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

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Unable to connect to Windows 8 created network

When hosting a WPA2 infrastructure network on my Windows 8 PC (though this happened on XP for me too, but I do not have that computer anymore), I am only able to connect the first device (iPhone) ...
3
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1answer
2k views

Linux command-line: Fastest way to disable internet (keeping LAN)?

Split question: this other one here is for Windows. Linux: Fastest way to disable internet (keeping LAN) from command line? I think the easiest way to deactivate internet (not LAN) in Linux is ...
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3answers
3k views

SSL (imap) doesn't work from some machines - ssl handshake failure - how to narrow down further?

A few days ago our IMAP SSL (port 993) connections stopped working from our home network two Windows 7 PCs in our home network. Two other PCs, one with Windows XP, one also with Win7 professional ...
2
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1answer
225 views

Keep Traffic Separate but Allow communication

Semi-networking newbie here missing some fundamentals. I can't quite get the right words together for Google to give me the answer on this one. I have 10 computers on Network A and 10 IP phones on ...
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1answer
231 views

Can the Synergy client be configured to connect to one of many servers?

I have a laptop that I use at home and at the office. I also have desktop computers (with attached keyboards and mice) set up at both locations. Both desktops are set up as Synergy servers so that I ...
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1answer
42 views

Common (platform independent) solution to send print jobs to a computer in any foreign network (e.g. via email)?

Imagine a common "private" network with a printer which I technically cannot (and must not!) reach because I'm in a different network and I want to be able to print a file (pdf) on this printer. ...
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1answer
1k views

Set up a port forwarding on D-Link DSL-6850U that will work from internal network using the WAN IP

I've got a D-Link DSL-6850U router, And I want to setup port forwarding to some server I've got at home. The port forwarding works just fine when I'm at work, I can connect to my server by using my ...
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1answer
144 views

Use IPTables to force TCP packets over router

To test a TCP-stack program, I need to get the TCP packets via the router. When I try to connect to my server program via the router, the OS does not hit the router as the destination IP is the same ...
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0answers
624 views

Tunneling traffic through OpenVPN

Following the steps described here I've managed to configure both the VPN server and client(I can ping both ways). Their respective configuration files are: server: ;local a.b.c.d port 1194 ;proto ...
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1answer
110 views

How to set up different IP settings on different WiFi networks?

On my Windows 8.1 laptop I often play multiplayer games that require some port forwarding. I constantly have to change the port forwarding settings, because my IP address keeps changing every time. Is ...
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4answers
2k views

How to know the IP address of a website

I wanted to know the IP address of a website.One way is to ping the website.For example if I want to know the ip address of google.com then I can ping in command prompt. Pinging google.com ...
2
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1answer
179 views

Site blocked when connected to VPN

Our work DNS has an entry for certain sites (e.g. facebook.com), that routes to the company website (effectively blocking these sites). When connected to VPN from home, I am unable to get to these ...
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0answers
146 views

How to block an incoming port to a router?

Recently there have been a lot of people cheating on Xbox Live using a modded Xbox and a networking service called Xbox Live Stealth which allows them to bypass the Microsoft servers so their Xbox's ...
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1answer
399 views

Can I use a second router on my network to isolate certain computers?

Ok, right now I have one router that I use for everything. It is plugged directly into my modem. My brother keeps on getting infected with malware no matter how many precautions I set up. He won't ...
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2answers
1k views

Ping increase internet speed [closed]

Can I use ping to increase internet speed? ping [IPv4 of wifi] -n 100000 Is this increasing my internet speed?
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1answer
429 views

Power outlet to phone jack with UVerse

I just moved into a new house that conveniently did not have a phone jack in my office. I'm considering buying an adapter to turn a power outlet into a phone jack, so as to have the UVerse box in my ...
1
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4answers
11k views

Can't ping between two guest OS in Virtualbox

Host OS: Ubuntu 13.04 VMM: Virtualbox Guest OS1: Kali Linux Network Setting: Adapter 1 attached to NAT Guest OS2: Windows XP Network Setting: Adapter 1 attached to NAT Issue: can't ping ...
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0answers
395 views

Wireless, IPv6: no network, unidentified netword at random

I have been reading other threads and trying suggested steps but nothing seems to work for me. 50% of time the internet works fine, sometimes it slows down sometimes there is no connection at all. The ...
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1answer
140 views

Wifi solution for bigger house?

