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

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All incoming connections are blocked on OS X

Something is blocking on incoming connections on my Mac and I can't figure out what it is. Firewall is turned off, anti virus is turned off. As a simple test, I'm executing: shai@Macbook Downloads $ ...
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43 views

What keeps installing wireless device drivers on my machine?

My computer has become laggy. So I looked at task manager and something is using 100% CPU on one of the cores. It was the system interrupts. So I downloaded DPC latency checker and started disabling ...
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1answer
1k views

Internet Connection frequently dropping on Ethernet

My internet connection is frequently dropping on Wired Lan (Ethernet) but the wireless works fine without any problem. It's not an issue of Internet Speed as Internet works fine in Windows. ifconfig ...
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2answers
1k views

Can't connect to local server from other devices (connected via wifi) when the server is connected via wifi

There is home network: 192.168.1.0/24, default gateway 192.168.1.1 (DHCP) There is a web server which is running on a host, lets call the host "server". There are several devices which are connected ...
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1answer
140 views

WRT54GS with Tomato 1.28 and StrongVPN - I want to exclude Torrent and Voip from VPN

As the title says, I have a strongvpn on a wrt54gs with tomato and I want to pass most traffic to vpn except for torrent and voip. How can I do that please? Although there are some similar ...
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3answers
90 views

How to see list of current connected pc to network?

I want to list the computers that are connected to network in which I am connected. Anyone know that how to do so ? I need this help soon, because I have made my connection open/ password free to ...
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2answers
789 views

can't connect to FTP server — disconnects after FEAT command

I'm trying to connect to an FTP server of which I do not control. WinSCP & FileZilla both do not connect. Here is a scrubbed down log: Status: Connecting to xxx.xxx.xxx.xxx:21... Status: ...
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1answer
437 views

IPTables and Port redirection Apache2

I'm using Apache to redirect a subdomain to a port (mod_proxy, mod_proxy_http, mod_proxy_ajp) and IP Tables to restrict direct port access except to me and the local server. My IP Tables looks like ...
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1answer
2k views

How To Password Protect Internet Access from the LAN

I am looking for a solution that would require any computer user on a LAN to enter a password in order to access the Internet. We do not want to restrict it at each individual computer because people ...
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1answer
680 views

How do I flash DIR-615 from the recovery console?

I have installed dd-wrt on my DIR-615, but I now want to flash the stock firmware on it. However, while I can get into the recovery console (hold reset button and power on until power light flashes), ...
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1answer
374 views

Dynamic DNS for RPi -> Airport Extreme (DHCP) -> Cable Modem (DHCP) -> Interwebs

I have a Raspberry Pi which connects to my Airport Extreme via DHCP. The Airport is connected to my Cable Modem which gets its IP address via DHCP from Comcast. I would like to be able to address the ...
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1answer
311 views

Monitor total network traffic outside the network [duplicate]

I'd like to monitor my network traffic outside the local network on my main computer (a gentoo linux desktop workstation), which goes through a 3g wifi router (a Huawei e5220); this is a wifi only ...
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1answer
186 views

Linksys RV042 and QuickVPN fails

I've got a RV042 in the office. It's already got some site to site VPNs setup through other gateways and I'm trying to a simple remote user's VPN access. I tried using QuickVPN, adding a user to VPN ...
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1answer
121 views

Is 'localhost' considered fully qualified?

In the absence of a domain name, is the name localhost considered fully qualified? Or is localhost always considered unqualified? $ hostname --fqdn debian-q500 $ ping debian-q500 PING debian-q500 ...
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2answers
141 views

Building an invisible network behind a router

I'm currently living in a location where I can have at most one MAC-Adress on the network. Nothing more is allowed by the rental agreement. But for my study, I need more than one device on the ...
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1answer
30 views

limited access to pcs that are connected at a computer's network

I have two computers, both windows 8. And I also have only one socket for wired Internet. So I connected the one with the socket, and I created a wireless network, so for the other to be able to use ...
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2answers
962 views

