Questions tagged [connection]
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.
1,329
questions
88
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Can the telnet or netcat clients 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 ...
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83
votes
3
answers
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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?
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80
votes
18
answers
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Windows 10 Remote Desktop Connects with Black Screen then Disconnects
I've been having this issue since I updated (fresh install) to Windows 10 Professional. I used to connect to my computer via RDP through WAN and LAN with no issues.
After installing W10 and setting ...
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77
votes
8
answers
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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 3G....
- 1,835
68
votes
3
answers
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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 ...
- 1,374
56
votes
4
answers
15k
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What is the actual speed of SATA 3?
Google says it is running at 6Gb/s. The throughput is at 600MB/s. 600MB/s equals 4.8Gb/s.
Does this mean that the bandwidth is 6Gb/s but the actual throughput is 4.8Gb/s ?
- 1,113
53
votes
11
answers
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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 ...
Jay
47
votes
6
answers
353k
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How can I see all active connections?
My Internet connection has been slow lately, and I think it might be a possible attack. A friend has told me to use Wireshark, but it is a big install, and I do not have the time to learn how to use ...
46
votes
1
answer
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What happens to TCP connections when I remove the ethernet cable?
For a TCP connection, when I remove the cable and reconnect after 30-40 seconds there is no packet loss issues. But when the reconnect time is more than a few minutes all the packets are lost. I know ...
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30
votes
1
answer
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Why aren't SD card 'contacts' uniformly placed?
As you can see above, Some contacts seem to be longer than the rest. Also, on the SD card (2nd from top) the last one seems to be thinner and also closer to the seventh pin.
Why not just uniformly ...
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29
votes
2
answers
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SSH is slow to make a connection [duplicate]
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 myuser@...
- 443
29
votes
4
answers
42k
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How can I script a bluetooth device to connect/disconnect?
I have bluetooth headphones which I use to both listen to music from my mobile phone and to listen to videos on my laptop. They cannot be connected to both devices at once (note here), so I have to ...
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28
votes
8
answers
122k
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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 ...
- 882
28
votes
2
answers
37k
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How do I keep my bluetooth headphones from connecting to my windows 10 machine when it's connected to my phone?
My laptop (running Win10) repeatedly "steals" the bluetooth connection for my headphones while they're connected to my phone. The only way I've been able to prevent the headphones' connection from ...
- 1,084
27
votes
3
answers
70k
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How can I easily connect and disconnect my bluetooth speakers in windows 8?
I have a bluetooth speaker system in my windows 8.Is there any other way of connecting and disconnecting without re-adding the device with its drivers/going out of range and turning off bluetooth in ...
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24
votes
6
answers
225k
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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 ...
23
votes
4
answers
70k
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How to test router-to-PC connection speed?
Is there a way to benchmark how fast my router is connected to my PC, independent of the internet?
I've had slower-than-usual internet-based benchmarks, and I'm having a hard time figuring out if it'...
- 23.7k
22
votes
1
answer
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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 ...
- 1,814
22
votes
2
answers
58k
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How do I stop my Mac from asking to accept incoming network connections?
I am using Syncthing, which is an application to sync files between two or more computers. I believe Syncthing (on github) needs to be allowed to Accept incoming network connections to work properly.
...
- 1,258
21
votes
4
answers
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Why use half duplex at all?
I know what full and half duplex is, but in all respects full duplex has more advantages, so why use half duplex at all, in other words:
In full duplex connection , the bandwidth doubles and collision ...
- 514
21
votes
2
answers
95k
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How to determine a network cable's maximum speed?
I have some machines connected in my workplace network using Ethernet cables. I know some types of Ethernet cable can handle speeds up to 5 Gbps but I'm not sure which ones. So I want to determine the ...
- 571
21
votes
4
answers
96k
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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 ...
- 401
17
votes
5
answers
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What happens when Gigabit switches are connected over an old CAT5 cable?
If two gigabit switches are connected using an old CAT5 (not CAT5e) cable, will they slow their connection down to 100 Mbit/s?
- 2,707
17
votes
4
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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 ...
- 1,914
17
votes
4
answers
93k
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How to disconnect a network drive using powershell
I would like to disconnect a network drive (Y:) with powershell. That drive letter is assigned / mapped to a network location. Is there a simple way to do that?
I believe "net use XXX /delete" would ...
- 1,993
16
votes
8
answers
39k
views
Is there a way to determine which service (in svchost.exe) does an outgoing connection?
I'm redoing my firewall configuration with more restrictive policies and I would like to determine the provenance (and/or destination) of some outgoing connections.
I have an issue because they come ...
- 7,179
16
votes
1
answer
11k
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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, ...
