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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Connecting a 2-pair Ethernet Cable to my Home Network

I have a IP video doorbell that connects using a 2-pair telephone line. I have managed to connect it to my DSL router (Linksys WAG320N) successfully and connection is working fine with live streaming ...
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0answers
29 views

Severe internet problems

i have been having a lot of problems with my internet, the internet is by cable, and i using a motorola modem with a NETGEAR wireless router, the speed that i have is 10mbps. First, my internet ...
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2answers
25 views

VirtualBox - Internal Network - ssh connection refused

I try to get an ssh-connection between two virtual machines. Therefore I have installed two vm's with Ubuntu-Gnome-16.04 guests on a Ubuntu-Gnome-14.04 host using Oracle VirtualBox 4.3.36. I setup ...
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0answers
38 views

How to log websites accessed by device in my network

I'm trying to log all the websites accessed by the devices connected to my router Dlink has this feature by default but it is limited to 40 pages with 10 items per page so it can store only 400 ...
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1answer
3k views

Guest VMs unable to ping each other within a custom host-only network in vmware workstation

I have created a custom host only network VMNet2(without dhcp) in VMware workstation and connected my three VMs with this network. But the problem is I cannot ping any VM from any other VM, However I ...
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1answer
8k views

How to redirect one IP to another IP using netsh (or similar windows software)?

I have gone and: forgot the password to my remote windows server (with weeks worth of work backed up on it) changed the IP address of the remote windows server Now the only way possible that I can ...
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0answers
17 views

Cisco AnyConnect says its connected but no network access?

I got Cisco AnyConnect for work, and it worked fine until i reinstalled windows 8.1, and then it stopped. Then i upgraded to windows 10 and it still doesnt work. It says its connected, but i cant ...
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1answer
24 views

Strange socket behaviour (one computer - my laptop - will accept a connection to my server, another - my PC - won't)

I wrote 2 programs in Python 2.7. One creates a host socket while the other one creates a client socket. Then they try to connect. I had my host program on my PC and put my client program on my phone ...
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1answer
10 views

Linux gateway using double data on AT&T, is my iptables wrong?

I have cellular internet connection with AT&T. Everyone connects to the wifi access point that I have my Raspberry Pi connected to as DNS/DCHP/Gateway server. On my Pi I use dnsmasq to give each ...
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1answer
6k views

How to debug Remote Desktop Connection when intranet connection works, but not external

How can I setup Remote Desktop Connection (RDP) when I've exhausted all my known searchable resources? I am attempting to set up Remote Desktop Connection on my Windows 7 Ultimate version and have ...
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0answers
11 views

How to add a static route to AirPort Time Capsule?

I am building a virtual lab with VirtualBox to simulate a network with multiple servers, using a single physical host with 32GB of RAM. The host PC is connected to an AirPort Time Capsule for ...
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0answers
48 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 ...
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0answers
12 views

Why does Hyper-V virtual network not pass through bittorrent traffic on the host machine?

I installed Hyper-V on my dev machine and I created an Android phone emulator and also a virtual machine. During creation of the Android phone emulator, Hyper-V created virtual switch automatically. ...
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0answers
80 views
+50

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 ...
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0answers
5 views

What's the difference between iptables “state” and “ctstate”?

I saw this iptables snippet in a different Super User answer: iptables -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT ...
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1answer
83 views

netctl “no connection found”

I've just installed Arch Linux. I'm trying to connect to my local network but its not working. Here is my data: lspci -v ... 3:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. ...
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6answers
33k views

Why is localhost IP 127.0.0.1?

I wondered what is the origin of the decision to make localhost's IP address 127.0.0.1. What is the "meaning" of 127? what is the "meaning" of 0.0.1?
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2answers
15k views

What is the difference between ARP binding and DHCP address reservation?

