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

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How configure 2 Lan cards in Windows 7/8 pc one to connect to Internet and other to Local Network

    I am about to install a dedicated VOIP server in our office. It is a 3CX pbx system on Windows 7/8 machine. The environment currently is a Windows SBS 2011 with 8 client machines. I want ...
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12 views

ARP with Layer 2 managed switch

Say I have a switch hosting a 10.10.1.x/24 subnet, and a device plugs into it that is manually configured to send as if on 192.168.1.x/24. When the malconfigured device ARPs out for say, ...
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0answers
14 views

Best iPhone privacy settings [on hold]

I am looking to add extra privacy to my phone and want to no the best way to do that. I thought maybe a VPN but not sure?
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1answer
15 views

when the situation to use default router occurs

It is said that we use default router when an IP address doesn't match any other routes in the routing table. Usually for a network a routing table set for all entries. So we route through these ...
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1answer
28 views

Can I use a T1 business router as regular home network router?

I am trying to setup a home network with my existing cable modem. I am buying used router for this purpose. There is a SIEMENS se5940 T1 Business Gateway/router on sale on the local craigslist. I am ...
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2answers
33 views

Two Routers - 1 Port Straight to First Router

At my house we have two Wifi routers one's connected directly to the modem and the other is plugged in down stairs as a second network(Directly connected to the first router) Is there a way that I ...
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1answer
20 views

network adapter not listed in my virtualbox vm

I am trying to SSH into a virtual machine I have set up in virtual box from my Windows 7 host machine. I would like to make several development machines and ssh into them from my host machine, as well ...
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2answers
42 views

Two LAN networks single internet connection

I am in a situation where I need to use a single incoming Internet connection in the house for 2 different LAN networks: a wired network for the residents of the house and one for the small business ...
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0answers
16 views

How to switch on 3G modem local area connection from c++ application? [on hold]

Basically my c++builder application uses wired net connection. But as backup channel I have a 3G modem inserted in desktop port and local area connection is created for it. It could be set wрether ...
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0answers
9 views

email server not reachable on the company network, but reachable on a different network or with cellphone

Good Day, I have a netgear router with no firewall settings, i have a problem with my email service or service provider. Sometimes while logged in to the email it just shut us out and display the ...
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0answers
40 views

Weird IP in Linux Mint 17

I installed Linux Mint over a shared Ethernet connection from my laptop and installed my Broadcom Drivers over that shared ethernet connection, and I noticed that my Linux box is on the wrong gateway. ...
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15 views

Some applications slow on network (win 8.1), where to start?

I recently got a new computer with windows 8.1. I identified at least two applications are very slow when the are using the network. This is the MS dynamics AX client (very slow all the time) and ...
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21 views

Monitor network traffic from/though program/port [on hold]

Is there some way (program, feature, ext...) that I can monitor all traffic (look at each packet) through a given port, or from a given program? I'd also ask if there was a library for some language ...
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0answers
5 views

Juniper Network Connect couldn't connect to server

I've been using Juniper Network connect 6.3 to connect to our server from my windows 7 system. Recently, I'm unable to connect to the server as the Network Connect software in my system is not working ...
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1answer
29 views

What does the windows internet pipeline look like?

I've had the strangest problem for years now, I cant visit some internet sites. Doesn't sound too weird but the weird part is - there appears to be no reason why. When I try to ping those sites, it ...
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3answers
44 views

Why must we supply a port number in addition to an IP when sending a request?

I have a decent understanding of the practical use of ports and how they work. However, I have a few questions I would like to clear up. What happens if we send a request without specifying a port ...
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2answers
36 views

Wake-on-lan doesn't work over the internet

I can successfully wake my computer if my Android device in connected to the local network but I can't wake my computer from another network. All BIOS WOL settings are enabled. I also opened a port ...
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0answers
16 views

How to reset the password on a Kurobox PRO?

