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

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42 views

Can't access virtual machine after plugging ethernet cable

I have VirtualBox installed. My OS is Ubuntu 13.10. I configured a host only network at 192.168.56.1. I have 2 machines the first 192.168.56.20 the other 192.168.56.21. Everything worked fine before ...
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63 views

Internet stops working when using Microsoft Network Monitor

I need to sniff some http request that a software is making, so I've downloaded Microsoft Network Monitor which I have used in the past on other computers without any problems. So I run the network ...
2
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0answers
39 views

Is there any command-line to change my network mask in Windows shell?

I have not been able to find nothing on the netsh command shell documentation for changing only the netmask configuration without modifying rest of it (ip, gateway, DNSs and so on). The closest I know ...
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187 views

How to prevent Outlook from sending header with IP address and hostname

Right now Outlook 2013 is sending each message with a header containing hostname, internal IP and external IP. How can this be stopped? This must take place on a local level because the computer is ...
2
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0answers
93 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 ...
2
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0answers
634 views

Internet Connection Sharing (ICS) hangs

I am sharing my Wifi internet by creating a virtual network through the following commands netsh wlan set hostednetwork mode=allow ssid=MyWifi key=XXXXXXX netsh wlan start hostednetwork It works ...
2
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171 views

Set port for DNS on OS X

I'm using OS X 10.9.1 and I want my DNS lookups to happen on port 54 instead of 53. First I looked here but the file states: This file is not used by the host name and address resolution or the DNS ...
2
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0answers
78 views

On a wireless network, is there a way to redirect webpages to a local page

On a wireless network, I would like all traffic to a specific website to be re-directed to a page on a local server. I would like Query Strings to be left intact. i.e. www.myvenue.com?memberId=1234 ...
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3k views

CHECK_NRPE: Socket timeout after 10 seconds, when trying to read Windows Server 2008

When invoking the check_nrpe via terminal, like so: /usr/lib/nagios/plugins/check_nrpe -H winserver -c alias_cpu I get the error below: CHECK_NRPE: Socket timeout after 10 seconds. (Also ...
2
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370 views

Cannot connect to local ip address OSX (Mavericks)

Here is the situation: I can ping and connect to localhost / 127.0.0.1 I can resolve hostname (dig / nslookup) I can ping my ip local ip address (10.63.66.185) and hostname from another machine I ...
2
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106 views

Stream from Windows Media Player to linux

I'm trying to setup my Pi running Debian Wheezy to play music coming from any computer on the network using the Play to feature of the Windows Media player. The Pi is running headless, so a terminal ...
2
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632 views

Shared connection frequently closes when opening a new connection

I'm making heavy use of reusing a shared connection which I open to a remote box at the beginning of my workday. My .ssh/config looks somewhat like this: ControlMaster auto ControlPath ...
2
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796 views

How does Windows determine which network status icon to show?

I installed Bluesoleil to experiment with an old Bluetooth adapter, and then I uninstalled it. After it was uninstalled, the systray icon for network status always shows a red X. However, I'm ...
2
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0answers
7k views

Teamviewer Server's IP address range

I want to lock down a computer to only allow teamviewer remote access while not allowing any other internet access. The thought is to set up outbound firewall rules to only allow Teamviewer servers. ...
2
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0answers
347 views

Detect network clients connect and disconnect

I have a linux gateway/server, which sharing PPPoE internet connection between network users. Seeking for a proper way to detect when network clients are connected to and disconnected from the ...
2
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0answers
187 views

Router shows mysterious DHCP client that does not exist

I am having trouble with the access control of my router. It is a DSL-2730R ADSL Router. In the 'Status - DHCP Clients section' there is always an unknown peer called Nicolas-PC. Changing the ...
2
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600 views

Share VPN connection and normal internet with mobile device over WIFI

I have a PC and Mac that I have running on a VPN for work. The VPN is only required for traffic to a sepecific set of servers (not all my internet traffic is routed over the VPN). The vpn is made (on ...
2
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845 views

