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

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Using D-Link 2750U WIFI Router for WIFI

I am having trouble configuring the D-Link 2750U WIFI Router. I have a broadband connection with a static IP ( 192.168.1.xxx) through Ethernet cable. Now, I would like use this broadband connection to ...
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1answer
17 views

Virtualbox to reach network devices with the same IP of the host

I have 1 host machine with Windows 2012 Server. This server has 1 IP address. This IP is the only one that can reach the network devices (routers and switches). I must run a software that collects ...
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0answers
17 views

Configure Windows 7 to bridge from LAN to VPN

My Notebook is connected to the Internet through WLAN using a proprietry VPN connection to my company. There is no other way to use this WLAN, only via VPN. I've got a bunch of mobile devices (for ...
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1answer
684 views

What does netstat -r on OSX tell you about gateways?

I noticed the route table has a lot of entries I do not understand. The route tabel is: Internet: Destination Gateway Flags Refs Use Netif Expire default ...
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0answers
14 views

How to determine which clients are connected to a specific port on a server

The network is Microsoft Windows but the server is running an unknown operating system. I cannot get access to a command line on the server. The server is running a custom protocol. The network ...
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2answers
27 views

Can't get IP from Router using a switch (TZ 170)

The setup is the following: The modem is connected to the router (Sonicwall TZ-170). All computers connected to the router directly have no problem accessing the internet. To the router used to be a ...
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1answer
21 views

Which hardware/softwares do I need in order to push new software from a single central computer (server?) to many client computers at once?

I apologise in advance if I use the wrong terminology, or say anything spectacularly ignorant. I'm bound to and, in fact, my problem is precisely the fact that I do not know the correct terminology in ...
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9 views

NAT several subnets with same IP range to a single interface

I have the following problem: a customer have several LANs, for example LAN1, and LAN2 with the same private IP ranges (192.168.10.x), and I need to monitor all the networks. I have name three ...
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3answers
26 views

Portable program for connecting to Linux or Windows machine behind the same router?

I am searching for a program that will allow me to connect my computers in my home network behind a router in such a way that I can view, launch programs, see the results, browse the web on the other ...
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1answer
17 views

How to connect to a ftp server running on different network

I am running a ftp server (port:21) on my windows 7 PC connected to a legacy LAN Router-2 and is having a IP 192.168.42.211 whereas the Router-2 is having IP 192.168.0.2 which in turn is connected to ...
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1answer
2k views

Two subnets block traffic between them but allow internet

I have 192.168.1.1/24 network that has a switch and several access points .There is a adsl modem at 192.168.1.1 . I want to add a new network 192.168.2.1/24 with its own access point and switch. so ...
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1answer
16 views

Block all Outside IP addresses to NAS using Winbox/Microtik

I am not an expert on networking and firewall rules. I can use the Microtik/Winbox app to the point where I can setup basic firewall rules. I want to basically block all outside IP access to my NAS ...
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3answers
40 views

What's the security used in my school network

In my school we have to use the school computers to our homework. I like to work on my machine because I have all well configured (Vim, Firefox and I use Ubuntu instead of Windows ...etc). I use my ...
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0answers
9 views

Domain name is not appearing in “work network”.Instead it displays “Network 9”

I have configured isc-dhcp-server and provided a domain name "anbu.com" along with the IP addresses and other details. My Windows 7 client got its IP address from the DHCP server. In the Network name, ...
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0answers
15 views

Can I transfer security certificates for VPN to my PC? -or- Where do I find VPN passwords?

I'm trying to use Defender VPN for my PC. It works on my iPhone. I'm using some kind of security certificates. But the Windows installation of VPN via the "connect to a workplace" wizard in the ...
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1answer
21 views

Can we build a network switch chip by ourself? [on hold]

Looks it it simple enough - just forward package to other port. I am wondering if is possible to build it on some common ARM SOC. Didn't need care about the speed or advance feature.
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1answer
2k views

