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

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6
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2answers
6k views

LAN connection - DOS to Windows 7

Hello community, This is my problem: I'm trying to connect a DOS-machine to a Windows 7 computer, using a LAN-crossover-cable - and it won't work. I want to access a shared directory on the ...
0
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0answers
8 views

Unusual connection issues

As I said in the title I'm experiencing unusual problems with my internet connection. The network freezes each several seconds for about 1 second. I attach a picture that precisely shows what I mean. ...
3
votes
0answers
49 views

Is a longer WiFi antenna better?

Is a longer wifi antenna better? Why do WiFi antennas have different length? This concerns only the usual (rubber duck type) antennas used in stock routers and adapters. There are other types of ...
0
votes
0answers
15 views

Website won't resolve via my IP but will via proxy

This is probably a really basic fix, but I've tried various posted solutions to no avail. Essentially, my domain loads a cached version of the website if I view it from my own IP, but if I go via a ...
1
vote
0answers
22 views

Why does a radio stream not appear on a packet monitoring tool?

I am currently trying to find the URL to the audio stream for a webradio that only provides a flash player, that I would like to use with MusicBee's radio reader. After using Wireshark to monitor my ...
0
votes
1answer
32 views

Need clarification for Sonicwall “Public Server” wizard NAS policies

I used the SonicWall TZ105 "Public Server" wizard to add NAT policies for an internal (non-DMZ) server, but I do not understand the need for all the Custom policies that resulted: # Source ...
0
votes
0answers
9 views

My VPN trips out my internet connection

When I try to connect my VPN my internet connection seems to trip. I have pinged google.com and my router and everything is fine. I have it connected to Linux Ubuntu also and it is working fine in ...
0
votes
0answers
3 views

Networking not working on Packer created Ubuntu VirtualBox VM

I'm trying to build a VirtualBox Ubuntu VM using Packer, without using the Vagrant post-processor unlike most of the examples out there. My image was successfully created and I configured it to use ...
0
votes
0answers
14 views

missing remote desktop on win 7 ultimate

Have a computer running Win7 Ultimate. Having issues using remote desktop as in doesn't seem to exist. Doesn't have the shortcut on the start menu, nor can I find mstsc.exe doing a search on the C: ...
0
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0answers
95 views
+50

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 ...
0
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0answers
6 views

CoreOS cluster won't update hosts and is out of sync

I have recently been testing a CoreOS cluster out, running over DHCP, which worked fine and even the cluster migration of fleet units were working properly. Then I decided to set static IP addresses, ...
0
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0answers
3 views

How do you tell the linux network traffic control system to apply fair queueing across a set of traffic classes?

I've been skimming the Traffic Control HOWTO and it appears to have SFQ for dividing bandwidth evenly between flows. But my boss is interested in dividing bandwidth fairly (and/or weighted) among ...
0
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0answers
18 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 ...
1
vote
1answer
3k views

Cannot get an IPv6 address on Debian

I am using Debian 7 with the newest updates. I have a block of IPv6 adresses from my provider and, according to the provider the DHCP server is setup so that I should get an ip automatically (I even ...
0
votes
0answers
11 views

How to set up a VPN server on Windows 2012 R2 that can be connected from the internet?

I have a Windows 2012 R2 server in my office. It has internet access. Is there a way that can let me to use that server as a proxy server when I'm not in the office. Ideally I hope it can be used by ...
0
votes
0answers
6 views

port forward from host to libvirt guest virtual machine that is bridged to the host nic

I am having no luck getting access from the outside to a http server running on my network in a Debian virtual machine that was created through libvirt. This what my network looks like: PC1: running ...
0
votes
2answers
6k views

Can ping device from one computer and not the other

I've recently been assigned to work on a diagnostic program done in C++ which communicates with a piece of electronic equipment. Our normal scenario involves communicating via an RS232 interface, but ...
0
votes
0answers
11 views

Cannot setup wireless client between a Digisol & a Dlink Router

I have two routers one is a Dlink DSL 2730 U & the other is a Digisol DG HR 3400 Router/Repeater -l. The Dlink Router is an Access Point with a public IP address assigned to it. On the Digisol ...
0
votes
1answer
30 views

Can I “simulate” a virtual network PC

I have to test a program on my PC that retrieve a path from a DB and then work on files on this path. The problem is that this path refers to \\STORAGE-AREA\etc and in my network there isn't any ...
-1
votes
1answer
11 views

Switch connected to router. How to deal with port forwarding?

I have a dsl router which a 8 port switch is connected to it. If I connect computers to the switch how would I manage port forwarding in this setup? is it possible? would it be recommended in a ...
-2
votes
1answer
36 views

How to determine remote PC network address?