In my TL-WR1043ND I have these functionalities and both of them pair an IP address to a MAC address. What is the difference? I red that the ARP one is there for security reasons, others say it is for ...
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2answers
34 views

Bluetooth vs Wifi. Which one has more bandwidth? [duplicate]

I've been reading articles like this http://wrensound.com/should-my-wireless-audio-system-use-bluetooth-or-wifi/ I uses bluetooth to access my omni 10 harman kardon speaker. I am very disappointed ...
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0answers
27 views

Router IP giving me ERR_TOO_MANY_REDIRECTS

About a week ago I re-configured my router, and I just remembered that I didn't change the DNS. Now I tried to open its setup page at 192.168.0.1, and I just keep getting this ERR_TOO_MANY_REDIRECTS ...
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0answers
6 views

How to detect packet with specific “Total Length” or “Header Length” using Snort?

I'm using Snort to tutorial purposes. As you may know, it brings different rules available for the user to detect different types of transmission packets. The question is that I don't find any ...
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3answers
38 views

USB Ethernet to my machine rather than RJ45 NIC Cards

I have a 7 node cluster setup in my organization and they all have dual port Ethernet NICs on them, running Ubuntu 14.04.4. Each machine is connected to two networks at the same time. Requirement: I ...
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0answers
18 views

Cannot connect via RDP from one remote computer but can from another remote

I want to connect to my desktop computer from my notebook when I'm at church, but I cannot. Then, from the church, I connect to other remote computer at work, and from it, remotely, I successfully ...
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1answer
752 views

My website is slow only when connecting from certain IP addresses

I am running an apache server on debian stable from my house. My ISP is AT&T, and my servere is ethernet connected to the gigabit router / fiber modem (Motorala NVG589) that AT&T installed ...
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1answer
27 views

Windows Command Line - List Network Adapter Components

I'm looking for a way to, in a batch file, get a list of the components (such as NDIS drivers) in use by each network adapter on the system. Here's a screenshot of the info I want in the network ...
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1answer
63 views

Dell Inspiron 530 poor network speeds with file copy

For some reason file copies are taking too long to/from my Dell Inspiron 530. It is possible that the performance deteriorated after upgrading to Windows 7.
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1answer
1k views

Dell M4500 does not connect to internet

I have a Dell M4500 that does not connect to the internet. I have called Dell and they have replaced the motherboard but it does not work. They told me that it is a software problem. It suddenly ...
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1answer
29 views

Is there anything special about ip adressses 0.0.0.0 and 1.1.1.1

Someone asked me that IP Adress 0.0.0.0 is assigned to whom and used for what purpose.I didn't know the answer.It will be very helpful if someone helps me with this.Also about IP Adress 1.1.1.1.
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1answer
5k views

Difference between WAN IP & LAN IP

We have taken an Internet leased line connection. The ISP has given the below info. Static WAN IP : XXX.227.XX.32/30 (Gateway XX.227.XX.34) Static LAN IP : XX.124.XX.192/29 Can someone explain the ...
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2answers
3k views

Two (Netgear) access points - how to properly configure?

We have a NETGEAR WNDAP350 wireless access point in our network. It works well, but even with external antennas it does not cover the whole area we need. We have a room where the signal from the ...
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2answers
4k views

Remote Desktop via Ad-Hoc on Windows 7

Is there a way to connect two PCs running Windows 7 via a wifi ad-hoc network and then use Remote Desktop from one of the PCs to the other? In addition to this the Remote Desktop host PC should still ...
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1answer
21 views

Use SSH to connect from dev pc through server to third party web service

I have a client who has set up a web service on an IP A. He has granted access to it for my server's public IP lets say B. Is there a way to reach the web service running on IP A through my dev PC ...
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0answers
25 views

How To: Desktop as Server, Laptop as “Thin Client”?