I've had this old Kurobox PRO demo unit (Precursor to the Buffalo LinkStation series of NAS appliances) kicking around for quite some time now, I decided to fire it up and see if I could install ...
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1answer
23 views

How does Unlocator work?

Unlocator is able to remove location based restrictions on websites and other internet services by simply using their DNS servers. I'd like to understand how this works on a technical level. I ...
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2answers
37 views

How can I get a router to push all data to the network through one MAC address?

I am trying to set up a hidden wifi network in my dorm to connect my wireless devices (2 laptops, chromecast, hue lightbulb, and a printer). I want to use my school's internet service so I must give ...
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0answers
24 views

Strange Local DNS issue involving Comcast, not a Comcast User

I have a network with 3 desktops (2 x Win7 x64, 1 x Win7 x32) connected via ethernet and 1 laptop (Win7 x64) connected via wireless most of the time using a Linksys WRT54GS. I have a desktop ...
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0answers
7 views

VDSL Router cuts download bandwidth with 70% servers as compared to direct PPPoE

I've been searching high and low for a solution but to no avail. Hopefully you can help me with a tip as to what can be the matter. I'm using a VDSL2 50Mbit/5Mbit broadband connection from my ISP. ...
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1answer
17 views

Home network setup

I wonder if this setup is possible 1) Router: Would be a pc with an extra network card, using some linux router software. 2) Switch: http://www.newegg.com/Product/Product.aspx?Item=N82E16833150157 ...
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0answers
15 views

Ping timeout when downloading

I have a strange behaviour with my router. When I do nothing on my network, all it's ok when I ping it. I tried with 1000 ping and I get: 1000 packets transmitted, 995 packets received, 0.5% ...
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10 views

iSCSI drives not reconnecting on reboot

So, I have two iSCSI target drives attached to my Windows 7 x64 Ultimate install. Every time I reboot my machine, for some odd reason the drives in the iSCSI initiator show a status of reconnecting ...
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13 views

Can't access HTTPS resources with Ubuntu client and VirtualBox Windows host

I have VirtualBox 4.3.12 on Windows 8.1 running Ubuntu Trusty 32bit client. When I try to access HTTPS resources from the client, I see errors like: Cannot fetch index base URL ...
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7 views

Enable SSH access using SNMP in DPC3000

Cisco DPC3000 Docsis 3.0 cable modem, need to enable SSH access using SNMP, I find the MIBs & appropriate OIDs which should enable SSH, but I can't set username and password since they have ...
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0answers
29 views

Not able to open any site other than Stackexchange, Google and some others

I was using a DSL modem to connect to internet earlier, but recently I have bought a TP link wireless router which I am using now. For 2 days the router worked fine but today I am having some problems ...
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19 views

Hosting space for files (Correct way?)

I am developing an app that will download a few files (around 50mb in all) per user. The thing is, I am unsure of where to upload files do this. (and do it legally). These are the features that I ...
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1answer
25 views

Network disconnect with netgear router

I buy a netgear R6250 for my home. I have more than 10 devices connected by wifi, so it seem be good to this. But, I have a problem with it: I lost internet connection some times. I need to ...
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1answer
29 views

Modem Speed Limit

I changed my plan to a 4Mbps unlimited connection. But my download speed still shows 573Kbps in the ADSL settings webpage and I get slow download speed. I called the ISP's customer care and they said ...
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0answers
25 views

A windows VPN connection WITH internet access?

I have been doing research on this topic for days, I have a windows 7 Ultimate machine running on a blazing fast internet. I set up a VPN on that machine, and would love it if the VPN can share my ...
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30 views

Troubleshooting Land Attack - Process monitor

I'm trying to find the real issue behind our Cisco ASA firewall log: Deny IP due to Land Attack from WAN_Web to WAN_Web. We're getting them every 5 or 10 min, so it will be nice to get rid of them. ...
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13 views

Windows Wi-Fi able to see available networks, but not authenticate

As a volunteer, I'm trying to setup a number of donated older computers in a school with Wi-Fi access using a number of identical Buffalo USB adapters. A Windows XP and Windows 7 computer each have no ...
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1answer
30 views

Why isn't my wireless not going over 2Mbits/s?

