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

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What is the max. upstream rate of Annex A modem using ADSL2+ (ITU G.992.5)?

Sources show 1 Mbps up to 3 Mbps. So what? I'm not talking from Annex M which seems to support more (3 Mbps). I'm only interested in Annex A and values which where standardized (and not ...
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7 views

Windows 7 PC unable to connect to wireless router via USB

I have Windows 7, and I am trying to connect my PC to a wireless network. It doesn't have an internal card, so I use a Belkin USB stick. Occasionally, my connection will just drop. It won't try to ...
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1answer
9 views

Monitoring physical network traffic with a VM

How can I monitor the physical network's traffic through a virtual machine (VMWare or Virtual Box)? I'm running Wireshark in a Linux VM and I would like to monitor all the network traffic. However ...
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1answer
16 views

Linux Mint 17 Windows network shares

I have installed Linux Mint 17 Cinnamon on my desktop in an effort to migrate from Windows (and only keeping a VM with Windows) but soon I discovered that I can't see any workgroups after I click on ...
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0answers
16 views

Computers connected to same switch cannot access one another

I've connected multiple computers to a ASUS 8-port switch (all have IP address in range, mask 255.255.255.0, and same gateway). I use them mainly to RDP into one of the computers, which acts as a ...
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1answer
28 views

Are there any unmanaged gigabit switches available without indicator LEDs? [on hold]

I need to put a switch into my home theatre stack and am looking for something without blinking indicator LEDs. I’ve debated taping over them but that looks ghetto and actually requires some precision ...
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2answers
21 views

How can I find any additional DHCP servers that may have been installled on my network by an intruder?

See this question for background: Is it possible to hide one's presence from the DHCP client list nmap finds all connected clients for me, and I haven't had any trouble on this front since ...
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16 views

Virus messed with networking and cannot connect to the internet

I downloaded a program that ended up being malicious and compromised my computer. It installed a "Smartbar" Application and a few other applications that were probably keyloggers or something of the ...
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5answers
890 views

Why Ethernet/MAC addresses are needed?

I don't understand why Ethernet MAC addresses are needed. Can't all computers just be connected to the unified network and use IP addresses to communicate? For example, there is a following mechanism ...
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0answers
18 views

What are the inconveniences of replacing a router by a computer?

I need to manage the internet usage of all the computers (between 10-50) in a network with deeper capabilities than those that a classical router offers. I would like to have features like: ...
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1answer
23 views

2 NICS / Networks, 1 Gateway

I have a system that has 2 NICS... I want all traffic that is going out to the internet to go through 1 NIC. I have the Following setup currently. Internet > Router (192.168.2.1) > VPN Router ...
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6 views

Why am I getting “FATAL: Ident authentication failed for user ”root“” after changing rails server to port 81

I was running my rails app on the default port of 3000. I opened port 300 with: sudo iptables -A OUTPUT -o eth0 -p tcp --sport 3000 -m state --state ESTABLISHED -j ACCEPT and sudo iptables -A ...
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1answer
9 views

Can I connect many on-prem sites to the same virtual network in Azure?

Here's a scenario: I have two branches in my company. One in Toronto, the other in Montreal. I have an Azure virtual network containing a variety of resources. I want to connect both of my branches ...
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16 views

How to keep ppp up and running

I'm using a USB Cell Modem on a Arm SBC running Debian Jesse. I have a wvdial.conf file and a ppp0 file in my /etc/network/interfaces.d directory: auto ppp0 iface ppp0 inet wvdial It mostly Just ...
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2answers
14 views

Port forwarding from one router to another

I have two routers. One router (a Comcast modem/router) is connected to the Internet. The second router is running TomatoUSB and is in bridge mode, connected to the first router via its WAN port. ...
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9 views

What is the correct way of dealing with Windows Socket Error 10065?

First, i'll describe my platform. I use Windows 8, no AV, default firewall disabled. I get internet through PPPoE connection with pre-set IP, DNS, subnetwork mask and primary gate. Also i use ...
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1answer
25 views

Does Windows use UPnP to open/forward ports by default?