SSH to a computer behind a firewall and router

I'm trying to connect to my Raspberry Pi, which is behind a router and a firewall. My PC (running linux) is also behind a router and firewall. Both firewalls only allow the ports you would need for ...
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0answers
2k views

CHECK_NRPE: Socket timeout after 10 seconds, when trying to read Windows Server 2008

When invoking the check_nrpe via terminal, like so: /usr/lib/nagios/plugins/check_nrpe -H winserver -c alias_cpu I get the error below: CHECK_NRPE: Socket timeout after 10 seconds. (Also ...
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1answer
2k views

I cannot connect to the internet via ethernet

I have been previously running Windows 8 on my Toshiba and of recent I decided to make a multiboot with Linux Mint Olivia 15. When I start the machine on Windows, I can access internet with an ...
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0answers
585 views

A quest for internet access ( Unidentified network and Error 651 )

I'm stuck with one of the most harsh problems i had to deal with, regarding fixing my computer.Im trying to solve it for days ( have searched a lot on the web ) and no results so far. The problem is ...
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0answers
28 views

Make Smartglass connection last longer with Xbox

I quite often use Smartglass from both my phone and tablet to control my Xbox, typically as a remote control for things like Netflix. It works well, the one downside is the constant reconnecting ...
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0answers
524 views

openvpn no access - No route to host

I am using a router (openwrt) as server. route -n (before VPN): Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.254 0.0.0.0 UG 0 ...
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1answer
98 views

RDP slow on specific combination between laptop and network

I have noticed the following, and just don't understand what could be causing this problem: We always work on laptops via wifi and RDP On a specific customer's wifi network, one specific laptop is ...
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1answer
501 views

Ubuntu+NetworkManager+openvpn - completely replace /etc/resolv.conf with openvpn pushed DNS servers?

I am running Ubuntu 12.04 LTS but have configured NetworkManager to NOT use its built in dnsmasq for DNS resolution (by commenting out dns=dnsmasq in /etc/NetworkManager/NetworkManager.conf) as ...
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1answer
166 views

Ping packet loss 100

I'm using a laptop in a dormitory and I was trying to go to a website, but it only shows texts and white background. When I check another website about the same thing happens, no pics just texts and ...
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0answers
133 views

Virtualbox - Route a VM through a secure proxy

I have Virtualbox 4.3.6 running on Windows 7 Pro. I have various Linux VMs, I'd like to know if there is any way I can configure virtualbox not to use the default internet access the laptop has (work ...
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0answers
478 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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115 views

client still cannot get internet access from gateway pc

I have already set up a laptop as a gateway in ubuntu 12.04. with 2 interface cards. internet >> eth0 >> gateway pc >> eth1 >> Access Point for eth0 IP dhcp for eth1 Static Ip 192.168.5.1 Access ...
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1answer
3k views

“RPC is unavailable ” while renewing IP address or connecting to broadband over ethernet

I already looked for solutions on internet and on this forum but it did not help so posting a new question. I have windows 7 Professional and i connect to broadband via ethernet (always on). When i ...
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1answer
287 views

Internet Connection VMWare Player 6

I am trying to connect to the internet using a Windows 8.1 Host and a Ubuntu 12 LTS Guest in VMWare Player 6. The internet in the VM is fine if I am hardlined in (its a laptop), but when I go to ...
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1answer
796 views

Router Setup requires my IP Address, DNS Server, and Gateway?

So I am used to setting up a new router being nearly a plug and play affair. This time however my new Rosewill L600N router refuses to give me access to the internet. I ran their auto-setup wizard to ...
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20 views

Windows 7 - deactivated network connection not showing up again

I use my android phone for tethering. Today i deactivated the network connection that is used by the tethering. I want to activate it again, but it is not showing up in the network connections or in ...
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2answers
492 views

Routing tables and ip forwarding between two machines

Hi my current network is like that [Raspberry]--eth0--------p3p1-[Laptop]-wlp3s0------[Router]-------INTERNET eth0 = 10.10.10.2 p3p1 = 10.10.10.2 wlp3s0 = 192.168.2.11 Router = 192.168.2.1 I would ...
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6answers
4k views

How does a router find the MAC address of next hop router?

