For questions on connecting devices together so that they can communicate with each other, as well as on networking equipment such as routers and switches.

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7
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723 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 ...
5
votes
0answers
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
votes
0answers
86 views

Diagnosing iSCSI bottleneck

I just got my hands on a few DL380 G5s, and I thought I would use them in my home lab to test out the creation of a Hyper-V cluster using an iSCSI storage setup. I have installed Server 2012 R2 on all ...
4
votes
0answers
1k views

Make Genymotion use a host VPN

I'm using Cisco's AnyConnect to connect to a VPN using my Windows 8.1 PC. When using the Genymotion emulator, I would like it to use the VPN too. However, although having Internet access from the ...
4
votes
0answers
237 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 ...
4
votes
0answers
561 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
votes
0answers
3k 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. ...
4
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0answers
24k 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
votes
0answers
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
41 views

where does Windows Task Manager measure network data rate

I am trying to build a 10Gbps Ethernet channel between an FPGA and a Windows 7 PC. For a rough estimate, I measured the bandwidth usage of the link using Windows Task Manager's Network Tab. Later I ...
3
votes
0answers
54 views

I keep getting unusual devices on my router

I keep seeing devices on my router that aren't mine (I have cataloged the MAC addresses of the devices in the household). I can ban them, but I can't stop them from coming. Although I use a secure ...
3
votes
0answers
110 views

El capitan unable to reach internet via wifi sometimes

Since yesterday (when my internet provider had some maintenance) my mac book pro (el capitan 10.11.4) has some problems with the Wifi, here's an extract of me pinging google.com via wifi: Request ...
3
votes
0answers
29 views

Prioritizing port 80 on a shared network

I share my internet connection with my entire town of about 1000 people. This makes the connection very slow when trying to browse the web (youtube videos takes forever to load on 144p). When ...
3
votes
0answers
33 views

Adjust linux disk flush intervals to avoid blocking user processes

I'm downloading files on a sd card mounted on a raspberry pi using rtorrent, at around 6MB/s (bandwidth cap). The user process doesn't flush the data itself, and the interval at which the disk cache ...
3
votes
0answers
673 views

Is it possible to use Raspberry Pi as keyboard/mouse/joystick to control a Windows PC?

I have a unused laptop (Win7 64bit) with broken USB port, so I cannot plug any USB device in it. But the laptop itself is good enough to play indie games or any games from last gen. Is it possible ...
3
votes
0answers
51 views

Watching YouTube and saving network usage

Like me, some people may be constrained by the monthly cap they can consume the Internet usage. Thus, my question is, Will replaying YouTube videos again cost you twice the network usage? I always ...
3
votes
0answers
182 views

How to configure tftp server on Fedora 23?

I have installed the tftp server using: #dnf install tftp-server How do i set the tftp server directory ? I don't see any tftp related config files in /etc.
3
votes
0answers
13 views

Modified file not being read over network

I have a strange issue with file sharing in Windows Server 2012. We have an application that's run from a network share. There's also a Terminal Services server so remote users can run it. This ...
3
votes
0answers
32 views

Tracert public address before internal address

So, I have been having problems with Frontier's 74.40.74.40 and 74.40.74.41 DNS servers essentially hijacking certain websites like Google over SSL (gives security warning) and have been trying to ...
3
votes
0answers
174 views

Configuring IP over DNS with iodine

What I am trying to do I am trying to implement a IP-over-DNS tunnel using iodine by following both this tutorial and this one (further in this question I outline exactly which steps I took). I want ...
3
votes
0answers
282 views

Connect and sudden disconnect of ap-hotspot in Ubuntu 14.04

I am having this problem since I first learned to create the ap-hotspot in Ubuntu 14.04 to share my ethernet over wifi. To create this ap-hotspot I followed these steps: 1. Create a wifi connection ...
3
votes
0answers
153 views

Finding IP Address from MAC of a device in a different subnet

I am new to networking as such, but I have been searching a lot about the problem of finding IP from MAC for the past couple of days. I have a device whose MAC address I know and I have an Android app ...
3
votes
0answers
44 views

Why would it be faster to hop SSH with pseudo-tty versus forwarding?

