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.
34,511
questions
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I can connect to my pc over wifi for file sharing, but I cant connect via rdp. Why not?
One Windows 10 machine, trying to rdp into a windows 8 machine.
On the windows 10 machine, I go to file explorer, click network, my 2nd pc pops up. I can double click it to see the user folder and ...
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0
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171
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CentOS 6.7 Error Configuring Non Routable Static IP in Home Office Environment
I have a virtual machine running CentOS 6.7 under VMware Workstation. When it boots, or whenever I do a
sudo service network restart
I get the follwing error:
SIOCADDRT: Network is unreachable
I'...
0
votes
0
answers
120
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OpenVPN not accepting clients
I have an openVPN server listening on the normal port, and I'm trying to use TunnelBlick to connect to the server from my apple laptop. When I was in the local network I was able to successfully ...
0
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1
answer
7k
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SSH between two subnets
This is my setup:
Custom Built Pfsense box 192.168.0.1, DHCP Server Range 192.168.0.3-150 (A)
Netgear WNR3500L running Tomato firmware 192.168.1.1 DHCP range 192.168.1.2-50 it is connected as an ...
0
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1
answer
20k
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Gramblr conflict with firewall (500 - internal server error)
I'm using windows 10 Enterprise (64-bit) and I set its firewall to block all inbound and outbound connections so I can choose which app will access to network by creating those rules in my firewall.
I ...
-1
votes
1
answer
1k
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One way communication only
I have connected my netgear r7000 to my existing home network as a second router and assigned the ip 192.168.2.1 to it while the main router has 192.168.1.1
Everything works fine, wifi, eth cables, ...
0
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2
answers
4k
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Copying file from network folder over VPN extremely slow
My coworker and I both have the same type of laptops, connecting to the same wireless network at work.
There is a 32GB SQL Server data file we are copying on our local machine from a network folder ...
2
votes
1
answer
153
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Setting my ISP's modem to let me call via my landline when I'm not home, using its internal hidden SIP server
My ISP offers to his VDSL users the ability to use any smartphone as a cordless home phone, using an official app.
They provide no documentation or source code, but someone managed to de-obfuscate ...
1
vote
1
answer
87
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Downloads slow on specific computer
From my /r/TechSupport reddit submission:
All computers referenced in this post was done on a ethernet connection
I have been suffering this issue for the past few months without any solution ...
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2
answers
208
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Why must we implement dual-stack protocol before implementing IPv6 tunnel broker?
To send traffic of IPv6 on IPv4 why do we have to implement dual-stack protocol before implementing tunnel broker?
1
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1
answer
239
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Can my Linux virtual machine infect other computers that share my Wi-Fi network?
I’ve installed Linux Mint 18 in a VirtualBox VM for casual web browsing purposes. I have disabled shared folders and the shared clipboard, but I am concerned that if the VM becomes infected, malware ...
1
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0
answers
326
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Issues SSHing from Windows host to Linux guest
I’m trying to SSH from Windows host to Linux guest. Rather than using PuTTY and the like I’m trying to use Bash on Ubuntu on Windows (Windows Subsystem for Linux).
In VirtualBox I have the network ...
0
votes
1
answer
94
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No network on a Windows 10 desktop
i'm trying to repair a friend's computer, who tells me he doesn't have network since few days. The pc is a desktop running Windows 10, and his motherboard has 3 network cards: 2 Ethernet and 1 ...
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2
answers
779
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Cannot connect to the internet via SFP+ port
I have an issue, in short I have a server at home with two ports, one 10/100 ethernet management port and an SFP+ port.
I cannot connect to the internet using SFP+ port. I am using an external ...
1
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0
answers
2k
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Slow download speed despite of fast connection
My new VDSL internet connection happens to have ~72 MBit/s downstream, ~30 MBit/s upstream and ~22 ms RTT (to the example server used below). I got these numbers using iperf (test duration: 60 seconds,...
1
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2
answers
4k
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Google Wifi not working with Intel Centrino Wireless-N 1030
I just got a Google Wifi, and almost all our devices connect to the new network fine. The exception is an old Windows 7 Dell Inspiron N5110 laptop, which sees the network but isn't able to connect. ...
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2
answers
3k
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Route the network to another router
I have 2 routers, the main router`s gateway (from my ISP) is 192.168.1.1, the second router (a netgear R7000 with VPN configured) has 192.168.2.1 as gateway.
