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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systemd-networkd: how to create a virtual bridge?

I am trying to create a purely virtual bridge for testing some problematic network services. On an older Debian system I could accomplish this from /etc/network/interfaces using something similar ...
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4 views

Maintaining seamless connectivity between WAPs on a single ESSID

What is the most efficient way to keep mobile devices (laptops, Smartphones, tablets) passing between multiple WAP's in a small-medium sized office from losing their connection and seamlessly transfer ...
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5 views

Windows 10 Connecting to wifi adhoc networks

I have a wifi device, and from my win10 laptop, I need to connect to it. I can see the network (adhoc), however win10 cannot connect to it. The same device works well under windows 7 - adhoc. ...
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1answer
11 views

NSlookup of static IP showing computer name from DHCP range

I am part of a network with 60 or so maximum devices. Just a class C subnet where x.x.x.1-100 are statically addressed hardware. 101-150 are also statically assigned addresses for thinclients and ...
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24 views

Problems with Chrome browser

I can't browse half of the sites anymore without getting time-out errors or that "https" error and warning. Then I need to type "danger" to open the site and https text is cut off Don't have these ...
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21 views

Why does my router go offline for 30 seconds every 30 mins?

My cable modem at home (Time Warner Cable) is a DOCSIS 3.0 modem and wireless router in one device. Recently this new thing started happening: Every 30 mins or so, I go offline from my MacBook ...
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1answer
5 views

IPv4 forwarding Wifi issue

I am facing an IPv4 forwarding problem with the following setup: Router / WLAN-AP = AVM FritzBox 7490: IP: 192.168.0.1 Host B = Debian Computer: IP: 192.168.0.2 ; Gateway: 192.168.0.1 ...
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1answer
26 views

Problems during small office network design (multiple switches / load balancers / print servers)

As part of my HND in system design , I'm supposed to come up with a design for a small busness network where there are 200 student pc's (in 4 labs) + 10 academic staff pc's + 1 Server (Active ...
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10 views

Reject routes for IPv6Tunnel in Windows 10

I am currently using Hurricane Electric's IPv6-Tunnel for IPv6-connectivity from my office computer (IT staff approved!). Now I realized that HE.net has a peering dispute with Cogent. So all ...
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7 views

MS Routing Server not routing from Hyper-V External Adapter

I've searched this issue but i'm not able to resolv it. I'm not able to route to a subnet! Here is a high level overview of my env: Network Overview What does work: From the MS Routing Server: ...
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1answer
13 views

Edimax AR-7286WnA - Rom-0 Attack and all services disabled

Got an Edimax AR-7286WnA, dns pointed to malevolous. I'm using the google dns on all devices, but a virus redirect all my requests to tradeadexchange and then to a FlashPlugin fake update page that is ...
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1answer
10 views

Cannot ping VPN server by tun address when connected

I have an OpenVPN server set up in a datacenter running Debian. I am using a TUN interface to connect to it, and my Windows PC gets a 10.8.0.x address, as expected. When I run ip addr on my server, I ...
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17 views

Win 7 HomeGroup frequently ask for “Network Password”

I have setup a Win7 PC as a local server called "HomeServer" and have set all other Win7 PCs join homegroup on "HomeServer" PC. Then, I have all the file sharing on that "HomeServer" PC. This kind of ...
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1answer
12 views

My self-hosted blog won't route properly past the first lookup

I have moved from hosted WordPress to hosting my own on my QNAP NAS. Now, I've gotten it to work insofar that I can lookup the blog from the Internet (I've set up an A record at my domain service). ...
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21 views

DNS server (bind9 on Debian) problems with Windows 7

I have made a home server in my house (for downloads, get arduino readings and stuff like that) I want to access this server with a domain (Ej, mylocaldomain.com) to do that I have configured a bind9 ...
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2answers
29 views

Can a laptop connect to an ethernet network printer with WIFI?

I was asked to find a solution to following problem: A home network has different laptops and printers, all connected in an ethernet network. A WIFI router was connected to the network. Now a user ...
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0answers
15 views

Connect to local IP on router though extened wifi

I want to connect to a device that is connected to my router. (for SSH) I am only connected to that router though a Wi-Fi extender. Is there any way I could connect to this device though the extender? ...
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1answer
11 views

How to configure a intranet router to inform its hosts about routes to other subnets?

