For questions on connecting devices together so that they can communicate with each other, as well as on networking equipment such as routers and switches.

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1answer
1k views

Remotely control Powerpoint/OpenOffice Impress over network

I need to remotely control a Microsoft Powerpoint or OpenOffice.org Impress presentation over the network. I am having a presentation running and I won't have physical access (and I cannot use an IR ...
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4answers
231 views

Relocate a LAN cable without breaking the network

For some years the cable was laying under a bedroom door. Now I need to slightly move it. To get a better idea look at this picture. On the left is the current "cable status" and on the right is how ...
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2answers
947 views

Viewing the tcp/udp ports which are opened by a process on Linux

Is there any command on Linux available to show which udp/tcp ports are opened by a certain application on Linux. I don't mean netstat, because thats's only showing the open ports. Presumably, this ...
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2answers
2k views

Host-only network with multiple VMs

What I'm trying to do is create a host-only network with multiple VMs so as to allow direct access between the host OS and the VMs, but to also allow the VMs limited access to the Internet for things ...
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0answers
432 views

Bridging two interfaces using NatD on OS X 10.6 (not working)

I have an OS X 10.6 machine with two network cards: 1 - 10.1.10.2 2 - 192.168.1.2 and I'd like to forward all traffic coming in on port 192.168.1.2:4096 to another machine on the 10.* subnet (10.1....
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3answers
240 views

The physical aspect of networking ports

I stumbled across this article which, unlike any ambiguous article I've read, states that my "pencil-thin network cable (or wireless network adapter) at the back of your computer contains 65,536 ...
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2answers
501 views

Using a dedicated computer as proxy to home broadband router

I'm thinking of creating a proper home network and using a single machine dedicated to access control, centralised authentication, DHCP and acting as a proxy for internet access via a separate home ...
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1answer
233 views

Why are my identical WLAN settings not recognised by my computers after reset?

Recently I had to reset my Fonera 2.0 WLAN router. I reconfigured it immediately with the same private SSID, security mode (WPA2-PSK) and key. However, when I looked at my Windows notebooks, they were ...
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2answers
3k views

Find bandwidth used by process

Something is using a lot of bandwidth according to iStat menu. But I can't figure out what's doing it. lsof -i only shows what's connected but not how much bandwidth is being used Please do no link ...
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1answer
291 views

Windows 7 local network video streaming skips

I have a pretty simple setup - file server with movies, HTPC in living room, various desktops and laptops. All the hardware is fairly recent and entirely capable of decoding 1080p h264. But for some ...
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1answer
262 views

Byobu reports different numbers from system monitor for network usage

Why are the numbers that byobu reports for my network usage different from system monitor?
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1answer
2k views

How to set Wireshark to log ONLY DNS requests?

This works: tethereal -i eth0 -w /root/mycapture.pcap but it captures every packet. I only need to capture DNS requests. Is this possible? The server is Linux. Other thing is: is it possible to ...
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0answers
172 views

Troubleshooting Desktop That Can't Connect to Internet through Any Adapater, Even on Different OSes

I have a Windows 7 machine that also has Ubuntu on it. Yesterday the NIC spontaneously crapped out. I went and got a Dynex PCI NIC and set it up, my computer now finds networks but lists them as "...
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1answer
170 views

Windows 7 account folder sharing on server

Okay, I'll be totally honest, I was at school on the PCs (that run Windows 7) and I was looking for an installer for some software that school uses as there are quite a few security exploits and back ...
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1answer
1k views

Can two devices with different static IP addresses find eachother?

