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

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Is it possible to specify interfaces for a reverse tunnel in PuTTY?

I am trying to set up a reverse tunnel from a Windows 7 box (call it A) behind a firewall to a DD-WRT router on my home network (call this B). The situation is this, I would like to be able to RDP ...
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51 views

Double Port Forwarding with two routers on the same network

I'm running a hand full of servers on my network. I'm running out of port forwards on my primary internet router to forward traffic from the outside to the inside. The network has another router wired ...
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107 views

Device or resource (DNS server) is not responding; if it does connect, it runs very slow

My cousin went into my home yesterday and he complained his laptop not being able to connect with the internet on my house (we use wireless connection). So he asked me to configure the internet ...
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52 views

First connect fails for specific host

I am using rdesktop to connect to a Windows 7 desktop with RDP. I am using the command: rdesktop -g 1800x1000 win3.int.mtak.nl. The first time I run this command after a reboot of the client (Ubuntu ...
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47 views

How is IPv6 stateless autoconfiguration supposed to be used?

I've been using IPv6 for many years now, but it wasn't until I switched ISP recently (and with that, from 6to4 to 6rd) that I found out that stateless autoconfiguration only works on /64 subnets. I ...
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237 views

Where to find the permission or policy to allow installation of network adapter service in Win7

I am trying to install a VirtualBox VM on all of my colleagues machines, one of which is giving weird problems - The VirtualBox installer doesn't seem to have installed it's network adapter/services. ...
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87 views

Strange processes in task manager (Network Restricted, No Impersonation, No Network)

I have strange entries in task manager. What can this mean? UPDATE For example, I have the following in regedit HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost What ...
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89 views

Windows 7 mapped network drives disconnected for new users

The issue is that on all Windows computers on our Windows domain, when a new user logs in to a computer for the first time all drives are mapped (via user logon script) but all appear in a ...
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59 views

Skip routing via lo interface for outgoing packets

Introduction: I have following load balancing configuration: 10.0.1.31 - lb 10.0.1.32 - node1 (tomcat + mysql) 10.0.1.33 - node2 (tomcat + mysql) I'm using keepalived which is redirecting packets to ...
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492 views

OS X Mavericks “Share Internet from Ethernet to Wi-Fi” fails after a period of time

When the computer first boots up, I can share Internet from Ethernet to Wi-Fi without a problem. But after a few days, it starts to malfunction. I notice that when the Wi-Fi is shared, in the place of ...
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29 views

IP range blocked on my mac

My Mac seems to be blocking an IP range and I would like to remove whatever is blocking it. Whenever I try to go to an IP address which starts in 5...* the request will not resolve. So if I try to ...
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154 views

How to find 3G signal strength when connection is already established by pppd?

I want signal strength information when a pppd connection is already running. I am running pppd on an embedded Linux environment and a 3g modem manufactured by Cinterion. I know commands from which I ...
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60 views

Accessing my external drive connected to my Belkin router over the Internet?

I have a Belkin n900 wifi router and I connected my Verbatim External SSD to it and I can access it on the local network, that is I can browse and download my files, I would like to access my drive ...
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30 views

A lot of random NAT tables appear

My brothers Mac seems to be infected. It keeps on sending UDP and SYN floods to our router, and it multiplies my ping 10 times.When I look in the NAT Mapping table there are a lot of random address ...
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26 views

Block packets by size in Windows

currently I am receiving an attack against one of my services running on Windows Server 2008 R2 with malicious UDP packets all of a specific length. I have tried dropping these packets with a plugin ...
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20 views

Folder Encryption in a network

I am using Windows 7 and I want to put a password in my folder in a LAN. Example: The \192.168.1.1 address is the Server of File sharing in a LAN (in my case). So all of the PC's that are connected ...
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33 views

dhcp no lease because of not-DAD mode

My virtual machine does not receive an IP lease anymore. Manually requesting a new ip lease by 'ifdown/ifup eth0' or 'dhclient eth0' or 'service network restart' don't work either. The error is ...
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39 views

How do I disable this networking dialog on Windows 8.1?