I have a 200 m2 (2150 sure feet) big old house (read thick walls etc) divided into three floors. I need good internet access on all floors as I use it for streaming movies (both from local storage and ...
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0answers
883 views

DHCP option to control interface metric

For some reason Windows is using only one interface for local network broadcasting (the one with lowest metrics). When client connects to VPN network, i want it to make new network preferred for ...
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2answers
610 views

Why is my D-Link IP webcam unreachable from within the LAN, but accessible from outside?

I recently bought a D-Link DCS-930L network webcam which is connected to my WLAN network. It retrieves a IP address via DHCP from DD-WRT based router (a TP-Link TL-WR1043ND), and it is listed under ...
0
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1answer
32 views

using two different network internet and office server

I have one cable on Pc. If I want to access internet I have to change Ip Address and if I want to run any Accounting Software, I have to change Ip back again to connect to server. is there any chance ...
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0answers
37 views

Nearly all internet traffic blocked aside from http/https

So today I noticed several network-based programs not functioning, such as Valve's Steam platform. After disabling the windows firewall, and even booting in safe mode with networking, I am unable to ...
58
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6answers
12k views

The locking clip/tab on my Ethernet cable's plug is broken. How can I fix it?

I have a 10 meter long Ethernet cable. One plug has the little locking clip missing, just like missing the part in red ellipse in the following picture. How can I fix it? Is this something I ...
2
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1answer
272 views

Get Physical NIC's Mac Addresses on Linux

I am trying to get the mac addresses of a Linux machine. I only want the physical NIC's though, not the virtual ones. I have been doing some searching and maybe I am not punching in the right terms ...
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1answer
129 views

Linux intranet networking

I want to set up a private network not connected to the Internet. I have a computer running Ubuntu Server 13.10 which I would like to function as a web server accessible from the other computers on ...
2
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1answer
566 views

How does a packet reach its destination?

Inside a router network it's easy to route all the packages. The router knows all the clients. However, on the internet, there are so many IP addresses. I send a packet from my computer to the IP ...
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9answers
13k views

Can you grab any IP address on the Internet?

On a personal network (LAN) one can simply grab an IP address. If you choose the same IP address as an existing client, you get problems. There are companies like IANA and ICANN that are in charge of ...
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4answers
3k views

Why can't I install DD-WRT on a DLINK DIR 600 A1?

I have an old router laying around and I am wanting to install DD-WRT on it to make it an access point. However, when downloading it I get an error: The uploaded firmware file may not be correct. ...
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2answers
2k views

Change Windows 7/8 Wi-Fi Mac Address to custom value [duplicate]

I am trying to change MAC address of Atheros AR9485 wireless card on Windows 8 and i am facing a limitation, that possible MAC addresses that can be set for Wi-Fi card in Windows 8 are: ...
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0answers
154 views

Wifi Hotspot on Windows 8

I have a wifi router with MAC-address filter. My laptop is allowed but my android phone isn't. I want to share my laptop's wifi connection with my phone. I have tried several wifi tethering programs, ...
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1answer
1k views

Debian pings LAN, can't access Internet

This is different than most of the other questions I've researched so far. My Debian server can access and be accessed on the local area network only. It cannot ping the outside world. It can ping the ...
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0answers
38 views

Access a shared Win 8 folder from server 2012 in Hyper-V?

a preface: I've never used Server 2012 (S2k12) so I'm a total noob with it. I'm running S2k12 in a Hyper-V VM (logged in as admin), and need to access a shared folder on my Win 8 host which has full ...
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1answer
999 views

