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

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Protecting my PC in unknown WLAN/LAN networks

I once read in another thread on superuser that PCs in a network could try to acess services running on other PCs in the same network Is it considered to be safe enough to enable ufw and deny all ...
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11 views

Can't enable Microsoft Network Adaptor Multiplexor Protocol after Windows 10 Upgrade

After I upgraded my laptop from Windows 8.1 to Windows 10, my network connectivity was gone because all protocols were unchecked in the adapter settings. When I went to go turn them all back on, I ...
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30 views

Windows 10 upgrade: networking totally fried

After running the Windows 10 Pro upgrade from Windows 8.1 Pro, things appeared ok for a while. Then I ran into some trouble with VPNs -- while connected to the cisco AnyConnect vpn I could not see the ...
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25 views

No network connection Windows 10

:) I recently updated my PC to Windows 10 from Windows 8. My computer is not finding my ethernet network adapter anymore and I therefore lost internet connection. My motherboard is the MSI B85-G43 ...
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13 views

Everytime I restart router, i have to plug in ethernet cable again in wan port. Why?

I have an ADSL+2 modem to which I have connected to a TP-LINK WR740N wifi router with a 100 feet Cat6 Ethernet cable. Every time I turn on the router , i have to plug in the Ethernet cable again in ...
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6 views

Need help setting upo Fedora (or CentOS) networking where VMs are bridged to external network cards

I have a RedHat style linux machine (currently running Fedora 21) which is host for a variety of virtual machines with variety of guest operating systems. It is essential for my purpose that the ...
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12 views

Windows 10 RTM - Vpn - Connection - Connect Button

I installed Win 10 Rtm Pro and added a windows vpn connection, when I press the network icon in lower right edge, I see all my connections, including my VPN connection, but when I click on it, the ...
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6 views

Netgear R7000 router lags when connecting to VPN

I just bought a new Netgear Nighthawk R7000 router to use on my 100Mbps cable broadband connection. Download speeds and upload speeds look fine except when I VPN into my work's intranet. On my old ...
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9 views

Is there any non-network-based software KVM?

I've been using Synergy, but it's useless for a computer connected to a different VPN, that doesn't allow split tunneling or LAN access. I don't want to route all KVM traffic through the VPN. And I ...
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14 views

Does Fast Retransmit and Retransmission Timer work at the same time?

When Fast Retransmit is implemented, if I received packet 1, then I will send an ACK that says I need packet 2, and then if I received packet 3, I will send a duplicate ACK that says that I need ...
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1answer
9 views

Networking via Switches and Powerline ethernet

I'm interested in trying out this Xbox to Windows 10 streaming thing. Right now my setup is that my Xbox is on its own powerline ethernet switch, as is my PC, and the router is on a 3rd one. The ...
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1answer
13 views

How to get ESX host information using powershell

I am an asp.net/c# software developer and do not have a lot of knowledge in networking and server management. Now I want to build a simple asp.net web application which allow users to scan ESX hosts ...
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2answers
38 views

What is the Default Browser of Client's computer in windows?

Is there a way to find what is the default browser on a client's windows machine? Is there a registry key or some other property that can help to find what is their default browser?
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7 views

ESXi Network adapters into bridge mode from vSphere

I have an ESXi machine with a virtual network. I want to have physical computers be able to connect and talk to those virtual machines attached to the virtual network. I am using vSphere 6.0 and ...
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2answers
41 views

Why is my computer listed twice in my network on two different ip's one ending in .255?

My computer is listed twice on the network (same MAC address and description) with one IP ending in .255, which leads me to believe I may being spoofed. Is this route table unusual? I'm not ...
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13 views

How to configure a cache proxy to cache everything regardless of cache headers?

