All connections, wired, wireless, internet, intranet, and cable fall under this category. Use this tag if your issue involves establishing, maintaining, adding, or removing connections.

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17
votes
4answers
29k views

When concurrently connected to wired and wireless ensure Windows 7 uses wired connection

When I am at my desk and my laptop is in its docking station I want to ensure that it uses its wired connection and not my wireless network. I am hoping/guessing that the preference in connection is ...
15
votes
9answers
51k views

Generating usage logs that prove my Internet connection is flaky

I need a way to generate reports or logs that prove that my Internet connection is flaky. My Comcast connection is very flaky but if I ask their support to send someone over it will probably work fine ...
13
votes
2answers
3k views

SSH is slow to make a connection

I just installed Ubuntu 11.10, and whenever I try to SSH into my servers it's very slow. Before it displays the password prompt, it can take between 40 seconds and 60 seconds. I use: ssh ...
13
votes
3answers
14k views

How do I set the priority of network connections in Ubuntu?

If a Ubuntu 11.04 machine is connected to WiFi and 3G simultaneously, how do I set the priority to let the applications (browser etc.) to use WiFi first? If that's not available, it should use the ...
11
votes
4answers
129k views

How can I block a program from accessing the Internet? [duplicate]

I really want to know how can I prevent a program to connect to Internet with Windows 7 firewall? I have smart security nod32 business edition installed on my computer. should i do this job with ...
9
votes
1answer
67k views

Use PC internet on mobile phone via bluetooth

I want to use my Windows 7 PC's dial up internet with my cell phone (Nokia N73) via Blutooth connection. Can I do that with some program?
9
votes
6answers
14k views

What angle is optimal for the antennas on my wireless network card?

I'm sharing a house with some friends and I'm in the bedroom right up in the attic. The router is right down on the ground floor and I get connectivity issues. I've found that if I adjust the two ...
9
votes
2answers
2k views

Utility to monitor internet connectivity?

I live in an apartment complex which advertises a "free high-speed internet connection"... but it's really not high-speed at all, and often not even a connection. That is, it's frequently the case ...
8
votes
1answer
5k views

Can the Telnet/Netcat client communicate over SSL?

I would like to test client connections with IMAP over SSL, HTTPS, and other secure text-based Internet protocols over SSL/TLS, the same way I would using Telnet or Netcat if they were not tunneled ...
8
votes
2answers
5k views

Internet appears to function correctly, but cannot access Steam or Battle.net?

I am able to surf the web and my LogMeIn client is not reporting any errors, but I cannot connect to Battle.net or Steam. (I can still visit Battle.net and Steam via my web browser.) I was actually ...
8
votes
2answers
383 views

Connection speed fast once I start Fiddler

I have two laptops, one of them has no problems whatsoever when it comes to browsing the internet, everything is speedy and pages load as expected. The other one however, is a nightmare. Pages load ...
7
votes
3answers
22k views

Can't ping but can access internet just fine?

I'm wondering if anyone has ideas on this one, since it's a first for me. I can access the internet just fine with a browser, but using PING or TRACERT from a command prompt just shows requests ...
7
votes
3answers
12k views

How do I connect two computers with a LAN cable?

I have two machines - Windows XP and a laptop using Windows 7. I connected them with a WLAN cable. On the Windows XP machine, I set the IP address to 192.168.0.10. On the Windows 7 laptop, I set the ...
6
votes
11answers
376 views

I can't open google-related sites

I'm getting timeout errors on google-related sites. If I try to open google.com, gmail.com, etc, it will keep displaying the "waiting reply" on the browser bottom, and the page won't open. If I am ...
6
votes
4answers
29k views

Open a test TCP connection to a specified IP/Port

I'm looking for a tool that works across windows (xp through 7) that will allow me to open a TCP connection to a specified ip and port. This functionality used to exist in windows xp (netsh diag ...
6
votes
4answers
20k views

When a PC has both a wired and a wireless connection, how is information transferred?

My PC has two connections (wireless and wired) simultaneously. Both of them have an internet connection. In this situation, how does it connect to the internet? How do my LAN and WLAN interfaces know ...
6
votes
4answers
1k views

Why are Microsoft based programs unable to resolve host names?

