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

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Windows 8.1 applications not responding within one network

I have a user who is on Windows 8.1 Pro. When this user comes into the office, all applications (including explorer) begin to stop responding minutes after reboot. When the user is remote from the ...
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1answer
12 views

How to disable LAN access for the wifi users

I have a wifi router which is connected on the network. The users using the wifi internet can access my LAN network. How to block the wifi users to access my lan network and system. How to configure ...
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6 views

Bridged mode - Can the VM and host server be in different subnet?

I want to use Bridged mode in VMPlayer. Can the third subnet of the VM be different from the Host server? For e.g : Host server's IP : 172.17.X1.X2 Virtual Machine IP : 172.17.Y.X3 Please ...
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7 views

SSH tunneling to non-Apple machine using Back To My Mac

I have little home network with two Macs, Debian-based server and latest AirPort Extreme base station. Unfortunately my IPS uses PAT (double-NAT) and I have no public IP address. On my work machine I ...
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5 views

netstat with --inet option does not display listening tcp por

Can someone please explain why the output of the command are different? user@geeko:~> netstat -ln | grep 9876 tcp 0 0 127.0.0.1:9876 :::* LISTEN and ...
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6 views

Can I reference multiple interfaces in OS X pf with wildcards?

I use /etc/pf.conf and pfctl from within a program to programmatically block and unblock network interfaces. When I for example want to unblock all tunnel interfaces I want to unblock all interfaces ...
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2answers
23 views

how to insert a text file in hosts.allow or hosts.deny?

So I read in man page of hosts.deny that i can input files in /etc/hosts.allow or hosts.deny to input ip addresses which i want to block or deny. So i tried doing this in hosts.allow sshd: ALL ...
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1answer
14 views

IP masquerading, rule to forward packets between the Interfaces (on a multihomed network device)

Preamble This question can be considered as a followup to link Setup System: Embedded linux system running netfilter and iptables enabled kernel. Number of interfaces: 2 eth0: Connected to a NAT ...
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1answer
20 views

Internet drops - two routers handing out IP addresses?

My apartment block of 14 apartments share one fiber-optic internect connection. However, I've been having trouble setting up my wifi. I have two routers. 1) A D-link. This works out of the box, but ...
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2answers
32 views

I want to creating Network without internet

I want to Create a network between 3 of our house, which are not close. i want to achieve that without internet connection. so that i will be able to transfer files without internet. recommend any ...
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1answer
12 views

DDoSing ports, do numbers matter?

I know people typically DDoS port 80, but let's say I DDoS any port besides 80, would surpassing the given port speed of any specified port still cripple someones network? Say I want to DDoS port 45, ...
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8 views

TP-Link Archer C7 AC1750 V2.0 Wont connect to the internet. Installation also failing

My Archer C7 will not connect to the internet after i run this setup, the installation for the router always fails at the end when it is verifying the router settings. If anyone can help me out with ...
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2answers
25 views

Windows 8 not detecting Wi-Fi

My PC is not detecting the signal of the wireless router in the room. My roommates can use it with no issues. My PC is showing other Wi-Fi signals, but not the Wi-Fi of my own room. I have tried ...
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12 views

Windows 8.1 cannot connect to one specific device on LAN

I just changed out an old Linksys WRT54GS wireless router for a TP-Link TL-WR841N wireless router. I immediately flashed the router to use DD-WRT. Everything went seamlessly except that my Windows ...
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15 views

OpenVPN iptables and security

I want to run OpenVPN at home. I have a virtual instance of Debian 8 on my ESXi 6.0 host with its primary IP as 10.0.0.99. I assigned multiple virtual NICs (server, vpn, management, backup) with the ...
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1answer
14 views

Remote Desktop Connection not working on VPN — another session in progress?

