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

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Hostednetwork worked at first, but now it doesnt anymore

I hope you guys can help me with my problem as it frustrates me to no end. Yesterday i tried setting up a hostednetwork on my windows 8 computer. Everything went smoothly until i screwed up the last ...
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1answer
8 views

Routing through two different network interfaces with conflicting ranges

This is similar to the question Is there any alternative to virtualization for handling two different interfaces, different networks and same IP range? but that is about linux. And also similar but ...
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12 views

Do I need more than one IP address to use Virtualmin on a clean dedicated server?

I just set up Virtualmin on a new dedicated server with nothing else installed, clean. The install seemed to go smoothly. I checked it said it was not ready to use Virtualmin so I rebooted and now it ...
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40 views

PC connected to two networks but no Internet access

I'm trying to set up two networks on my PC but am encountering an issue when connected to both. The PC connects to one network via Ethernet. This network has no Internet but is essential to operating ...
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0answers
26 views

Create VPN connection using batch

Is there a way to make a batch file that creates a VPN connection? I just need it to accept the Internet address and Destination name, and make a VPN based on that. It'd also be great to get the ...
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1answer
24 views

Can connecting a router to another router impair connection to local clients in the network?

The building of the school I am in is covered with metal plates, blocking cell reception inside, and there was no Wi-Fi, so I brought my own Wi-Fi router and plugged it in an unused ethernet port. It ...
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15 views

Seamless wifi Handover with Ubuntu and network cards

I am trying to do an experiment using two ubuntu server machines. They are running ubuntu 12.04 and wifi adapters are connected. I made them wifi hotspots using hostapd. Now I have two access points ...
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1answer
31 views

How to route traffic from NIC1 to NIC2 when both NIC's are in different subnets?

I am implementing anycast ip on multiple servers which have 2 NIC's installed NIC 1 is connected to the production LAN with a subnet and a Default Gateway (automatic registration in DNS enabled for ...
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1answer
50 views

cant connect to any wireless network

today i connected to my friends wifi and try to troubleshooting my old problem low ram in windows 8.1 update for the last trick i went for bios update and hdd regenerator . i have vostro 3300 and ...
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1answer
36 views

How to share Internet connection of VMWare guest with host in VMWare Player 10?

I am running a kali Linux using VMware Player 10 on a Windows 8.1 host AND i want to share my guest kali linux wireless internet with host Windows 8.1 How to do this?
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20 views

How to setup AirPort Extreme 802.11n to connect to my wifi and share its ports?

Is there any way to force my AP Extreme to act as an wifi client and share it´s ethernet ports? This is no problem with my AP express, but I want to utilize the gigabit ports and switch capabilities ...
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0answers
27 views

Ensuring authenticity of a picture taken at a location [closed]

Since nowadays a lot of application depends on the GPS to register it's location and all aka geotagging, im just wondering is there any ways to detect if a person actually spoof the location of the ...
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1answer
37 views

Different iw list for the same USB Wifi device on Raspberry pi and ubuntu

I have a TP-Link WN721N USB Wifi adapter. I plan to setup two virtual interfaces, one for station and one for AP, on my rpi. The problem is iw list on rpi shows my adapter does not support interface ...
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2answers
74 views

Windows Server 2012 - DNS and DHCP not working on client computers

Help me guys, my dns and dhcp server not working anymore. I used it for more than 2 months but then suddenly all my client computers can't get ip address but still dhcp in my server is running. I ...
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53 views

Can't set up ad-hoc network (raspberry pi)

Question: How do I manually set my Cell Id? I have tried the following code sudo iwconfig wlan0 ap 02:12:34:56:78:9a but it randomly resets the Cell Id to a different value. I am trying to create a ...
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1answer
67 views

Will I be able to register my own IPv6 address as an individual?

I know that at this moment, for all practical terms it is almost impossible to register a small portion of IPv4 addresses as an individual or even a small scale corporation. My question is if the ...
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1answer
22 views

Printer stopped working on network and local W7 64 pc

For the last few years my home server has been an old WinXP box, to which I have had a Canon Pixma IP6700D printer connected, it has worked perfectly printing over the network from the various W7 ...
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1answer
72 views

Do all devices on my 802.11ac router need to support 802.11ac?

