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

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Laptop doesn't detect specific wifi network

I was using Windows 8 when I encountered this problem. My laptop's WiFi detects all WiFi networks but does not detect my office's WiFi. I am in range and my phone and colleague's laptops are ...
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1answer
18 views

Dynamic static IP address in debian based distribution

I need to store my static IP address in a non-standard location(say EEPROM). This can be retrieved using a shell command. Is it possible to configure "/etc/network/interfaces" file in such a way that ...
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14 views

Connecting to a machine which is only reachable through a computer which is only reachable through a VPN

I have the following problem: I would like to connect to some machines (get their files in the Windows Explorer) without having to use a RDP connection to the controller Server, because the amount ...
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0answers
10 views

Windows 10 no wifi + cant find registry key

Just up graded from windows 7 to windows 10 and now my wifi doesnt work.When i put in reg delete HKCR\CLSID{988248f3-a1ad-49bf-9170-676cbbc36ba3} /va /f it says the system was unable to find the ...
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2answers
13 views

How can I capture the outgoing traffic from a Bridge?

Sorry if my question is unclear. I am not network expert. I have a Bridge that connects my network to an external network comprises of several nodes. The Bridge receives my request including the ...
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1answer
18 views

Regaining access to ddwrt

I have a secondary router which is running dd-wrt, and configured as a wireless repeater on my home network. It functions perfectly well, but I would like to log in to change the settings. I am ...
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0answers
3 views

How to find configuration that wil emulate specific network conditions with netem / tc?

We had our otherwise well tested application fail once it was deployed on a device connected via a poor wan connection. To be able to debug this we want to reproduce the bad network conditions in a ...
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2answers
21 views

Port 21 is open but I can't connect to FTP server

I have a very basic FTP server running on Windows 10. Right now, I have no trouble accessing this server from my WLAN. However, when I try to connect from outside my network—using my public IP on port ...
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1answer
20 views

How do I make a server accessible over the internet

I wrote a chat client and server in Java. It works but as I'm finding out, only locally. The goal is to get it to function over the web. I've tried quite a lot of things, and can elaborate if need ...
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1answer
20 views

What is the number that comes after the interface name in “ifconfig -a” output?

What are these numbers 2043, 2091, 2276, 2324 that comes after the interface name—such as eth4 in this example—when I use ifconfig -a? eth4 Link encap:Ethernet HWaddr 00:0F:53:27:81:00 ...
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2answers
52 views

Internet access directly through modem, but not through router [duplicate]

I’m trying to set up a new network at my home and am having issues... in short, I can access the internet through my modem directly, but not through the router. Here is a brief writeup for today's 4 ...
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17 views

Kali linux 2.0 Not showing wireless networks

I know this question has been asked but not in this manner.I have throughly searched and could not find anything close to my problem. I am currently running kali 2.0 alone on my macbook pro retina ...
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0answers
23 views

How to connect to PC that is not at same network [duplicate]

Is there any way to connect to some pc that is not in same network as one you are using. Example: I'm at school and I forgot USB at home. I have some presentation for today and I left it home, so I ...
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2answers
28 views

Slow (9MB/s) file transfer over AC Gigabit Wifi

Here's the network route. Windows 8.1 SSD --> AC Gigabit Wifi 5ghz Intel(R) Dual Band Wireless-AC 7260 Link Speed 173Mbit --> ASUS Dual Gigabit router RT-AC87R --> Cat 6 --> Windows 8.1 SSHD ...
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1answer
11 views

Is it possible to install 2 IP cameras in the same Wi-Fi network in a way that they are both visible by external networks, e.g. 3G mobile networks?

As just stated in the title, I am having trouble installing 2 IP cameras such as these pictured below. Basically, they both work with Wi-Fi network, but when I switch on 3G only one of them is visible ...
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1answer
18 views

GPS device which can send location update to URL [on hold]

I am trying to find a GPS device which can send the location update to specific URL standard format. I searched web but all the device makers have there own URL update but I want a custom URL update ...
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0answers
11 views

2 networks - 2 gateways - 2 dhcp-servers SHARE 1 print-server + 1 file-server

I have two networks: A: 192.168.0.0/24 B: 192.168.1.0/24 Each network has it's own gateway out to the internet and each of them as it's own DHCP-server running. Network B want's to share it's ...
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1answer
40 views

Computer is sending / receiving data form a computer and I don't know why

So I have been playing with WireShark and I have found something weird. After closing every application that uses the internet (As far as I know) I have found that my computer is sending / receiving ...
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0answers
10 views

Some of my clients report a route change when they reboot\refresh their IP?

I made a gaming server recently that hosted by my ISP. Some clients report a change or improvement in ping/latency times from 50ms to 20ms by rebooting their modem/router to get a new IP address, and ...
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5 views

Make wlan0 interface getting up at boot?

I made a service which starts at boot (prio. 96 at any rc level) This service does ifconfig wlan0 up 3. once boot has done, I check ifconfig: there is no wlan0 4. I restart the service, I check ...
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0answers
12 views

Implementing TCP hole punching

I have theoretical knowledge about TCP hole punching and i want to connect two devices behind two different NATs. What is the easiest way to do so? Is there any softwares for making the task easy?
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13 views

How does Windows Explorer determine categories for devices on the network?

I have a number of devices on my network: some PC's, servers, and printers. When using Windows Explorer to view my network devices are separated into two categories: Computer (Number of devices) ...
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15 views

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 ...
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13 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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1answer
18 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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8 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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3answers
57 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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9 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 (Windows Server 2012) to send data down to device B, but unfortunately device B does not have a ...
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2answers
18 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
17 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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0answers
10 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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2answers
24 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
45 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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1answer
49 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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1answer
18 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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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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1answer
24 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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1answer
16 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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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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14 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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43 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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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 ...
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1answer
26 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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3answers
50 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
40 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 ...
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1answer
25 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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32 views

How to force ping to actually send packets out of the NIC?

I'm working on an FPGA based packet capture and timestamping device. In order to test it, I want to try pinging through it. My computer has two dual-port 10G NICs installed and I have 3 ports ...
1
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1answer
18 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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4 views

vmware fusion cannot connect to network

If I don't believe wrongly. I think VMware fusion use Cisco Any connect to connect to internet right? However, now the Cisco in my windows virtual machine reports: VPN service not available The VPN ...
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3answers
32 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 ...