule in iptables

Let's say I want four ports to be opened for any incoming packets so I made this ruleset: #> iptables -L -v Chain INPUT (policy ACCEPT 20 packets, 1190 bytes) pkts bytes target prot opt in ...
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92 views

Windows DNS Change IPv4 vs IPv6

I want to change my DNS settings in Windows and I want to use the Google DNS Servers. In all tutorials (Microsoft or Google) I read change IPv4 OR IPv6.. What does it mean? If I change only IPv6 ...
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89 views

Make application use specific network interface

I have an openvpn connection and I need it to work only for one application, this app uses an specific local port. I used route-nopull on my openvpn config file and then: ip route add default via ...
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26 views

Filtered port with virtual server setup on a NAT

I have a Symphony SY602 ADSL router and I want configure a dynamic DNS to access my system remotely. I made a NAT virtual server in routers configuration and this is what I configured: Server Name ...
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17 views

Node mirrors - or is it load balancing or reverse proxying?

If you've got a solution, preferably open source, of course(!), I'd be interested to know, but I'm actually wanting to know the correct terminology. The device I'm thinking of is an address ...
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60 views

set up VPN on a router

Im trying to understand how to connect my router (that is on another private network, that i am not a admin of and is unsecured) to run all of its traffic through a VPN across the internet, instead of ...
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115 views

How to install pktstat on centos7?

I am trying to install a package called netstat but I can't, I tried downloading and installing rpm file, but it was no use I tried making repos but I don't know if I am doing it the right way. Any ...
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43 views

Using two lan cards, VPN

I am using a VPN software (Private Internet Access), which is installed in my PC and it works fine. But i need to use the converted internet connection on a device like xbox. it was configured a while ...
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89 views

setting up connman to manage a single preferred connection

I have a device that has both ethernet and wifi adapters. I'm trying to use connman to manage my connections. I'd like it to connect to ethernet when it's available and fallback to wifi if there's ...
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108 views

Batch file for configuring the ip address and removing it

My pc has a network configuration IP- 192.168.0.99 192.168.4.20 Mask- 255.255.255.0 255.255.255.0 Gateway- 192.168.0.1 192.168.4.1 I am connecting to the internet through the ...
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189 views

How to force Google safesearch on entire network

I've a problem filtering web searches on Google domains. Currently I've a linux openVPN Server running with openDNS "family block". I can block a lot of websites with dangerous content and it's ok. ...
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51 views

Tracking down the cause of loss of network connectivity

I have been having issues with short (seconds, but long enough to break a TCP connection) periods of loss of internet connectivity. I have tracked this down to what appears to be an actual loss of ...
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187 views

Setup Switch HP 1810-8G - Internet connection with several VLANs

I'm newby to this, indulge me. We bought a new HP switch with VLAN. The goal is to have two separate VLANs. The first port is for the router/internet connection. I've two groups ( A, B ) using the ...
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24 views

How can I debug IOZONE over the network?

I'm working on a mac and I have a vm running ubuntu server. I created a file vm_client.iozone that looks like: vm /path/to/test /usr/bin/iozone I have configured iozone to work over ssh using ...
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77 views

Is there a way to send all the web traffic through a proxy without using ddwrt in an Asus router?

Im about to buy an Asus RT-N10U B router. I need to know whether I can use it to pass all the traffic through my proxy server without flashing ddwrt into it?
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173 views

How to connect 2 home routers to connect 2 separate networks?

I don't know if it's a silly question, but I'm not very good at networking. So please help me out. I have a Netgear WNDR4500, and I configured my PCs and virtual machines setting the WNDR4500 ...
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195 views

Problems external pinging second interface on two NIC two subnet Windows 7

I have this configuration working fine with Linux, but Windows puts up a nasty fight. The Windows 7 box is setup with two NICs, each for a separate subnet. NIC 1 is the primary interface and has ...
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78 views

How to route traffic from NIC1 to NIC2 when both NIC's are in different subnets?

I am implementing anycast ip on multiple servers which have 2 NIC's installed NIC 1 is connected to the production LAN with a subnet and a Default Gateway (automatic registration in DNS enabled for ...
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68 views

How to setup AirPort Extreme 802.11n to connect to my wifi and share its ports?

Is there any way to force my AP Extreme to act as an wifi client and share it´s ethernet ports? This is no problem with my AP express, but I want to utilize the gigabit ports and switch capabilities ...
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153 views

allow incoming ssh with openvpn client

I have set up an OpenVPN client on my home router. The moment the tunnel goes up, I can no longer ping my router from the internet using its WAN_IP. I would like to allow certain incoming connections ...
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61 views

I can't connect to my virtual router (apparently I'm typing the incorrect password?)

Okay, so I've tried to set up a virtual router using these: virtualrouter.codeplex.com/ virtualrouterplus.com virtual-router.net/ And others like it. None of them worked however, and my phone ...
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35 views

Bridge wireless networks

Ive got a BTHomehub3 down two floors, and I'd like to broadcast with a Netgear jwnr2010v5 upstairs by running a lan cable upstairs for the specific reason of gain access to a file hosted on a desktop ...
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28 views

Notebook with windows 7 can't connect to Wireless on certain hours

I've been experiencing this problem with Windows 7: when in certain hours of the night (usually between 21 and 00 pm), my notebook loses its connection and simply cannot connect to the wireless ...
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24 views

Is is possible to exclude a range of IPs from being included in the DNS resolver cache?

