Questions tagged [networking]

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

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Cannot access LAN with WAN address from within my LAN [duplicate]

Ok my title is a little bit convoluted. Allow me to explain. I have a server in my LAN that listens for HTTP connections at let's say 192.168.1.10:1234. I can access this address from my other ...
nikferrari's user avatar
5 votes
1 answer
5k views

Changing routing on Mac with two Ethernet ports

I have a Mac tower which has two Ethernet ports. One is connected to our corporate network, the other to a non-corporate network. Priority order states that the non-corporate network comes first and ...
Tony's user avatar
  • 281
4 votes
5 answers
2k views

Editing the hosts file

I'm looking to edit the Windows TCP/IP hosts file (at c:\windows\system32\drivers\etc\hosts). I'm wondering, what is the best way to do this (on Windows XP)? Let's say that I want to redirect, say, ...
Maxim Zaslavsky's user avatar
3 votes
3 answers
12k views

Can virtual machines infect their host? [duplicate]

Possible Duplicate: Virtual Machine and Virus I've always been curious because I've run a virtual machine a few times. Can a VM infect the host with a shared drive between the two? Can a VM ...
Corey's user avatar
  • 1,252
3 votes
1 answer
20k views

Stop Windows 7 from clobbering one VPN when connecting to a second?

I currently connect to my network drives at work using a VPN. I run Windows 7, updated weekly-ish. (Updates often interrupt me, so I don't have them automatic anymore. I don't suspect this is related, ...
E.T.'s user avatar
  • 287
2 votes
4 answers
7k views

Host and guest suddenly cannot communicate in bridged mode after working fine before

Up until a few hours ago, my VirtualBox setup worked perfectly, Windows 10 Host, Ubuntu 15.04 Server and Linux Mint 17.2 guests. Both guests set to bridged networking mode and every device on my home ...
RikuXan's user avatar
  • 334
1 vote
1 answer
728 views

Routing between two

I have the following network setup: From Laptop I can ping any IP in the 192.168.2.0/24 network and I have internet access. On Tower PC I can ping any IP in the 192.168.2.0/24 network (including 192....
Fabricio's user avatar
  • 115
389 votes
1 answer
24k views

Ping faster than light

I just discovered very strange thing while testing my internet connection. My ping is smaller than it should be. For example ping time to Arizona State University is about 14ms. eryk@eryk-pc:~$ ping ...
dagi12's user avatar
  • 2,579
253 votes
4 answers
336k views

Connect to the host machine from a VirtualBox guest OS?

I'd essentially like to access my host computer from the guest in VirtualBox. Is there an IP address given for my host which I can use from the guest? Are there extra steps required to set this up? I'...
Naftuli Kay's user avatar
  • 9,621
83 votes
3 answers
192k 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?
David's user avatar
  • 942
69 votes
5 answers
68k views

Do web browsers use different outgoing ports for different tabs?

In a web browser that supports having multiple tabs, such as Firefox, do different tabs that go to different website domains use a dedicated port for each domain?. Or does the browser use a single ...
yoyo_fun's user avatar
  • 1,843
58 votes
2 answers
195k views

What is Windows command to convert machine name to ip address and vice versa?

I need to know the ip address of another machine in a lan network. What is the Windows command for getting ip address from machine name and vice versa?
Bob's user avatar
  • 3,195
54 votes
6 answers
225k views

Pinging a machine on my local network gets an 'unreachable' response from my own IP address?

Edit for future readers who get here from google: This question is now the top google result when searching for 'destination host unreachable from my own ip address'. If that's how you got here, then ...
Cam Jackson's user avatar
  • 2,496
49 votes
13 answers
904k views

Windows command to display all IP addresses

I know there is a single line of a command and its arguments that can help display all computer IP addresses (those that are being used) on a LAN, and my computer is also a client, as one of those ...
Bé Vú Sữa 1's user avatar
41 votes
5 answers
46k views

Why is Chrome ignoring /etc/hosts on OS X?

I'm using OS X 10.8.5 and Chrome 30. I added 127.0.0.1 youtube.com to my /etc/hosts file such that it now contains this: # Host Database # # localhost is used to configure the loopback ...
Jonathan's user avatar
  • 413
38 votes
5 answers
49k views

SSH Reverse socks tunnel

ssh -D can make a socks port at local machine, which pass the traffic to the remote, then to other places. ssh -L port:host:hostport, listen port at local machine, pass the traffic to "host:hostport" ...
Berry's user avatar
  • 491
34 votes
3 answers
34k views

Many excludedportranges how to delete - hyper-v is disabled

Since the Windows update 2004 I am fighting with many programs and tools that can't bind to certain ports. A bit research I stumbled across: netsh interface ipv4 show excludedportrange protocol=tcp ...
dermoritz's user avatar
  • 772
29 votes
4 answers
256k views

Why can't Chrome load a web page? ERR_NAME_NOT_RESOLVED

Chrome gives this error, yet I can ping the server! The server at www.odesk.com can't be found, because the DNS lookup failed. DNS is the network service that translates a website's name to its ...
Chloe's user avatar
  • 5,946
28 votes
6 answers
78k views

Samba+Windows: Allow multiple connections by different users?