Windows 8 won't let me turn on File Sharing or Network Discovery

I've Windows 8 x64 and Comcast's Norton Security Suite installed. Norton takes over Firewall control and it's Automatic File/Printer Sharing control is On. However, it doesn't appear to be the case at ...
2
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277 views

'ping git-scm.com' returns 'ping: unknown host git-scm.com'

Since a couple of days ago I'm not able to access git-scm.com and when trying to ping to the domain: ping git-scm.com I get a: ping: unknown host git-scm.com How can I check for errors in my ...
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3k views

Windows 7 & Linux Mint sharing: W7 can't see LM

I have a Linux Mint 15 desktop and Windows 7 laptop that I am attempting to share files and a printer with. I have a bit of an odd problem that I can't figure out how to resolve. I've configured the ...
2
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0answers
67 views

How can I playback a network capture through the same machine

I've been trying to get tcpreplay to work to replay a network capture I have on my system. re. Unfortunately, (from the FAQ): Can I send packets on the same computer running tcpreplay? ...
2
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36 views

How to access a PC with these conditions

I can't access a PC remotely and I'm trying to figure this out. The PC is on our corporate domain (Still in AD - Shows on PC) Ping via IP, not with PCName.domain Can't access it thru UNC Path ...
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118 views

My nameserver isn't registered?

My problem is that I am trying to set my domain's nameservers to the nameservers of my dedicated server. My domain is hosted by Namecheap, and everytime I try to input the two nameservers for my ...
2
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0answers
105 views

What is in-service expansion in token passing bus network?

I was reading about Token Ring network and it said "in-service expansion is possible in a token passing bus network". What does it mean?
2
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0answers
152 views

Setting up diskless PCs(client) to use servers hardisk

I am planning to start an internet cafe business (10 PCs) What software do i used so that i will only have one hardisk(server) used by the client PCs? Since this will used a lot of networking, do i ...
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917 views

How to make FTP Server in Mavericks listen on IPv6 interfaces?

Althought native IPv6 connectivity is not yet possible with my ISP, I can access IPv6 websites via 6to4 tunnel. The Server App in Mac OS X Mavericks comes with FTP features. However it seems to accept ...
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1k views

Assign LAN port as WAN on Technicolor TG582n router

I have recently switched my home Internet connection from copper to fibre. With a copper installation I had a Technicolor TG582n router (Technicolor 582n - ADSL2+ / ADSL2 / ADSL - see top of linked ...
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96 views

Browser Resolving Host, Program Delays

For some reason when I'm idle on my computer or when I boot up, I can open my browser it will stay on Resolving host... for 5 minutes or so even though the network is connected. This causes programs ...
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160 views

Share Windows PPPOE connection with Linux

I have a windows computer connected wirelessly to router and connected to Raspberry Pi (Raspbian Linux) with LAN cable. I need to connect to PPPOE connection and enter my credentials to connect to ...
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2k views

How to create and use USB network interfaces on debian platforms?

This question is basically a follow up on this question. When the phone is plugged in and the Internet pass-through option is checked then a new RNDIS device(usb0) should be provided. On ubuntu the ...
2
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0answers
349 views

Limit bandwidth on HTTP downloads based on file size

Is there a way to limit lets say in iptables or any proxy solution/software if a user is downloading a filesize that is greater than lets say 20MB it will limit his entire download at 2KB/s? ...
2
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0answers
2k views

Accessing VM on host machine through IP address

I'm trying to set up a CentOS VM with VMware Fusion and get access to it through the host. I was following a tutorial online for this as this is my first time doing this. When I try to access the IP ...
2
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73 views

ubuntu 11.04 DNS issues

I'm experiencing some issues involving my Ubuntu Server. So far, I can connect to machines on my local network, but the server itself doesn't have internet. And since the each machine is routed ...
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0answers
33 views

Try two different domains for an exchange server in OSX

Our mail server is accessible through domain1 on LAN and domain2 from outside. Is it possible to round-robin a CNAME in OSX? Any other way to solve this (other than multiple Office identities, which ...
2
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0answers
226 views

WiFi not working when waking up computer

When I wake up my laptop from sleep mode, I have to reset the network card (almost) every time in order to connect to the WiFi network. This happens on different WiFi's, so the problem is with the ...
2
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0answers
110 views

Can i tunnel a specific sites to a VPN Connection using DD-WRT?