- 2,475
15
votes
5
answers
42k
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Using degraded feature set TCP instead of UDP for DNS server
I periodically experience a disconnection with my laptop. The connection period lasts about 3-6 minutes. I know for certain that the WiFi works fine.
Using the command sudo journalctl --since="-2 ...
- 184
14
votes
8
answers
72k
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How to bond two different internet connections [duplicate]
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?
...
- 347
13
votes
3
answers
109k
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What is ideal internet speed for remote desktop connection?
My question and situation is similar to Recommended Connection Speed for Remote Desktop question but I need a little more info.
I know that lag can be a factor in working on remote desktop. Lets ...
- 2,044
13
votes
2
answers
6k
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 ...
- 6,765
12
votes
3
answers
52k
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How to stop remote desktop logoff after closing the connection
While I am using remote desktop connection(mstsc.exe), when I close the connection, I get logged off from the remote machine.
Is there a way to stop logging off after disconnection ?
Client and ...
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12
votes
2
answers
43k
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Why does restarting a computer solve wifi connectivity issues?
I saw the the question on this site, asking about why restarting a computer can fix things in general, and I figured I might press for additional insight.
On occasion I'll be scooting along on the ...
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11
votes
1
answer
66k
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How to force a connection to a site through Chrome (or any other browser's) "Your connection is not private" screen
Trying to connect to a site for work but I keep getting a "your connection is not private" screen that won't allow me to bypass it by the usual drop down and continue to site. I 1000% do not ...
- 113
11
votes
1
answer
14k
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Wide SATA? connector with no break in the middle
I need to connect my hard drive from my Lenovo T470p to my desktop, but it uses this wierd connector. It looks like the standard wide SATA, but there's no break in the middle.
What's this called, ...
- 281
11
votes
3
answers
47k
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Disconnect from a network share
How do I really disconnect from a network share in Windows 8.1?
I'm familiar with using net use to disconnect from a network share, even if it isn't mapped to a network drive letter:
net use \\...
- 1,545
11
votes
1
answer
25k
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Disconnect VPN Using the Command Line
I make VPN connections using Vista's Connection Manager, and would like to disconnect the VPN connection from the command line so I can create a shortcut command called vpn.disconnect in Promptu ...
- 223
11
votes
3
answers
46k
views
Why does ssh frequently disconnect with 'connection reset by peer'?
Why do I get 'connection reset by peer' SSH disconnections more frequently from my home internet versus the office internet?
I've been researching this issue on and off for years now and the other ...
- 332
10
votes
1
answer
5k
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unusual networking issue - device online but not pingable
So, here's a curious situation. Forgive me if it's obvious and perhaps I'm just missing it.
I have a client device (Surface Pro 4) which as far as I can tell is online. The user can browse the web, ...
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10
votes
1
answer
91k
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?
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10
votes
6
answers
66k
views
How to connect to an HTTPS WebDAV Folder on Windows 7?
I'm trying to connect to an HTTPS WebDAV folder on Windows 7. I go to a "Computer" Explorer window, right click, and click "Add a Network Location." I follow the prompts and get "The folder you ...
10
votes
3
answers
10k
views
Restore console session after remote desktop disconnects?
Is it possible (through group policy, etc) to automatically restore the console session to a Windows 8.1 PC after a remote desktop session disconnects?
I'm aware that you can run the command "tscon 1 ...
- 1,235
10
votes
1
answer
23k
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How to get a persistent reverse SSH tunnel using autossh?
(just asked this on SO but was adviced to take it here)
I managed to create a reverse SSH tunnel between a Raspberry Pi 2 and a server of mine (server which has a static IP) and it works fine. The ...
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10
votes
5
answers
22k
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 ...
- 473
10
votes
2
answers
15k
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 ...
- 1,825
10
votes
1
answer
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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 ...
- 101
10
votes
4
answers
43k
views
How do I test my connection to a given site?
Although internet connection is fast enough (8 Mbps, wireless speedtest), I'm having trouble streaming radio from a certain site. Here's the peculiar thing: the stream seems to run smoothly on other ...
- 786
9
votes
3
answers
10k
views
Why don't p2p connections need open ports?
I mean, if someone is downloading a file from me, doesn't that means that I'm the host and he is connecting to me?
Or am I connecting to him?
Either way one of us need an open port, no?
I don't ...
- 1,642
9
votes
3
answers
24k
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sign_and_send_pubkey: signing failed: agent refused operation
I have tried every possible piece of command I could lay my hands on. I still get this. I spun a digital ocean droplet with ubuntu 16.04 on it. I followed the tutorial until I had to login in again ...
9
votes
1
answer
2k
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What prevents unsolicited internet packets from using up my monthly data limit?
My home router can use port-forwarding to act as a server, so I assume all internet packets
sent with my public IP address as a destination are hitting it (and just not getting any
response from my ...
- 643