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 setup Access Point (WiFi hotspot) on Debian

I'm trying to setup an AP got stuck. I'm using an Odroid U3 and the WiFi adapter is the Module 3 from Hardkernel. I'm also using a Debian Jessie. Not, I've got it to almost work: the Odroid has ...
6
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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 ...
5
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0answers
1k views

QEMU within VirtualBox and bridged connections all the way down

I'm trying to get an ARM QEMU system out on my LAN. I tried running QEMU directly from Windows (Windows 7 x64), with success except I could not get a TAP adapter to bridge to my wireless connection. ...
4
votes
0answers
55 views

Forcing *BSD to accept both IPv4 and IPv6 traffic on a single socket

I have tried a ton of stuff and keep coming up entirely empty handed. Allow me to frame the situation: I have a *BSD Jail setup in FreeNAS that runs a Plex Media Server (Plexpass). It has IPv6 ...
4
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0answers
210 views

Suspicious NetBios Name Service traffic

A friend of mine recently complained about the very bad performance of the Internet connection over her family's LAN. Apparently the Internet connection worked normal most of the time but certain ...
4
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0answers
118 views

How to configure Windows Firewall to allow all ports in use by IIS Express

My understanding of this technet article, per the page that brought me there*, is that I can configure the Windows Firewall to allow all inbound traffic on any port being used by a specified ...
4
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0answers
560 views

Mac OS X Force Internet Sharing Traffic Through Proxy

I have Internet Sharing set up on my Mac OS 10.9.5 machine, sharing my Ethernet connection to any devices connected to the created Wi-Fi hotspot. I'm looking for a way to force all that traffic ...
4
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348 views

Computers connected on LAN ports, via a wireless router, are unable to communicate

What I have Linksys WRT54GL with DD-WRT replacing the original firmware Linksys is connected to the internet on the WAN port, standard stuff 2 windows (7 and 8) desktop computers connected via the ...
4
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452 views

VirtualBox Port Forward not working when Guest IP *IS* specified (while doc says opposite)

Trying to port forward from host (Mac OS X) 127.0.0.1:8282 -> guest (CentOS)'s 10.10.10.10:8080. Existing port forwards include 127.0.0.1:8181 and 9191 to guest without any IP specified (so whatever ...
4
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18k views

An error occurred while Internet Connection Sharing was being enabled

I want to share my lan internet connection over my hosted network. But it's being failed due to An error occurred while Internet Connection Sharing was being enabled... I found this post but all the ...
4
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0answers
88 views

Why does a Tor relay send more data than it receives?

I run a Tor relay. I have often seen that there is a significant discrepancy between the amount of data sent and that received. For instance, this morning log states: Tor's uptime is 7 days 18:00 ...
4
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3k views

How do I configure DD-WRT to forward IPSec traffic to an internal server to support a road warrior configuration?

I use dd-wrt as my home router setup and that's been working fine. Now I wanted to figure out a way to be able to use my iPad to set up a IPSec tunnel to my home network while I'm on the road. PPTP ...
4
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1k views

How to copy connections to other locations in Mac Network Preferences

The Problem: I want to be able to use selected connections in different Location(by Location I mean Location combo in Mac Network Preferences). I want to be able to find a connection in Network ...
3
votes
0answers
23 views

SSH Connection freezes after minutes of unuse?

I run a RaspberryPi with Raspbian operation system. I have installed a WLAN stick and connected the pi only over WLAN to my network. I can access the pi with ssh pi@pi-ip-address This works fine ...
3
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0answers
41 views

Beaglebone DHCP Server Assigns its Own IP Address

I'm trying to run a DHCP server on my Beaglebone Black (running Debian), and I want to give it a static IP address - 192.168.17.1 - but it keeps assigning itself its own different IP address - ...
3
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27 views

Is there a better way to prevent Internet connection before VPN connection other than carrying a mobile AP?