It sounds a little bit strange, but the current network configuration is, I have two local networks: 192.168.7.0/24 and 192.168.144.0/24. Their gateways are respectively 192.168.7.1 (R1) and ...
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1answer
18 views

Trying to make Tomcat 7 work on a machine locally, with no network connection

What I'm trying to do is run Tomcat on a machine, and to use it locally. The machine will not have a network connection, no network adapter. When I try to navigate to localhost or 127.0.0.1 I just ...
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2answers
21 views

Is it possible to run two separate IPs through one line?

Sorry for the repost from ServerFault but I was told to ask this on Super User. I'm not asking if I should, just is it possible. Here's what I have: Old Internet provider has a 2 year commitment. ...
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1answer
20 views

Multiple Virtual Machines Network

I am using Virtualbox and I want to connect 3 virtual machines to act like theyre in one network (internet connection is not required). I don't know how to do it and I couldn't understand this source ...
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0answers
10 views

How do I forward/NAT all traffic to one interface to give internet acess for clients in ap?

Im trying to setup a router in my debian vbox virtual machine using an usb wireless adapter in at0,and a bridged adpater in eth0,i'm using airbase-ng and isc-dhcp for leasing ips,the point is all ...
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14 views

find mac address of remote router not in network

Hi i'm making penetration testing on my cisco router , using aircrack suite (mostly learning how to use it) , is there a way i can get the MAC address of the router without being on the network , and ...
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18 views

Creating a development VM from Arch Linux

I'm trying to set up a particular development VM. I'm doing web development, so it will host some version of LAMP. What I want to accomplish: I'd like it to be Arch. I want to be able to ...
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2answers
32 views

Is there a way to connect non-smart TV to PC via USB?

I have a non-smart TV with USB features, I can plug a USB drive with media like video, music, etc. But it's kind of hassle to remove and replug everytime I want to fill new data into the USB drive ...
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2answers
27 views

Ping between two Linux systems via an intermediate Linux fails

I have a simple network with three Linux systems running CentOS 2.6. Linux 1 (eth1: 192.138.14.1/24) | | (eth4: 192.138.14.4/24) Linux 2 (eth2: 192.138.4.3/24) ...
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1answer
21 views

Debian - remote SSH authentication failed after numerous attempts of fixing it

So, a few weeks ago my remote SSH to a server stopped working. First of all my setup - I have my server running ESXI, 2 VMs, one as firewall and one where my server resides. I have a NAT rule set up, ...
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13 views

RNDIS intermittently working on linux

I am trying to connect an RNDIS device via usb. When I plug the device in and run lsusb it seems to take ages (~20-30 secs) to run, and then the results are: Bus 004 Device 010: ID 19a5:0402 ...
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1answer
23 views

Make Windows 10 connect/disconnect to WiFi based on Ethernet connection status

How to disable/enable WIFI when Ethernet connection is available in Windows 10. My Ethernet connection is faster than my Wifi, but Windows 10 keeps routing via Wifi when I connect. Is there any way to ...
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46 views

Developing a consumer product that uses HTTPS to securely transfer data. Good approach? [on hold]

I am developing a consumer product and most of the fundamental elements and components are stable and properly developed. This is good for a prototype, but not necessarily for the end consumer ...
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16 views

is there any way I can access my remote LAN using teamviewer VPN?

Or any other VPN. The thing is Remote host (Windows 10 Professional): Remote LAN interface om some local subnet (i.e. 10.7.0.X). Remote VPN interface on some other subnet (i.e. 7.X.X.X). My host ...
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18 views

Server Won't Join my Domain Controller [duplicate]

So my server won't join my Domain... I'm fairly sure this is because of issues with my wired D-Link router... as my virtualized Windows 7 machines can join with no issues. Error: Note: This ...
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10 views

Why are user credentials required for one user profile to set up network printer but not for another profile on the same computer?

