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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8
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5answers
5k views

How can I use my server's IPv6 connection from my computer's IPv4?

I have a server that has IPv6 and IPv4 support. I would like to use this to allow my desktop, which has an IPv4-only connection, to connect to other servers via IPv6. What type of software is ...
2
votes
3answers
7k views

Cant get squid proxy to work

i need squid proxy on my centos server. But i just can't get it to work. I did yum install squid. Here is my squid.conf file (i removed all comments): acl all src 0.0.0.0/0.0.0.0 acl manager proto ...
1
vote
2answers
2k views

Powerline Networking - can I just add another adapter

I currently have a pair of NETGEAR XAVB2001-100NAS Up to 200Mbps Powerline AV 200 Adapters. Can I just add a third unit upstairs (like http://www.newegg.com/Product/Product.aspx?Item=N82E16833122361, ...
3
votes
1answer
3k views

How can I use Windows Firewall to only permit the Windows Update service to make an outbound connection?

I'm trying to tailor my Windows Firewall settings (using the Windows Firewall with Advanced Security console) to only permit programs that need to access the Internet with an outbound connection to do ...
6
votes
3answers
122k views

How do I install a network printer for all users on a Windows 7 computer?

I have a Windows 7 computer. There is a second computer (Windows XP) that has a printer attached to it and is shared. On the Windows 7 computer I install the printer as a network printer (not TCP/IP ...
4
votes
5answers
10k views

VirtualBox: Set Network Adaptor for exclusive use of Guest VM

In a previous question I asked how to configure m0n0wall in a VM. Now I would like to set a network addaptor in my machine to be used for the guest VM only, that is, not allow any traffic from the ...
16
votes
5answers
60k views

how does 'ping' command really work?

How does the ping command really work? Specifically where does the ARP (Address Resolution Protocol) come into picture? I was asked this question in an interview and I was not able to come up with ...
0
votes
1answer
558 views

VPN help for Android

I have an Android application that talks to a server app running on grails (Groovy on Grails). Android app basically establishes a connection with this address: url="http://192.168.2.53:8080/tma/...
0
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2answers
3k views

How do I setup Remote Desktop using DDNS service connecting through Vonage Device into Dlink DIR-615?

I am attempting to setup remote-desktop such that I can connect to my home PC using Windows Remote Desktop software. I have the following setup: Cable Modem (Motorola SB 5101). Cable Modem connects ...
1
vote
2answers
1k views

Wireless network optimization in a long/wide single family brick house

I live in a rancher-style house in the US (for those not in the US, just a single level home that is usually a bit wider than it is deep). There is an extension on the house that extends past the ...
0
votes
2answers
182 views

Sandbox wireless devices from wired ones

I was wondering if there was any way with a typical home router (for instance I have a Linksys WRT160N) to create a wireless network which is essentially sandboxed from the rest of my network. ...
0
votes
0answers
91 views

Mysterious packet loss

Sender station: Receiver station: The two computers are directly connected one to another without any switch or router. Netstat gives no clue what is happening. Amount of received packets is ...
1
vote
1answer
5k views

Prompt for credentials in a batch script

I am trying to perform a network copy of files via a batch script. However, as usual there are some networks where the 'copy' command fails saying 'Bad username or password'. And when I try using ...
2
votes
2answers
1k views

Why does my tracert output not match my ipconfig?

When I ran into some intermittent Internet connectivity issues the other day at home, I decided to do something I rarely bother with - I plugged my laptop directly into the cable modem to see what was ...
0
votes
2answers
591 views

apache server on virtual box ubuntu machine

I have a windows xp machine running ubuntu off of virtual box. I have an apache server running on the ubuntu machine. I have already setup the port forward on the virtual machine, so if i go to ...
0
votes
1answer
125 views

how to set static ip in windows wireless settings

I don't want my wireless router's automatic DHCP. I'm using Windows XP; how can I connect to the router with a static IP?
0
votes
2answers
2k views

Block internet access except for a Virtual Machine and Windows Update

My brother has a laptop (using Windows 7) that he really wants to keep secure. Originally, he was not going to connect it to the Internet, but I suggested that I could probably set up a Ubuntu virtual ...
2
votes
3answers
5k views

How can I link two routers together wirelessly?

I'm sharing the Internet with a neighbour (I pay a bit of the cost). Unfortunately the connection only works well in certain areas of my house (those places closest to the wireless router.) I want to ...
2
votes
1answer
2k views

Extend display over network on linux with VNC

Sorry if this has been asked before, but I have extensively searched for an answer and found none that meet my requirements. What I need is a program that will extend a X-windows display over a ...
0
votes
2answers
380 views

How would I go about knocking someone off my home internet?

