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

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Connect from A to C using B in the middle

What software can be used to do a connection: A <-> B <-> C Where: A is a windows pc. B is a windows pc on a remote desktop (with an static ip) C is another computer that expect connections ...
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7 views

Stop websites on apache webserver ( localhost ), to access internet

I am using Uniserver for php web development. Most of my work involves working on wordpress websites. Wordpress core files and some css / js files ( e.g. cdn js or google fonts ) require internet ...
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0answers
11 views

DNS Issue in ubuntu 14.04

I am facing DNS resolving issue sometimes in my Ubuntu 14.04.2 LTS trusty. I have configured my system with network manager to work with static IP assignment. I have also tried by changing DNS server ...
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1answer
17 views

brctl doesn't seem to be fully communicating internally from network namespace

For some reason ping -I br1 10.0.0.2 works but ip netns exec vpn ping -I veth1 10.0.0.2 doesn't. This server is set up as a router. Also ip netns exec vpn ping -I veth1 google.com works. What am I ...
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0answers
5 views

Networked user cannot user local printer

I have a user on our network has a purchased a Dymo label printer. I am able to install the software that runs the printer; install the printer which is then visible in device manager. When I ...
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1answer
20 views

Possible network loop with WiFi and Ethernet when docked

I have been seeing a weird problem that I can't reproduce on demand and have a suspicion on the root cause. The Issue: Intermittently the entire network goes down until I walk around and unplug ...
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0answers
17 views

Why ssh -R allows port '0' but ssh -L needs a port number?

Why with ssh -R is possible to allocate a free port by specifying '0' while with ssh -L you need to specify a valid free port? I want ssh to use a local free port to FWD remote traffic without ...
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1answer
20 views

the nature of pxebooting

Got a question regarding pxe-booting into freebsd. Let's assume the following. Machine A = dhcpd/tftp/console server Machine B = no OS (about get one by PXE) After pxe-booting machine B, I expect ...
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0answers
12 views

RouterBoard ether 1-ether10 Configuration [on hold]

Sir, i want you guys to help me configure Router-board 1200 series.how to configure ether1-10. each as to segment bandwidth on each. thanks!
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1answer
18 views

Virtual Box Bridged network failed to get IP (DHCP) No DHCPOFFERS received

I am newbie in networking and virtual box configuration, I have spent several days dealing with this problem. My goal is to get Bridged network working. When I try to UP interface in my Virtual Box ...
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0answers
24 views

Automatic Wireless Network Switching

I have a weird situation at work I'm trying to fix.... I work as a web developer at a large corporation with the usual over the top security on its networks. To be absolutely clear, I'm not trying ...
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0answers
11 views

radius authentication os x server and client certificate

I configured a Mac mini with OS X v10.10 and OS X Server, and an AirPort Extreme. The Wi-Fi network is WPA2 Enterprise, and the server provides RADIUS authentication service. I want the client ...
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6 views

Network problems, can't ping my mac

I run VMware Fusion 7.1.1 and an Ubuntu server 14.04 on my imac 10.10.3 for web development. I have a thunderbolt Promise connected to the mac and mounted this on my ubuntu using smb, everything ...
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0answers
12 views

NetDMA (and Direct Cache Access?) have been removed from Windows 8 / Server 2012. Why?

The MSDN page on Direct Cache Access (DCA), which is part of NetDMA, states The NetDMA interface is not supported in Windows 8 and later. So I guess both NetDMA and DCA are gone. As both seemed ...
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0answers
11 views

Unable to login CPE's configuration page

I have OUTDOOR WI-FI CPE installed by my ISP for internet connection. Manufacturer: "Telenet systems" Model: "TWI 1040 - PE" The specification on their website says it supports HTTP web based GUI ...
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3answers
29 views

Why can't the guest of VirtualBox connect to network?

I have installed CentOS 7 on virtualbox, and network setting is NAT. The guest can't connect to network: systemctl -l status network output likes this: ip addr output likes this: Could anyone ...
7
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1answer
106 views

How can my VPN connection be faster than my standard connection?