I am wondering if there was a cache proxy available that would cache every single request after initial visit to a HTML web page visit avoiding subsequent call's to the home server. The system will ...
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1answer
173 views

Ubuntu only resolves DNS when the router's IP address is present in the DNS servers list

When I use DNS servers other than my router's IP address, Ubuntu or any other application (web browser) fails to resolve host names. I have added Google's DNS servers (8.8.8.8 and 8.8.4.4) using ...
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2answers
32 views

Weird Ping response

When I ping 1.1.1.1 I receive this output: C:\Users\user>ping 1.1.1.1 Pinging 1.1.1.1 with 32 bytes of data: Reply from 10.201.1.114: TTL expired in transit. Reply from 10.201.1.114: TTL expired ...
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2 vpn Combined..Questions

Hello so i have some theoritical questions about combining 2 vpns using a virtual machine.I whould test it my self but don't have the budget right now so my questions are: 1)If i use one vpn provider ...
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2answers
25 views

How local host is shared to Internet?

Recently I have found websites which generate a public URL for a given local host. I'm immensely interested in understanding how a local host can be shared to Internet. After searching a lot I got ...
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1answer
13 views

Can't access my old Homegroup, neither create a new

Upgraded to Win 10. Now All PCs are not connected to any Homegroup, but the Homegroup still exists. I can't access because I dunno the password, neither create a new Homegroup. Any ideas how to fix ...
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2answers
36 views

Why I can't redirect using `hosts` file in windows?

I want to go to www.Google.com when I enter 1.1.1.1 in my browser. So I think I must change hosts file under windows\system32\drivers\etc path in Windows to map this IP address to Google homepage. I ...
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1answer
160 views

Weird response when I ping x.x.x.255

This is my computer network configuration: C:\Users\user>ipconfig Windows IP Configuration Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Link-local IPv6 ...
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16 views

Allow trusted IP and Block others in Windows Server 2008 R2

For protection , I need to allow some trusted IP and block others. The solution I have tried: Create 2 inbound rules : Allow some IP and RDP IP Block All this resulted on blocking every ...
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1answer
15 views

Why is my MAC address invalid?

My macbook has this MAC address : 68:A8:6D:09:2A:D4 This page tells me that its invalid. This page correctly identifies the brand of the mac address. I have a MAC filter for my router and I ...
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1answer
15 views

OpenVPN server config pushing DNS & gateways throws “Unrecognized option or missing parameter(s)”

I'm attempting to push config parameters. My OpenVPN server config specifies: push "redirect-gateway" push "persist-tun" push "remote-gateway 52.58.43.124" push "remote-gateway 10.0.31.207" push ...
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1answer
15 views

share internet from one location to another location

i have search so much for this but i cannot get the idea the exact process of doing it. say i have internet connection from a certain place then i want to use that connection to another place which ...
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8 views

How do I set up an ssh tunnel to get server data from a whitelisted IP to feed into a local build?

It's possible this has been answered and my n00biness is preventing me from understanding the answers... I'm working remote. I have a local build that I run on 127.0.0.1:8080. This build needs to get ...
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1answer
16 views

Mac unable to browse to any websites hosted at a single IP

I am unable to browse to any websites that are hosted on a single IP address - a reseller web hosting account that I manage, with a number of websites on it. This occurs in all browsers. Other ...
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2answers
21 views

Best multiple AP office wifi setup [on hold]

What's the best wifi configuration for a 3k sq ft office with 30 people? Ideally we'll using multiple broadband connections and everyone can roam the office without switching networks. Is it possible ...
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1answer
20 views

Determine bottleneck for the Wifi speed and match the Ethernet speed

The speed on my Wifi is substantially less than the speed on the Ethernet. Through mtr, I don't see any substantial packet loss between the laptop to the router. I want to be able to diagnose the ...
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14 views

Knowledge Catch up [on hold]

I recently got hired on at an IT consulting firm and I need to get my knowledge of networking and workstation troubleshooting issues caught up to speed as quick as possible. I have lots of experience ...
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9 views

How to set QoS on Tenda router to reduce ping

I have an Tenda router and I would like to set QoS so that i would would have low ping no matter what other people living with me do. There are 7 people living in out house, and our connection speed ...
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1answer
12 views

Anyway to make OpenVPN's DNS entry the last priority?