Cellular data (LTE, 4G, 3G, etc) is very expensive and one can find some free Wi-Fi APs. But these days, there are so many compromised or malicious APs. To prevent man-in-the-middle attacks and to ...
3
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164 views

Nas/Switch/ DD-WRT Router, Interesting Problem

I had a network setup that consisted of the following. WNR2200 [router] with DDWRT [Firmware: DD-WRT v24-sp2 (06/23/14) std] running on it, connected to a Netgear 8p Gigabit [Switch]. My laptop and ...
3
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0answers
585 views

VPN DNS Configuration bug in OS X

I am using TunnelBlick to connect to an VPN (OpenVPN) with OS X 10.9.2. I can authenticate and pass traffic but the DNS entries injected from the VPN do not work. Here is the output of scutil --dns ...
3
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2k views

Route outgoing VPN traffic through local transparent proxy

I have a Digital Ocean droplet (similar to an Amazon EC2 instance) running Ubuntu Server 12.04.3 x64 with both strongswan 5.1.1 (built from source) and squid 3.4.2 (also built from source) installed. ...
3
votes
0answers
593 views

How to mount a samba share on non-standard port?

The firewall on my network drops all packets on TCP port 139 and 445. So all samba shares don't work outside the LAN. I tried letting the samba daemon listen on a non-standard port. This method works ...
3
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0answers
653 views

How can I set an IPsec ID using the Windows 8 built-in VPN client?

I'm trying to connect to a VPN using the built in Windows 8 VPN client. The VPN uses L2TP/IPsec and a pre-shared key. I can see it's connecting to the VPN but not making it through authentication. I ...
3
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372 views

Setup BIOS to network boot to FOG server

I have a FOG server installed on my Ubuntu 12.4 OS. The FOG server is setup and running. On the client machine, I am trying to network boot into my FOG server, but it never connects. I can't figure ...
3
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596 views

Did I brick my pogoplug?

I just received a POGO-P21 and followed the archlinux installation instructions. Got to step 12 without any trouble or error message. Rebooted the device, and now it won't come up. Good news: ...
3
votes
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1k views

DD-WRT router causing IP address conflicts across network

My DD-WRT router has lost its mind! (Caveat: technically neither of these devices are "routing". I'm going to call them routers anyway.) I just set up two DD-WRT routers, one as a WAP (working fine) ...
3
votes
0answers
1k views

Hamachi Gateway under Linux

Has anybody successfully gotten Hamachi working on a Linux server working as a gateway? Any help getting that setup? I'm in a dorm room (so I am pretty much forced to use Hamachi instead of OpenVPN) ...
3
votes
0answers
1k views

Linux driver for Bigfoot Killer E2100…?

I have looked around online a bit, but have not been able to find any drivers to make a Bigfoot Killer E2100 work under Linux (CentOS 6, for what it's worth). The one candidate I found required a few ...
3
votes
0answers
2k views

How do I make VirtualBox's vboxnet interface show up in the OS X network configuration GUI?

I'm willing to do any amount of frobbing of settings in .plist and .xml files to make this work. The scenario is this: I have a nice Android based phone. The phone can do USB tethering. OS X 10.6 ...
2
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0answers
26 views

Everytime I restart router, i have to plug in ethernet cable again in wan port. Why?

I have an ADSL+2 modem to which I have connected to a TP-LINK WR740N wifi router with a 100 feet Cat6 Ethernet cable. Every time I turn on the router , i have to plug in the Ethernet cable again in ...
2
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0answers
10 views

Netgear R7000 router lags when connecting to VPN

I just bought a new Netgear Nighthawk R7000 router to use on my 100Mbps cable broadband connection. Download speeds and upload speeds look fine except when I VPN into my work's intranet. On my old ...
2
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0answers
40 views

VirtualBox networking (inception computing)

I am new to world of networking and now I am trying to connect 3 PC`s together. I have windows 7 host that runs Ubuntu64-bit server guest, that runs ubuntu32 server guest. Win7- Host Only network ...
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21 views
+100

Periodical network downstream outage

Few weeks ago I started experiencing regular network outages. With seemingly high accuracy any downstream operation is paused for ~1s every ~12s. This experience goes along with what Task Manager ...
2
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0answers
29 views

Using home NAS as a substitute for local storage: Performance and application compatibility considerations

I recently got a Mac laptop for the first time, and now have 4 computers in the house (2 Mac laptops, 2 Windows desktops). The idea of the laptop is so that I can have more computer time because I can ...
2
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0answers
22 views

2 servers and only one way traffic

This has me stumped... I've got an old war horse SBS 2003 server and a server that is a few months old running Server 2008 R2 (Don't ask me why they put 2008 on it when it's so new...). The 2003 ...
2
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0answers
44 views

Bluetooth over IP?