Let's say I have two PCs connected with ethernet cable. No NAT, VPN, routers ... nothing, just one cable with two PCs connected to both ends. For example PC1 could have an IP 192.168.1.1/24 (actually ...
1
vote
1answer
4 views

Mac as a wifi hotspot using 802.1x auth

I am trying to use my Mac as a wifi hotspot. Currently, Im running Yosemite on it. The internet connection is through en0 and the local connection is through en1 network interface. Now, I want to ...
3
votes
3answers
11k views

How to get IP address of all users on a network on Mac OS X

There is a similar question here, but it doesn’t answer some of my questions. The biggest problem is it says to fill in “MyOtherMac” with the name of the other computer found in the first step. The ...
1
vote
4answers
9k views

Determining IP Address of device connected to network

In the "Network" section of Windows 7, I can see a new device connected to the network. I'm not sure what that device is , so I intend to block it from the network at the router level - mostly to see ...
0
votes
2answers
2k views

arp requesting to another subnet, how?

I’m wondering if I have a computer in subnet A with IP address 192.168.123.1, and a computer with IP address 192.168.124.1 in a different subnet. Both networks are connected with a router. If I want ...
0
votes
0answers
9 views

Does wpa_gui need wpa_supplicant to initialize first to work properly?

I am using Linux on a custom board based on the Freescale MCIMX6Q-SDB (armv71). I installed wpa_gui, a GUI for wpa_supplicant, on the custom board. I'd like to know if I have to initialize ...
0
votes
0answers
5 views

XenServer Private/External Network in VMWare Workstation

I am learning XenServer and have created a little project for myself that I am having trouble completing. I have a VM AD server in bridged. This has a static ip that is part of my physical network. ...
0
votes
0answers
8 views

resolv.conf keeps getting overwritten when dnsmasq is restarted, breaking dnsmasq

I'm running Debian Jessie and I'm trying to configure dnsmasq as a caching DNS server. I used a guide to come up with the following /etc/dnsmasq.conf: listen-address=127.0.0.1 bind-interfaces ...
0
votes
1answer
31 views

Unable to SSH to internal IP

Read a few related questions here and here. The situation is as follows: assume that I have a computer A and computer B. I am able to ssh to both computers when by setting Port Trigger and Single ...
0
votes
2answers
30 views

I can't find my modem IP at all

Every tutorial I've found so far help me find my router IP but I need my modem IP as well. I have two devices, a wifi router and a dsl modem, not 2 in 1. The ipconfig -> default gateway, returns the ...
1
vote
3answers
79 views

can't remember what ip address of a router set up as an access point is

i tried to set up my belkin n+ router as an access point a month ago, but failed, and regrettably failed after i had set it's ip address, which i can't remember. so now it appears bricked, as i don't ...
0
votes
0answers
8 views

ethernet usb adapter ax88179_178a, ARP captured with 62 bytes

While debugging some l2 protocols on an ethernet usb adapter (chipset ax88179_178a) I noticed 2 bytes from Frame Check Sequence (FCS) are promoted to user data. Dump of the arp frame 60 bytes is now ...
0
votes
1answer
11 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
vote
0answers
53 views

Multiple Gateway, for VPN and Internet

I'm pretty new as a system administrator and I've got a problem to deal with in my company. We recently got a VPN and it is working great, I already tested it and all is good. Now in my main site, ...
0
votes
1answer
15 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
15 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 ...
14
votes
1answer
1k views

Pinging different IP address than what I entered

Can anyone please explain why CMD pings a different IP address than the one I am searching for?
0
votes
0answers
24 views

Install Windows 7 64bit over network

I am trying to get our computers and network setup to where i can re-install (or fresh install) windows over our network. All our computers get set up the same way with the same software. I would like ...
-1
votes
1answer
28 views

Setting a system for university dorm voice communication [on hold]

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
1answer
15 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
0answers
13 views

How can I share the Wireless connection across my LAN, and still access LAN locations

At the moment I have the following setup (all windows 8.1, router: BiPAC 7800N): Generally, 50-60% of the time, I use the router to connect to the internet (1.5mbs), but usually when working I ...
0
votes
1answer
19 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--> ...
2
votes
5answers
3k views

DNS lookup fails after resume from sleep

My Windows 7 Ultimate x64 PC has a strange networking issue. When I resume from sleep, no web pages will load (other programs such as Hamachi VPN are also unable to locate their servers). If I use ...
0
votes
1answer
39 views

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

I have two routers: A is a Samsung CY-SWR1100. B is a Bless ZIO 9500GD. Both are capable of both wired and wireless connections. I have disabled wireless features on A, and connected B's uplink to ...
0
votes
2answers
5k views

My laptop can't access files from my desktop

Here is my problem. I have a desktop, a laptop and a typical router. The desktop is connected through wire and I connected my laptop wirelessly. I can access my desktop files through my laptop, but I ...
3
votes
10answers
47k views

How to find how many hosts are on subnet mask: 255.255.255.252?

I have Wireless Internet with a USB modem and got what seems to be a Class A IP allocated (first byte is decimal 10). ipconfig /all shows a subnet mask of 255.255.255.252. I know that the ones are ...
1
vote
2answers
2k views

SSH error ssh_exchange_identification: read: Connection reset by peer

I am trying to access ssh to a server but got "ssh_exchange_identification: read: Connection reset by peer". The same client works well when I move the computer to home but show the error when the ...
1
vote
0answers
18 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 ...
2
votes
1answer
36 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
0answers
16 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 ...