I know that in an Ethernet LAN, the ARP protocol is used to get a MAC address from an IP address. How does my router get the MAC address of another router on an external network if ARP is not ...
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0answers
31 views

2 NIC, 2 DNS & Access Point

Im running a computer with Windows Server 2012 R2 Datacenter at home. NIC number one is used for hosting a website. I plugged in another NIC and connected it to the network aswell. Then I plugged in ...
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31 views

Accessing a device over ICS from the host

(Originally on NetworkEngineering, but I was redirected here.) I have a laptop connected to a Wi-Fi network, which shares its Wi-Fi network over an Ethernet cable to another router. That router then ...
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3answers
315 views

Connect two users to internet with one wired socket

I am a university student, and I live at a student hall. My student hall, does not have WiFi, (and does not allow someone to install a router), and I only have a socket to connect to the internet by a ...
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2answers
244 views

New Desktop Computer, Internet SLOW but We pay for 65mbps

I'm so confused, my internet on my new lenovo k450 is incredibly slow, speed test is reading 1.15mbps (on average). We pay for 65mbps (I believe) with comcast - this is what the connection speed ...
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2answers
3k views

How to access a vmware guest web server from another device on the network

I am developing a mobile website. I develop in Ubuntu via a virtual machine (vmware). I have a Windows 8 host and Ubuntu 13.10 guest. I want to be able to view the site-in-progress on my phone for ...
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0answers
579 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
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1answer
743 views

Why does my (home) router append a DNS suffix?

I wonder if any other people have come across this. I've rented rooms in two houses this year, and they both have Sky (a UK ISP) Broadband routers. For some reason, the router I currently use hands ...
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52 views

2 PC's One Switch

I have a router with a switch (a) and a pc (1) then a run of ethernet from switch (a) to another switch (b) with 2 pc's (2 & 3) I can ping from PC 2 to PC 1 But can't ping from PC 3 to PC 1. ...
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3answers
516 views

host only network doesn't provide internet connection for vm

I have opened a vm with hostonly network as networking option on my desktop. I have assigned an appropriate static ip to the vm. I can establish an ssh connection to it from my desktop and I can also ...
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1answer
289 views

VMware Workstation isolating guest to a separate internet

I have N1 and N2 network. The host has two ethernet adapters E1 and E2. The host is connected to N1 through E1, but I want to connect a guest to N2, and I do not want N2 to affect the host by any ...
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0answers
55 views

Analyze network usage amount with Linux

Sometimes when working in the office our internet connection becomes unusable. I'm not sure weather it's the actual internet connection or if our internal network is overflowed with data. Most of the ...
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1answer
137 views

How do we route Youtube through another server?

I know it can be done through a VPN but I'm trying to make it more dynamic. I have tried using a 'tcpforward' script which did what it stated and forwarded packets to/from the youtube server. But that ...
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0answers
229 views

Why do I get an error when resolving hostname under Linux?

In Ubuntu 12.04(Virtual Box) I am trying to resolve a hostname by using nslookup myhost 172.16.0.100 and I get the reply Server: 172.16.0.100 Address: 172.16.0.100#53 ** server can't find ...
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2answers
235 views

Can I do policy routing on a virtual interface?

I know it is possible to give multiple IP addresses to the same interface, say eth0. It is also possible to build several virtual interfaces on the same physical NIC, say eth0:1, eth0:2,.... Suppose ...
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276 views

dnsmasq returns 127.0.0.1 for lookup itself

This is a follow up to the question, Ping to dnsmasq's host resolvesto 127.0.0.1, because that answer doesn't work for me. It should work -- I found another one having the same answer: ...
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1answer
283 views

OpenVPN server issues

I am unable to connect to my OpenVPN server running on latest ArchLinux version, the port seems open if I scan from the outside, so im pretty sure its correctly forwarded, however the client displays ...