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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10
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5answers
2k views

Top ten security tips for non-technical users

I'm giving a presentation later this week to the staff at the company where I work. The goal of the presentation is to serve as a refresher/remidner of good practices that can help keep our network ...
1
vote
2answers
759 views

Access Linux machine on local network through Mac with Internet sharing?

I was wondering how to access a Linux (Ubuntu Karmic to be exact) on the local network when it is connected through a Mac with Internet sharing (AirPort to Wired).
3
votes
2answers
469 views

Manage Internet connection for a program

I am using a Windows 7 PC with 2 network cards. One for a public line and one for an internal line behind a proxy. Is there a way or a software program where I can manage which program (Outlook, WM) ...
2
votes
1answer
492 views

Unable to connect to MSN network with Adium

I'm new to the Mac world and tried both MSN Messenger for Mac (7.0 and 8.0 beta) as well as Adium to connect to the Windows network. I've enable 'Allow all incoming connections' in the Firewall ...
1
vote
1answer
3k views

Is the hosts file ignored in windows if DNS Client service is running?

I've seen a number of articles about how to edit the hosts file in Windows 7, but it's all about how to open notepad as administrator, not the actual behavior of the dns lookups afterward. I've read ...
2
votes
2answers
892 views

How do I set up a shared internet on a network using computer hooked up to a router

I got a wireless broadband modem (Huawei E1750) hooked up to my computer (call it A., running Windows-7) whose internet I wish to share to my other computer (call it B., also running Windows-7). A. is ...
6
votes
5answers
391 views

Could it be a malware?

Something makes all browsers on any operating system or computer of my home network to open random web pages and ask to install a Microsoft protection of some kind, what could do that? It send random ...
4
votes
3answers
28k views

How can I find out what's uploading traffic to the internet? [duplicate]

Possible Duplicate: Any good utility to track outgoing traffic and requests from win PC? Some program I'm running is constantly uploading to the Internet. It's uploaded 300MB in the last ...
2
votes
1answer
1k views

Virtualbox completely disabled my ethernet and wireless network connections

After installing VirtualBox 3.1.6 for Windows, my computer's network connections were completely disabled. The wireless isn't working, not even the ethernet landline. Even "ipconfig" doesn't seem to ...
7
votes
3answers
20k views

How to generate UDP packet

I want to generate UDP packet to test a program, something equivalent to using telnet to test TCP port (Can telnet generate UDP packet?) How can I do this?
3
votes
2answers
2k views

Losing WLAN connections but maintaining internet connections on Windows 7 workgroup

I have 4 computers all running Windows 7 networked in a workgroup through Billion 7404vgp-m wireless router. All drivers and firmware for wireless adapters and router are up to date. Windows ...
3
votes
2answers
715 views

How to set up DHCP-configured access through a Linux box?

I would like an old desktop box to use my laptop as a router to access the internet. Here is my setup: I have one ethernet port in the side of my laptop which I want to use to get internet access ...
3
votes
2answers
2k views

Networking Mac OS X 10.6 and Vista via ethernet?

How can I make Vista home premium access OS X hard drive? and the other way around? I'd like to transfer files via direct ethernet. Plugging in an ethernet cable makes both computers recognize a ...
56
votes
5answers
173k views

How can I scan the local network for connected devices? (Mac OS)

I'm basically looking for something like this but available on Mac. I am trying to connect a new workstation to our wireless multifunction printer and I'm having a hell of a time getting the device ...
2
votes
1answer
325 views

Some Networking questions with Airport

Is it possible to to connect to multiple networks at the same time using the AirPort wireless card on my iMac 21.5"? Can I connect to an ethernet-based network at the same time as I'm connected to ...
3
votes
3answers
3k views

A gigabit network interface is CPU-limited to 25MB/s. How can I maximize the throughput?

I have a Acer Aspire R1600-U910H with a nForce gigabit network adapter. The maximum TCP throughput of it is about 25MB/s, and apparently it is limited by the single core Intel Atom 230; when the ...
0
votes
1answer
44 views

How to install a software so that it can be utilized by a home network?