When I tether my Android phone to Windows 8.1, I often get this useless dialog, which I always ignore. How do I prevent Windows 8.1 from showing it?
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91 views

Can't connect to web server from outside my network

I have a Debian-based server that I would like to be able to access from the Internet (no domain name yet, I'm just trying to get it working for now). I already have port forwarding set up on my ...
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29 views

Connecting local network using switch and router with just 2 interfaces

I need to connect a very small network (< 5 devices) to another network. The other network provides only a wireless AP. I was thinking about using an old Linux box with a wifi card and a single ...
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122 views

Conntrack/NAT's port mapping for a specific port breaks whenever that port's service is shutdown for too long. How can I fix this?

Linux Gentoo 3.13.6-hardened-r3 #1 SMP Sat Apr 12 09:17:25 EDT 2014 x86_64 Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz GenuineIntel GNU/Linux hardened with grsecurity and selinux with a strict policy in ...
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161 views

Bridging my VM with an OpenVPN adapter

Beginner user here,I start to slowly learn about networks, virtual machines and so. Here is my set up. I have a host system, running Windows 8.1. On my host system is installed OpenVPN, with a ...
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2k views

Intel Wireless-N 7260 slow on linux

I just bought a new Acer Aspire V7-582PG which has an Intel Corporation Dual Band Wireless-N 7260 (rev 73) Wifi card. In windows, everything works fine, but using linux, the internet speed is quite ...
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180 views

Is it possible to route all traffic on VirtualBox host adapters to guest?

I am upgrading Ubuntu 8.04 on a dedicated router/firewall/NAT/SMTP/SSH server with a current Linux (Debian Wheezy). I am using VirtualBox (4.2) with Ubuntu 8.04 as host and the new Debian build as ...
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47 views

Router slowing down to a crawl

Recently I upgraded my 2Mbps ADSL connection to a 6Mbps ADSL2+. Ever since this has been happening: After a router reset, the connection from modem to router is at a speed of 6Mbps for around 15 ...
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33 views

Follow up to SSH access to office host behind NAT router

I have a problem similar to the already posted SSH access to office host behind NAT router to access from a homepc an OfficePc using a server with no root access the given solution was: ...
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1k views

Why does TP-LINK router speed slows down

I have a TP-LINK WR841N router and a 100 MB connection. For about 1-2 weeks my speed has dropped to 50-60 MB when I'm connected Wi-Fi or through a cable to the router. If I plug the ISP cable ...
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124 views

2 computers 1 wifi connection 1 ethernet connection bridge?

My computer setup is very strange not being able to ethernet directly to my network. I have 2 terminals(desktop computers) both running linux(ubuntu 12.04.04 server). I have attempted to use brctl ...
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110 views

“Trusted zone” in ESET Smart Security still works even with “ESET Service” stopped?

I have ESET Smart Security installed on computer A, and I usually connect from PC B to A using RDP. I have to add the IP of B to "trusted zone" on A so that B is not blocked, like in this tutorial. ...
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23 views

Can I host a Hyper-V differencing disk in a central location and access it over the network?

I'm designing a system whereby developers can create their own locally hosted VM's on their Windows 8.1 workstations. The developers will be provided with the fully built environments (ie. software ...
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34 views

(Resolved) Bridging networks issue

The architecture is: [ Router 1 ] [ Router 2 ] [ Router 3 ] [ aDSL Router ]---UtpCable---[wireless router]---UtpCable---[wireless router] [192.168.1.254] ...
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52 views

Linking router from VPN to main network?

