Networking is the art of connecting two or more devices together so that they can communicate with each other.

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How to secure a virtualised web server

I do front end web development for clients and have a local webserver that acts as my production/staging ground The webserver is virtualised on a windows 7 machine that has Ubuntu installed within a ...
-2
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0answers
6 views

Errno socket error

Running Ubuntu 15 on Windows 10 through VMware. It seems it is general networking error. But I have no idea what could be triggered it or how to fix. Code: buildozer android debug Error: ...
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44 views
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How to identify source of suspect network traffic

Sometimes (± once a day) I have a quite important network traffic, around 2.5Mb/s during 15 minutes, without apparent reasons: no P2P, nothing launched except browser and email and I even tried to ...
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1answer
16 views

How can I use Pacemaker to setup a virtual IP for receiving syslog messages?

I need to setup a VIP / floating IP that network devices will send their syslog messages to. The idea behind the VIP is to have a highly available setup in an attempt to minimize the amount of logs ...
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0answers
15 views
+50

connect different networks wireless

So, outside a building I have a device with a fixed IP address: 192.168.25.10. This cannot be changed. I want to connect this device to my home network and all the equipment within my home network ...
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2answers
20 views

Windows 10 “Not connected - Connections are available” and “Limited” yellow warning but Working internet connection

After upgrading my dell xps 13 (2015 model) from win8.1 to win10 all worked fine really fast top notch combination, untill after a week it now shows a yellow triangle warning icon on to of the wifi ...
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5answers
19k views

Connect from Android (ES File Explorer) to Windows 7 Share

I am having problems connecting from Motorola Razr HD phone to my Windows 7 PC's shared folders via ES File Manager. Until recently everything worked fine, I could see/copy files just fine. Not sure ...
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2answers
849 views

401 error when accessing Plex Media Server

Quick rundown, I have setup an AWS ec2 instance running Ubuntu 14.04. I have installed Ples & I have opened the necessary ports (both in the security groups & through the firewall) for Plex. I ...
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0answers
7 views

How to set correct MTU for OpenVPN link

I'm trying to use my OpenVPN SSL connection over a restricted satellite connection. The issue seems to be related to the correct MTU. When pinging from windows 7 machine the highest payload that can ...
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1answer
30 views

Only direct connection works, but not via router

My local housing Internet provider just changed its policy and they seem to be blocking routers from working1. My setup (which has been working for a year): [ISP router (in the residence, out of my ...
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1answer
5k views

Kali 1.0.5 Internet Connection Problems

I have recently installed Kali Linux and am having connection issues. It says I am connected to the network, but I am not able to access the Web. A Ubuntu 13.04 running on the same machine (dual boot) ...
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2answers
12 views

tcpdump not capturing any packets

I'm trying to monitor what's going on in my network, so I've tried tcpdump command. I'm just learning to use it, so I thought on playing around a little bit with it. My problem is that I cannot ...
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0answers
5 views

Outgoing traffic using Local(internal) PC IP address to a DDNS hostname

Sorry if the title is confusing. I have two devices connected through the internet. I need device A to send data down to device B, but unfortunately device B does not have a static WAN IP address but ...
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0answers
10 views

Is it possible to setup a NAT loopback on a router with a dynamic IP using iptables?

I've set-up a Raspberry Pi home server attached to my router. I have a dynamic IP. I can access the server within my network using the internal IP (192.168.0.8). I can also access the server outside ...
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2answers
17 views

ssh between machines behind different routers on the same network

I have 2 machines, A and B. Both of them are connected to their own wifi access point (routers). Both the wifi routers are connected to the same private LAN, like a university's intranet. A's ...
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2answers
3k views

Wireless bridge on KVM virtual machine

I have a VM host (KVM) that's connected to a wireless router. I'd like the virtual guests to be in the same broadcast domain as the host; i.e, receive their IP from the router's DHCP. (=Layer 2 ...
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0answers
9 views

How can I browse and stream a media collection on a non-local server?