When I go to Google by IP I get: When I go to Google by domain name I get: This is confirmed by Windows Live Messenger: However, Firefox just works fine: When I do a DNS lookup I get this ...
6
votes
1answer
2k views

Why Windows 7 / PuTTY drop TCP connections even on very brief outages?

I have a small local network that piggybacks on a captive WiFi, and I use ssh on OS X with -oServerAliveInterval=240 and PuTTY 0.62 on Windows 7 Professional for establishing connections to my Linode, ...
6
votes
6answers
6k views

Windows periodically disconnects, reconnects to the network

Update 2012-03-27: It might be the physical connection from my cable modem to my provider. The cable provider says he's seeing disconnects of the modem, and they're sending a technician. (Also, please ...
6
votes
2answers
6k views

Remote Desktop fails after VPN connection

The local computer (comp 1) is connected to a remote computer (comp 2) with Remote Desktop. On the remote computer (comp 2), I try to establish an VPN connection to a different remote computer (comp ...
6
votes
1answer
2k views

How to enable Internet connection sharing using the command line in Windows 7 [duplicate]

How can I share my Wireless Internet with an existing local network? I don't want to create new Wireless Network Connection 2 using this command: netsh wlan set hostednetwork mode=MODE ssid=SSID ...
6
votes
2answers
7k views

Slow Download, Fast Upload

I just moved into an apartment in Seattle and am subscribed to Comcast high speed internet. My download speed is only 0.25 Mbps, while my upload speed is around 3 Mbps. I should be getting 12 Mbps ...
5
votes
5answers
1k views

Can a slow internet-connection corrupt a file?

When downloading a big file, can a slow internet connection cause it to corrupt?
5
votes
6answers
12k views

How to bond two different internet connections

I have two internet connection, each with 4mbps bandwidth. I want to join/merge both of them to get 8mbps speed, both routers have WLAN and LAN capability. How to Double my speed using two routers? ...
5
votes
1answer
3k views

Recommended Connection Speed for Remote Desktop

I will be working remotely from India during my vacation there and am looking to get an internet setup there that will allow me to work from India when needed. However the internet connection speed in ...
5
votes
5answers
2k views

How to keep refreshing a page until it loads?

I am trying to access a web-service that is currently very popular. Because of that I get a default browser message that says it could not connect. Is there an application, or special browser, or ...
5
votes
3answers
5k views

Why do I regularily lose my wireless connection?

I use a wireless connection to access the Internet, and lately (since upgrading to ubuntu 9.10 karmic koala) it has started to be a pain in the ***. Every once in a while (loosing count at the end of ...
5
votes
3answers
11k views

wi-fi connection drops periodically for a few seconds

I've read the similar question on wireless connections dropping, but no answer seems to apply to my case I have configured the wi-fi lan of my router to broadcast sid and use WPA-PSK. Every few ...
5
votes
8answers
14k views

Internet connection under Windows Vista stops working until reboot [closed]

I have a fairly clean Vista Home Premium SP1 install on my desktop. There aren't many applications installed. My Internet connection always seems to stop working after web surfing for a while - ...
5
votes
1answer
788 views

How can we prevent Skype accounts repeatedly going offline and online again?

Several of my Skype contacts appear to spend all day logging out and in again. I've asked them and they're not really doing anything, but my Skype app continually notifies me that they've just come ...
5
votes
1answer
1k views

Why does my wireless router disconnect when I turn on my cellphone's WiFi?

For the last seven months, I have been dealing with Internet problems. However I finally found out why my wireless router has been disconnecting randomly. Every time I enable WiFi on my HTC Android ...
5
votes
2answers
367 views

Google.com Certificate Revoked

A few days ago, I noticed some issue with my internet connection. Some pages weren't loading all the way, and some connections needed to be restarted several times before they would resolve. I assumed ...
5
votes
3answers
574 views

VPN Router drops connections

We are using a Netgear VPN Firewall Router FVS318v3.. We have a DSL connection here at the office, and my users complain of the connection dropping, or locking up on their end.. Latest firmware is ...
4
votes
1answer
6k views

Is there a hard limit of 65536 open TCP connections per IP address on linux?