My centos 7 machine is connected via ...
9
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1
answer
1k
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Router Blocks Access To Single Site, Only On Selective Devices
I have an ASUS RT-AC66U router and it's been functioning properly for the last year or so.
Then yesterday, I suddenly began experiencing a sporadic issue where a certain website couldn't be loaded.
...
1
vote
1
answer
281
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how to set static ip address for Gigabyte running ubuntu 14.04 server
This is my office network setup
Please also note that the AirportExtreme itself is connected to a D-link router which I have no access to its web console.
My Gigabyte 6200 is connected to the ...
0
votes
2
answers
1k
views
LAN speed not as high as expected
I have an FTP server which I'm accessing through another machine in the LAN, both machines are connected to a 300 Mbit/s router and both machines have a 10/100/1000 Mbit NIC.
With this setup I expect ...
0
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1
answer
2k
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How do websites uniquely identify your computer even with other computers on your network?
There's a site that I visit that shows a captcha every 2 hours or so and I was just wondering how they did it.
NOTE: I am not trying to circumvent it because the rewards of doing so would be next to ...
1
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0
answers
187
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Duplicate IP address in mtr output - LAN router being reported incorrectly
When trying to debug problems with my Internet connection, I found that when I run mtr I see that the address of my local LAN router (TP-Link TL-R860) is reported incorrectly,
% mtr -c 10 --report 8....
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1
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2k
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how do I SSH to a specific machine with DHCP and NAT?
I want to ssh across the internet, one network to another. Specifically, from my LAN using a run-of-the-mill router and cable modem to a neighbor's LAN using a different run-of-the-mill router. The ...
4
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5
answers
9k
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Using cmd/Batch, how to determine whether or not you are connected to a WiFi network?
Using netsh wlan connect name="your network_name" you can request to connect to a WiFi network, but can't be sure whether or not you are connected.
So, in CMD/Batch, what would be a command line to ...
1
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2
answers
18k
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Port Forwarding on ZTE modem doesn't works
Modem Type : ZTE ZXHN H108N
I am trying to set port-forwarding from my modem to my CCTV. My CCTV configuration is as below:
IP Address : 192.168.1.160
Subnet Mask : 255.255.255.0
Gateway : 192.168.1....
1
vote
0
answers
243
views
connect to mapped network drive OSX vmware fusion running windows 7
My setup is as follows.
I have a mac running vmware fusion 7, where I virtualize windows 7. I want to connect to a network drive on my virtual machine instead of needing to connect to it on my mac ...
0
votes
0
answers
111
views
Are there any downsides to not broadcasting a router's SSID?
Besides the obvious (not being able to use a standard UI to detect and connect to an available network), are there any downsides to not broadcasting a router's SSID?
I had read that it causes all ...
6
votes
2
answers
30k
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How to connect to a WiFi using CMD only?
How to connect to a new WiFi by entering a password using CMD?
For my school project I have decided to make a WiFi_manager program using cmd.
I know to display all WiFi networks (in cmd):
netsh wlan ...
2
votes
1
answer
4k
views
Delete old records of "Local Area Connection"
After network changes during lifetime of my computer,
"Local area connection" ordinal number is now at 12.
Ethernet adapter Local Area Connection 3:
Media State . . . . . . . . . . . : Media ...
0
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2
answers
63
views
What is the meaning of the terms "query" and "zone" with respect to a Dynamic DNS service?
I'm installing an IP Camera in our home and figured I needed a Dynamic DNS. Though, I'm not sure what to look for. So I got this pricing for Google's Cloud DNS service and can anyone point what the ...
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1
answer
1k
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no upload speed on one computer only
Don't worry, I already tried resetting, reinstalling drivers, unplugging/replugging, and doing something I saw in other answers to this kind of issue. None of them worked. I did not look at the back ...
0
votes
0
answers
397
views
Can a Windows 7 Machine be configured to act as a Router or NAT like a Linux machine can?
Or should one install special software on a Windows to be able to do those things ?
I was surprised to see that a Linux machine basically can be configured to act as a Router and has many advanced ...
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0
answers
144
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ain How does a proxy know which IP to forward responses to?
At a conceptual level, how do proxies keep track of where responses should go?
