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

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sftp scp can not work , result in network down

root@6-2:/root> scp 1.pcap yqiu@10.xx.xx.xx:~ yqiu@10.xx.xx.xx's password: 1.pcap 0% 0 0.0KB/s --:-- ETA I use scp to ...
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9 views

VISP and Peer connections

I just want some help regarding questions that came to my mind while googling for how to become an ISP. Most of the literature talks about buying a wholesale solution, VISP, and make a peer ...
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1answer
29 views

“Bad Password” Message in WICD-Curses

I've been trying to use WICD-curses to connect to my Wi-Fi network. I thought it would be simple: I went to the config page for my network, entered the password at the bottom, hit F10, and waited for ...
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14 views

connect to network and netsh tend to lag indefinitely

Questions Why are netsh and "connect to a network" lagging indefinitely? How can I repair this? Possible workaround: can I configure Windows 7 to connect to a named network automatically without ...
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0answers
15 views

Engenius ENS202EXT multiple AP on campus Channel conflict?

I have 10 of these AP around campus, all about 75-200 ft apart from one to the other. I have had them set up on auto channel since I have had them but two of them have a couple issues. One of them ...
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2answers
73 views

Network Sniffer identifying strange requests to *.crdui.com

So I just downloaded a Network Sniffer on my local machine, as I think something is going on. As soon as I opened it, selected my network adapter (an LTE stick), it started showing me requests from ...
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7 views

Programming the firewall on a Siemens router

I have a Siemens ADSL SL2-141 router. From the web interface, I can program the firewall (e.g. block/unblock IP addresses). I want to do the same programmatically via telnet. But, when I ask for ...
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14 views

Prevent DHCP Lease Updates From Adding Gateways

I am having a problem preventing DHCP Lease Updates from modifying my route table in Windows. My issue is that I am routing all my traffic through a VPN and purposefully delete the 0.0.0.0 route ...
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2answers
678 views

Why is the Ethernet network interface name “Network 3” in Windows?

I have configured my network interface on Windows and gave it a static IP address. After it got enabled, I notice that the name of the network is Network 3: In Linux, we know that Interface_name ...
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1answer
33 views

Opening a port on CentOS server not working externally?

I am trying to to setup a Ghost blog instance on port 80 of my CentOS 6 virtual server. There are no pre-installed web servers occupying port 80. If I run Ghost in production mode as a background ...
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1answer
22 views

Can I use an integrated modem with wireless router just as a modem with a cable service?

I live in Seattle, and my mom lives in San Francisco. She recently called me stressed out about how "the box with lights" doesn't work anymore. After calming her down, I found that she recently ...
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12 views

My WD My Book World (blue rings) is not accessable

My drive shows up under the network devices. When I click on it a windows security pop-up shows asking for my network username and password to connect to the drive. I have tried I am running windows ...
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32 views

Synergy using internet connection instead of local connection

I've had Synergy installed between two machines and it work flawlessly before, but I'm experienced a strange condition with my new desktop. When I bring my mouse from my server PC to my client, the ...
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1answer
27 views

How to route openvpn-server traffic over the vpn itself

So I have a server with the public ip address of 101.102.103.104 (for example). This server is running an openvpn server, plus a bunch of other stuff that is listening on the public ip network device ...
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0answers
16 views

WiFi extender, extending a cellular hotspot

I have a 4G phone which in the corner of my house receives 4G signal, and using speediest.net I get about 20Mbps, if I'm connected directly to my phone from my laptop and sitting next to it. My ...
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3answers
61 views

Not able to connect to Google docs, error message: The remote device or resource won't accept the connection

I have started facing a strange issue on my home network. I am not able to connect to docs.google.com, it gives the following on firefox: And in chrome: When I troubleshoot the link it gives ...
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1answer
34 views

1 modem 2 routers with independant networks

Ok I have 2 routers and one modem. (I also have a switch handy) I would like to connect both routers to the modem. The only catch is I don't want both networks down if one router stops working or is ...
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15 views

Dell optiplex Gx 755 desktop : no internet wire

I just purchase online a Dell optiplex GX755 desktop but cannot connect to my home internet. I ask my internet provider to send a tech. When he came he said my PC don't have internet wire. How can I ...
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1answer
20 views

How to connect BT Fibre HomeHub to a Netgear router

Situation is this: In the house I have a BT Fibre HomeHub3, connected together with a BT Openreach modem, works great in the house, no problem. To this HomeHub I have connected an Ethernet cable ...
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19 views

Windows 8 stops transferring PC to PC if the files are numerous or large

I have a very annoying issue that is driving me insane. I have a laptop and a desk PC both with Windows 8 and with shared folders, so far so good. I have to move a folder from the Laptop to the ...
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1answer
34 views

How can I apply a proxy IP address to all my connections?

I live in a building where we share a static IP address. Looks like a roommate got banned from a website where I also have an account, and now I can't visit this website either. I had to install a ...
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17 views

Unable to access Public share on My Book Live NAS

We have a Western Digital My Book Live N.A.S. on the local network, it was mapped as a network drive and has worked great in the past. Recently the router reassigned some of the IPs and it couldn't ...
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18 views

Connect to a network stuck at getting information on Windows 7

so I just added a password to my Wifi cause I felt someone was stealing it. On my macbook I was able to reconnect just fine. I just typed the password and done. But on my windows 7, I am not able to ...
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3answers
74 views

Linux: How to get current bandwidth usage from command line?

I'm looking for a good way to get the current total bandwidth usage on a linux machine, i've tried iftop, nethogs, but they doesn't show real bandwidth usage (compared to system monitor), anyway they ...
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14 views

How to configure old Windows clients to use NTLMv2 when connecting to a Windows 7 network share?

