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

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594 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 ...
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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. ...
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62 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 ...
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231 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 ...
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144 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 ...
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365 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 ...
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464 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 ...
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19k 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 ...
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91 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 ...
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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 ...
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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 ...
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16 views

Creating laptop wifi hotspot losing ssid when sharing connection

I have created a wifi hotspot on my work laptop I started the hostednetwork and in the network and sharing page I could see the ssid 'hotSpot1' under the wireless network connection 2 (WNC2) icon. I ...
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440 views

Windows 10 - Wi-Fi limited on reboot

So I've just upgraded to Windows 10 from Windows 7. So far I'm not impressed. I could talk about other problems I've been having, however there's one main issue that has been bothering me. When I ...
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0answers
61 views

Xen VPS with 2 IPs from 2 different subnets

I am new to Xen and I am trying to understand how to add 2 different IPs on the same guest VPS. First, I am going to explain my node setup, which is a physical server with 32GB RAM and 2 NICs on it. ...
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31 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 ...
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56 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 - ...
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30 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 ...
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43 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, ...
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167 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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309 views

OpenVPN, L2TP, or PPTP client that is a SOCKS5 server | linux

I need an OpenVPN, L2TP, or PPTP client for Linux - don't care which - that acts as a SOCKS5 server on the local machine. It should not set up tunnel interfaces or anything like that, it should just ...
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629 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 ...
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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. ...
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627 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 ...
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699 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 ...
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379 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 ...
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611 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: ...
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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) ...
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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) ...
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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 ...
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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 ...
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18 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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12 views

How to pick a different WiFi connection when one drops?

I have 2 WiFI connections available. Sometimes, the WiFi network disconnects, and when that happens, I'd like the system to automatically use the other connection. How can I do this? I'm using a ...
2
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0answers
11 views

OpenVPN works fine on windows but not everything on ubuntu

I have setup OpenVPN connection on windows and ubunt PCs. there are several websites I should be able to reach with this VPN connection and everything is fin with windows as I can reach them all. but ...
2
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0answers
21 views

Why is ping time to two ip address location fairly close to each other so different?

I am based in India and I am using rackspace virtual server in Hong Kong. Also, I am communicating to a external website hosted in Hong Kong. So, there are three computer end-points to consider as ...
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18 views

Mac OS LACP Connection Can't Ping Certain Hosts

I have a Mac OS Machine that I've set up a LACP connection with a cisco SG300. bond0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=23<RXCSUM,TXCSUM,TSO4> ...
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44 views

Windows 7 - 2 simultaneous network connections

I have two (onboard) ethernet adapters that I would like to use to access both a LAN (used to communicate with a highspeed camera) and the internet. After implementing recommendations from these two ...
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28 views

Prevent network hotspot

I have a network consisting of desktop computers, laptops and iPads. Internet is provided through MAC Address filtering. Some users make the devices work as hotspot and use internet on their ...
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1k views

Windows 10 computer can't connect to any other computer on the network

Just upgraded my laptop to Windows 10. Everything seemed fine until I tried to connect to my Win7 desktop. Manually typing the name doesn't work (gives me Unspecified Error (0x80004005)), and when I ...
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23 views

Windows 7 ignoring DHCP Offer packets

My laptop with Windows 7 can't renew it's IP address via DHCP. I've tried both my ethernet card and my WIFI card, and I got nothing. It stats fine when I log in in my session after a reboot, but after ...
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0answers
21 views

Scan using nmap on a different network

My system is connected to a router and that router is the part of LAN. How do I scan other systems that are a part of the LAN to which my router is connected ? My Router's DHCP allocates C-class ...
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33 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 ...
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25 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 ...
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0answers
50 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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55 views

DNS Search Suffix: Multiple domains, multiple DNS servers

I'm at work connected to workdomain.com I use a client VPN connection to connect to homelab.com Now if I ipconfig /all I get: Windows IP Configuration Host Name . . . . . . . . . . . . : ...
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32 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 ...
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27 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
61 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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37 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 ...
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0answers
31 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 ...
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12 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 ...