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

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Reverse Proxy or other solution for IoT remote access

For my home security/automation installation business, I am trying to develop a solution for providing remote access to "internet of things" or "smart" devices. Basically, we have these smart devices ...
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3answers
4k views

Cant get squid proxy to work

i need squid proxy on my centos server. But i just can't get it to work. I did yum install squid. Here is my squid.conf file (i removed all comments): acl all src 0.0.0.0/0.0.0.0 acl manager proto ...
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1answer
36 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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7 views

subdomain Dyn DNS timeout, got ping but get browser timeout

For my Dyn DNS at dyn.com, I have one hostname "mra.dnsalias.net" that I created a while back, but did not have the wildcard checkbox specified, which would map "*.mra.dnsalias.net". The initial ...
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0answers
16 views

How My elite proxy is detected with browser but not with proxifier

I am wonder that how elite proxy works because I use several browser for elite proxies that show my real ip address. However I use a software like proxifier with the same proxy and doesn't show my ...
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0answers
13 views

Tomato: routing WAN traffic to local port

Setup My Tomato router is configured with one of the lan ports (LAN4) in the same Vlan as the WAN port. The server has its own WAN IP assigned by my ISP (11.11.11.22 in this example). All other LAN ...
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1answer
2k views

Two VPN connections on Windows 7

I have three laptops running Windows 7. I'd like to set one up as a server and have the other two connect through VPN, so they can access the server anywhere. The problem is Windows 7 only accepts one ...
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3answers
68 views

Wifi constantly disconnecting

I've been having problems with my WiFi over the last few weeks where my Internet would stop working even though it shows as connected. This is only happening on this laptop. Every other device in the ...
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1answer
3k views

Firewall open ports for vSphere

I need to open ports on a firewall, so that a client could access his VM console through vCenter server's Web Client. I had a look at this page about port description, but I am a little confused. I ...
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1answer
2k views

Network Bridge in Windows 8

In Windows 7 i bridged my ethernet connection and the Host Only Adapaters of my VirtualBox VMS to gain access to the Internet through the Network Bridge and the VMS were part of my LAN. My Setup was ...
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0answers
31 views

Network adapter resets every 5 or so minutes, for an unknown reason

I'm running an Arch Linux 64-bit VM using Oracle's VirtualBox. Everything is working fine, except my adapter keeps resetting every few minutes. I don't know what's causing this. I get a message ...
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10 views

Find riak node's listening HTTP and Protobuf port

I recently followed and scripted the Riak 5 minute install, successfully getting 4 nodes running on a Ubuntu 14.04 VM. Currently the nodes are running and are joined / clustered successfully. ...
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1answer
51 views

What happens if a switch loses too many packets consistently?

I was just wondering what happens if a switch loses too many packets. The reason I am asking is because I have a switch that is constantly overloaded. This is caused by individuals downloading heavy ...
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0answers
42 views

Port Forward Won't work

I trying a lot of way but it Fail I open an minecraft server idk what i doing wrong all time here some picture I not have 10 reputaion to post images so i make all it rar file HERE ...
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0answers
18 views

Cannot access my port from other systems in same network

My machine is running in Red Hat Linux OS. I have setup a server using apache in port 8060. I am able to access in localhost but not is other systems for the same network. I am able to ping the ...
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1answer
30 views

How can I configure my two routers so any device can connect to a server on any other?

Network setup: ADSL2+ modem/4-port router (SpeedStream 6520) Wi-Fi+3-port router (TD-W8960N, 4th/WAN port connected as device to modem/router) I have to admit that I know pretty much nothing about ...
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1answer
85 views

How to Open a website with heavy traffic [closed]

I want to open a website; cbseresults.nic.in but i am unable to open it up as it is having a heavy traffic when i try to open the website it says that webpage is not available and i just don't want to ...
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0answers
35 views

How do I reach a computer behind a router?

I need some assistance regarding computer-to-computer communication. The network set-up is like this: At the top is the Company DNS/Server. I have a computer, "PC A", connected to the server via ...
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0answers
12 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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1answer
22 views

Password cmd switch for Telnet

I'm trying to created a batch file to automatically ping routers with telnet. My connection prompts me for password and I'm not being able to set it : start "C:\Windows\System32" telnet.exe [server] ...
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3answers
36 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 ...
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2answers
40 views

ERR_CONNECTION_RESET when connecting to my RaspberryPi via External IP

I am trying to set up a web server on my raspberry pi. I can connect to it inside my current network by using my raspberry pi's ip address, but when using the port forward (my routers ip adress:port), ...
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1answer
46 views

How can I assign an external static IP to my machine?