How do I install a software so that it can be utilized by a home network? For example, wampserver?
0
votes
1answer
462 views

Cannot access router outside of network [closed]

My router's ip cannot be accessed using my phone. It just says server not found.
3
votes
3answers
6k views

How can I force Windows 7 to use specific network adapters per program?

I am using Hamachi VPN. I want to setup Windows 7 to use the Hamachi VPN network adapter for specific software on my system; other softwares should use the regular network adapters. Is this possible ...
2
votes
1answer
1k views

Access Router after logging into VPN

I access my linksys router through its webserver (192.168.1.1 into a web browser), but can no longer access it once I log into my work vpn. Is there a way I can still get at my router and change the ...
1
vote
1answer
897 views

Command to find out which machines I share a network with

Can I find out which other machines (their IPs) are on my network via Ubuntu command line? What I currently do is install Wireshark and monitor the traffic. Was just hoping there was a simpler way of ...
2
votes
6answers
145 views

Queston about torrents [duplicate]

Possible Duplicates: How to make torrent downloads faster? Download rates of torrents through µTorrent and FlashGet are suddenly limited How to open ports on modem for better torrent ...
0
votes
1answer
325 views

Why is Transmission constantly active?

I am using Transmission (1.92, the latest version) in Mac OS X 10.6.2 Snow Leopard, and have noticed that, without any torrents (at all, not even paused), Little Snitch reports constant activity from ...
1
vote
2answers
72 views

What are the ways that I can test and improve the security of my network?

I have a wlan setup with that my neighbors can probably access if they're knowledgable enough. My setup includes wireless authentication using WPA/WPA2 mixedmode, WPA-PSK pre-shared key, and enforced ...
1
vote
3answers
6k views

Convert to WAN port

I have a ADSL2+ Modem/Router. Is it possible to set one out of four of the LAN ports as a WAN port? If yes, how? The brand/model is: Prolink H9200P. I already contacted Prolink about this and the ...
2
votes
1answer
645 views

Looking for home networking hardware and software advice [closed]

Note: I originally wrote this up in a blog post. I've recently moved home and I now need to go to the trouble of sorting out my home network yet again. We had Virgin broadband in Hertford but you ...
0
votes
2answers
6k views

Networking conflict - What is the most common default computer name for Windows?

I recently had to change the name of my computer to log onto a public wi-fi spot, because a computer with my name was already logged on. (I asked a guy there what to do after it said there was already ...
0
votes
1answer
717 views

Which subnet masks are valid for a subnetted Class B address?

Yes, this is a school question, and yes I already know the correct possible answers (supposedly), so I'm not going to bother posting them. Instead, I just want to understand the meaning of this ...
0
votes
1answer
620 views

Two Ubuntu Instances (Guest) networking with XP (Host) in virtual box v3.1.4

So here is my current objective: I need to create two guest instances of Ubuntu Desktop 9.10 in VirtualBox on a WindowsXP host. (This is needed for communications later on.) (this step is almost ...
0
votes
1answer
2k views

Other computer can't connect to MySQL Database

I have a VB .NET program the uses a MySQL database. It works when the computer that has WAMP installed is the one running the program. The same program now displays an Unhandled Exception error when ...
4
votes
4answers
5k views

Under what circumstances can/will a 10BASE-T device slow down a 100BASE-T or faster network?

Suppose I have a 10BASE-T device, but everything else on my network is 100BASE-T or faster. When I attach the 10Mbit device, one of two things could happen: It could be passed through as 10BASE-T, ...
1
vote
1answer
1k views

OpenVPN DNS: VPN DNS stomping local VPN

I've finally noodled with OpenVPN enough to get it working. Even better, I can mount samba drives, ping network machines through the TUN device, etc - it's all great. However, I'm noticing that if I ...
1
vote
3answers
2k views

How to connect the printer HP 2575 to a network?