Yesterday I got a VPS as a dedicated machine for OpenVPN, I set it up and ran a speed test today, what I saw astonished me: With VPN: Without VPN: The VPN is situated in another country, on a ...
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2answers
26 views

Setting an “unidentified” network as “Home” automatically

I have a (wired) network consisting of two Windows 7 (x86) PCs, a HP network printer, and a gigabit network switch. There's no router or DCHP, so they all have fixed IPs in the 192.168.0.xxx region. ...
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1answer
15 views

Can't find one virtual machine whose network IPV4 is DHCP enabled

I had a virtual machine which I connect remotely from my windows machine. Virtual machines TCP/IPV4 property was assigned one static IP address by the network administrator. I have changed that from ...
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3answers
24 views

How does virtualbox get the network configurations?

I am installing CentOS 7 on virtualbox. On "Network & Host Name" screen: When toggle the "OFF" to "ON", I can see the IP, DNS, netmask are all configured: I am curious about how does ...
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1answer
31 views

Chrome & IE can't access local website, while Firefox can. How to debug?

1. Enviroment 1.1 Host machine Windows 8.1 Enterprise Chrome v42.0.2311.152 Firefox v38.0.1 IE v11.0.9600.17031 VirtialBox Vagrant 80 port forwarded to port 80 at guest machine at 192.168.56.101 ...
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1answer
564 views

How does the internet work in space?

I've been learning about how the infrastructure of the Internet really works through this answer to the question, Who provides the Internet service to Internet Service Providers (ISPs)?. I know that ...
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1answer
38 views

DNS not functioning on command line

I recently did a combination of Vagrant + VirtualBox stuff on my machine to try to get a virtualized Ubuntu install working. However, I had no luck with it so I just uninstalled everything. Ever since ...
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0answers
23 views

How additional IPs are added to hosting

Hi i have centos server with 1 ip address. I bought 2 more ip address from same server company, and i added them in ifcfg-eth0:0 and ifcfg-eth0:1 in my server. When i ping within my server using SSH, ...
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0answers
6 views

Cisco VPN, Site 2 Site Via VPNC Gateway

i may be barking up the wrong tree here, been racking my brains over this. I've been asked to setup a Cloud network which will house a number of services. They asked me to use our excisitng Cisco ...
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0answers
17 views

Win 7 defines share network path incorrectly. Therefore it can not be discovered on the network

I have 3 Win 7 machines networked, but not using Homegroups. The problem I have is with one of them (my laptop)and how it defines the Network Path for sharing the Public directory under Users. The ...
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2answers
37 views

Passing through a firewall with a “reverse” proxy

I have to do a workshop in a firewalled environment which is preventing me to show everything I would like and I'm looking for a workaround. I'll be demoing a software which runs on Windows. During ...
1
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1answer
16 views

Error when trying to copy over the network using robocopy

C:\Users\Alex.Newton>robocopy /"\centlpf01cz6c\c$\Program Files\ProgramName\/" /" \centlpf01cz6c\Program Files\TestBatch\Test\/" ...
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0answers
24 views

Possible to share VPN connection?

I am part of a small company. We are currently doing presentations which require access to our VPN. Unfortunately, a number of our laptops got stolen. We now have one laptop which has access to VPN, ...
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1answer
9 views

Redirecting marked packets to Tun device

I have a small program that needs to do various things with a selection of packets, based on various iptable rules. The packets are MARKed this way: iptables -t mangle -d 10.10.0.0/16 -j MARK ...
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0answers
21 views

Destination host unreachable

An user reports issues with wwan0 interface. 4: wwan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:fa:a8:34:86:69 brd ff:ff:ff:ff:ff:ff ...
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1answer
22 views

Cannot add, remove nor access mapped share “Element not found” in Windows 8.1

A standard user on my Windows 8.1-64 cannot remove a mapped drive. Tried command line and explorer. Tried run as admin. "Element not found" everywhere. C:\Windows\system32>net use x: /delete The ...
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8answers
1k views

Is it possible to merge my ISP and cellphone Internet access? I want to split download and upload [duplicate]

I would like to use my ISP for download only, and my cellphones 4G connection for upload only. This is because my ISP's upload speed is poor, but download is OK, and my 4G upload is great and free (I ...
0
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1answer
8 views

is it possible that we can share files and folders from workgroup system to domain system

I'm a student I have created a server on vmware (windows server 2003) and installed active directory, DNS, Dhcp. and in virtual box two client xp systems and added both client system in domain. now i ...
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0answers
6 views

Need all local traffic through Debian - Routing?