It takes my computer a long time to establish connections with websites

I recently moved to a new house, got a new computer, and upgraded from Win7 to Win8. When I go on a webpage, the browser goes into the white loading screen for about 5-10 seconds, then everything ...
2
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2answers
681 views

Connecting to an SSH server behind a NAT

I am having trouble connecting to an SSH server behind a NAT on an ubuntu workstation. I've installed openssh package(both the client and the server) and forwarded port 22 through the NAT and tried to ...
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0answers
66 views

Port forwarding : open port without any response

I've been playing around with my router recently to be able to access my localhost (ran by xampp) from outside. I've managed to open ports 80 and 443 and I've confirmed it with ...
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1answer
173 views

Unknown Wireless USB Adapter Drivers Needed

I have found an old USB wireless adapter lying around the house that looks quite old. It would be very useful if I could get this working, however, I can't get any details on the model whatsoever to ...
0
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2answers
2k views

OpenVPN tun0 extremely slow

I'm working in a vpn - the server is connected via a 16.000 mb/s line. Sure, this connection is really slow itself, but the vpn connection doesn't use the real bandwith. So i connected to the server ...
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0answers
112 views

BindIPEndPointDelegate to select VPN interface on Windows

I have multiple Windows-intergated L2TP VPN connections on my server. By default, all internet traffic should be routed through my local network adapter and not through the VPN. My application should ...
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1answer
396 views

Saving / dumping network configuration with gateway and dns?

Using the command netsh interface dump > dumpfile.cfg I get my network configuration in a script format that can be reloaded by netsh exec dumpfile.cfg. In the retrieved file there is no mention of ...
2
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0answers
86 views

Unable to connect from Unreal IRC Server to Anope IRC Services

I am having some issues getting the link to establish from Unreal IRC Server to Anope IRC Services. I am currently receiving the following error: *** Notice -- No response from ...
17
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5answers
2k views

What is the actual IP address of my computer

I am testing out to see whats my IP address but depending on which website I used , I get different IP address . I am using a router If i use this , My IP address is If i use this , My IP address ...
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0answers
24 views

Utility service that logs total network usage

I would like to know the total bandwidth our internet provider essentially provides to the many competing devices in our home. Is there a simple windows service that uses a wireshark like trick to log ...
2
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1answer
76 views

Simple way of demonstrating that a VPN is working, that is easy for novices to understand/comprehend?

I am developing a Linux-based security appliance. One of its functions is to cloak a user's traffic within a VPN, and I need a simple way of demonstrating that this function is working properly, and ...
2
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1answer
4k views

How can I improve my Xfinity wifi connection throughout my home?

My parents have been using Xfinity for a few years now. We currently have wifi in our home, but the connection length and bandwidth is extremely bad. I have a big family, so everyone in the house uses ...
0
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1answer
82 views

Throughput decreases after MTU 5000

I am trying to test throughput between two computers directly connected through 1 GbE and testing with iperf. I am getting a throughput around 980Mbps when MTU is between 5000 and 5050, however it ...
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0answers
23 views

RDP server traffic overloaded

I've got a dedicated server and I know the IP, username, and password. I ran a program on it and the program used almost all the server's bandwidth so I can't log on to close it. When I want to log in ...
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2answers
1k views

Is it possible to have 2 different VPN connections simultaneously on the same machine? maybe on different network interfaces?

I am setting up a new cluster in my new workplace, and I am still administering another cluster in my last work place. Basically I am "copying" the configuration of the first one to setup the new one. ...
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2answers
54 views

I can't log in to my Mac, even though I can ssh into it

Our Mac is on a network where most users log in via ActiveDirectory, that may be related I am able to ssh from my machine to my MacMini (which is a build server for our iOS Developers), via ssh ...
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0answers
17 views

Connect to a PPPoE broadband connection on boot in Windows 8.1. Also, automatic reconnect in case of disconnection [duplicate]

I'm currently running Windows 8.1 (64-bit). 1) I got a PPPoE Broadband connection from my ISP which requires manual login everytime. Even though I've been able to make it remember by login ID & ...