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

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Gateway set to unexpected PoE interface in ADSL modem

This issue came up during a routine check on my router/modem settings. Details follow. I use a TP-Link ADSL modem facing the internet. The modem manages a 192.168.1.x subnet, on which the only other ...
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11 views

Debian server management GUI

I have to manage a number of Debian servers (one as the KVM host, and the others as virtual servers for File management, Infrastructure management - DNS, DHCP etc, and finally a Debian based ...
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14 views

How to Identify Class A, B and C IP addresses that look similar?

The question I had come up on my CompTIA test was Which of the following is a private Class B IP address? The choices were A 10.0.15.1, B 172.16.0.1, C 172.16.1.1, D 192.168.1.1 We know that within ...
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1answer
7 views

How to initiate remote access from controlled server machine?

Assume our windows 7 machine A has no public IP - it's connected to LAN and has IP like 192.168. This machine has access to Internet. How to initiate remote access from this server machine A to be ...
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17 views

Internet sharing

I want to share internet connection from my wireless adapter, my modem router combined in one device is configured on bridge mode that allow only one connection at time.... the cause is my internet ...
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11 views

Need to access DSL with VPN

My Windows 2012 R2 server is connected to cisco VPN router with static IP. I want to connect to internet. I have connected second eth card to ADSL router. But there is no internet connection. The ...
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20 views

HTML5 web content really slow, somehow caused by ethernet driver

HTML5 content is really slow for me, browser independent. It seems that my ethernet driver crashed recently, causing HTML5 videos and other content to load slowly, get stuck etc. I updated the driver ...
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20 views

accessing outside my network through a server

I have: A user-machine (embedded device where I can't log in to console or ssh) , that doesn't have access to lan 192.168.5.x B a server debian that sees the A's network , but is in 192.168.1.x ...
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7 views

How to configure charles to monitor traffic with local server? (osx)

I'm trying to set up charles to monitor traffic with a server that is running locally. I think I got this working before with another server but for some reason it's not working with this one. The ...
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20 views

Windows 10 unable to connect to Internet through proxy

I am on Windows 10 Insider Build 10162. I use a proxy to connect to internet. Internet works fine on both Microsoft Edge and Google Chrome. But when I try to ping Google.com from cmd, it says "Request ...
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11 views

wan was exceptionally disconnected

i have asus router and i have problem . i saw my router system log and here was one unknow text "WAN was exceptionally disconnected" but 4 second again access net , what should do i that don't ...
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2answers
16 views

Advantages of Multi-Tier and Multi-box firewalls? [on hold]

I'm currently doing a University project and am having trouble getting my head around a few concepts. One reason is the looseness of terms in IT, with network tiers referring to several things ...
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12 views

How would I configure a dedicated server only to be accessible via vpn

I have a server inside my lan. It runs owncloud and some applications for development purposes: docker, wildfly, tomcat, samba ... My workflow: I use a openvpn appliance to get inside my lan and then ...
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1answer
16 views

Pushing routes in OpenVPN not working on iOS?

Because of a certain public government firewall with deep packet inspection preventing OpenVPN out of the country, I am trying to run OpenVPN over SSH. I also wanted all traffic to run through ...
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16 views

Disconnecting from networked computer

I was given my old computer at work when our company merged with another, but its still connected to the work network and requires my work user name and password.. Is there a not terribly complex way ...
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19 views

Expanding wireless coverage: What are the differences between LAN to LAN and LAN to WAN when it comes to connecting two wireless routers?

I'm trying to link two wireless routers with an Ethernet cable in order to expand my wireless network. I'd like to know the differences between LAN to LAN and LAN to WAN connections. Both wireless ...
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10 views

Ubuntu server as DHCP server for dual stack

I currently have an Ubuntu server on VirtualBox set up to give hosts on my GNS3 topology IPv4 addresses, and it is working without issues. However, I would like to have that same DHCP server give out ...
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12 views

Wifi hotspot, what's wrong with this redirection structure/code?

