For questions on connecting devices together so that they can communicate with each other, as well as on networking equipment such as routers and switches.

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3
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1answer
176 views

Restricting certain printers to certain programs

At my place of business, we use desktop PCs as Point-of-Sale units as well as workstations. We have two networked laser printers (standard letter size) in the office as well as receipt printers at ...
0
votes
0answers
32 views

Network kBit/s drops to 0 intermittently

I am streaming live video to a server on my PC, now and again the video stream would freeze. When looking at the output from nload the network speed seems to drop to 0kBit/s for a second and then ...
0
votes
1answer
72 views

Hide HTTP Destination with a Raspbery Pi

I wanna realize some kind of WebServer or Proxy on my Raspberry Pi that hides the real http requests from any firewall. Following scenario: computer@school --Request--> myRPi --Request--> ...
0
votes
1answer
29 views

The best way to setup port forwarding

I have a situation when I want to connect from Windows machine to a web server running in virtual machine in Linux host. For this I would like Linux host to listen on a certain port and redirect it to ...
0
votes
1answer
148 views

Windows 7 / VirtualBox / VMWare : DNS : local name fails - not even DNS lookup, FQDN works

My problem in short: Entering http://app01:8084/ into the browser does not find my server. Entering http://app01.my.domain.com:8084/ does work. With the localname Wireshark not even captures a DNS ...
0
votes
1answer
79 views

Two routers at home, is there any intrinsic property that could differentiate networks?

I have two routers at home. I shall call them A and B. Both are capable of both wired and wireless connections. I have disabled wireless features on A, and connected B's uplink to A's downlink. I did ...
1
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0answers
88 views

Can I connect to a remote desktop computer to make a call using a home telephone landline number?

I am living in country B, I own a residence in country A where my family lives. There is a desktop computer that I remotely access and use through TeamViewer. Can I use that computer to make calls ...
0
votes
2answers
441 views

How to configure Sophos UTM to mask an internal ip with a DNS name

I have a CRM software which runs on Apache on a separated network at a 10.10.10.10 ip while my local network is at 192.168.1.0 range. I also have 10.10.1.0 range for VPNs which are only can connect ...
-1
votes
1answer
34 views

Setting a system for university dorm voice communication [closed]

I'm interested in setting up a system which would allow students in my university dorm to communicate to each other freely. Not sure if we can use existing wifi-routers installed in our hostel ( ...
0
votes
0answers
408 views

What is port 1001 used by NT Kernel & System on my Windows 7?

Sometimes i make ssh tunnel which listen as sock proxy on port 1001. But lately i can't bind to this port. Apparently this port already occupied. I can bind to any port for my ssh tunnel. But I'm ...
0
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0answers
135 views

HP ENVY 5530 e-All-in-One Printer seemingly not connected to Wi-Fi… Yet somehow is?

I am struggling to figure this out. When I attempt to print from my Mac running Mac OS X 10.10 (Yosemite) it says it is not connected. On the printer—an HP ENVY 5530 e-All-in-One Printer—it says it is ...
2
votes
1answer
125 views

Probing a port for RDP

I use an ssh tunnel to RDP into my home computer ("home"). Occasionally, the tunneling software running on home crashes and the RDP port stops getting tunneled. I've attempted to resolve this by ...
0
votes
1answer
258 views

What is the proper way of setting up two IP’s with one domain name?

I have two Ubuntu Servers (S1 & S2 for example) on two different public IP’s (static & are in different locations). I got a domain name from GoDaddy. Lets call it, example.com. I have setup ...
1
vote
1answer
22 views

view shared folders for only users who shared with

I shared a lot of folders in my PC , every folder with only one person, when everyone enter to my computer on network, will see all folders that I shared. and this will be confusing. becaus person ...
0
votes
1answer
134 views

Can't connect to IPSec VPN via D-Link DIR-100 router

I am trying to connect to VPN via Cisco Systems VPN Client with IPSec/UDP transport, but I am getting error: Secure VPN Connection terminated locally by the Client. Reason 412: The remote peer ...
0
votes
0answers
49 views

LAN network freezes

I have three Ubuntu computers connected to a router. Everything's OK, both have internet conections running well and can connect via ssh to each other. In one computer, I usually launch a softwared ...
0
votes
1answer
59 views

Know username who is working on remote desktop

We are a team of 20 people we have a machine that is used by everyone. We take remote desktop of that machine to work on. so if somebody is working and i want to take that i have to ask everyone in ...
0
votes
1answer
103 views

No networks found upon returning to original location

The oddest thing is happening with my network connection. I can work on it fine at home, and then I bring it to school and it connects automatically to that network too. But then when I get back ...
0
votes
2answers
127 views

How are Internet connections differentiated from each other by an operating system?

