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

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5
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1answer
215 views

Is there an option to control data usage when on metered connections?

When I use Windows 8 with a mobile (and often expensive) data connection (3G/4G/etc), is there I way I can limit what apps or background services use while I'm connected to mobile Internet ...
1
vote
1answer
208 views

Lose internet connection, yet online games continue

For the past week or so, my internet connection has been anything but stable. Restarting my modem/router always fixes the problems, but since it has occurred so often, I'm noticing confusing patterns ...
0
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0answers
22 views

Live transfer of a virtual-machine

I want to know how I can transfer a virtual machine guest OS that is booted and running some programs from one virtual box to another virtual box on a remote computer without affecting the running ...
1
vote
1answer
182 views

1 computer 3 ADSL connections: Use proxy server?

I have the following project: I want my computer to use three network interfaces at the same time, assuming that I have three different network interface cards. I think it will be very hard to make ...
0
votes
1answer
1k views

Combo and SFP ports

I have Netgear GSM7324s prosafe switch. Switch has 24x1G ports. 4 ports are labeled as combo ports while 2 are labeled as SFP ports. I connected 2 PCs (each having 1gig and 10Gig NICs), with the ...
1
vote
1answer
923 views

Upgrading my home network to Gigabit Ethernet and Wireless-N turns out slower than before

My home network has three desktops, three laptops and some NAS drives. All desktops and NAS drives support Gigabit LAN and all laptops support Wireless-N. I was running a 100 BaseT switch though. I ...
1
vote
0answers
68 views

Shared drive/Folder issue

I have over 6 computers that are not listed on a domain, just normal local logins. There is one computer which is called User-PC which has a RAID Array. We also have another computer called TV-PC ...
0
votes
1answer
106 views

How to log selected tcp packet

I am troubleshooting a problem where a long TCP transaction (>=60s) would disconnect between my source (Point A) and destination (Point B), whilst passing through an internal Linux Gateway and several ...
2
votes
1answer
843 views

Windows 8 network connections take minutes to establish

I've recently installed Windows 8 on my Dell XPS laptop. In the past couple weeks, the network connections have taken longer than usual to establish. Here's what I mean: In the past, when I woke the ...
1
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1answer
305 views

Multiple simultaneous network connection

How can I create simultaneous network connection to different networks on Windows-7 using two different NIC on a PC ? (A wired and a wireless) Is it possible to make an application use a specific ...
1
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0answers
847 views

Enbeded Linux device fails to get DHCP

I'm trying to get an embedded Linux device to use DHCP to get it's IP. I think it is trying, this is from the boot output: Configuring network interfaces: cat: can't open '/var/run/udhcpc.eth0.pid': ...
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0answers
93 views

When I turn on the computer, network is disconnected. When disabled and enabled it works

I have one onboard network card... when I switch on the computer, sometimes its disconnected... if I disable and enable the network from network sharing center, it works. Why is this happening?
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0answers
123 views

Cannot access internal website after being connected to other network

I have a client who claim they cannot access their internal website when they have e.g. been out traveling. They have to reset their browser settings every time to be able to get access again. As ...
6
votes
3answers
135 views

Set up a wireless server, allowing access to files on computer, without offering internet

I would like to pull into a truck stop and offer a folder of free documentaries, broadcasting from my bus. I have a bunch of videos in a web folder and can access it locally and would like others to ...
1
vote
0answers
109 views

Is there a way to tell the difference between a direct connection and network connection

I want to configure a linux(ubuntu) machine such that when a direct connection is made with another PC my machine will enable a DHCP server and serve it an IP address, but if my machine is connected ...
1
vote
2answers
309 views

Using a second wifi router as a wireless bridge

I purchased a D-Link DGL-4500 to replace my aging WRT54G around a year ago, only to find it nowhere near as reliable. It's been collecting dust since. I'm wondering if there is a way to use it as a ...
1
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0answers
192 views

IP address wireless versus default gateway

I'm thoroughly confused by something. I have a Windows XP computer at work that logs into a workgroup, not a domain. It has a static IP, subnet mask, and default gateway all configured under Internet ...
3
votes
2answers
339 views