I have purchased an iPhone 6, my first 802.11ac device. My current router supports 802.11g/n. Other devices on my network include: A few wired (100mbit ethernet) devices A few 802.11n devices One ...
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2answers
40 views

Find new ips on network

The solution I want to solve is to discover newly connected ip (and preferably mac and vendor) on the local network. So far I've tried arp-scan and nmap. I like arp-scan mainly because it's fast ...
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2answers
82 views

How to boost “Big Internet Company” Fiber wifi across the street?

My startup just moved into our new office. We got a great deal on rent, but unfortunately the building isn't wired for anything but DSL :(. Luckily, our city has a 1GB Fiber connection through an ...
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2answers
51 views

Windows Firewall blocking broadcast messages, can't get it to allow

I am in the 11th hour and desperately need help figuring out what is going on. We have a game server that is broadcasting updates over 255.255.255.255 to our wireless devices. The messages are ...
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29 views

Sharing internet over WiFi in Windows 7

There is: Notebook ASUS N53SM Windows 7 Pro Atheros WiFi Adapter (internal) External 4G modem I'm sharing my 4g connection with my friends over WiFi, but here is a problem: I must set static ...
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28 views

Windows 7 workstation drops hardwired network connection, disabling/enabling wifi re-establishes connection

The issue: Randomly, throughout the day, while I am using the workstation, and while it is connected to the network by network cable AND wifi it stops being able to reach the internet. Internal ...
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1answer
23 views

Is webinternetsecurity a threat to a network and how to remove completely?

I am in IT and one of our computer was detected to have a trojan virus. It was detected as Artemis!294D8BF17879. It turns out to be an application called WebInternetSecurity that appears to create ...
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1answer
32 views

Keep alive, ESTABLISHED and TIME_WAIT semantics

When I use the following command netstat -ant | grep :9111 | awk '{print $6}' | sort | uniq -c | sort -n I get the following 1 LAST_ACK 1 LISTEN 2 SYN_RECV 7 FIN_WAIT1 51 ESTABLISHED ...
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7 views

VLAN routing query on HP Swtch

I have Layer 3 HP switches throughout my organisation. They are set up to perform routing between all the VLANs connected to them, and everything is working. I am pretty proficient with using them, ...
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1answer
98 views

How to ssh from Linux client to OS X host without error message “ssh_exchange_identification: Connection closed by remote host”?

My LAN comprises a desktop computer running Linux (Debian Wheezy), a MacBook with OS X Mavericks, and a modem-router; ssh with Linux host and OS X client functions well - no problems connecting from ...
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16 views

Re-connect to corporate firewall

When I power on my PC, the default internet browser open the page: http://go.microsoft.com/fwlink/?LinkID=219472&clcid=0x409 then I have to enter my credentials to access internet. Every time, I ...
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1answer
44 views

VPN Issue - Unable to reach Servers when connected to VPN

I have a user who's laptop every time he connected to the VPN the internet on his laptop would completely cut out. To get round this issue I changed the config of the VPN connection to not use the ...
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0answers
21 views

vsftpd returns wrong pasv_address

I use vsftpd on my CentOS6.4 home server. Recently I noticed that I can connect to the ftp but LIST command fails because vsftpd is returning wrong IP address when entering passive mode. I figured ...
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1answer
34 views

Cannot load router interface in Win8.1, even though ip address, DNS, etc all set correctly

Win8.1 continually frustrates me. I need help to access my router's web interface. OK, my web interface is 192.168.1.1. This is confirmed with IPCONFIG. My Internet Protocol v4 and v6 settings are ...
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1answer
23 views

Swisscom router, getting invalid port forwarding entries

So I have a swisscom router at home (not sure which model). Behind the router I got my homeserver which runs some services like teamspeak, ... I noticed inside the router settings page that there are ...
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1answer
18 views

Accessing forwarded VM ports from other computers on local network

I'm working on a Windows 8.1 machine, running Debian in VirtualBox. I have an Apache server on the Debian VM, with a web site on port 80. localhost:80 on the VM works for accessing the site. I have ...
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15 views

Connect to MySQL from localhost and external IP

I'm struggling to get my MySQL server to accept connections from localhost and external IP adresses at the same time. It's either only local or only external IP, but never both. I have read several ...
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1answer
60 views

allow incoming ssh with openvpn client

I have set up an OpenVPN client on my home router. The moment the tunnel goes up, I can no longer ping my router from the internet using its WAN_IP. I would like to allow certain incoming connections ...
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2answers
28 views

How does MAC Source Address Learning work with regards to hubs?