I have a machine running Ubuntu with Samba that I use to share stuff with my family's Windows machines in our local network. Currently they access a share for movies/music/etc with one user. I want ...
user avatar
26 votes
14 answers
76k views

Hyper-V External network switch kills my host's network performance

I have Windows 10 fully updated. I do the following: Testing internet speed - 70 Mbps up / 70 Mpbs down Hyper-V Manager Virtual Switch Manager Create Virtual Switch - External Testing internet speed -...
Maris B.'s user avatar
  • 1,342
26 votes
2 answers
159k views

How can I connect to a web server running in a VM when the VM is in NAT mode?

I've got a development webserver on an Ubuntu box inside of VMWare Workstation 7.1.3. I'd like to run a web browser on a Windows machine (the host OS) for actually testing a web page I'm working on -- ...
Billy ONeal's user avatar
  • 8,271
26 votes
5 answers
98k views

how does 'ping' command really work?

How does the ping command really work? Specifically where does the ARP (Address Resolution Protocol) come into picture? I was asked this question in an interview and I was not able to come up with ...
liv2hak's user avatar
  • 596
21 votes
5 answers
48k views

How to share CPU or RAM?

In networking we share File(Disk Driver) or Databases. But how can we share CPU or RAM over the network.
MJH's user avatar
  • 515
17 votes
6 answers
71k views

How to get rid of auto-generated sequence number in network's device name in Windows?

Every time one plugs in the same usb wireless adapter in a new usb port, Windows creates new network device with auto-generated sequence number which looks like this Wireless-N USB Network Adapter #2, ...
Piotr Dobrogost's user avatar
15 votes
2 answers
19k views

Directly connect MacBook to Linux desktop via ethernet for fast SSH?

I am looking at building a Linux desktop—desktop only; no monitor support—and getting a MacBook Pro as my main computer for mobility. I would like—while I am at the office—to basically use my MacBook ...
drjrm3's user avatar
  • 1,496
14 votes
2 answers
53k views

Interpreting the 'metric' column in routing table

I'm a little confused about the output I'm seeing in my routing table, particularly the 'metric' column: $ route -n Kernel IP routing table Destination Gateway Genmask Flags ...
Alexander Kohler's user avatar
13 votes
7 answers
37k views

Combining two ethernet ports

My computer has two gigabit ethernet ports on the motherboard. Is it possible to have the OS (Win XP) combine them and treat as a single 2-gigabit connection? Failing that, is there any general ...
Scott's user avatar
  • 1,253
13 votes
6 answers
46k views

Can I route programs to two internet connections simultaneously in Windows 7? [duplicate]

I have two internet connections - one via a 3G modem, and the other via wireless. The modem is faster so I normally browse with it, but it does not support torrent downloads while my wireless does. ...
Chibueze Opata's user avatar
10 votes
3 answers
39k views

Multiple network connections on Windows 7

I'm using Windows 7 and I have 2 networks: one wireless with internet connection one wired with no internet connection The computer is connected to both. The problem is that although in Network and ...
avi3898's user avatar
  • 103
10 votes
2 answers
29k views

Why does Windows 8 open Bing.com by itself?

My Windows 8 Laptop will open Bing in IE by itself. It makes a request to: http://go.microsoft.com/fwlink/?LinkID=219472&clcid=0x409 which then directs to http://www.bing.com Changed ...
Nick Orlando's user avatar
9 votes
6 answers
93k views

I need to make Windows 7 STOP disabling the wifi adapter when the wired LAN is connected

This is a Dell Latitude E6430. There is a setting in the bios to control this behavior and I have DISABLED it but it still happens. I am also running the latest bios. When I plug in a network cable ...
Jimmy D's user avatar
  • 226
9 votes
1 answer
44k views

Multiple access points / Switching issues

I've got 2 wifi access points at both ends of my flat. So I got wifi in the whole flat. One of those access points is a router (TP-Link WR1043 v2) while the other one is just an access point (TP-Link ...
Florian's user avatar
  • 123
8 votes
1 answer
34k views

How to enable administrative shares on Vista and XP?

I am looking for a way to enable administrative shares on both XP and on Vista. I am a complete newbie when it comes to using administrative shares. I have no prior experience as to how this is ...
Samir's user avatar
  • 20.8k
6 votes
2 answers
33k views

Is 225.225.225.128 a valid subnet mask?