So, here's what I have going on now: Thomson Cable Modem ---> WAN port on D-Link N600 (IP 192.168.0.1 - DHCP 192.168.0.100-149) running stock D-link Firmware ---> Wan port on Linksys E1200 (IP ...
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35 views

Juniper Firewall setup

I bought an old Juniper 5GT firewall simply to do some port filtering. I have set the device up in a DMZ zone of my home network, there is a server behind it and it has been assigned an IP by the ...
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74 views

can't connect to kvm rhel guest from fedora host over any port other than 22 (ssh)

I have a kvm guest running Red Hat Linux in a Fedora 19 host. Running a ruby app in the guest on port 3000. I can ping the guest, and ssh into it from the host, but I cannot access the app itself. ...
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71 views

Does a VirtualBox/CentOs need two adapters to work properly ?

I have a Windows 7, 32bit, HP Laptop. I have CentOs 6.5 running on VirtualBox 4.3.10. Here is my eth0 config. Code: #vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 ...
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31 views

Circumventing a router - sort of

I am trying to attach an IP camera to a router at a clients premises. the network is using a static IP address as they host their own web site. When I attach the camera I cannot access the rtsp feed. ...
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11 views

How to identify port of switch which is connected to client PC from the Server PC? Server PC is having windows OS

How to identify port of switch which is connected to client PC from the Server PC? (these two PC's are connected using socket.) In between these two pc's communication path there can be multiple ...
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156 views

Iperf tests in reverse direction

I used iperf to measure the max throughput for TCP connection between two ubuntu machines. Both the machines were directly connected be means of a 1Gbps cable. When I performed iperf tests i obtained ...
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62 views

Assigning Wired Connection to One Exchange Email Account on OSx Mavericks

On my 10.9.2 Mac at work, I am connected two ways to the network, wireless and wired. I need to plug in via a wire to access my email over the company intranet, but when I do that, all of my personal ...
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36 views

LAN network, part of the computer can not resolved by name

I have three computer all connected to a Router(192.168.1.1), here is their information. Computer(WorkGroup) | Operating System | IP Address | Network Mask | Gateway | IP Info ...
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82 views

CCProxy and access to Internet on Windows 7

I have installed the CCProxy on my Windows 7. But after running and start it I still have access to the Internet. (I have access to internet on this machine with ADSL modem - No LAN) my NIC IP : ...
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103 views

resolving host names from parallels (windows) to Mac (mavericks)

I was given a macbook for work that is running mavericks. We also do windows development. I'm currently running windows 8.1. I set up mysql on the mac side that both the windows 8.1 running on ...
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118 views

VPN access kvm guests

OpenVPN is installed on my host system running kvm as virtualization and I've several guests with static/public (Bridged) and private IPs (NAT), every guest uses Samba to share some folders. how can ...
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96 views

How to connect to Windows remote domain from Linux know its gateway hostname?

I have credentials to connect to my University's reserved Linux virtual machine which means : username password gateway's hostname let's say secretgateway.net full hostname in .local domain let's ...
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40 views

is robocopy over a network share secure against eavesdropping?

IMHO using robocopy for copying files to a remote windows network share should use the encrypted channel provided by windows file sharing ove a network. Can anyone confirm? Thank you.
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35 views

Prioritize computers/traffic on a home network?

I have a Cisco EA2700 router hooked up to a Thompson DCM476 modem in my home network. There is one user on a mac that hosts Skype and google hangout calls on a nightly basis and whenever this happens ...
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24 views

can't acces virtual machine after plugging ethernet cable

I have virtualbox installed.My os is ubuntu 13.10. I configured a host only network at 192.168.56.1 I have 2 machines the first 192.168.56.20 the other 192.168.56.21. Everything worked fine before I ...
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170 views

Kali Linux Networking not disabled by default?

For some reason when I installed Kali the networking services and interfaces were all enabled. I know how disable the network manager at boot, but I am unsure if that is everything. Are the interfaces ...
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91 views

Hosting ftp in LAN fail filezilla--Error:Failed to retrieve directory listing

I want to transfer files between computers in my home LAN using filezilla. I set up the ftp server and try to connect from the client. The connection is established, as can be seen on both server ...
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35 views

Optimal network layout w/ static ips

Ive been trying to set this up correctly for a while, and this is as close to successful as I've been. This layout has worked but is not reliable. Every once in a while access to the outside internet ...