I'm connecting from school to home. I have OpenVPN set so that only home network connections go through the VPN; it is NOT set to send all traffic through the VPN. And I would prefer to keep it that ...
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16 views

Windows 8.1 applications not responding within one network

I have a user who is on Windows 8.1 Pro. When this user comes into the office, all applications (including explorer) begin to stop responding minutes after reboot. When the user is remote from the ...
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1answer
22 views

How to disable LAN access for the wifi users

I have a wifi router which is connected on the network. The users using the wifi internet can access my LAN network. How to block the wifi users to access my lan network and system. How to configure ...
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6 views

Bridged mode - Can the VM and host server be in different subnet?

I want to use Bridged mode in VMPlayer. Can the third subnet of the VM be different from the Host server? For e.g : Host server's IP : 172.17.X1.X2 Virtual Machine IP : 172.17.Y.X3 Please ...
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8 views

SSH tunneling to non-Apple machine using Back To My Mac

I have little home network with two Macs, Debian-based server and latest AirPort Extreme base station. Unfortunately my IPS uses PAT (double-NAT) and I have no public IP address. On my work machine I ...
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1answer
12 views

netstat with --inet option does not display listening tcp por

Can someone please explain why the output of the command are different? user@geeko:~> netstat -ln | grep 9876 tcp 0 0 127.0.0.1:9876 :::* LISTEN and ...
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9 views

Can I reference multiple interfaces in OS X pf with wildcards?

I use /etc/pf.conf and pfctl from within a program to programmatically block and unblock network interfaces. When I for example want to unblock all tunnel interfaces I want to unblock all interfaces ...
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3answers
34 views

how to insert a text file in hosts.allow or hosts.deny?

So I read in man page of hosts.deny that i can input files in /etc/hosts.allow or hosts.deny to input ip addresses which i want to block or deny. So i tried doing this in hosts.allow sshd: ALL ...
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1answer
22 views

IP masquerading, rule to forward packets between the Interfaces (on a multihomed network device)

Preamble This question can be considered as a followup to link Setup System: Embedded linux system running netfilter and iptables enabled kernel. Number of interfaces: 2 eth0: Connected to a NAT ...
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1answer
24 views

Internet drops - two routers handing out IP addresses?

My apartment block of 14 apartments share one fiber-optic internect connection. However, I've been having trouble setting up my wifi. I have two routers. 1) A D-link. This works out of the box, but ...
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2answers
41 views

I want to creating Network without internet [on hold]

I want to Create a network between 3 of our house, which are not close. i want to achieve that without internet connection. so that i will be able to transfer files without internet. recommend any ...
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1answer
12 views

DDoSing ports, do numbers matter?

I know people typically DDoS port 80, but let's say I DDoS any port besides 80, would surpassing the given port speed of any specified port still cripple someones network? Say I want to DDoS port 45, ...
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13 views

TP-Link Archer C7 AC1750 V2.0 Wont connect to the internet. Installation also failing

My Archer C7 will not connect to the internet after i run this setup, the installation for the router always fails at the end when it is verifying the router settings. If anyone can help me out with ...
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2answers
31 views

Windows 8 not detecting Wi-Fi

My PC is not detecting the signal of the wireless router in the room. My roommates can use it with no issues. My PC is showing other Wi-Fi signals, but not the Wi-Fi of my own room. I have tried ...
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16 views

Windows 8.1 cannot connect to one specific device on LAN

I just changed out an old Linksys WRT54GS wireless router for a TP-Link TL-WR841N wireless router. I immediately flashed the router to use DD-WRT. Everything went seamlessly except that my Windows ...
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15 views

OpenVPN iptables and security

I want to run OpenVPN at home. I have a virtual instance of Debian 8 on my ESXi 6.0 host with its primary IP as 10.0.0.99. I assigned multiple virtual NICs (server, vpn, management, backup) with the ...
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1answer
17 views

Remote Desktop Connection not working on VPN — another session in progress?

I have looked at many solutions online for the issue that I am having but they just don't seem to be applicable. I have a VPN connection and I am trying to remote desktop into a computer over the ...