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

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111 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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1k views

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 ...
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93 views

what is a scoped dns query?

In MAC OS X (Mavericks) i see multiple resolvers and i dont understand the difference between scoped and non-scoped dns query resolver as displayed below. $ scutil --dns DNS configuration resolver ...
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897 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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1k views

Windows 8.1 Hyper-V guests cannot access Internet

I've set up several Linux VMs using Windows 8.1 Pro's Hyper-V feature. This was working fine yesterday. Shortly after installing a new VM, I noticed that it could not access the Internet. This was ...
3
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271 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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895 views

Configuring syslogd to accept remote connections on OS X Mountain Lion and assign them a category

From another thread here on Stack Exchange, I have discovered that it's pretty easy to enable syslogd on Lion or Mountain Lion to accept incoming connections. cd /System/Library/LaunchDaemons sudo ...
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381 views

Capturing Internet Connection Sharing (ICS) traffic using Fiddler

Does anyone have any idea how to capture HTTP traffic that goes through my ICS connection? Full details: I have a PC connected to internet via Ethernet. PC has set up a Wifi Hotspot using Internet ...
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2k 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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603 views

Virtual Box Bridged network w/ Static IP Win7 host Ubuntu Guest

Last year, I had no trouble with doing the following: Create virtual machine Set network adapter to bridged adapter Set static IP Guest connects to Internet, host connects to guest @ 192.168.1.xxx ...
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426 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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794 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
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953 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. ...
3
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0answers
890 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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0answers
111 views

VirtualBox XP host on Yosemite fails to connect to Mac share

Upon upgrade to Yosemite, my VirtualBox Windows VMs no longer connect to shares on the host Mac e.g. \\my-mac's-name\folder-name. It seems to see them (in Network Places) and either continually ...
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30 views

How to share any folder without password in Windows 8/10 in a home network if a Microsoft account is involved?

My question is: How to set up file sharing correctly, in a home network, with Windows 8/10, so sharing any folder with "Everyone" (File Explorer->Right click on ...
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23 views

Linux Mint 17 (Cinnamon) doesn't discover the windows workgroup in Nemo?

I can scan the network via arp-scan and find the IP's of all the machines on the network but it doesn't resolve to the file manager. In Windows my machine is also not visible. I am able to connect to ...
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26 views

Can only communicate with NAS via one Ethernet adapter and not the other

My main home computer is a desktop equipped with an ASUS P7P55D EVO, which comes with two Ethernet network ports; Windows labels them Realtek PCIe GBE Family controller Realtek PCI GBE Famil ...
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40 views

Port Forwarding on Router using same internal port number on different IP addresses

The objective that I'm trying to achieve is to be able to connect to two computers that are behind the router using RDP. My logic is that I should be able to connect to the router externally on 2 ...
2
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0answers
70 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 ...
2
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0answers
38 views

Mobile broadband with hardware VPN (vs. software configuration of VPN on the computer)

Context I find it quite convenient to connect to the Internet using the following setup Computer is connected to DSL internet via a router The router has DD-WRT firmware installed VPN access and ...
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23 views

Can I add multi-mode fiber optic media converter at any point of my network previously distributed in single-mode fiber optic?

I have used single-mode fiber optic media converter in my whole network. But my Fiber Optic cables have 2-pair of optical wires. I only use one of them for single-mode purpose. Now I want to introduce ...
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84 views

Stuttering/Latencies when LAN/Ethernet Driver active

I experience heavy video/audio stuttering when playing a video or general latencies when downloading a file when connected via LAN/Ethernet NOT when connected via WLAN/Wifi. According to my ...
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32 views

no route to host: Is this associated with SSH or system network configuration?

Problem statement: Not able to ssh from pc1 to any other pc's mentioned below after adding the IP rules tried below System setup: I have a set of 4 machines connected to HUB. Their N/W config: ...
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22 views

Squid as transparent proxy

I am trying to configure squid as a transparent proxy. Eventually, I want it to use one of 5 different outgoing IP addresses based on the IP address the request was received on. My configuration ...
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0answers
27 views

Nullmodem connection performance

I want to transfer 118 MiB data from an old Windows 95 PC to a laptop running Windows 95 and 2000 in dual boot. The computers do not have an Ethernet card and I do not have a second computer where ...
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0answers
51 views

Internet keeps getting Disconnected & Reconnected

I have an Internet connection thru a Phone company which uses DSL modem to connect. For past few weeks my net connection keeps getting disconnected for few seconds & it reconnects automatically. ...
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0answers
105 views