Is there a hard limit of 65536 open TCP connections per IP address on linux? I read somewhere that there was, but someone is asking for confirmation and i just can't find it. I seem to remember it ...
4
votes
2answers
144 views

How do I connect to a SQL Server DB to run some queries?

I have a SQL Server DB but have no idea how to connect to it to run some queries. I naively assumed that I'd be able to open up a DB in a similar fashion to Microsoft Access, but can't seem to do ...
4
votes
2answers
887 views

Inserting a non-Internet LAN cable breaks wifi

My vista laptop catches wifi fine here. But when I plug in a lan cable (for a separate pc-to-pc connection), the wifi stops working (page loads timeout). Any idea why? It seems vista thinks I'm ...
4
votes
1answer
126 views

Acorn Archimedes 420/1

I have an old Acorn computer which I am sure works fine but the monitor gave up years ago. It has a 9 pin analogue RGB port. Any suggestions on getting a monitor that will work with it?
4
votes
2answers
1k views

How can you get internet on a train? [closed]

There are some rail road companies offering an internet connection to their customers. How can they do it? What kind of internet connection can they have on board a moving vehicle? Satellite ...
4
votes
4answers
805 views

What can I do to resolve intermittent connection lapses while listening to music via my Airport Express?

Does anyone know what can I do to resolve intermittent connection lapses while listening to music via my Airport Express? I've tried everything short of buying a stronger wireless router, but it ...
4
votes
2answers
8k views

How can I change the default website connection timeout in Chrome?

I want to change the default timeout in Chrome. In Firefox I can set the value of network.http.connection-timeout in about:config - but how can I do that in Chrome?
4
votes
1answer
4k views

how to throttle downloads in Chrome

I've got various downloads I'd like to get without impacting the rest of my office's connection speeds (we're on a pretty slow connection). I was wondering if there was some way to easily add/remove ...
4
votes
1answer
632 views

Finding bandwith used by individual computers in a Home network

We have 3 computers connected wirelessly to Netgear WGR Router, which is connected to internet. Is there anyway I can find out the individual comp's bandwidth consumption at any point in time and a ...
4
votes
1answer
231 views

SSHing to remote linux server over site-to-site vpn disconnects when running commands with lots of output

When I ssh using putty into a remote linux server over a site-to-site vpn, I can list certain directories if there's a small number of files/folders. If I try to list a directory like /etc with a ...
4
votes
2answers
795 views

External HDD connecting via USB disconnects wireless LAN connection

Strange problem. I have this MEDION Akoya PC that has a dedicated bay to slide an external HDD sold separately. It's very handy indeed cause the slot is providing a fast USB 3 connection and power ...
4
votes
2answers
1k views

Why doesn't my local area connection have a valid ip configuration?

I started my computer today without being able to connect to the internet for some very odd reason. As the title says, that is the name of problem that Network and Sharing Center says on Win7. It is ...
4
votes
5answers
7k views

Router keeps disconnecting from the internet

In our apartment we have 4 computers: two desktops and two laptops, all wirelessly connected through a wireless router (Edimax BR-6226n) connected to a cable modem (Motorola SBV5121). The problem is, ...
4
votes
1answer
145 views

What adapter to use with an AT connection for USB/PS2?

I am planning on purchasing a vintage IBM model M keyboard. From the specs I can see that the connection that it uses is an "AT" connection. What sort of adapter would I need to get to make it work ...
4
votes
1answer
923 views

Why can't I connect to my Amazon S3 storage with two of my three clients?

I use Transmit, Cyberduck, and Espresso, all of which support connecting to Amazon S3. But for some reason, I can only connect to my S3 storage successfully in Transmit; Cyberduck and Espresso both ...
4
votes
11answers
7k views

LAN/WLAN/home network connection dropping intermittently

I'm having an issue on our home network that is driving me mad. More often than not, when a user on our LAN is downloading and using most of the bandwidth my connection my PC or my laptop or my ...
4
votes
2answers
4k views

Can't access the Internet in VMware Workstation

I'm using VMware 7.1.2 in Windows 7 with Ubuntu 11.04 as a guest OS. In the host OS (Windows 7), I can access the Internet without any problems but in the virtual machine I can't access the Internet. ...