I have been told that we have two devices on a network: 10.40.225.142 and 10.40.225.144 These devices both have Gateway 10.40.225.129 Subnet mask 225.225.225.128 (note 225 is Not a typo) These ...
Matt Wilko's user avatar
6 votes
1 answer
845 views

Limiting network connections to specific sites when travelling / tethered (in windows)

I often find myself accessing the Internet while travelling via either (gasp) dial-up or via a very limited data plan on a cell phone. I'd like to make sure that my laptop does not use the network ...
Mikeage's user avatar
  • 604
6 votes
4 answers
75k views

How can I bridge a Verizon mobile hotspot modem/router to a Linksys router?

I recently purchased a Verizon mobile hotspot (MiFi 4510L) and was wondering if I could configure my Linksys wireless/wired router (similar, but not the exact model: Linksys router) to use the MiFi as ...
CheeseConQueso's user avatar
4 votes
9 answers
15k views

Connecting a ADSL router to a wireless router. What am I doing wrong?

What is the correct way to do it? This are the steps I have taken: Disable DHCP in Wireless router Setup a fixed IP (192.168.1.2) and telling that the default Gateway is 192.168.1.1 (the ADSL router) ...
Eduardo Molteni's user avatar
4 votes
2 answers
7k views

Convert a router to a switch?

I have a couple of modem/routers that came with ISP services that are no longer being used. At the moment I have the current ISP's router running the wireless network and a wired portion to a couple ...
greye's user avatar
  • 921
3 votes
4 answers
9k views

Network problems using WSL2

Currently I'm using Windows10 and WSL2 with Ubuntu 20.04 for developing. For the most case this works excellent, apart from one problem. There seems to be something broken in the networking layer ...
Lars Rødal's user avatar
3 votes
7 answers
31k views

With Windows 7, why is an entry in the hosts file not working?

I updated some entries in the hosts file at C:\WINDOWS\System32\drivers\etc. As a test, I decided to make Google point to 127.0.0.1. # Additionally, comments (such as these) may be inserted on ...
user avatar
3 votes
3 answers
9k 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 ...
Serguzest's user avatar
  • 133
3 votes
2 answers
10k views

How to share Internet Connection in Ubuntu

I have a laptop1 which has its two interfaces ( wired and wireless ) working. And have another laptop (laptop2) for which only wired interface works. I am planning to connect the two wired ...
nikhil's user avatar
  • 31
3 votes
4 answers
574 views

How can I get my home machines to connect to each other via hostname?

I've got a standard Linksys router and a few laptops - mix of Windows Vista and Mac OS X. Shouldn't my router act as a DNS server to resolve hostnames for the machines within my local network? If not, ...
Marplesoft's user avatar
2 votes
2 answers
11k views

Securing my Microsoft Remote Desktop connection over the Internet?

On my home Windows 10 machine, I have port forwarded Microsoft's RDP port (3389) via my router to port (20202). Thus, I can remotely access the Windows 10 machine via the Microsoft Remote Desktop ...
Joe's user avatar
  • 31
2 votes
1 answer
980 views

Bizarre and very specific Internet connection loss

Yesterday (Friday, September 21, 2012), my Internet connection started acting up. After some testing, I confirmed a very specific and baffling set of symptoms: Internet connection goes away every 25-...
Synetech's user avatar
  • 68.8k
2 votes
3 answers
737 views

Vista pc hidden from XP?

I have a Vista-based media center, and two XP-based desktop computers, all on a simple home WLAN network (DSL/WLAN router). The Vista computer can see all other computers and transfer/modify files ...
Torben Gundtofte-Bruun's user avatar
2 votes
1 answer
2k views

Capture data that my ADSL modem send

I'd like to capture the data sent by my ADSL modem (what's really sent on the RJ11 cable). I have no access to my modem (no ssh), so I'd like to build a mini-computer with 2 RJ11 plug, one connected ...
IggY's user avatar
  • 205
2 votes
3 answers
9k views

How to run a web server on my PC without static ip

I have two related questions: 1- When I see my global IP address in a website like https://whatismyipaddress.com/, which is for example X.X.X.X, I think this is not only mine, and a lot of people who ...
Mahdi Mohammadpour Fard's user avatar
2 votes
2 answers
500 views

machine wakes only on local magic packet

I've got a Debian server, which I would like to wake up remotely using a tool like wakeonlan. I have assigned the server a static internal IP 192.168.0.14 and set up the appropriate port forwarding ...
leopold.talirz's user avatar
1 vote
5 answers
15k views

Does the length of cat6 cable make a difference in a home network?

I have a Dlink DIR-655 router for my wired and wireless router for my home network. I have a 100ft cat6 ethernet cable. I pulled it from the router to my home server in my basement. Does the 100ft ...
vlash's user avatar
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