Using the Cisco VPN 5.0.07 blocks internet - but shouldn't

I have been bashing my head against this for a few days. I have a computer that is singularly running the Cisco VPN client to connect for a work application. Our web normally filters through a proxy ...
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1answer
168 views

what is difference between data rate and throughput

I want to know what is difference between data rate and throughput. All I know is capacity of one link is not its throughput. Also bandwidth is not capacity. Please some one help me to know the ...
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0answers
17 views

Connect to nodejs through public ip address

I have a basic node express app running on port 3000. I can access it via 127.0.0.1:3000, my private ip is 192.168.1.2 I've set up portforwarding in my d-link router as followed: Private IP ...
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0answers
13 views

Connect Raspberry PI to internet through network bridge

I want to connect Raspberry PI to internet over network bridge on my laptop. It's Windows 8.1 machine. I've bridged ethernet and wireless interfaces. Raspberry PI has a static IP address. I was trying ...
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2answers
396 views

Cable from broadband router to computer (cross-over or regular)

I have a wireless broadband (WiMax) and I want to move my computer from where the IDU (In Door Unit) is to another location. So my plan is to get a longer ethernet cable from the IDU to the computer ...
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1answer
45 views

I can't get a valid internet connection with MikroTik Wifi

My router is MikroTik RB951G. It has the configuration below: ether1 - port where the ISP cable is plugged in ether2,3,4 - are the ports where i plug my PC and Switch. There is a DHCP server on the ...
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1answer
46 views

Block websites to a certain IP range with mikrotik router

I have a MikroTik Router 951Ui-2HnD that connects my computers with the ISP. I want to block Youtube and Facebook but only in a few computers. I created a Layer7 Protocol with: Name : Denied Websites ...
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1answer
32 views

Sharing an external hard drive connected to PC via USB to other devices

I have a desktop PC running Windows 7 Home. I have an external hard drive connected via USB to that PC. I would like to be able to share that external hard drive with other computers. For instance I ...
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1answer
11 views

Can I get seamless roaming with a wireless range extender?

I am using an Amped Wireless REC10 range extender that I have on hand to increase my wireless signal to other parts of the house. The config will let duplicate my network settings exactly down to the ...
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0answers
7 views

How to change mode of an airmon-ng created interface(mon0) from managed to monitor?

I am connecting to a home router using wifi. The detais of my wireless cards are as follows: #lspci 01:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01) #lspci -vv ...
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3answers
7k views

Windows 7 cannot ping a name, only an IP address

Sorry about this but all the similar stuff I have read does not solve my problem. Windows7 pro on these two machines. Networked as public then the sharing set to file sharing /discovery etc etc - all ...
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4answers
4k views

how to make tcpdump to display ip and port number but not hostname and protocol

I'm using tcpdump for some tests I want to see the IP and port number but the output of tcpdump is like IP pl1snu.koren.kr.http > kitch.pl.sophia.inria.fr.dnp: Flags [P.], seq 54:72, ack 1, win ...
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2answers
2k views

SSH Connection Error : No route to host

There are three machines in this scenario: Desktop A : user@1.23.x.x Laptop A : user@1.23.y.y Machine B : user@192.168.z.z All the machines have Ubuntu 11.04 (Desktop A is a 64bit one) and have ...
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0answers
17 views

Find Windows 7 driver for Realtek RTL8111/8168/8411 PCI Express

We have a desktop computer here which has Ubuntu installed. We want to install Windows 7 on an identical computer, but now have no network connection. Windows doesn't recognize the network card. On ...
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12 views

Bridge between 2 identical LANs

device PC2 PC1 ......should-talk-to...... device PC2 PC1 \ | / \ | / hub lan1 hub lan2 I have two lans ...
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4 views

vSphere 5.5 Can't tick “connect” for VM Networks

We are using vSphere 5.5.0. Using the vSphere Web Client, when I create a new VM or add a new NIC to an old VM, if I tick "connect" for the VM nentwork, the task is completed without error. But when I ...
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2answers
68 views

My router is really slow. How can I troubleshoot?