Setting up a second network in my home

I hope someone can help me here, because as far as I understand it, this SHOULD be possible. Here's the situation: We have a Virgin "SuperHub" thingie in the front room, but sadly the WiFi from that ...
0
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2answers
1k views

Calculating Utilization in a Stop-And-Wait Protocol

So theres this question in my book and it doesn't state exactly how to go about actually calculating utilization anywhere, and i'm not being able to find any substantial information regarding ...
2
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0answers
33 views

Where do i find maps of internet access around the world? [closed]

I work for a group of large NGOs (Non Government Organizations) engaged in humanitarian work through out the world. Often internet access is an issue and having access to reliable data on ...
3
votes
1answer
109 views

Can't ping from Win7 running on an MacBook Pro and Can't ping MacBook Pro from any other PC

I have Windows 7 Enterprise running on MacBook Pro and for some reason I'm not able to ping any PC in the house from it and the other way around meaning I can't ping the MacBook Pro running Win7 from ...
0
votes
1answer
93 views

Can't ping from Win7 running on an MacBook Pro and Can't ping MacBook Pro from any other PC

I have Windows 7 Enterprise running on MacBook Pro and for some reason I'm not able to ping any PC in the house from it and the other way around meaning I can't ping the MacBook Pro running Win7 from ...
0
votes
2answers
724 views

Accessing VMware Player across the network

My network: 192.168.2.2 (computer) 255.255.255.0 (mask) 192.168.2.254 (gateway) The VMplayer is: 192.168.233.129 (ip) 255.255.255.0 (mask) 192.168.233.255(bcast) It's obvious the player can't be ...
0
votes
1answer
384 views

Limited account Windows XP create internet connection

I have created a limited account on WinXP. I need this account to be able to create internet connections (PPPoE, connect through a modem, VPN, etc.). Is there any way to do so?
4
votes
3answers
284 views

Use two home networks, one modem

I was trying to stream a video from my PC to my XBox at the same time my roommate was trying to stream a video from the internet to her laptop. Even though I was just using the home network and not ...
0
votes
1answer
55 views

Use regular connection for database connections and VPN for other connections?

In a Java application, I'd like to use the computer's main connection for database connections and the VPN for all other tasks. I was told I need to use routing table within the OS. I'm using ...
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0answers
128 views

Virtual machine network speed issues

I'm running an Ubuntu 12.04 server x64 guest on Win7 x64 host with VirtualBox and I'm getting pretty terrible network speeds regardless of network mode or adapter. The best that I've got so far was ...
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0answers
177 views

Sonicwall 3500 (Creating VLANS for usage of multiple SSID)

I have an issue here. Here is my setup: X0 - STAFF network | X2 - AGENT network | X4 - Wireless AP (for multiple SSID) Okay, basically I'm going to set up the wireless AP to be broadcasting 2 ...
0
votes
1answer
186 views

Is it possible to log a program's network activity in Windows 7?

Does anyone know of a program or way to log all network activity to a specific program on one's computer (program and/or service)? I know I can see this "live" in Resource Monitor, but I'm wondering ...
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0answers
223 views

Windows not recognizing local network domain name

I'm setting up a small network for a club that I'm a member of. The layout is a single server with two ethernet interfaces, connected to a wireless router and a wireless bridge. The bridge connects to ...
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votes
2answers
424 views

Meaning of “netcat can be used as a backdoor” [closed]

I recently read about netcat and it is often mentioned that it could be used as a "backdoor". What exactly is meant by backdoor? Could some one give an example of such usage of netcat.
2
votes
2answers
6k views

How can I block NetCut in my network?

I am facing a huge problem in my shared network. We are almost 30 users sharing a single internet connection. Someone is using NetCut and taking all the bandwidth from us. Not allowing even to send ...
0
votes
1answer
63 views

Windows 7 Networking with virtual machine

I have Windows 7 as base OS and i have installed Virtualbox to install CentOS 6.3. Now, since i am using DHCP for my internet use, is there any way through which i could give a static IP to my CentOS ...
2
votes
1answer
334 views

Working with VLANS

So I recently bought a HP ProCurve (managed) switch to start messing around with VLAN's in a lab environment at home. I have a basic VLAN configured, two machines connected to the VLAN on 192.168.1.10 ...
2
votes
1answer
3k views

How to request a specific IP address from DHCP server?