I have looked at many solutions online for the issue that I am having but they just don't seem to be applicable. I have a VPN connection and I am trying to remote desktop into a computer over the ...
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18 views

TCP Retransmission on the receiver side

How does Wireshark knows that a packet on the receiver side is being retransmitted. I mean it makes sense on the sender side: Wireshark sees two identical packets (with the same sequence number) being ...
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2answers
55 views

Browser traffic is blocked but pinging traffic isn't

In my school, the internet only allows us to connect to Email and to our school course pages where content, homework, etc is posted. If I try to go to hulu.com in the browser, I get a blank ...
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10 views

What is required to make sure no plaintext password is on the wire between an Apache web server and an ActiveDirectory server for LDAP authentication?

At my work, I have a rather stubborn IT person who is extremely against adding services to our central SBS installation (which means no SVN, no internal web server, etc.) As a compromise, I convinced ...
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0answers
8 views

Accessing multiple TV's from central location [on hold]

Currently our company wants to have messages display on TVs in three different locations. I am wondering if there are any smart TV models that can be accessed remotely to change the display such as ...
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0answers
30 views

Program isn't writing file to network computer

I'm trying to write a file to a computer on my network and it isn't working. I can write successfully to my local C Drive, but I'm getting no dice on the network folder. I am able to copy files to it ...
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27 views

Torrenting (from one specific computer) crashes the router

I'm having a problem where a few seconds after a torrent download starts (on a certain computer), our router crashes and reboots, everyone in the house loses connection. Here goes the computer's ...
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16 views

Incorrect Iperf Configuration? /Thorough Iperf Tutorial

I have a laptop (with Ubuntu) and a router (with OpenWrt). When I check the version for both, the laptop says I have version 2.05 for multithreads and the router says I have 2.05 for pthreads. Both ...
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2answers
29 views

Sharing external hard drive on a network (WINDOWS 7)

I will like to share a 1TB hard drive to users on my network and create users, set permissions to files and folders. But i'm having a hard time accessing the users on the network. As it is i can only ...
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1answer
18 views

Utility for monitoring internet usage in windows per process/application

I am using a limited internet data pack in my windows XP system. The problem is there is a background process or a malware which is eating up the data. I can see a continued internet usage, probably a ...
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34 views

VirtualBox networking (inception computing)

I am new to world of networking and now I am trying to connect 3 PC`s together. I have windows 7 host that runs Ubuntu64-bit server guest, that runs ubuntu32 server guest. Win7- Host Only network ...
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10 views

Getting memory error while adding static route on mac

I am on mac with two interface Wifi LAN 144.33.22.22 I want that one ip go through to different interface I did this sudo route -n add -net 172.22.33.22 144.33.22.22 Then i get this error ...
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20 views

Connecting to corporate VPN from China if blocked?

I am currently doing some remote work from China. The corporate VPN that I connect to occasionally will stop working for 30-45 minutes at a time, and I have no idea why. I was wondering if anyone had ...
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11 views

Initially can't connect to the internet, giving a waiting for 'ip' message

Since couple days ago, I have been having some problem connecting to the internet. When I try to open a website, and the problem occurs, it always says at the bottom of the browser: "waiting for (my ...
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0answers
18 views

Constant flow of SMB packets

My Windows 8 computer (192.168.1.105) is constantly trying to communicate to my Raspberry LAN SMB server (192.168.1.150)(which has a printer plugged in). And I'm seeing the following block of packets ...
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24 views

Is there a networked filesystem for Windows that doesn't suck? [on hold]

SMB / Samba is, shall we say, neither robust nor high performance. By comparison, NFS4 is reasonably OK. But the NFS client for Windows disappeared a few versions back, and is only available with the ...
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2answers
48 views

How to determine what type of wifi networks are supported by your driver on Linux

On Linux (specificially Ubuntu) what's the easiest way to determine what types of Wifi protocols your hardware and driver support? I have a router running DD-WRT that supports broadcasting in both a ...
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38 views

DD-WRT Web Access not working

I have an Virgin Media Superhub 2 in modem only mode with an ASUS RT-N13U working as a switch / wireless AP. I have DDNS setup through NOIP. I can't work out why the remote web access isnt't working ...
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1answer
37 views

How much time does TCP waits before retransmission?