First of all, good night for all the readers of this help request. I'll now describe my problem. I'm connected trough a /n wireless network which should offer me 155MBP/s transfer rate, and my ...
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18 views

Windows XP and Windows 7 - Playing Old Games Over LAN

I have a fairly modern Windows 7 SP1 x64 machine and an old XP SP3 machine wired to a D-Link Dl-524 router. I want to play old games (or at least those of them that also run on Windows 7) over LAN. ...
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14 views

How do I open Google Hangouts ports on my home router?

I found this article to optimize Hangounts: https://support.google.com/a/answer/1279090?hl=en I'm supposed to open up a UDP port range for best results. I have a Linksys E3200 router which has a port ...
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2answers
26 views

Access my local host website via internet from anywhere using ip with port forwarding

Sorry, I'm a software guy, don't know much about networking. I saw similar posts, but I'm not able to make it work by following it. I'm on Mac. My IP is dynamic IP. My Mac is connected to a wireless ...
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8 views

Networking two mac mini's through cellular service

Is it possible to send/share files between two mac mini's that are connected to separate routers but share the same subnet? If so, how can that be accomplished?
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1answer
36 views

To which level can VPN traffic be sniffed?

I've got a doubt: I'm starting to work in random places (consulting) which means I switch from a network infrastructure to another one depending on the client. I'm really concerned about security and ...
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1answer
23 views

Windows 7 cannot access network PC

I am using Windows 7 on all my PCs and I have all PC networked & join as homegroup. Most of the time file sharing and accessing other PC works fine. But it is also frequently that sometime having ...
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votes
1answer
17 views

How to bypass BELL provided router with FIBE

I Just got fiber optics internet, Fibe 50-50 from BELL Canada replacing old slow not reliable anymore ADSL. I have an home office and I use VPN, DHCP reservation, DDNS service etc. All those features ...
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1answer
92 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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2answers
29 views

Since each CPU's core can process one or two threads at once, how OS stills stable even if there are multiple threads running?

To explain more, suppose we have a dual core CPU without hyper threading, that means it can process 2 threads at once only, well, now suppose we have a network application that is running two ...
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1answer
10 views

Can't capture inbound/outbound messages in Fiddler

.NET interferes with localhost traffic (there's already a lot of threads open on that topic), but something else is mangling my ability to see traffic to/from my server. I know this because I am ...
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0answers
30 views

What Is The Wireless Computer Software? [closed]

My Question Is Now i used Internet Connection On my Desktop Computer Via Cable But At The Same Time I want to Use Internet Connection My lappy Without Use of Cable Or Router So please Let Me know How ...
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3answers
43 views

Using Two Computers To Create a Network Attached Storage System

I currently have two machines each of which contains 2, 250GB drives. One of them has two network ethernet cards. I am hoping to use these two machines to create a 1TB file server for backups. I am ...
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1answer
15 views

Stop microsoft-ds from responding to hack attempts

I have file sharing and "Client for Microsoft Networks" turned off on my machine (via the Network properties), yet I find that microsoft-ds (directory services) is still listing on ports 445 and 123, ...
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1answer
52 views

Creating a connection between 3 computers

I have 3 machines on 3 different network. HOME: With internet but not connected to any local machine, with sudo. WORK: With ssh available through www internet, HOME can ssh to WORK, but not ...
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1answer
21 views

Why do Protocol Service Multiplexers can take only ODD numbered values between 1 and 32,767?

I am following a book called Bluetooth Essentials for Programmers and I am not much experienced, in the book it doesn't explain the reason of the odd-numbered values and I couldn't find information ...