My linux machine provides a Wifi access point (made with hostapd package). Interface wlan0 is thus accessible by machines around. When clients webbrowses my machine, I would like any IP/url to be ...
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1answer
14 views

What is MASQUERADE made for?

A simple redirection is used on my server, with iptables rules : $ iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to-destination 13.37.42.1:80 $ iptables -t nat -A POSTROUTING -j ...
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1answer
10 views

Why rdp local drives don't work until I view the settings and reconnect?

I have some users that use remote desktop connection and recently they cannot access their local network drives within the remote session. When I view the settings under local resources and click on ...
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0answers
7 views

How may multiple LAN connected users control a single Windows instance (or run multiple Windows instances) simultaneously?

I am thinking of something like the combination of Synergy and TeamViewer but where multiple mouse pointers and keyboard inputs can work in parallel. Does anything exist to achieve this? Some ...
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1answer
22 views

Can I mix and match ethernet over powerline plugs?

A while ago I purchased a TP-Link ethernet over power kit from my local Aldi. It works really well, and I'd like to add more, but they no longer sell that particular product. If I were to buy a D-Link ...
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2answers
35 views

ipTables, how to block all services requests on port 80 for an IP?

On a linux server/router, I want to block port 80 only for one IP (example : 1.2.3.4 ) I have been given this example : ### Block Incoming Port Requests (BLOCK PORT) # To block port 80 only for an ip ...
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1answer
16 views

How to browse unc directories using command prompt [duplicate]

i was trying to change my change directory in my unc path,while trying to access the network folder myself getting error : CMD does not support UNC paths as current directories. is it there any ...
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34 views

Single website won't load on entire network

This is a new problem. It occured suddenly and without change to any settings or me doing anything to my network connection. Whenever I try to access quora.com, or any page on the site, whether it ...
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2answers
39 views

CMD ping requests not allowing more than 1000 bytes to be sent

I can successfully ping, say, google.com via cmd using: ping {IP ADDRESS} -T -L 1000 But if I use a packet size greater than "1001" I get a request timed out error. I know that the max amount of ...
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2answers
37 views

Cable modem and wireless routers set up

I have cable internet, 60meg. I have just bought a Asus rt-ac56r wireless router. I also have a Linksys wrt320N. I tried to get the Linksys to be a repeater by downloading and installing dd-wrt but ...
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4 views

How do you get CentOS 6 to auto detect changes to NICs?

So, here's my issue. I'm managing many CentOS 6 based virtual machines, many of which are expected to be shared between different developers and some even are to be cloned and launched on central VM ...
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1answer
25 views

Laptop doesn't connect to internet while other computers are connected

Having problems connecting wirelessly a laptop to home internet router. Other computers see the network just fine, but when this one is attempting to connect it fails and the whole network goes down, ...
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2answers
31 views

External IP Addresses, Subnet Masks, and SSH - How does it all work?

I'm really confused as to how I can connect to a specific computer on my network on a computer in another network over the Internet. For example, I have a beowulf cluster constantly running at my ...
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13 views

Wake On LAN not working for Asrock motherboard

Recently I installed and configured a new server for home use. Today I wanted to get the Wake On LAN feature working. For this I undertook the following steps: 1) I enabled WOL in the motherboards ...
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31 views

Frequently need to restart router maybe by low memory [duplicate]

Often my network stops working and after a router restart it works again. I think that is caused by memory fill up in the router. This is what I get when the router stops working. What should I ...
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8 views

What rpm packages for Edimax EW-7811Un on Fedora

I'm trying to get the Edimax EW-7811Un drivers to install on my Fedora 22 Linux box. I have no connection to the internet (and cannot connect it to the network via Ethernet cable) although I can ...
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22 views

Wifi Captive HotSpot, login page location?