If I have a window size of 8 KB, then when 8 KB are sent to the other side and no ACK has been received, TCP will not send anything more until an ACK is received. But what if an ACK is not going to ...
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0answers
328 views

wifi driver issue during Windows 10 installation

In my laptop there are two wifi drivers are installed one is broadcom virtual wireless driver & the other is dell wireless 1704 (802.11b/g/n) As I checked my pc for Windows 10 update the first ...
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0answers
19 views

Home wireless network with wireless storage setup guidance

I am looking to setup invest in a router to upgrade my home wireless networking. I currently have a USB 3.0 Harddisk and my plan is to be able to share over the home network. What are the possible ...
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14 views

a machine has three nic connected to different routers, how is information transferred/Requested?

In this situation, how does it connect to the network? How do my interfaces know to send requests
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1answer
44 views

Changing MAC address disconnects Wi-Fi

I am using OpenSUSE 13.2 with kernel 3.16.7-21-desktop x86_64. I am trying to change the MAC address of my system by using the following commands: ifconfig | grep HWaddr ifconfig wlp2s0 down ...
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0answers
16 views

Setting up ipv6/dhcp with duid

I've got an online.net dedicated server which runs fedora 22, KVM and a few other things, so I currently have it setup with a bridged network connection. My provider has given me a duid, and I'm ...
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2answers
22 views

netctl start asks for root password

Every time I do netctl start Newton (Newton is the name of my wifi network's profile) I get this message: ==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units === Authentication is required ...
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6 views

Edit nmap database for os detection

I try to discover a network topology by using nmap. Part of the job is detect device type. I want to add my device information into the nmap database (which is not available before). Of course, I ...
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23 views

What can I do to improve a business-oriented network that only has access to 3 6Mb/1.5Mb lines with 15-30 clients? [migrated]

I work at an e-commerce based business in a 16k warehouse. The only available ISP solution is AT&T, with each 6Mb/1.5Mb line costing $50 and fiber optic being an option for $800/mo at 20Mb/20Mb. ...
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0answers
10 views

HP Probook 6460b automatically disconnect wireless connection ethernet cable plugged [duplicate]

I am using HP ProBook 6460b laptop. I want to use both wireless and wired connection simultaneously. But when I am try to connect Ethernet cable on Ethernet port the wireless connection going to ...
0
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1answer
15 views

Ubuntu private and public network via static routing

I'm trying to configure Ubuntu to have a public and a private networking configuration. I have two NIC's, which both have an active connection. I've tried to use some routing rules, but I fail every ...
0
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1answer
11 views

Does to-link nano router speeds up the internet?

i want to buy a tp link nano router 150mbps , but before I want to know if it speeds up the internet , plz help me guys, and if it speeds internet how much will it become the internet speed of my ...
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2answers
72 views

How do I stop a simple DDOS attack?

There is a hacker who is mad at us, and has started a DDOS attack against us. I think he is a script-kiddie, using tools like DarkComet; the attack is probably simple. I host a server on my PC. The ...
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21 views

Ethernet LED blinks

I have HP 1000-1140ATU notebook PC. it has 2 Ethernet LED. One is White(glows when Cable is plugged and router is working.) second Orange which keeps blinking while Communication. Now my problem is ...
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16 views

Can I set a Mikrotik routerboard 951G wireless to cover a 3 story building and 480+ users? [on hold]

I am extremely new to wireless networking. I have a Mikrotik routerboard RB951G. Is it possible for me to set the wireless interface of my routerboard to cover a 3 story building with 40 rooms in ...
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1answer
22 views

How to configure telnet in Windows 8?

I want to use telnet to understand the working of web and networks. However, whenever I type telnet "URL" 8080, it shows Could not open connection to the host, on port 8080: Connect Failed. I work ...
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5 views

Cisco anyconnect add exception

My setup: I am having a D-Link DIR-600M wireless router. (firmware: 3.02) I am using Hathway service as ISP for internet. I am using "Cisco anyconnect Secure Mobility Client" to access my office ...