The setup I currently have is two computers connected through a crossover cable. I am trying to use the command line or Python to find the ip address of the other computer. Is there any way I could ...
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2answers
117 views

XP doesn't see External HD in My Computer

My XP Professional with SP 3 is not recognizing External HDD using USB cable. I already have two HDD in my computer. One drive has two partition (C: and D:) and Other HDD is F: drive. E: drive is ...
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1answer
542 views

iMac display wakes on network activity

I have had this problem for a long time now, but i've never taken the time to really investigate it. So i have this mid-2007 24-inch C2D iMac. I like to keep the machine running all the time, but i ...
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2answers
214 views

Cannot Connect to the internet and cannot access router

After my update on my OS (WINDOWS XP SP2) i had a problem with my internet connection, i cant access the internet and my router. i am using google chrome and it keeps saying that the webpage is not ...
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1answer
214 views

What are all of these NAT terms? [closed]

I (loosely) know about Network Address Translation (NAT) in that the NAT device stores a mapping of external ports to internal ports. However, I started reading about it and got really confused by all ...
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1answer
106 views

Home wireless connection, what stops someone replaying?

Something i dont get: I set up a Pre Shared Key on my router and I use this as my network password on Windows. I match the WPA2-Personal on the router and my laptop. However, whatever my laptop ...
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2answers
416 views

Wired router with wireless as internet source?

I have a number of servers in my room, and I'd like to have a high-speed wired LAN within the room between my servers and my desktop and laptop. My internet access is provided by a cable modem ...
3
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1answer
274 views

Meshnet Linux-based distro?

I want to create a mesh-net at my school which will, with my understanding (limited of networking), allow me to transfer files with computers on said network (which will be a different network than ...
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1answer
173 views

Networking on a PC, want to send data from one interface to another over the network

If i have two network interface cars on my pc, like a wireless and LAN and i want to send data from wireless to LAN over the network, then tell me how can i do it. I think i have to do something ...
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2answers
547 views

I can't open executable shared on my network

I just set up a new Windows 7 machine and I am having accessing files on my network. I had no problem accessing the network shares and browsing through the files, but when I try to actually open an ...
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2answers
4k views

Internet issues with subnet mask/DNS?

I woke up today to find that my internet wasn't working. I checked all the cables, and everything was connected, I tried to connect to my router @ 192.168.1.1 . It didn't connect. I checked the cables ...
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0answers
969 views

Get my domain-joined work computer to work in my home network

In my home network I have a wireless router to which you can connect two USB drives. I use these disks much like a simple NAS. The problem is that my work computer that is connected to a Domain on ...
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3answers
1k views

Would it be possible to create an SSH tunnel through a mobile phone call?

I was thinking the following: A lot of phone companies give you a couple of phone numbers that you can call for free. Suppose we have 2 mobile phones: P1 = Phone 1 P2 = Phone 2 P1 have free calls ...
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1answer
1k views

What is the eml network interface in Fedora linux?

When I run 'netstat -rn' on my Fedora linux box, I get the following: Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 0.0.0.0 10.4.202....
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3answers
1k views

How to firewall a VPN connection in Windows 7?

I have a VPN connection to a private VPN server in another country. I don't want any internet packets to leave or enter my laptop unless they are going to or coming from the VPN server's IP. Is ...
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1answer
1k views

DD-WRT Seperate WLAN from LAN

I tried separating my WLAN from the lan following this tutorial. Unfortunately after the settings are changed, DCHP on the WLAN isn't working any more. I guess it may have to do with incorrect ...
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2answers
1k views

Should I wire directly to the basement for ethernet, or have a switch connected to another switch?

I have a project where I'm wiring my home for ethernet. I have four bedrooms upstairs, all of which are getting two ethernet connections each, and then a few rooms downstairs as well. I was thinking ...
2
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1answer
396 views

Specific Network Interface

What I'd like to do is to force an instance of a browser to use a specific Network Interface. I've tried: http://www.r1ch.net/stuff/forcebindip/ and was less than successful - besides, I'd like to ...
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1answer
5k views

VLAN over Wirless MikroTik SXT

I stumbled across a big problem, when I tried to make a VLAN work over a wireless connection between two MikroTik SXTs, and a Wireless AP at the end of this connection. The setup is like that: DHCP-...
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1answer
146 views

Windows 7 does not give a warning when subnet on a network with DHCP conflicts with one of the existing static subnets on another adapter

On the client-side, i have a loopback adapter at 192.168.1.1, with a 255.255.255.0 mask. I also have a wireless connection that does not work when the loopback adapter is enabled. Would it make ...
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1answer
335 views

How can I make a Windows 7 computer appear to be Linux to remote OS detectors

I have a Windows 7 computer that I'd like to spoof as Linux on my network. By that, I mean that anyone on the network who runs nmap or a System Properties scan would think that my computer (running W7)...
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1answer
257 views

802.1X and 802.11- can you prevent a rogue access point from the start?