I have noticed that on my office's network, multi-hop SSH connections using the "pseudo-tty" method perform better (see last note) than using the "forwarding" method. Why would this be the case? In ...
3
votes
0answers
67 views

How do I have one OpenWRT router use the DHCP server of another OpenWRT router?

I want one router to be able to access the devices connected to the other router. However one router is connected to the internet modem by ethernet, and the other router is connected to it by wireless ...
3
votes
0answers
43 views

Troubles using Wake on LAN

I hope I'm posting to the right place, and apologize if it is not. I am trying to set up WoL on my computer but am having trouble. I went into my Realtek Network adapter through the device manager ...
3
votes
0answers
150 views

Network File Sharing no longer working after upgrade to Windows 10

Recently my family and I have been having problems with the Network File Sharing feature on Windows. We've had it working ever since we got our first version of Windows XP, but it seems to be ...
3
votes
0answers
78 views

PS4 Voice Chat workaround

Problem Currently unable to use the voice chat feature for parties on the PS4. Equipment List PS4 Linksys WRT1900ac (stock firmware, current main router) Linksys WRT54GL (DD-WRT firmware, backup ...
3
votes
0answers
170 views

Unable to bond two Wi-Fi adapters

I have two mobile Wi-Fi routers (with IP 192.168.0.1 and 192.168.1.1) and two usb Wi-Fi adapters and trying to bond them into failover connection. Using OpenSUSE 12.3 in YaST I've chosen Traditional ...
3
votes
0answers
72 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 ...
3
votes
0answers
381 views

Virtualbox can't detect any network adapter after upgrade windows 10

I install virtualbox 5.0 in Windows 8.1 and running smoothly, but after I upgraded to Windows 10 my virtualbox could not detect any network adapter. I've tried to reinstall virtualbox with this way ...
3
votes
0answers
34 views

How can I read out the value of internal counter inside IPSet

I know there is an option named “counters” when creating an IP set with IPSet. However, I want to know how to read the value of the counters out, so as to know how many packets or how much data has ...
3
votes
0answers
132 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. ...
3
votes
0answers
401 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
votes
0answers
48 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
votes
0answers
57 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 ...
3
votes
0answers
51 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, ...
3
votes
0answers
477 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 ...
3
votes
0answers
8k views

Windows cannot open “Network And Sharing Center”

I cannot open "Network And Sharing Center" on my Windows 8.1 computer. When I try to get access to this window/dialog nothing happens. I usually right click on the network icon in the taskbar, and ...
3
votes
0answers
432 views

SCP error 'unable to open'

So, I set up a SSH server (freeSSH, win7) and can connect to it just fine with PuTTY. I then tried to use pscp to transfer a file (foobar.txt, from client to server). I cd-ed to the dir pscp.exe was ...
3
votes
0answers
477 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 ...
3
votes
0answers
3k views

Route traffic from local network to VirtualBox host-only adapter

For a test I need to allow routing from my local network to a guest inside a VirtualBox. The guest already have outside access. So far I enabled ip forwarding on my local machine (OSX 10.9) and added ...
3
votes
0answers
498 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 ...
3
votes
0answers
209 views

3g modem is not recognized as an ethernet device without rebooting

I have two CentOS5 servers with kernel versions 3.4.52 and Huawei e353 usb 3g modem. When I plug the modem to my server usb_modeswitch runs and I can see the modem as an ethernet device with ifconfig ...
3
votes
0answers
7k views

Windows 8.1: Force all traffic through VPN

I have applications running which need to access a URL through the VPN - NOT through the general internet. I want to be able to specify that all traffic MUST flow through the VPN, but I don't know ...
3
votes
0answers
1k 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
votes
0answers
1k 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
votes
0answers
810 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
votes
0answers
1k 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) ...
3
votes
0answers
526 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
votes
0answers
693 views

Is it possible to replace Forticlient with the native Mac OSX networking tools to connect to a VPN?

Because I don't like FortiClient software, it installs a daemon running all times, and I just really want to run the app when I do need to connect to the VPN (once a month), not really have it use ...