How to request a specific IP address from DHCP server? This question also touches the topic of DHCP address reservation in a router. Background: My home routers DHCP table only allows to create an ...
2
votes
2answers
76 views

My computer gets hosted when using 3G

I recently activated 3G(UMTS) connection on my cellular network. I use Nokia S60 phone as a modem while connecting from Scientific Linux 6. While I am able to access net pretty well, the problem is ...
0
votes
2answers
89 views

Can I run a mix of static addressing and NAT?

Let's say that an ISP offers a plan with 5 static IP addresses, but I have more than 5 devices, many of which (such as a networked printer, for instance) I do not want or need to have a static IP ...
1
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0answers
113 views

Loading guest OS's (Windows) localhost through my host's (Mountain Lion) browsers

For work, I have to develop in Visual Studio, which I run via VMware's fusion 5. I really want to test via my mac's native browsers for a multitude of reasons. that is, view the IIs web stuffs that ...
1
vote
1answer
266 views

How do I chain gateways on my LAN?

I installed m0n0wall in a virtualized environment, I have 10 PCs connected to a router ( 192.168.1.0/24) which connect them to the internet through PPPoE, the problem is that this router does not have ...
3
votes
1answer
2k views

How can I effectively block torrenting?

My WNR1000v3 is serving six people and two of them have decided that despite my warnings they're going to torrent heavily all day. Not dealing with that crap I decided to reserve their IPs and set up ...
2
votes
2answers
197 views

Traceroute to IP address fails, but traceroute to domain name with same IP address is okay. Why?

When I traceroute to this IP (108.162.198.181) it stops after 1 hop. But tracerouting to a domain (www.gomodule.com) with the same IP shows 9 hops ending in that target. traceroute to ...
2
votes
3answers
2k views

Should or shouldn't I remove the 'Everyone' group from my shared folders?

I'm wondering whether to completely remove the Everyone group from my shared folders. I remember one time I did and it screwed up the machine meaning not even the Administrator account could access ...
2
votes
1answer
120 views

Do all routers really must know all routes to every router?

This is my complicated and long question. First let's talk about the context. Network topology: (RT stands for router) PC A --- RT A --- RT C --- RT B --- PC B (RT C has a WAN NIC connected to ...
2
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0answers
160 views

Cannot access shared drive in same machine uisng machine name but can access using IP

I have 4 desktops running Windows Server 2008 32bit version. I created some shares in all these machines. My program gets files from these machines (like \machine1\abcd). The machine names mentioned ...
0
votes
1answer
413 views

2 NICs conflicts on Windows 7 together

I have 2 NIC's on my computer. I have connected one with a GigE camera and the other to a switch which in turn connects it to a video server. If only one device (i.e., GigE camera or video server) is ...
0
votes
3answers
143 views

Are consumer IP addresses essentially static these days? [closed]

It seems that, as of late, people's IP addresses that are on major ISPs (cable Internet, or DSL) are essentially static for long periods of time. Is this a fair assumption? How does this change in ...
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4answers
3k views

How can I find the source of Windows 7 Domain Users sending bad password attempts to 2008r2 server?

I know WHICH users are constantly getting locked out because of bad password attempts, and they're only coming from their machine (using the old out of date ms account lockout tool and others to find ...
0
votes
1answer
317 views

How can I connect to a VPN and keep my internet connection with my second adaptor?

I have a WinXP with 2 network adapters and I sometimes need to connect to a VPN network. But When I do so, I loose my internet connection. This is not so bad if I'm at the office, but I remote in to ...
5
votes
4answers
1k views

Why is iTunes using so much data?

I've been told by my ISP I'm using too much bandwidth so after using Activity Monitor to see that I'm using ~2GB a day I've used the nettop command line utility to work out where. Turns out it's ...
4
votes
3answers
375 views

How does ping(8) work?

I was learning server/client basics, as part of my networking programming skills development. So basically I write server listening on some port, and client connecting to it and data flow goes on... ...