I have two laptops in one room that were originally running Windows 7 and were setup to share an HP LaserJet 1320 that is connected via wired connection to laptop 2. Once laptop 2 was upgraded to ...
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2answers
16 views

random open ports on nmap scan

My machine has the IP address 192.168.1.50 . When i do the following nmap scan nmap -p- -sT -Pn 192.168.1.50 from the same machine, i get at each scan some random open ports. And these random open ...
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12 views

OS X “launchd” maxing out upload bandwidth

I had an issue on my Mac mini with a DDOS Unix virus which was saturating the upload bandwidth and bringing my internet down, ClamXav and Avast found all the parts of it (it never showed up in ...
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0answers
8 views

Modified file not being read over network

I have a strange issue with file sharing in Windows Server 2012. We have an application that's run from a network share. There's also a Terminal Services server so remote users can run it. This ...
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16 views

Tools for monitoring/ensuring that laptops logging in to the network are encrypted?

can any body advise on any free or 3rd party tools that can be used for monitoring network access from laptops - ensuring that laptops are encrypted before access is allowed. There have been a number ...
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16 views

How to access to my access point on Rasberry Pi

I have installed the image of UNIFI access point on my Raspberry pi and the ip is 192.168.88.243 the Raspberry is connect to a router with ip 192.168.101.1 i have do nat on router,and the interface ...
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15 views

VPN and NAT access behind router

I am setting a VPN server and I am having a headache, because I can't make it work. My setup: Local LAN with 192.168.1.0 subnet behind a router. Server with two NICs in the same subnet, Internal: ...
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1answer
29 views

Cisco 3600 not allocating DHCP addresses

We've purchased a cisco router 3600 for use as a DHCP server and I have configured it to test like this: Current configuration : 1292 bytes ! version 12.4 service timestamps debug datetime msec ...
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1answer
14 views

Directing VPN and RDP traffic through wireless connection

OS: Windows 7 I have two internet connections in work, a corporate LAN (connecting us to the main data centre) and a local ADSL connection. The former is wired and the latter is wireless. I am using ...
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0answers
6 views

Running a VPN from within a Virtualbox VM, encrypted/secure?

I am running an openVPN client from within a VirtualBox linux guest (Win 7 host) to connect to a PIA VPN server. The VM is in the default NAT server configuration. The host is NOT connected to a VPN ...
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3answers
2k views

I have both IPv4 and IPv6 public addresses. Why?

For my home network, my public IP address shows through some websites as an IPv4 and others as an IPv6 address. I have read this thread and understand that it is possible for my ISP to have assigned ...
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1answer
32 views

multiple static IP address

I am trying to setup 2 external static IP address through a Arris Modem/router bridged to 2 router so I could split pc network and server network. How would I go about setting it up properly/ if it is ...
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9 views

Amazon EC2 sub directory link stops working after associating elastic IP [on hold]

I have an AWS Micro instance that I've installed a few Wordpress websites that I've been using for staging environments. I could browse these sites by navigating to xx.xxx.x.xx/website1, ...
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1answer
27 views

connectify hotspot traffic can be identified in someway?

in my company my chief sometimes when some guests come to office and have not wifi credentials, he asks us to share wifi with connectify on the fly. But I'm concerned about security: (it's a large ...
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13 views

Network Emulation on a Bridge?

When I try to use Network Emulator for Windows Toolkit on a bridge or Ethernet adapter connected to the bridge it has no affect on the machine connected via the bridge. Could somebody explain how to ...
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8 views

Printing across LAN security zones

I have a sonicwall supermassive appliance with 1 custom LAN zone with enhanced security and of course the default LAN zone enabled throughout my network. These zones also use different ip ranges. ...
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12 views

Mobile broadband issue on Windows tablet

I have a Windows 8.x x64 tablet (Lenovo Thinkpad) that has intermittent mobile broadband connectivity issue; it uses a Verizon SIM card for its connection. The problem is as follows: When the user is ...
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1answer
23 views

Maingear Vybe PC Dropping Internet Connection

I just bought a Vybe computer from Maingear. It worked fine for about a week, but for the last five weeks, it keeps losing the internet connection (yes, I have swapped cable and ports). After the ...