I have a server full of video (in a datacenter) that I want to stream to my computer at work. It's not hard to just run VLC on both ends, but I would like to be able to browse the collection and ...
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7answers
34k views

Homegroup doesn't show other computers, but “Network” does

I have a desktop and a laptop (both running windows 7) in my Windows 7 homegroup. The desktop created the homegroup, and the laptop joined it. Both share a few folders. On the laptop, I have no ...
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2answers
34 views

Resumable Downloads corruption due to ISP redirection

I have a Bsnl bradband connection in India. Whenever I turn on router and open any link the first time, it gets redirected to mail.bsnl.in page. That could be a way of promoting their email service. ...
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2answers
12 views

Unreachable nodes in a mixed lan wlan network

I have a home Network starting with my Internet router which contains 300 MBit/s WLAN and a 4 port Gigabit Switch (FB7390). Attached to that Switch there is anoter 5 port Gigabit Switch. It was ...
6
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2answers
2k views

Cannot make mobile broadband Vodafone USB connection Ubuntu 13.04

I have Ubuntu 13.04 and I bought yesterday a Vodafone USB stick for internet connection. I am located in Romania. This is what I've did: First Thing Network Connections, added connection. Selected ...
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1answer
42 views

Find MAC address of a device on the other end of an Ethernet cable

Before anyone points it out, this is a different question to Check MAC address of a device on the other end of an Ethernet cable. I'm interested in an automated way (rather than Wireshark, etc) of ...
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0answers
24 views

Can't access only one web server from only my house [solved]

I was digging around in some settings the other day trying to set up a web server from a Virtual Machine on my computer. Somehow in doing this I managed to make it impossible to access my website, ...
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2answers
26k views

OpenWRT: basic network configuration

Just installed OpenWRT 12.09 in my router, but became a little confused about interfaces/bridges/vlans. After my first boot, I logged in and set my root password, so I used Luci to activate my ...
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2answers
30 views

What is the average size of a packet sent via TCP/Ethernet?

A message isn't sent in it's entirety - it's broken up into little packets of data, each one going to a specific destination. But how little are those packets? I can't find the answer on Google.
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2answers
2k views

Windows 7 with two network cards doesn't route traffic

I have simple task to do: I have wni7 with two nics.I want to connect another comp(osx) to win7 through second nic to connect it to internet. I already changed the registry. Win7 interface with ...
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1answer
15 views

No FQDN access to local server from local network, only from outside

Ubuntu 14.04 set up with several services (media server, cloud backup server, etc) on FQDN updated with no-ip. The server is set up behind a ZyXEL router and is not a gateway or DHCP server, just a ...
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1answer
14 views

Interface not showing up in airmon-ng

I'm running a virtual Kali machine on VirtualBox and want to connect my USB WiFi adapter to said VM. Here are some details: Host OS: Windows 8.1 Guest OS: Kali Linux 1.1.0a (amd64) USB Adapter: ...
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3answers
107 views

Is the external IP of my wireless Router my WAN IP / Public IP address ? if not then what is it?

This is my home network setup: Internet ---> External IP (cable modem) Internal IP ---> External IP (wireless router) 192.168.20.1 ---> (laptop) 192.168.20.102 Am I correct to assume that ...
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1answer
23 views

Login to account from any computer [on hold]

At my school, we have a large network of computers. Each department has its own switch with all the computers connected to it, and each switch is connected to the main router or server. I can login to ...
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2answers
3k views

No network connection through either wired or wireless adapter

I had my desktop windows 7 computer turned off for several days. After powering back up, it wants to apply "critical" windows updates, so I allowed update and the reboot. Network connections did not ...
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1answer
15 views

Workgroup connection issue (windows xp and 7)

I have created an account to share files on a Windows 7 computer (C:\Users\share), and have mounted this directory as drive N:\ on other Windows XP computers (3), and the 7 computer (for convenience). ...
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3answers
8k views

Connectify: error during driver install

I had Connectify version 3.7*, than I uninstalled it. Now when I try to install any version of Connectify I get following error: After I reboot it shows me this message again or nothing. So ...
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2answers
7k views