Stated you made a wifi captive hotspot, when a Mac user connects to, Mac OS detects it's a walled garden and displays a kind of popup (not really in safari, actually in ...
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1answer
22 views

Can I connect Range Extender's Ethernet Port to another access point/router?

I have a home network with 2 Netgear Routers: 1 Modem+Router, 1 Router only. I have DELL Laptop, with Windows 8.1. Presently, the router + modem gets heated up due to being on since months! And so ...
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9 views

Unhappy mixture: linux, tuntap, namespace,pppoe

I have created three namespace(ip netns), x, y z and a ip bridge called brig0. I am trying to route packets to the pppoe connection in namespace y. I want to know why tun0 says "no-carrier"? How can ...
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1answer
26 views

IP address appears instead of hostname on LAN to network router

In the CentOS 6 servers the hostname command displays the name, but in the "PC NAME" field in the Actiontech router it displays the IP address. How can I make sure the CentOS servers are communicating ...
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10 views

Windows hosted network not transmitting multicast H.264 stream

I am trying to have a Windows hosted network WiFi access point route a multicast stream to an associated computer. The following is my network layout: IP Camera --(Wired)--> Computer A ...
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28 views

Bypassing router's DNS settings not working

From researching around the web, I found out how you are able to bypass the DNS settings that are configured on the router by naming the DNS servers you want to use on your PC. Supposedly, the PC DNS ...
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2answers
48 views

How can I redirect a hardcoded IP address to a hostname

I have a device (an IP phone) that only allows an explicit IP address to contact the remote server. However, the IP address of the remote server can change (it's dynamically assigned). I figure there ...
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13 views

Trying to install PFsense on Proxmox…lost

So I've been bashing my head against my desk for the last couple of hours trying to figure out how to properly set the network interfaces for proxmox. I'm looking to do something really simple where ...
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0answers
26 views

Finding someones IP when they use a proxy

So i have a problem. someone tried to get into my facebook account, but because their IP indicated they were in Tiwan, where i dont live, they were confronted with a security measure that required ...
2
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1answer
34 views

how to connect one pc and two laptops having a two port modem/router?

I have two laptops (having wireless capability ofcourse!) and a PC. I want to have them in one network (for playing lan game). and I have a two port router (a usb port and a lan one) is there any ...
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0answers
18 views

Why my Wifi-Captive-Portal is not detecting by main OSes?

I did a wifi captive portal. (I created a Wifi Access Point + Redirections to local web only. The machine is a Linux Mint server). As a client, I connect and ping the server/access-point: I confirm ...
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0answers
5 views

How to configure user -> OpenVPN -> Tor -> OpenVPN with Whonix

My question is as follows: I have host OS windows 7. What i want to configure such a connection: Host (with OpenVPN connected) - > VirtualBox - > Whonix-Gateway with Whonix-Workstation or with any ...
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1answer
17 views

Force users pass by firewall for a network with 2 gateways, one over firewall and other direct connection

I have a network with 2 default gateways (i.e. A, B). A is behind a firewall, while B is directly connected. I set DHCP for all domain computers to have Default Gateway for A. The firewall is a proxy ...
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1answer
19 views

Created a VM image, now need to deploy them over network

I've created a freshly installed version of Windows 8.1 "not yet activated" with all necessary software packages on VMWare Workstation. This image is considered the baseline for any computer within ...
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22 views

How should i connect this setup via Bridge? [on hold]

I have two pcs as you can see the diagram . I have connected them via switch. Suggest me how to connect? Here's the link to the image http://postimg.org/image/uhtxzr6w7/
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1answer
32 views

Permission issue on network share drive

I am using Windows 7 on work domain network. One of the shared drives is mapped automatically when I logon with my domain user. However, when I try to create a file or directory from my workstation in ...
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1answer
41 views

Can't connect to wireless routers and settings page - connection refused

1st router. I can't connect to my wireless router setting page at 192.168.1.1. in chrome it says "ERR_CONNECTION_REFUSED". I didn't have this problem before. this happens to another router too. I'm ...