Our network has a number of systems that are dynamically allocated IPs (which happen to be in the public range). These systems also have a local hostname, which is making it into the DNS resolver ...
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94 views

Port forwarding Actiontec GT784WN with CenturyLink static IP

We have a static IP through CenturyLink and are connecting to the internet just fine with our Actiontec GT784WN. We have installed a device that needs port forwarding. I've gone to the Advanced Setup ...
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93 views

Establishing a multi-hop ssh tunnel through an ssh1 server

I'm having trouble tunneling through an ssh1 server. This is on a customer's machine and no, they won't update to ssh2. A bit of background: I can successfully tunnel through the customer's gateway ...
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42 views

Reach JBoss EAP 6 server in local network from mobile app

I have a Java application running on JBoss EAP 6 which I can "hit" from mobile app on chrome using urls like: 127.0.0.1:8280/myAwesomeJavaApp/coolService ... so when I package the app I am using urls ...
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411 views

Multiple devices cannot connect to a TP LINK wireless TD-W8968 router

I've got a TP LINK wireless router, model TD-W8968. When we have lots of devices in the house (10 - 15, made up of laptops, iPhones, iPads etc.) we find that some devices can't connect to the network. ...
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396 views

Ghost typing — has my Mac been hacked?

Got a good fright this evening; desperately need help: On my Mac (OSX Mavericks), I suddenly saw the following text typed into the Chrome address bar: do you like me hey It did not come in all at ...
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133 views

How proxychains-ng works?

After reading proxychains-ng's source code, I still can't figure out how it actually work. (I am a absolute newbie to computer network.) Does proxychains-ng redirect all network access into another ...
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126 views

Getting LAN clients to use IPv6 tunnel of Debian router

I have a Debian Jessie powered server which acts as router for our home network. I have succesfully managed to set up an IPv6 tunnel using TunnelBroker and traceroute commands return succesfully. ...
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67 views

rdp on two pcs in same network

I've recently tried to add a 2nd PC to my router, so that i can use RDP on this PC too. The 1st one already works, as it's using the standard methods (default RDP port 3389, etc.) So, currently the ...
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66 views

Open ports in Ubuntu 13.10 server

Im setting up a realtime gameserver fps-game, and then i need to configure ports. Just to mention, i will setup multiple servers for this game on the same ip address, which means i must open multiple ...
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127 views

Accessing a FTP Server

I am facing a baffling problem. For the past month I have used an FTP server, running Ubuntu Server 14.04 and it has worked flawlessly. During that time I was using an old Apple router from the early ...
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881 views

Can't access router management of TP-LINK TL-WR842ND after setting as access point

I disabled DHCP on TP-LINK TL-WR842ND and connect it LAN to LAN to my base router in order to set it as wireless access point for wireless devices. TP-LINK received an IP address from base router. ...
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124 views

What is the purpose of usb0 ethernet device on Centos 6.5 machine?

My Centos 6.5 machine installed with 2 ethernet device (eth0 and eth1). But when I listed all ethernet device with ifconfig -a as root, in resulted list have another ethernet device usb0, as follow: ...
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33 views

NetBIOS replying only to external requests

I have some IPs on the internal network I'm 100% sure have netbios enabled. (I say "internal network", but all the IP octets differ. It is just the same institution and geographical location). If I ...
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80 views

Prevent Users from accessing certain IP ranges when Teamviewer is active

I asked this question on Network Engineering, but determined that possibly using a script or software might be the better solution. I have a network with multiple VLANs and subnets that get routed to ...
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41 views

How to forward a port in VM which is behind NAT

I see a few questions similar to my but, they didn't answer my question. I have a router. I have installed Debian in VM and setup a ssh server on it. I want to forward a port for this machine on my ...
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278 views

SSH and PWNAT for SSH Connection Between Two Separate NATs

Is it possible to use pwnat and SSH to establish a "peer-to-peer" SSH connection between two machines that are behind two separate firewalls/NATs? If this is possible, what are the steps that would ...
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177 views

No Internet Connection on using Buffalo WHR-G300N

I have used the Buffalo WHR-G300N over 2 years while I will use it for connecting all of my devices to Internet @ home. However, two days ago, I have the issue that the router suddenly disconnected ...
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65 views

How to capture tcp traffic between a virtual server and client?

Basically, my set up is: Kali Linux running in a virtual machine, Server running on a virtual machine, And my host machine as the client. What I want to do is mess about with some stuff on the ...
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228 views

Why can I access my server from my local network but I cannot access it remotely

I am currently having a weird issue with ubuntu 12.04 where I can access a my server locally but not externally my router has been set up correctly. I have 2 servers I am running at my house one is a ...
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828 views

Setup VPN in docker

I am working on connecting docker containers together. I have explored the options provided in docker for networking. Now I want to create a VPN kind of setup to connect docker nodes and containers. ...