Please correct me where I misunderstand, but we can think of a packet as a letter in an envelope, with a return address (...
2
votes
1
answer
664
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Docker can't resolve hosts which require multiple nameservers
I'm running a Docker container which clones some git repositories and builds a project inside of itself.
It clones code from 2 different repositories: one is public github.com and the other one is ...
3
votes
1
answer
2k
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sshd does not recognise "AllowUsers user@host" statements
I recently installed Fedora-25, and I am having a problem with my /etc/ssh/sshd_config. I am trying to configure it with a statement like:
AllowUsers user@host
I cannot connect via ssh to the ...
0
votes
1
answer
112
views
How to prevent the same network being recognized as a new one?
Every once in a while a Windows 7 machine I administrate creates a new network profile. It started off being on 'Network' and by now it's on 'Network 5'. It is not on a domain, and it's unclear to me ...
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0
answers
258
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Why can't I set the buffer and offload on a wireless card?
To access the settings I mentioned on a Windows system, right-click a network adapter, then "properties", then "configure", then "advanced".
For a wired NIC, many of them have settings for TX/RX ...
0
votes
1
answer
219
views
Bypassing max MTU
I'm considering upgrading my home network to a router with jumbo frame support. Before I drop the cash on it I have a question about MTU's.
The largest MTU my current router supports is 1500. On ...
0
votes
0
answers
83
views
No getting IP when connecting through switch
I am trying to acquire IP from a router through switch.
Network structure:
However, no getting IP when my pc is connected through a switch.
Things I've tried:
Connect my pc to router when DHCP ...
1
vote
1
answer
57
views
SSH tunnelling machine at client's home
I would like to access a service with a specific IP from anywhere around the world. This IP is the home IP of my client.
I am thinking of setting up a computer (or raspberry pi) which is connected ...
0
votes
0
answers
40
views
Connections won't go past the gateway router
Oh boy, I don't even know how to begin looking into this. Essentially:
$ tracepath -n 8.8.8.8
1?: [LOCALHOST] pmtu 1500
1: 192.168.177.1 ...
2
votes
2
answers
2k
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What's in my Firefox config to cause youtube not pre-buffer?
I made a 'user-config' file for my Firefox to improve security and performance, but I find YouTube only continues buffering when it reaches the end of the current buffered content, this causes ...
0
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1
answer
998
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LEA Networks NetSocket AV200 and LEA Networks NetPlug AV200 interconnectivity
I have a pair of LEA Networks NetPlug AV200 Advanced Chipset 200Mbps PLC Adapter Kit. I love that they give me approximately the same speed in 2 of my most used rooms in the house.
Now, I would like ...
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1
answer
156
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Is there a way to have a public ip address when disconnected from all routers?
I am programming a mobile device that needs to access HTTP services. There are web services running on a Windows box that I would like to access from the Android device. So I am doing development ...
2
votes
2
answers
785
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Windows 10 - can't view some websites
I've ran 6 different malware cleaners. Reset proxy settings. Reset network settings. Statically set IP Addresses. I can ping and resolve hostnames.
However, opening up web browsers Chrome, Firefox, ...
1
vote
0
answers
53
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Printer Lost On My Network
We had a mac mini recently that was flawlessly printing to three printers on the network until recently. Now it is not able to connect to two of them. Both of them are canons (if that makes a ...
5
votes
2
answers
19k
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Allow PowerShell remote access only from one address
I must manage a school network of about 60 Windows computers that are setup as workgroup computers and not in a domain. To ease configuration I am going to enable PowerShell remoting on all computers. ...
0
votes
1
answer
43
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Use webhost dns directly bypassing domain
This might be a stupid questions, since I don't know enough about how domains and the whole IP resolving infrastructure work but...
I have a domain, let's say domain.com. It's set up to point to my ...
0
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1
answer
130
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Router Web Server WAN Access
I have a ISP supplied D-Link router running a customized firmware. I am trying to enable access to router's web server on WAN. While the router does give this option under TCP/IP Settings > WAN ...
0
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0
answers
33
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Not able to connect from remote machine
I am not able to connect to my desktop from remote machines. I suspect some firewall mis-configuration.
OS Details (Linux Mint 17):
11:16:23 ~ $ cat /etc/linuxmint/info
RELEASE=17
CODENAME=qiana
...