I am thinking of setting up a DD-WRT router at home. Something that would help make my decision is to be able to tunnel specific sites/ip requests via VPN. For example, my son loves some shows on ...
2
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643 views

eth0 not appearing. Tried everything that seemed to work for other people

Firstly, let me say I am completely new to Linux so if you're going to tell me to check something or do something, please give me a vague idea how. Installed Ubuntu Server (newest download I could) ...
2
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0answers
466 views

How to set LAN proxy settings (of browser), username and password, to network settings so that all programs can use this

I use Win7 Home Premium. I can connect to an open wifi network, but there is no internet access. To use internet, under connections, LAN settings, I have to enable a proxy server. I have to set an IP ...
2
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0answers
660 views

How to troubleshoot a VPN connection drop

I have a Windows 8 machine that won't connect to a work VPN (other machines configured the same* way work fine). The IT dept at work says the attempt never shows up in the logs. On my computer, it ...
2
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0answers
1k views

Cannot access any web page but the internet connection is fine

I found this before posting my question, but it was pretty unconstructive, so I chose to post a new question anyway....with more details to the problem. PROBLEM As the title says, I cannot access ...
2
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0answers
164 views

How much performance reduction is ok for a linux router?

I am having thew following (simplified) setup: I have a private Subnet where my PC is located. The subnet goes over a virtualized server into the internet. The server uses internally two subnets: One ...
2
votes
0answers
420 views

How do I keep Windows XP computers from turning Master Browser elections back on?

I have a wired LAN network that includes two XP computers and a Windows 7 computer. I previously turned off the two XP computers from running in the master browser elections so the Windows 7 computer ...
2
votes
0answers
278 views

“GSM only” mode in modem settings in tomato router

I use Shibby tomato firmware in ASUS-N66U. I use the "3G modem" option in it for WAN. it was working fine till now with my SIM's 3G data plan. I would like to use only 2G data from now, is there any ...
2
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0answers
129 views

Limit user bound ports to arbitrary ranges

Is it possible to allow user to bind only certain ports? For example, I was trying to achieve this: user1: can bind only on ports 4001 and 4002 user2: can bind only on ports 5001 and 5002 and so ...
2
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0answers
102 views

What could be causing two different laptops both with Wireless-N adapters to have very different speeds?

My dad recently bought a Dell XPS 14 laptop that had an integrated Intel(R) Centrino(R) Advanced-N 6235 wireless adapter, but it appears to be known to drop connections a lot. He'll suddenly get ...
2
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0answers
438 views

Can't connect Wi-Fi on Linux Mint 14

I have got Linux Mint 14 and everything worked fine until today. Today I installed and configured a new router I bought recently, then I tried to connect it. I clicked on the router name in the list ...
2
votes
0answers
112 views

How do I resolve “no connection is known” for FreeSwan VPN?

cannot respond to IPsec SA request because no connection is known for 111.111.111.111:4500:17/1701...222.222.222.222:40389[@laptop.our.windows.domain]:17/1701===0 I've spent hours trying to figure ...
2
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0answers
251 views

Forward IPsec tunnel from IPv4 endpoint to IPv6 endpoint

I have a new ISP and only have a Dual Stack - lite connection now. That means I can't access my router via IPv4 anymore, since the external IPv4 address is private. I have native IPv6 connectivity. ...
2
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0answers
203 views

Debian VM will not longer bring up the host-only interface

I've set up a Debian7 VM for PHP development, according to this guide: https://jtreminio.com/2012/07/setting-up-a-debian-vm-step-by-step/ It worked great, initially. But after restarting my Windows 7 ...
2
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0answers
7k views

How to fight network latency and jitter issues on Wifi?

I'm having problems with my Wifi connection. I did a test on PingTest.net with the following results: Packet Loss: 0% Ping: 103ms Jitter: 29ms Same test but from another machine on the network ...