It seems to be possible to run USB over IP, e.g. using usbip which is part of some Linux distros e.g. https://www.archlinux.org/packages/?q=usbip Is there something similar for Bluetooth over IP? ...
2
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0answers
35 views

Ethernet will not activate on DELL/Alienware Aurora R4 box running Ubuntu 14.04 LTS

I'm running an Alienware Aurora R4 with Ubuntu 14.04 LTS and the Ethernet cable is plugged in, the light is amber, but it will not connect. It shows: NEVER USED. I've turned off IPV6 and set IPV4 ...
2
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0answers
25 views

Restrict port access per application

I'm currently working on a platform that will allow other users to run their applications on my platform. Though, we need to be able to restrict this application in terms of RAM, CPU usage, network ...
2
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0answers
11 views

Cuckoo with pfSense

I am trying to set up Cuckoo with pfSense, and it is either not getting the information from the Cuckoo server, or it is not correctly sending the info back to the result server. I am using a LAN ...
2
votes
0answers
42 views

Prevent ARP spoofing in AP, “wl deauthenticate” command

I am in a situation where I cannot do MAC filtering in an AP and I need to block a user that is ARP spoofing the network. I am trying to use the command wl deauthenticate to kick the client. And I ...
2
votes
0answers
87 views

Something “kills” my Apache-PHP-Processes after some time

I have the following really strange problem and hope, you guys can help me out. If there are any questions, I'll try answer them as best as i can. The problem I have a web server with Debian 6.0, ...
2
votes
0answers
88 views

Can I set up Windows 7 VPN so that only sites blocked in China are routed through VPN?

I'm in China behind the Great Firewall using a VPN service provided by a friend so didn't get blocked in the VPN crackdown in January 2015. Since VPN can slow down traffic a lot I'd like to only ...
2
votes
0answers
37 views

Open up for remote website request on IIS 8

I have a IIS 8 on a windows server 8 that currently has its firewall shutdown. I am trying to open up for other computers to access the website that this IIS is running. I can access it locally. I can ...
2
votes
0answers
39 views

Controlling shared internet connection on LAN, (no switch, just a basic lan with a modem and PC with two network adapter)

I have shared my internet modem connection using a PC with two LAN adapters. I want to control the access of shared internet on my LAN. IP of the internet modem is ----------> 192.168.1.1 Shared ...
2
votes
0answers
39 views

How to find what kind of network am i connected to? Is it a LAN or a WAN or a MAN ? in windows

How to tell whether the network i am currently connected to is a Local Area Network or a Wide Area network or a Metropolitan Area network ? Also what is a MAN(is it a link between two or more ...
2
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0answers
38 views

Slow and strange network after bittorrent downloads

I have a rather strange problem, after I have downloaded bittorrent content the network on my computer becomes strange and unresponsive. And I have to reboot the computer to get it to function ...
2
votes
0answers
61 views

Virtualize MAC addresses on a single physical network interface

Background: I am working with an application that runs on a host machine that mainly identifies clients via MAC addresses (something that I would not like to change). I am attempting to simulate ...
2
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0answers
84 views

internet traffic slow through switch; VOIP issues too

There's already a post about this, but the solution to that one didn't work for me, so here's my version: We have Cox cable internet, 100mbps | We have a Sonicwall TZ 215w | We have a netgear L2 ...
2
votes
0answers
64 views

Proper network architecture for fault tolerant multi WAN multi building WLAN setup

I need help with deciding the correct network architecture for a guest WLAN deployment. We have 3 buildings, and each of them has its own LTE router (Mikrotik RB411U) connected to an Ubiquiti ...
2
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0answers
58 views

What are These Outbound Network Rules

I Have a few odd looking network outbound rules for my computer they are Name Group Application Package f5.vpn.client f5.vpn.client ...
2
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0answers
41 views

Configure firewalld to distinguish home and public ethernet connection

I connect my notebook via ethernet at home and outside. I want to open some ports for services like samba only at home and not somewhere else. How can i let firewalld automatically detect where i am, ...
2
votes
0answers
62 views

Transferring Files Over Ethernet to Network Storage Kills Internet Connection

I have an Airport Extreme router (newest model) with a USB drive attached that I transfer files to. My Mac Pro (3,1 running latest Yosemite) is connected to this router via Ethernet, and I've been ...