On my previous assignment for a networking class, I compared answers with a classmate regarding Source Address Table for a problem that had 3 devices connected to a switch. Device A + B were ...
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22 views

losing internet connection after isp switch

Switched ISP's. First had no issues. Second, same type of router(Arris) and faster connection. (Only difference is ISP and router) When I am "surfing" regularly I can't load pages and get the ...
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1answer
101 views

How to Share openvpn connection over ethernet?

I'm trying to share my openvpn connection on linux to my pc. My wan connection comes through on wlan0 and my vpn is on tun0. Eth0 is my cat5 cable plugged into my laptop. I can't bridge tun0 so I ...
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1answer
28 views

No IP adress in virtualbox, Ubuntu and metasploitable vm

I am trying to set up a lab environment with virtual box - Ubuntu, Metasploitable2 and Kali. When I run ifconfig in Ubuntu, I get the following output: eth0 Link encap:Ethernet ...
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16 views

How to always share “Seagate Expansion” as F [duplicate]

We have 10 "Seagate Expansion" drives that we use in rotation as backup storage devices. Whenever we swap the drives over the share gets broken. Is it possible since all the drives have the same name ...
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2answers
47 views

Both Thunderbolt and WiFi are connected at the same time. Which is being used?

At the office I've got a MacBook Pro running Mavericks, connected to a CalDigit base station which provides Ethernet over Thunderbolt. This works perfectly. However, I often have to go to meetings ...
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2answers
49 views

Can't ping LAN machines while on wired connection

I have weird situation where a single machine on my home network can't access another. The network is provided by TP-Link WR841ND router to following machines: A - 192.168.1.117 - Win8.1 machine, ...
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2answers
43 views

Determining what port is associated with a network interface

I have a computer with 4 ethernet ports in the back. How can I tell what network interface (eth0, eth1, ...) is associated with each port?
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3answers
26 views

Impossible to access/add local network PC/drives after malware [closed]

My PC was infected by a rootkit virus along with some malwares. I fully cleaned it using MalwareBytes AntiMalware, Anti-Rootkit, ADWCleaner and RogueKiller, so I know it's clean. Since the infection ...
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1answer
37 views

aws ec2 private public ip issue

I have an EC2 machine with various programs running communicating via a number of TCP ports. Post AWS reboot, everything was working fine. Everything was working fine this morning, but now, I am ...
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1answer
35 views

How to disable network manager service permanently

The computer i am working on has a manual network configuration i need to keep. The DNS address has been written to file /etc/resolv.conf but the network manager rewrites a default configuration in it ...
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1answer
32 views

Would using a public IP address range on a private LAN cause issues?

A client are having problems with their internet connection. Pings 3 or 4 times then times out for a minute or so. The ISP have taken a look at said they can get a connection just fine to the Cisco ...
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1answer
21 views

Why the network share on a windows 7 machine with two names cannot be accessed without user credentials?

I have a windows 7 machine with 3 network cards. The IPs are something like follows. 192.168.2.10 192.168.2.11 192.168.2.12 In the C:\Windows\System32\Drivers\etc\hosts file I have the following ...
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1answer
50 views

Can anyone interpret the data in this UDP packet?

I have been receiving large amounts of traffic to my computer recently so I downloaded and ran wireshark to find out I have been receiving lots of UDP packets. All of the packets I have received are ...
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17 views

Is it possible that a Wi-Fi client is on a different channel than an Access Point?

Here is the setup of D-Link DIR-615 router in AP mode: As you can see, it is on channel 11. And here is the report from an OpenWrt system, running on TP-Link MR-3020, which is connected to this ...