I have 2 PCs and a router and I want to connect my HP 2575 to this network. So, I found a network cable and I connected the printer to the router. I access the router and I can see that the printer ...
4
votes
1answer
11k views

How to share Internet connection on Mac OS X to Virtualbox vm's using Host-only

In one line: is the following possible: AirPort <- Mac OS X bridge -> vbox-Host-only -> VM's On a Mac OS X, I have VirtualBox with a virtual machine. For now I have configured 2 interfaces for my ...
59
votes
8answers
180k views

Is there a good tool for monitoring network activity on Mac OS X? [closed]

Is there a good bit of software on Mac OS X that I can use to monitor incoming and outgoing network activity? Nothing too geeky, I just want something simple to use. I'm on version 10.6 (Snow ...
1
vote
1answer
99 views

no internet connection in windows 7

I've disabled the network that connects to the internet. But I don't know how to enable it. How do I do it. This is a lan, dsl
0
votes
1answer
3k views

How to use hamachi to transfer files over a private network

please help, How to use hamachi to transfer files over a private network
1
vote
1answer
1k views

Change Fedora 12 Hostname through gui

How can I change fedora 12 hostname using gui tools (network connections) only, without editing config files? All I can see right now if I select "Manual" in IPv4 settings is "DNS servers" or DHCP ...
2
votes
1answer
7k views

How to set up VPN connection? Virtual Box 3.1.4 installed. Host - Snow Leopard(Mac) Guest - Windows 7 (32-bit)

I have Virtual Box 3.1.4 installed. Host - Snow Leopard(Mac) Guest - Windows 7 (32-bit). I have installed Windows on my MAC because I need it for work. I cannot establish VPN connection (using NAT). I ...
0
votes
2answers
2k views

Networking: Adding specific route for printer, on Mac Connected to Two Networks

I have a Mac connected to two different networks (wireless en1 and ethernet en0 ). The ethernet network is the preferred (System Preferences->Set Service Order). I'd like to be able to print to a ...
2
votes
2answers
1k views

Migrating from DD-WRT to Tomato

Is it possible to switch to the latest version of Tomato on a router that's already running DD-WRT? Using the default Linksys firmware on my WRT54GL v1.1, I had to upload a micro version of DD-WRT ...
0
votes
1answer
82 views

File sharing among pc and iMac

iMac and pc are connected with gigabit router to share files. What suggestions you might have to speed up the sharing of files from one computer to the other
4
votes
1answer
2k views

Configuring default gateway returned by dhcp server

I have a machine which connects via ethernet to a private LAN, and wireless to a network which provides internet connectivity. The private LAN uses a wireless router to perform DHCP. The problem is ...
2
votes
2answers
2k views

Is there a way to Call with skype in my LAN without internet connection?

Is there a way to Call with skype in my LAN without internet connection ? If yes, tell me how please ;)
1
vote
2answers
3k views

Wireless Network Disappearing From Available Networks (Windows 7)

I have been using Windows 7 with a BT Voyager wireless adapter to connect to my home wireless network for around the last 6 months or so and until recently have experienced no problems. However, over ...
5
votes
5answers
11k views

Play system sounds from one computer through another computer's speakers?

I have a Mac and a Windows PC at work. I use both at the same time with Synergy and SynergyKM, which is a great setup for me. The Mac has built-in speakers and the PC has a sound card, but no ...
0
votes
5answers
1k views

Long time to access network when windows 7 resumes from sleep

Although my machine resumes from sleep very quickly, the network access takes quite a few seconds. Why should this be? I have specified fixed IPs, hardcoded the DNS and gateway settings. Any clues ...
0
votes
4answers
455 views

Installing linux on a crippled machine via network boot?

I have a somewhat ancient Toshiba laptop (which can't boot from USB) that I want to install linux on (probably Ubuntu). I'm currently running Windows XP and Ubuntu via Wubi. I want to delete these ...
0
votes
2answers
351 views

What's the likely culprit in email delay?

If anyone can shed light or point me to a tutorial, I'd appreciate it. We are a tiny company and have experienced occasional delays in receiving email sent between staff members. We are in separate ...
0
votes
2answers
6k views

Windows 7 can't connect via ethernet to Airport Extreme

I have an Airport Extreme router, and everything works beautifully on the Mac, but my Windows 7 computer, which is connected via a regular ethernet cable, can't see any network. The Windows computer ...