“Safe” personal router use on apartment-wide network

I recently moved into an apartment with internet included in my rent. This was a boon at first, but now I'm feeling limited. To get devices connected (wired or wireless), I have to whitelist the MAC ...
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56 views

Allowing internet connection through VPN

I had created a VPN income connection in windows 7. Everyone connected can see my local files and all, but I would like them to also be able to use my internet as well. my computer IP is ...
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0answers
79 views

Password Recovery from Router without Reset

Background Story: Previous Technician for a small business set up a network for a customer. The Technician went AWOL (The small business owner is a close friend, and I knew the previous technician as ...
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0answers
22 views

Mac OSX HTTP slowness

I've been having internet issues at work for a while now. I'm using Mavericks on a 2013 retina MBP, and the internet will repeatedly just start being abysmally slow connecting to websites. Websites ...
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135 views

Why is avahi-daemon excessively spamming my log files?

My VPS provider recently suspended my account for "participating in a DoS attack". Since I've naturally done no such thing, I can only assume it was a security breach, and am now investigating what ...
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89 views

Lenovo hardware test “local connection test” failed for Intel Centrino Advanced-N 6205

My Lenovo ThinkPad T430s occasionally has WiFi connectivity problems where it will work for a few minutes, and then connections will fail even though it is still connected to the AP with a strong ...
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50 views

Windows XP network issue - Looking for wrong Workgroup

Say my workgroup name is "MyGroup". Every time I pull up Windows Explorer, go to My Network Places and then Computers Near Me, I keep getting a message that says, "MyGroup2 is not accessible..." I ...
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0answers
42 views

Removed VirtualBox DHCP still offers addresses. Why? How can I make it stop?

I have VirtualBox installed on a Windows 8 host. I was using the VirtualBox DHCP server for a while, but now I'm trying to switch over to a DHCP server installed on one of the guests. The VirtualBox ...
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0answers
15 views

Unable to browse to certain sites

I have a few guests on a XenServer host, and some sites ( both SSL and non SSL ) cannot be accessed by the XenHost and the Guests. Other machines on the same network can access these sites just fine, ...
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520 views

Still getting 407 from Proxy after CONNECT

I'm in a corporate network that access to the internet through a proxy. For instance i have connection to Internet through the browsers (Firefox, Chrome ...) The problem is that when i'm trying to ...
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0answers
562 views

Why does NTP require bi-directional firewall access to UDP port 123?

From What are the iptables rules to permit ntp?: iptables -A INPUT -p udp --dport 123 -j ACCEPT iptables -A OUTPUT -p udp --sport 123 -j ACCEPT Also, from the NTP website: ... ntpd requires ...
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210 views

Windows 7 File Transfer Speed Over Gigabit is Exceeding Expected Limits(!?)

I have two PCs and a network switch, all gigabit hardware. I transferred this ISO file between them and noticed the Windows copy dialog reporting faster rates than I expected: 181 MB/s ? How could ...
2
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0answers
283 views

Trouble setting up more than 4 network adapters in VirtualBox (XP Guest)

I've been trying to setup the 8 network adapters that VirtualBox is supposed to support, through the command line. I need them as bridged networks (because I use them to forward ports from a server ...
2
votes
0answers
67 views

OpenVPN client can't reach a box on server's LAN

I can't seem to figure this out. The server runs on a VPS with private networking. I need to reach another VPS on the same datacenter from the client via the OpenVPN server. The server's LAN IP is ...
2
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0answers
571 views

Why do I have to keep flushing my DNS cache?

Several times a day, my Internet connection stops working on my Windows 8 computer (it's not the network, other computers on the network work fine). It happens on all of my Windows 8 computers ...
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0answers
41 views

Computer screen goes black accessing network folders

We have a computer on our network whose screen goes black when you try to access shared folders on the network. When working locally it doesn't happen at all. But if you, for instance, open the run ...
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0answers
56 views

IP forwarding on windows 7

I want to redirect incoming traffic with a specific IP destination address coming to my computer to proxy server working on this PC (C# app). I tried to accomplish it by using netsh interface ...
2
votes
0answers
252 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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43 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 ...
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0answers
26 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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0answers
92 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 ...
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0answers
50 views

adhoc networking in decentralized way

I am trying to create a adhoc network in which I am going to use one or more android devices to connect to laptop(s). Say laptop A, laptop B, Mobile C, Mobile D. I rooted one of my android device and ...
2
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62 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 ...