Been dealing with this for some hours now and my head are really spinning. So I got this cable network router (192.168.0.1) that Im trying to pass all my local traffic to. But I cannot for the life ...
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1answer
25 views

ssh connection error “Permission denied (publickey)”

So I have been trying to build ssh connections between google cluster container containing 1 master node and 2 worker nodes. I have used ssh-keygen to generate key pairs for all three nodes, send the ...
2
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1answer
25 views

Sharing Internet connection from a Linux VM to Windows

I'm looking for a way to share Internet connection from a Linux operation system like Ubuntu or Kali to Windows 8.1. what i'm trying to achieve is to use one of these open-source based WAN ...
1
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1answer
37 views

Decide to allow or block internet access to applications [on hold]

I'm looking for a simple tool that everytime an application of any kind tries to access internet asks something like "Application.exe is trying to access internet" and lets me choose wheter to allow ...
0
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0answers
18 views

Problematic RTL8188EE Wireless Network Adapter

Good Day All, There are numerous results when searching google on this issue, however, none seem to have a solution. I am hoping to resolve this issue -- or at least have a decent workaround. It is a ...
0
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0answers
11 views

ESXi 5.5 - Management network with no gateway

I'm setting up a test lab for VMware in Hyper-V. I have 3 vSwitches in Hyper-V: -EXT01 -INT01 -INT02 I've also created a W2K12 VM in Hyper-V which has the following roles installed: -AD/DNS -DHCP ...
1
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1answer
12 views

systemd-networkd does not receive dhcp requests

host, container: fc21 $ systemctl start systemd-networkd.service $ systemd-nspawn -b -D `pwd` -M m1 --private-network --network-veth ... In container: $ systemctl start systemd-networkd.service $ ...
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0answers
16 views

UDP over Internet

I have a small problem: I want to program a simple Apllication that sends a small word (in this case: "Hello") to a server. This Server should display it via cout. This is just a project to learn how ...
0
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1answer
22 views

Make my NAS send me a notification when it receives a new public IP

In order to keep my most valuable files safe(r) I have a remote NAS setup. Every night I use rsync to send my changed files from my local server to the NAS and this is working somewhat okay. My ...
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0answers
19 views

AMD FM2 - Windows 7 - Slow downloads in IPv4, Fast IPv6 and uploads

I am having problems with one computer on my network. Same result wired or wireless, IPv4 Downloads are super slow. Uploads and IPv6 downloads are fine. Running windows 7 Pro - 64bit. Loaded the ...
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0answers
16 views

point multiple ip address to hosting

I have centos server, earlier it had 1 ip [ a.b.c.d ] (external ip , eg., 141.101.114.59). Now, I bought 2 additional ip [b.c.d.e , f.g.h.i] (external ip , e.g, 190.93.244.58 , 130.93.245.8 ). I have ...
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1answer
11 views

Squid proxy bandwidth hogging prevention

I have a squid proxy acting as a parental filter on our LAN, however it's very easy for one users downloading to slow everyone else down. My question is: Is it possible to set up something that ...
0
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1answer
14 views

How to white list some ip and all the rest block while having already a DMZ?

I have a Linux machine running which has local ip: 192.168.1.2 connected to a router with public IP 8.8.8.8, now the router 8.8.8.8 has DMZ to 192.168.1.2 As a result spammers, hackers, crackers ...
0
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1answer
16 views

VPN protocol suitable for connections with poor reliability

I need to set up a VPN that allows users to connect while in the field, often via connections that involve high latency and loads of packetloss (usually via 3G, CDMA, or whatever is available). Up ...
0
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2answers
35 views

Easiest way to get wifi if signal is too weak

I want to get wi-fi internet access on a smartphone in a certain place. I have a switch there, it is connected by a 20 meters long network cable to a wi-fi router, the router is connected to the ...
0
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0answers
37 views

Windows 8.1 desktop connected to network but cannot access Internet or NAS

I have a self-built desktop that is running windows 8.1 and was working flawlessly for the past two years, however recently it has developed a problem where it is not able to access the internet or ...