I have two routers at my home. WAN -(LAN) - Media Link router - (LAN) - Buffalo router - (WiFi IEEE 802.11g) - PC1 |- (WiFi IEEE 802.11b/g/n) - PC2 When I compare the speed and ...
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0answers
34 views

Ports not opening correctly

I am trying to open up ports to run a program but it won't work. I am trying to open up port 80 for testing, but even that didn't work. Here are the steps I'm going through. Open windows firewall, ...
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3answers
2k views

Wi-Fi connection drops when downloading torrents, but wired connection still works

After downloading for an hour or so, the Wi-Fi connection on my tablet stops working; forcing me to restart my router(it basically hangs when trying to connect). This only happens when downloading ...
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1answer
2k views

Torrent upload ratio not updated on Synology DS212+

I have a Synology DS212+ NAS running DSM 4.2-3211 (current version). I use it for several purposes including torrent download using Download Station and a tracker that needs authentication. My ...
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0answers
16 views

Does HDMI over Ethernet imply CEC Pass-Through

While building home network I came across a problem: On one side, striving to condense as much electronics as possible at one place, e.g. in a basement (back-end stuff like HTPCes, NASes, UPSes, ...
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1answer
31 views

Signal strength fluctuations and performance issues with cascading routers

I am using two home routers (Linksys WRT300N and Netgear Nighthawk AC1900)in cascade order to extend the area covered by WIFI. The signal strength and performance of the network throughout the home is ...
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1answer
24 views

Network Error In Microsoft Health App When Pairing With Microsoft Band

When performing the initial pairing the Microsoft Band with the Microsoft Health App on an iPhone a "Network Error" is displayed in the Health App. The Band says "Almost There" and cannot be turned ...
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1answer
44 views

Port 53281 (and now also 63356) forwarded on Asus router

I have a new Asus RT-AC68U Dual-band Wireless-AC1900 Router. Under the System Log - Port Forwarding page, I see the following: Destination Proto. Port range Redirect to Local port ALL ...
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0answers
28 views

Connect 2 Networks and restrict acces

The Setting: 2 apartments where each has it's own internet connection over an AVM Fritz!Box. I'd like to connect both apartments with a network cable. In apartment 1 is a NAS wich should be ...
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1answer
19 views

How can I control specific traffic like UDP traffic with iptables on ubuntu?

If for example I would like to send just the UDP traffic to an IP-address, is it possible to do this with iptables ?
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1answer
22 views

Cannot connect to my own mumble server using external ip

I can connect to my mumble server through my local (Wireless LAN IPv4) ip: 192.168.0.15, but I cannot connect using the ip taken from this website: http://www.whatismyip.com/. I have forwarded ...
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1answer
12 views

cannot access trendnet wireless box

My Trendnet TEW-452BRP wireless router is connected with a NetGear ProSafe VPN firewall FVS318 router right now. They are working fine. I am right now connected with wireless. I try to change the ...
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0answers
110 views

MAC OS X Internet Sharing with 802.1X Auth

I have an issue, i am in College, and i have a PS4, but as it seems i can not connect it with the network because they use 802.1X auth type. I found a solution, MAC has an option to share internet ...
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1answer
18 views

How to access the service on the server which act as the VPN Gateway as well?

I am currently running a VPN Gateway by Strongswan on a CentOS 6.5 VPS. The CentOS server has one eth port. The VPN is using IKEv2 and the connections between clients and server are established. The ...
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2answers
418 views

Connection to VirtualBox machine drops as soon as VPN is enabled

I have a VirtualBox machine running on my Mac and I can connect to it without problems, for example using SSH: $ ssh user@192.168.12.101 user-centos-6:~ user $ As soon as I connect to a VPN from ...
1
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1answer
2k views

what does it mean if nslookup and ping fail to resolve a host name but tracert does not?

This problem concerns an internal DNS server that for some reason sometimes fails to resolve the host names of some machines on the network. When it fails to resolve a host name, and this can happen ...
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2answers
325 views

Comodo Firewall blocks Cisco Anyconnect VPN

I am running Comodo Internet Security Firewall (6.3) and trying to connect to work using Cisco AnyConnect VPN client. I can make the connection but can't do anything else, not even ping by IP ...
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1answer
321 views

How to configure network interface names booting from read only medium?

in a Ubuntu 12.04 system, we'd like to configure the names of the (physical) network interfaces (such as eth0, eth1, ...) using udev rules such as those generated in ...