I have a really fast gaming PC, I don’t use it for gaming, instead I use it for just really fast everyday tasks. I have a oldish laptop which is very slow. The idea is that I want to be able to use ...
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1answer
3k views

Can't get HTTP connection to Amazon Web Services EC2 Windows Server 2012 Instance

I have an Amazon Web Services EC2 instance with a Windows Server 2012 AMI on it. I have installed XAMPP on it, and have started the apache server from the XAMPP Control Panel. It starts successfully. ...
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3answers
4k views

Sharing RAM resources between 2 or more computers

I know there was a somewhat similar question before: How to share CPU or RAM? But, let me just specify it a little more... When Microsoft Windows requires more RAM capacity than available it uses a ...
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1answer
4k views

Windows 7 Set metric to use 2 different network interfaces at the same time

I'm looking for a way to use at the same time wired and wireless interfaces. My situation: 1 Gbit ethernet interface (10.100.x.x) 1 WiFi 802.11 b/g/n interface (192.168.x.x) The PC is part of a ...
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2answers
3k views

Multiple IPs on Multiple NICs same subnet

So, I've got two NICs: eth0 eth1 and I have multiple IP addresses assigned to each: auto lo iface lo inet loopback allow-hotplug eth0 iface eth0 inet static address 10.0.0.194 netmask ...
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0answers
6 views

How does Nginx understand forwarding request?

For example, on the router was configured Forwarding for all incoming requests to a dedicated IP Nginx server. The client requests a resource: www.google.com How does Nginx understand what resource ...
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5answers
9k views

VirtualBox: Set Network Adaptor for exclusive use of Guest VM

In a previous question I asked how to configure m0n0wall in a VM. Now I would like to set a network addaptor in my machine to be used for the guest VM only, that is, not allow any traffic from the ...
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2answers
10k views

Delayed startup of network (Wi-Fi) icon

When my Windows 7 Starter netbook boots up and after everything is loaded, it takes about 5 minutes before the network icon near the clock becomes functional. When there’s an available Wi-Fi signal – ...
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0answers
13 views

Managing multiple access point at once [on hold]

I am planning to deploy some multiple wifi range extenders to the the very end for user in multi storied building. And this extender will be connected to 5 Engenius outdoor access point. As I will be ...
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1answer
35 views

New modem/router doesn't allow VoIP going through

Before I bought my new Netgear D7800, I had a Fritzbox 7490 provided by my swiss ISP Sunrise (see image case A). It does all tasks : modem, router, connects landline phone to be used as IP phone. ...
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1answer
19 views

What drive does a user profile gets stored in windows machine

On my Laptop I have two drives : C, D and Network drives. At any time i can log in to any desktop on the network and my data is on any of this computers. I would presume the user profile is stored on ...
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0answers
34 views

Different ip when checking on whatsmyip.com and ipchicken.com

In whatsmyip.com it shows my current public IP, while in ipchicken.com it shows a random ip from france. Am I infected with malware or did something happen? I have checked with wireshark to see if any ...
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1answer
28 views

Using a proxy server from inside an enterprise network environment?

A friend of mine works at a large company that has an enterprise network set-up. Sorry, I don't know the specifics of it, other than they block things like Google Ads. My friend works in a job doing ...
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1answer
3k views

Hostapd requires manual restart for devices to connect

I am currently setting up a WiFi hotspot for the padres using their NAS with WiFi card. Setup: Ubuntu 13.10 Hostapd is bridged with eth0 (br0), and works great if manually restarted sudo service ...
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0answers
19 views

Weird network dropouts occur repeatedly on Windows 8.1 (Intel NUC)

I am using an Intel NUC mini PC here. It is running Windows 8.1 x64 and is used as a media center and communication PC. I want to also use it to access my media accross the internet using JRiver MC ...
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0answers
6 views

Ubuntu Server slow NAS connection “Server <Nas> Has not responded in 120 seconds. Reconnecting…”

My newly built Ubuntu server was running fine until I had a power outage. Now, I am overloaded with these "Server Nas has not responded..." error messages everywhere I look, but all other computers on ...
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0answers
14 views

OpenVPN connects but IP doesn't change

I'm trying to set up an OpenVPN server on my windows VPS (2008 R2), now managed to set everything up and now my laptop is connected to my OpenVPN server. However, when I check my IP, it's still the ...
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0answers
6 views

Slow Write speeds to Isilon File Server

I have a 6 node 120tb Isilon File Server Round robin is setup up and connects the users evenly to each node. Eg 60 users want to connect/map the network drive. 192.x.x.1 (Node 1 - 30 users) ...