So we have a shared folder on a Win7 machine which can be accessed from only Vista or later, but apparently reject older clients with error 58. The reason is that Win7 forces NTLMv2 protocol while ...
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2answers
35 views

Switching to IPv6 - Do I need a router?

In the future, since every IP (IPv6 adress) is going to be global, we don't need to use NAT. So basically, why do I need a router on an IPv6-only global network? Why not just replace my router with a ...
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0answers
16 views

Is the response port specified in an http request?

I was studying something called 'Network Mapping'. I got to a point where when I click a link to www.google.com, a packet gets sent from my computer, NAT in the router translates the packet and sends ...
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23 views

How to disable Kaspersky network protection for Google Drive?

I'm using Google Drive's Windows application to synchronize my files between my PC and the cloud storage. The problem is that this app doesn't have any kind of speed limit option, so it takes up ...
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1answer
38 views

Utility to monitor a TCP connection for drops

I found some similar questions, but not quite like this, so am going ahead and posting. I use a replication product at a client site. We are running a Windows 2003/2008 server environment. It is ...
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1answer
13 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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1answer
46 views

'localhost' stoped working as an alias for '127.0.0.1' for SSHing into my VirtualBox VM from OSX. Why, and how to fix?

The question explains the problem. For months I've never had any problems along these lines. Then, yesterday morning, I couldn't get into my VM! Took a long time to troubleshoot but here was the ...
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1answer
35 views

Host is not able to ping Guest | Virtual Box

I am using LinuxMint17 (Host) and running another LinuxMint17 as Guest using Virtual Box. My Guest LinuxMint is able to ping Host LinuxMint but vice-versa is not happening. Network Setting in ...
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38 views

My Laptop does not dectect wifi in some areas on my home

My laptop has always been fine i have used it for a long time with no problems with wifi, then all of a sudden it can no longer detect any wifi networks once i take my laptop upstairs. i have other ...
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25 views

Can't get port forwarded to local machine

I am using a Huawei E5172As-22 Router. I am trying to open a port on my router but I can't seem to get through the router. This is what I have done/tried: Set static IP (192.168.1.55) Port forward ...
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30 views

Can 'ping' requests still be used for a DoS attack?

I was reading this question, and couldn't help noticing this part of one of the answers: On the Internet, ping of death is a denial of service (DoS) attack caused by an attacker > deliberately ...
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1answer
26 views

How to setup routing on a Windows 7 machine

I have a machine with 2 network interfaces. The network itself looks like this | access point | wi-fi | my machine | | 2-nd machine | | 192.168.1.1 | ...
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15 views

How to manage virtual Ethernet interface (NDIS) with cmd

I frequently use the usb tethering function of my android smartphone. If the network manager establishes the connection, the network gets almost every time a new Network name (started with "Network 1" ...
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0answers
18 views

open nebula virtual machine doesn't connect to outside internet

I'm working on open nebula I am trying to build a small cluster with two nodes but my virtual machines doesn't connect to outside internet. I am on a i7 16GB machine running ubuntu 14.04 that will ...
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1answer
33 views

Need a way to use 2 networks to access the server in parallel sharing data traffic

I have a server connected to Internet via two networks - A microwave link and an ADSL Link. The server has been assigned static IP address in both network. Both both the networks are not reliable and ...
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0answers
12 views

Running Wine program through alternate network interface

Is there a way to configure Wine on Linux to use a different network interface on your system? I can't find anything about this except for other people's unanswered questions. The reason why I'd ...
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3answers
56 views

How to reveal pppoe password behind asterisk in my router?

I lost my pppoe password, so I want to recover it from my router configuration setting but I am not succeeding after my lot of research on Internet. I used many password revealer tools but it can't ...
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0answers
20 views

How to I best set file permissions in a home network with Windows Computers?

How to I set up file permissions in a home network with Windows computers? Need both read and modify Windows 7-8.1 The most important files are on a USB drive connected to a Windows 7 netbook ...
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1answer
18 views

How to set some static and some dynamic IPs for different computers on 1 router/modem?

So I currently have 3 rasberry pi's stacked up connected to my network. My router has a built in modem (Actiontech V1000H) which has 4 LAN ports and 2 WAN ports? Not very sure, I dont know the ...
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3answers
48 views

Networking Basics: How Do VPNs Route Traffic Without A Default Gateway?

I'm trying to better undstand how traffic is routed through a VPN on a windows machine. I have a working vpn server at work that I am connected to from home. My networks subnet is 192.168.8.x The ...
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1answer
17 views

Windows Home Server 2011 Photo Viewing Only App - No Write Acess

I currently use Windows Home Server 2011 to store photos that I have taken, and allow people to connect to my server through their laptops using Windows Explorer to view my photos. But this introduces ...
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0answers
20 views

dd-wrt disabled DHCP, now no longer connects even wired

I had a perfectly functional DD-WRT router set up with networked file storage, port forwarding, multiple wireless networks, etc. The router was connected directly to my modem. I moved to a new ...
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1answer
32 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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0answers
6 views

what happens to my IP my inner VPN uses if my outer VPN channel breaks down?

I want to use a VPN tunnel within a VPN tunnel. So I establish a connection first, and then another one, which will already by routed via the first. The first is the outer one, the second the inner ...
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1answer
20 views

Remote boot command / boot via network call

Is it possible to boot another computer (Windows preferrably) with a special network command? Use case (let's call this command remote boot): ComputerA at home is switched off or in standby (but ...
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0answers
11 views

implementing a mitm attack (deuath) on network clients to LIMIT bytes per second

good day all In short, I need to limit the network usage of clients on my home network, since there has been some high activity and I am not able to stream a p240 video on youtube/twitch, I wouldn't ...