I've heard a claim that says that Windows (or Windows firewall) uses UPnP to open/forward ports. I'm aware of the possibility of configuring routers which support this via UPnP (e.g this one), but I ...
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0answers
12 views

Windows7 & Samba (Ubuntu 14.04 LTS) - error on change password

I have a fully working setup of Samba4 (non-AD) on Ubuntu 14.04.01 with Win7 clients. When a user tries to change his (samba) password from the Win7 client, an error 1351 occurs. No error messages in ...
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1answer
18 views

Limit Netgear Nighthawk AC1750 to given WAN IPs

I have a Netgear Nighthawk AC1750 router, and have SSH, HTTP, and several other ports forwarded to a server. It is not for public use, and will only be accessed by me. I've recently had 60,000 hits ...
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0answers
14 views

WiFi funny business => “One” machine can ping “the other” but “the other” cannot ping “one.” “The other” can browse “one” in explorer

So I'm at work and I need my private server (my personal laptop) to communicate with my team's assigned machines. I had Hamachi approved as a solution by all of our stakeholders only to have IT ...
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2answers
33 views

How to IPv4 through IPv6?

My ISP (Unitymedia Germany) tunnels IPv4 traffic through slow and unstable CGNAT (they call it "AFTR", which seems to be a similar thing) but comes with reliable and native IPv6. Now, is there any ...
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0answers
9 views

Assessing Performance in Process Explorer: Varying Block Sizes

I am trying to assess the performance of my scientific software using Process Explorer, with the files both locally on our blade server (Dell VRTx, Windows Server 2012) and over the network from ...
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0answers
3 views

SSH tunnel data from hostapd server to remote server

I've set up a small raspberry pi with hostapd to be a wireless access point. I'd like to have all connections from it ssh tunneled to a server in another country. I'm not overly sure how I'd do this, ...
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2answers
42 views

Why does a router need to know the modem's static IP address?

Background: I just ordered a static IP address from my ISP. I now have to configure my router to use the static IP, but I'm not sure why. Why does the router need to know the public IP address if it ...
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1answer
14 views

Chromebook no longer connects to Wifi

A few months ago I picked up a Samsung chromebook from a pawnshop for cheap and I just use it for things most people use a tablet for. Most of the time its just plugged in to my speakers in the ...
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0answers
18 views

Website hosting - Multiple websites [on hold]

Basically, I'm having some trouble understanding the following. I'm currently setting up a shared hosting account and having 2 domains on this (both use the same IP address). One of the websites is ...
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0answers
23 views

Is it possible to manipulate my WCDMA modem's code?

I have a WCDMA data card (WCDMA modem) that is used for Internet connectivity. Unfortunately it has been designed so proprietary that I cannot connect to any WCDMA other than the one who branded my ...
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0answers
13 views

monitoring download/upload traffic of every process running on a remote system

I'm looking for a linux tool for monitoring upload/download of each process of a remote system. I've found some like nethogs, but they don't do this remotely. As I don't trust the guest system I want ...
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1answer
16 views

How do I setup a wireless connection for a LAN to WAN build up between two Routers

Im an enthusiast in Networking & I like to play around a lot with wireless networks, LAN, Routers, Switches etc. Well he other day I came accross a setup wherein two routers could be wired ...
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24 views

I can enter my website using internal/public IP, but can't enter using my domain name

Couple days ago I bought another PC just for server purpose. I have already installed Ubuntu 14.04 LTS, LAMP, Mail Server SSH Server (or Service?), also PHPMyAdmin, Webmin and TeamSpeak 3 server. ...
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0answers
11 views

How to install pktstat on centos7?

I am trying to install a package called netstat but I can't, I tried downloading and installing rpm file, but it was no use I tried making repos but I don't know if I am doing it the right way. Any ...
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1answer
16 views

How to route a Router's wired WAN through my PC's Wireless LAN?

I've got an old Cisco WRT54GS router that I'm wanting to use to create a "experimenting" network. [ I want to packet sniff my 3DS, basically ]. My desktop has a wireless card that I use to connect to ...
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46 views

Adding Guest Wireless/Wired Network on Separate Subnet

I currently have a 300Mbps wireless router (TP Link WR841N v9) hooked up to a cable modem. This provides internet access for my home network (tablets, desktop, laptops, printer, etc.). I want to set ...
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1answer
33 views

Cannot ping or ssh from lan to virtual machine

I have next setup: My home lan = 192.168.1.0/24 My virtual lan = 192.168.207.0/24 My laptop = 192.168.1.109 (dhcp OS=Windows7) My desktop = 192.168.1.206 (fixed ip OS=Windows8) My virtual machine ...
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1answer
22 views

Why are my routes being removed/replaced when connected to vpn?