Given this example, how would my operating system differentiate between each request. Let us say I have 3 tabs open, and at the same exact time, they all go to http://google.com. How would my ...
0
votes
2answers
42 views

How to connect to my web server?

I have implemented a simple web server as a solution to a course assignment and I want to connect to this web server over the internet. I've set it up to listen on port 22881 and configured my router ...
1
vote
3answers
3k views

How can you calculate IP address subnet ranges?

If you're given: Number of needed subnets: 2 Network Address: 195.223.50.0 I can answer the following: Address Class: C Default Subnet Mask: 255.255.255.0 Custom Subnet Mask: ...
2
votes
1answer
72 views

Dual Ethernet port PC routing issue

I have two ports on my PC. I have configured them on two different subnets. Eth#1 connects to the internet thru a Comcast router. Eth#2 is normally disabled unless I want to use my VPN router to ...
0
votes
0answers
187 views

Public IP address port forwarding goes to my router's homepage and not my laptop’s server

I am trying to turn my laptop into an internal server to be accessed from anyone on the Internet. But whenever someone types my public IP address into their URL bar it sends them to my router’s config ...
0
votes
0answers
205 views

Localhost webpage not available on LAMP over Mac OS X 10.10.1

I am trying to setup LAMP on my Mac OS X 10.10.1 I configured localhost folders including /Library/WebServer/Documents/, /etc/apache2/Users/username.conf and Sites folder. A telnet localhost 80 ...
0
votes
1answer
456 views

CheckPoint VPN plugin returning “The server returned an invalid response” in Windows 8.1

Our customer provides a Checkpoint-based VPN. My workstation runs Windows 8.1 Pro with the built-in VPN plugin for Checkpoint. I have IP address of VPN and its credentials. I have followed the ...
0
votes
0answers
209 views

Windows assigns the same COM port to two identical USB devices

I'm trying to plug-in two identical USB devices to different USB ports on my laptop, but Windows' device manager displays only one assigned COM port for both so I can't distinguish between the two. I ...
0
votes
1answer
333 views

Is it safe to use TOR on windows? [closed]

I mean, can I be hacked just by browsing regular sites (not the hidden services) with TOR browser bundle running on a Windows system?
1
vote
1answer
370 views

Cannot access windows7 hosted network from lumia 630

I have created a hosted network in my windows7 system. But my Lumia 630 but my phone can't connect to this except once(when I started the hosted network first time). Every time when i try to connect I ...
0
votes
1answer
56 views

Server 2012 R2 on a single server running AD and DNS

Is it possible to configure the DNS server to get to both external and internal domains with the same name? Have an ISP handling web site with the same domain name as my internal domain. DNS server ...
0
votes
1answer
19 views

How to find who's dropping the connection?

When an IP address is accessible by one machine on one ISP but not another machine/ISP, how can you determine where along the path the issue lies? Is it possible to determine whether it's the ...
0
votes
1answer
219 views

Slow internet connection speed compared to other hosts in the same network

My home network consists of an ADSL modem, directly connected to the Internet, and two laptops, connected to the modem using wireless cards. One of the laptops uses Microsoft Windows 7 and the other ...
1
vote
1answer
39 views

Port forwarding from one router to router, then to a machine on the second router

I have a combo modem/router provided by my ISP. I plugged a second router into this device because the wireless speeds were subpar. Now I am trying to set up a home media server that is accessible ...
0
votes
2answers
112 views

Is it possible to reboot a Samba NAS device (Cisco/Linksys NSS4000) using telnet?