I have recently moved ISP's and in this transition I acquired 4 static IP's. My plan was to move my 1U rack-mount server from the datacenter i use to my home as I do not need the redundancy, ...
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2answers
37 views

SSH fails to connect from Raspberry Pi to Mac laptop

I've got two machines on a local network, a Raspberry Pi running Raspbian wheezy, and a Macbook Air running OS X 10.8.5. I'm trying to set things up so I can ssh freely back and forth between the two ...
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1answer
2k views

Can't stream videos even though I have fast internet

For some reason, despite having an internet connection that should easily handle it, I seem to be unable to stream HD videos from beginning to end. Specifically, I usually attempt to stream videos ...
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1answer
29 views

I cannot connect to more than one internet connection in my windows 8.1 [duplicate]

I have windows 8.1 installed on my PC. I have 3 wired broadband connections, but I cannot connect to two or more connections at a time. For example I want to use all three connections jointly to ...
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32 views

1 Network with 2 Gateways

I have a network which is connected to the internet. The range and subnet is 192.168.1.0/24. I also have an AP that is a Point-to-Point network which has the range and subnet of 172.18.53.12/30 I ...
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1answer
18 views

Why can't I connect to my local SQL Server Express (2014)?

After I installed Microsoft SQL Server Express (2014) on my local computer (for testing while building a web interface which uses databases), I could connect just fine, but for some random reason, now ...
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2answers
3k views

Virtualbox: NAT networking suddenly stopped working for all Windows guests, Linux guests still OK

My host is an out-of-the-box Ubuntu 12.10 simply connected to Wifi. I installed VirtualBox, and then a few Linux and Windows 7 Pro guests on it, all with default VirtualBox options (NAT). I reboot ...
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9 views

Enable WAN Miniports

I need to enable (re-enable) one or more of my WAN miniports. After hours of research I can only find solutions to either a) hide or delete miniports or b) fix broken miniport drivers. I may indeed ...
2
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1answer
725 views

PXE Boot not working

Please explain the error in this screenshot: DHCP Setting: This screenshot was taken after powering off the old comp hence the server interface is shown as the wireless card - it becomes ...
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2answers
5k views

How to reset TCP/IP on Windows 8.1?

The following netsh command is not working on Windows 8.1. netsh int ipv4 reset It give “Access Denied” error and it is a VERY known issue, many people complaining about it all ove online forums. ...
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17 views

Debian upgrade from wheezy to jessie: Networking fails after short period

I've just upgraded my Debian system from wheezy to jessie. Almost everything works, but I lose the use of the network after a few minutes (no more than 5). I can get it back by doing a "service ...
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1answer
32 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
13 views

Dual network interface default gate

I'm running Ubuntu 14.04 with dual NIC's. I'm seeing a problem where by one of the NIC's doesn't seem to want to use it's default gateway to route traffic. One NIC is operating with a Public IP ...
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0answers
138 views

Using wireless lans with vlans on dd-wrt

i'm using a Buffalo WHR-HP-G300N with DD-WRT v24-sp2 (12/22/14) std - build 25697 and want to setup three different WLans which are mapped to different VLans. The box itself only acts as acesspoint ...
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0answers
80 views

No outgoing traffic through passthrough network adapter (NIC ) on KVM guest

I have KVM host operated under CentOS 7 and guest with Windows 7 on it. Host NIC is passed to the guest as PCI device passthrough (not bridge, not NAT). Guest detects the NIC (drivers, cable plug, ...
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1answer
3k views

ubuntu server in a vm, can't connect to internet

I'm attemtping to host my own development web server in a virtual box guest, Ubuntu Server. I would like this virtual machine to be accessible from not only my home network, but outside the LAN as ...
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1answer
41 views

assign multiple ips to a network interface card so as to route some programs through a vpn in ubuntu

I have a home server with several programs with web interfaces running on it. I want to access all these web interfaces from outside my local network. I also have a program I want to go through a ...
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1answer
24 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 ...
2
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1answer
528 views

Test PXE using VirtualBox

I have a Linux laptop running a PXE server. I run the PXE server on the wired port so I can connect computers to it directly. When the Ethernet port is connected I can use PXE to boot a VirtualBox ...
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0answers
11 views

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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0answers
10 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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4answers
4k views

How to skip pushing the default gateway via DHCP in OpenWRT?

I have a router with OpenWRT that I want to resolve IP addressing with DHCP without setting a default gateway. I have added a DHCP-Option parameter with value 3,0.0.0.0 that is supposed to set the ...
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1answer
265 views

DNSCrypt not working - server certificate possibly expired

I have been using DNSCrypt for a few days (used this guide to install dominustemporis.com/2014/05/dnscrypt-on-windows-update/) and it has been working fine for a few days. Today I switched on my ...
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0answers
29 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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2answers
4k views

How to find out total NIC cards and total available physical ports in linux

I need to find out how many total physical ports my server has, and how many of them are in use and how many free. Can you kindly help how to find it: This is what i find from dmidecode output: ...
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1answer
31 views

Does wpa_gui need wpa_supplicant to initialize first to work properly?

I am using Linux on a custom board based on the Freescale MCIMX6Q-SDB (armv71). I installed wpa_gui, a GUI for wpa_supplicant, on the custom board. I'd like to know if I have to initialize ...
0
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1answer
34 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 ...
3
votes
1answer
52 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 ...