Since I work on customers sites and most of the time I need to be connected to my company's network (vpn), I usually create routes to access customers servers. However, sometimes when I'm connected to ...
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2answers
26 views

No internet access unless connecting through VPN/proxy - How can this be done?

At work, our computers are set up so that you can't access the internet unless you authenticate with an http proxy that is configured using wpad. I want to have something similar for my home network ...
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10 views

Intermittent VPN connection in VM

I have a Virtualbox VM running Ubuntu inside a Win8 host, using NAT for networking in the VM. I'm connecting to a Cisco AnyConnect VPN client on my host. The VPN connection works fine on my host ...
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1answer
23 views

Unable to connect to my router admin page

Initially I browsed to http: //192.168.1.1/, entered the username and password and went to the "access control" subsection of the "management" section of my router. (An UTStarcom WA3002g4 modem of ...
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1answer
12 views

squid listen on out interface

I have a Debian box with squid3 installed on it. My box has 2 interfaces, one connected to the internet (eth0) and one connected to the LAN (eth1) Here is my /etc/network/interfaces auto lo iface lo ...
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1answer
16 views

Windows XP VPN Server with Static IP in a VM

My network is in a small business network environment. 1 48 port switch, business grade modem, 30+ computers. Lets say I want to VPN to one of our static IP addresses. These computers all use the ...
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0answers
17 views

How to add two IP addresses to an interface through batch file

I have assigned a IP address to my LAN interface through I tried this netsh int ip set address "LAN" static 192.168.0.99 255.255.255.0 192.168.0.1 now I want to add 192.168.4.20 with gateway ...
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1answer
34 views

I am supposed to get download speed of 150KB/s but I am getting 10MB/s for some sites. How come?

I have a 1 mbps connection which means I should get around 130-150KB/s download speed. Which I do. But in case of youtube I download videos at 1Mb/s or more. In case of torrent, I often get 5-10MB/s ...
0
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1answer
24 views

Asus Router RT- N12 D1 not connecting with pppoe

I have just bought a new Asus RT-N12 D1 router and trying to configure it. My ISP support PPPOE connection and i have a user name and password. when i use the same use username and password to connect ...
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1answer
29 views

What does “country” shows for WiFi router? [duplicate]

When I scan WiFi with Wireless Diagnostics tool on Mac OS X (Window -> Utilities -> Scan WiFi), it shows a lot of information about WiFi routers around me. I realize that some routers have "JP" in ...
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26 views

Route all packets on port 80 from inside a vm to kali linux on another vm

I'm trying to route all packets on port 80 to kali linux so that I can ssl strip them but I cannot see to setup the iptables correctly to force all the packets to go to my other Vm. [ Virtual Machine ...
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1answer
20 views

Using two lan cards, VPN

I am using a VPN software (Private Internet Access), which is installed in my PC and it works fine. But i need to use the converted internet connection on a device like xbox. it was configured a while ...
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1answer
11 views

OpenVPN - errno=36 when connecting

When attempting to connect to the vpn, it seems to fail almost instantly after connecting. The logs below state that the connection response is getting blocked somehow by the proxy. Oct 21 10:55:17: ...
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1answer
23 views

What is the proper way to debug a slow internet connection?

I turn to super users for their best tips. Consider the following scenarios: A large house with many roommates with many devices and no way to tell which one is the issue Skype choppy, youtube ...
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0answers
40 views

Why doesn't my router let me forward ports outside of 192.168.x.x range?

Simple task: I want to forward port 80 on my Linksys router to a server with an IP address on the network that is NOT in the range 192.168.x.x (or whatever the default range is for the router). ...
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1answer
17 views

Connection refused only locally. Access from outside works

I have raspberry pi with raspbian. Lighttpd and sshd worked fine, but a few days ago they started to refuse connections from local network PuTTY and Chrome connection to local IP gets refused. ...