I have a Samba NAS—Cisco/Linksys NSS4000—that I cannot connect to using UNC paths or drive mapping, and I cannot access the built in web application. But I can ping the device by it’s IP address as ...
0
votes
1answer
152 views

Bittorrent client makes multiple connections upon its start to amazonaws

I have this weird situation that every time I open my bittorrent client application, upon its start, it starts to make a lot of multiple connections(more than thousands) to amazonaws servers and as ...
0
votes
1answer
103 views

OpenVPN: client to LAN

I set up an OpenVPN server on a Debian machine under my router. I port forward all UDP 1194 connections to the server, and I am able to connect successfully from my windows machine using the OpenVPN ...
0
votes
1answer
74 views

No eth* interface

I have no eth0 interface (or eth1). ifconfig -a lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING ...
0
votes
2answers
151 views

WAN Bypass - Working over short cable, not Ethernet in wall

Aim I have an existing WiFi router and network, with both wireless and wired devices. However, I need to expand the size of my WiFi network. I have an Ethernet connection between two parts of my ...
1
vote
2answers
1k views

Why does Google think I’m in Korea from every device on my home network when I am in Canada?

I’m not sure when this started happening but every device (e.g. laptop, phones, tablets, etc…) at home, Google thinks I’m in Korea when I’m actually in Canada. I tried using Geo IP Tool to ...
0
votes
2answers
51 views

Accessing files on a Windows 7 Professional laptop from a Windows 8 desktop

I recently purchased a refurbished laptop running Windows 7 Professional. I also own a desktop running Windows 8.1. I want to have access to all the files on the Windows 7 Professional laptop—less the ...
0
votes
0answers
638 views

HDHomeRun device connected directly to ethernet port on computer but accessible through router

Ideally I'd like to connect my HDHomeRun device directly to my desktop computer's ethernet port, but if possible I'd also like the HDHomeRun device to be accessible from other computers on my router's ...
1
vote
1answer
3k views

How do I set a static IP address for a particular MAC address on a Cisco DPC3825 router

How do I set a static IP address for this router: http://www.cisco.com/web/consumer/support/modem_DPC3825.html so that a specific MAC address always gets the same IP address.
1
vote
1answer
1k views

Cannot connect to sql server express over host-only virtualbox interface

I have set up sql server express 2014 in a Windows 7 virtualbox guest, but I cannot connect to it using the jTDS JDBC driver from my Ubuntu host. I get a Could not retrieve database information error. ...
1
vote
2answers
108 views

Is it possible to give priority to browsers on a router

i have a TPlink WR940N router and i want to give bandwidth priority to browsers. since some users download large files using download managers, i don't want other users who just browse the web to be ...
1
vote
0answers
62 views

Making home server available from internet

I'm trying to configure router to make my home server available from internet. I would like to have 2 services(ssh and web-server) visible from outside. They are available from inside as: 192.168.1.X ...
2
votes
1answer
58 views

Custom nameservers over wifi hotspots with initial web login

I have built a portable router using a raspberry pi. My setup works, unless I connect to a hotspot that requires some kind of web based login. After some investigation, I think I've tracked it down ...
0
votes
1answer
45 views

How can I print to a printer connected to a computer over my LAN

I have a printer connected to one of my computers (computer A).The computer is connected to my LAN. There are two other computers on my LAN (computer B and C). I want to print from computer B and C to ...
0
votes
0answers
248 views

Windows 7 constantly loses and regains Internet connection

I have a nettop with Windows 7 Pro on board, connected directly to a simple, four port router with ADSL modem on board, provided by my ISP. After starting up or restarting nettop, it works fine. ...
0
votes
0answers
297 views

Linux - how to connect from local machine to local server using its public IP

I have dedicated machine (Debian) where are running some servers (CS:GO, but it doesn't matter). I need to connect to them from this machine using their public IPs instead of local IPs. Machine is ...
0
votes
1answer
71 views

How to connect to internet over VPN raised on virtual machine?

I have an PC running Ubuntu, that is connected to the network of my internet provider. To access the internet, one must make a connection using l2tp or ppp, which I have failed to configure on Ubuntu. ...
0
votes
0answers
904 views

On Windows Server 2012, I cannot connect with IE, but telnet or powershell works just fine

On Windows Server 2012R2, I have the following issue: I can ping my other (Linux) server I can telnet into it on port 80 I can send a GET /url/ and I receive a response with html (in telnet) I can ...