SSH error ssh_exchange_identification: read: Connection reset by peer

I am trying to access ssh to a server but got "ssh_exchange_identification: read: Connection reset by peer". The same client works well when I move the computer to home but show the error when the ...
6
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3answers
20k views

Windows 8 doesn't automatically join Wi-Fi network if Ethernet connection is active; router prevents Ethernet devices from seeing some Wi-Fi devices

In Windows 7, my laptop would automatically join both an Ethernet network and the Wi-Fi network in my house (both going through the same router). In Windows 8, if the Ethernet connection is present, ...
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2answers
9k views

Winsock “Permission Denied”

I am running into issues with Winsock on Windows 7. It throws the error "Permisison denied" (10013) and I am unable to fix whatever needs to be reset. At first I thought there were issues because my ...
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0answers
11 views

If erased of its credentials how would sd card function?

How would go about putting credentials back on sd card package? I have no idea if it reversed still or not but I've done nothing as I don't know how tow to fix the problem for my 32G sd card.
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0answers
29 views

HomePlugAV sees other HomePlugs but not the network

I have a LAN which I have extended via HomePlugs. Cable Modem -> Ethernet -> HomePlug 1 -> Electrical Wiring -> HomePlug 2 When HomePlug 2 is connected inside my house, everything works ...
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0answers
13 views

Force windows to select a preferred network as soon as it becomes available

I have vehicles with mobile broadband cards in them which provide a wifi connection for laptops in the vehicles. Once the vehicles return to our building, I need them to connect to the building wifi ...
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0answers
13 views

After a power outage, 3 of my 4 computers can't connect to the internet over LAN

Our power went out last night, as of this morning, 3 of my 4 pc's wont connect to the internet over the LAN. They see each other, but show limited connectivity. The 4th works fine, and devices that ...
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3answers
73 views

Fiber Optic Home network?

My ISP is offering fiber optic connections in my country, so I decided to get one. it has 100 Mbps down and 50 Mbps up. also I have several computers and a file server in my home. So I want to cover ...
0
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3answers
48 views

Disabled network via software

I work mainly offline, and I find it tiresome having to go to: "Open network and sharing center" "Change adapter settings" "Selecting the network icon" *"enable or disable the connection" and then ...
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0answers
19 views

Ethernet link going up/down repeatedly. DHCP

I have a very strange issue. This one is similar to this one. My router is TL-WR841N. The very strange thing is that if I insert Ethernet cable directly into my pc, then I can use internet without ...
1
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1answer
21 views

Sharing a database over the local network

We have some plate nesting software at work which I use daily. Recently, I thought I'd try to get the shared database up and working so the boys in the workshop could use the software on another PC ...
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4answers
3k views

One Mac computer with multiple network connections?

I have a Mac (OS X 10.5) that I would like to connect to a dedicated/isolated Internet connection (one that is not connected to the LAN), and a LAN. The LAN is set up with its own, separate, Internet ...
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1answer
24 views

media disconnected with DNS_PROBE

I am getting a DNS_PROBE_FINISHED_NO_INTERNET in windows 7. In Ubuntu 14.04, it just says I have no internet. I tried to use the ipconfig commands found on google,but most of them wouldn't work ...
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0answers
36 views

Can't access or ping some websites, majority are non-https

As title say, I currently using Windows 10, several days ago i had no problem with browsing these websites but recently suddenly all of em are blocked, i still can access certain website like ...
0
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1answer
26 views

Different DNS Server on Different Wifi Networks

Is there a way for me to use Google DNS Server on my home network, but have automatic DNS server selection on my school's wifi? They have an in browser authentication which doesn't work with static ...
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0answers
21 views

Configuring LXC containers to use a host bridge under CentOS 7

We're currently using the CentOS libvirt-LXC tool set for creating and managing containers under CentOS 7.1. This tool set is being deprecated though so we plan to change our containers to run under ...
0
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2answers
24 views

Rsyncing directories through ssh tunnel

I have 3 computers/servers, let's call them as computer A, computer B and computer C. Computer A has access via ssh to computer B. Only computer B has access via ssh to computer C. Computer A ...