Does the authentication mechanism of 802.1X assume that you have already initially connected to the trusted network? What's puzzling me is that if I set up a cloned access point to fool users into ...
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2answers
236 views

My home network's wireless performance is superior to its wired performance

When one of my computers is hooked up with an RJ 45 cable to the router (typically through a switch), YouTube videos will periodically pause and then restart; this never happens with computers that ...
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1answer
959 views

How to monitor the network activity of a Java application on Linux in detail?

Let's say I have a third-party java application. It is a .jar which I run in a usual manner: java -jar app.jar How can I monitor what it sends and gets through the network on a Debian-based system? ...
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1answer
416 views

Do the Mid 2011 MacBook Air Support Jumbo Frames (via Thunderbolt + Display)

Since the MBA is capable of significantly greater bandwidth when attached to the 27" Thunderbolt Display, I am wondering if it does, or it's possible to turn on Jumbo Frames?! If so, how? Thank you.
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2answers
2k views

Hardware/Software behind IP/TCP layers encapsulation

Every tutorial I read talks about how the layers "communicate" with each other, but never mentions what hardware/software receives, adds on, and sends each layer of control data. What piece of ...
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2answers
2k views

Motorola cable modem regularly drops connection restarts itself

I have a Motorola modem SURFBoard SB4200, along with a wireless Linksys router that connects to that modem. The router works normally but the modem often dies and restarts itself after about 1-2 ...
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2answers
143 views

How does HTTPS avoids the key for encryption to be sniffed in the first place?

When a 2 computer establish an HTTPS connection them have to resolve what key is going to be used, right? So, to do that, at some point the key have to travel unencrypted from one computer to another,...
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1answer
293 views

can't access google.com from home network

I have this weird problem where sometimes I dont have access to google.com on my home computers. this include most of the google sites - maps, calendar, docs. I sometimes get a plain error page, ...
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2answers
1k views

/etc/hosts file loses changes on OS X restart

I'm doing web development on Mac OS X (10.6) and to speed this up created a few virtual hosts with short, easy-to-type names like sandbox.drupal7.loc and gwwc.drupal7.loc. I did so following the ...
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1answer
966 views

Why would a DB connection over LAN be slower than a WAN connection?

I'd noticed for ages that a MySQL database connection over my LAN was significantly slower than a database connection over the Internet. I'm running Windows 7 32bit and I'm connected to a switch ...
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0answers
276 views

Need Solaris network driver 64bit

I'm newbie in Solaris and I need network driver 64bit for: - pci bus 0x0004 cardnum 0x00 function 0x00: vendor 0x1186 device 0x4b01 D-Link System Inc DGE-530T Gigabit Ethernet Adapter (rev 11) ...
2
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1answer
382 views

Monitor bandwidth on personal network [duplicate]

Possible Duplicate: How can I monitor internet usage in my network? I have a personal Wifi network at my home used by the usual range of devices(laptop, desktop, smartphones etc.) I use a ...
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2answers
12k views

How can I connect to multiple independent networks at the same time?

I have two independent networks, one is wireless with the details: Range: 192.168.0.1 to 192.168.0.255 Subnet Mask: 255.255.255.0 Default Gateway: 192.168.0.1 And one which is wired with the details:...
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2answers
972 views

Performance decrease on simple network app when run on 'better' machine

I've spent half a day trying to figure out why a simple network comms app runs slower on what seems to be a better specced machine. There are two programs: a simple client which, over TCP/IP connects ...
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1answer
512 views

How can I backup my Debian VPS to my local Windows Server?

I've just set up my VPS (Debian 6) and configured everything nicely and I now want to get a backup in place. I have a Windows 2008 server running at home that I would like to use if possible. Is there ...