Is there a way I can see who is accessing the internet on my network and block them? I am connected through Ethernet and there are 2 laptops connecting though the network via wifi, and it is the ...
0
votes
1answer
207 views

Prevent scp to .ssh folder, Public Key Authentication security

I really know exactly know how to best ask this best and is taken care of in the backend, but I have recently delved into the world of public key authentication over ssh. This led me to wonder about ...
1
vote
3answers
338 views

Static IP Address through multiple routers

I should know the answer to this, but I don't think it can be done. I have been requested by work to provide a 'static-ip' address, but I'm not always on the same router as I travel quite a bit. ...
5
votes
2answers
13k views

Problem with persistent routes and VPN connection in Windows 7

My home PC has a VPN connection to my office. The office network is firewalled, with a secure zone on 192.168.0.* and a DMZ on 10.0.0.* From outside, www.mycompany.com routes to a public IP - say 1....
0
votes
1answer
951 views

What is the difference between hostname suffixes .local and .lan?

Why do other computers on my home network sometimes resolve as xyz.local and other times as xyz.lan ? I have a NAS device that shows up in Safari Bonjour bookmarks as xyz.local. I've copied a direct ...
3
votes
1answer
3k views

How can I hide my network activity from monitoring?

Is there any way to hide my activity on the network? My network administrator monitors our network activity, specifically chat.
0
votes
1answer
515 views

Network Suggestions - current setup diagram provided

I have my home network setup like this: I'd like any suggestions on the setup in general. Specifically I'm looking for suggestions on how to open up AFP access to my NAS from the internet. I'd ...
2
votes
1answer
2k views

Asus RT-N12 router + modem, my ISP needs PPPoA but the router only seems to do PPPoE?

Any idea what's going on here? I plug my modem into the router, and apparently to configure it I need to put my settings into the router, but PPPoA is not in the dropdown, only PPPoE and PPTP. What do ...
0
votes
2answers
1k views

Why netstat/TCPView/CurrPorts lists processes as unknown?

I'm trying to record data of all the processes that establish connections from my PC for security issues, I tried to do netstat -bn 1 > stats.txt, also tried to make a log file with CurrPorts, TCPView ...
1
vote
2answers
431 views

Is this firewall completely secure?

I'd like to know if there's any holes/flaws in this firewall setup. I want to lock down the server as much as possible so it is impossible to hack in to. The only services running are openvpn and ssh. ...
2
votes
2answers
111 views

How can I restrict Windows device download/upload rate

Is there a way I can restrict the max upload and download rate on Windows 7 to reflect 100kb/s up/down?
0
votes
1answer
11k views

Solid amber led on NIC, able to connect to the internet but can't ping a few local computers?

I have one PC that has a solid amber led light on the NIC where it should be green. The PC can access the internet fine but can't ping a specific host on our network. The host she can't ping CAN ping ...
0
votes
1answer
912 views

Why does MacBook Pro keep disappearing from Windows network?

Running OS X 10.5.8 on an old MacBook Pro on a wireless network. It might be relevant that I recently upgraded the wireless router and the DHCP-assigned IP addresses changed. Before that, everything ...
4
votes
2answers
15k views

Connecting via ShrewSoft VPN client means no LAN internet access (Windows 7 64 bit) - any advice please?

I have a Windows 7 64 bit desktop machine which is connected to a LAN. I recently installed ShrewSoft VPN client v 2.1.7 on my machine so that I can connect to a license server hosted by my customer. ...
1
vote
3answers
780 views

Computer without antivirus on network

Theres an older computer in my home which we don't have connected to a network so it doesn't need an anti-virus and a firewall. Is there any way I can secure this computer from the outside (i.e. on ...
3
votes
1answer
4k views

Find hostname from NetBIOS name

I have the NetBIOS name of a remote computer, and I want to find its hostname (I'm in a LAN has a DNS server), or the IP address (I'll do a nslookup to find the hostname). A Google search told me to ...
0
votes
1answer
171 views

Can I make a roaming profile on a network as a local computer admin?

I am currently in a position where I have an account on a Windows network. I was trying to make another account like this, which currently has local administrative privileges. I was trying to make a ...
1
vote
1answer
488 views

Bridging NDIS into local LAN

I'm out of my depth here. I'm currently accessing the internet on my desktop PC via an NDIS USB connection to my cellphone which is accessing the internet via 3G. I'd like a laptop to also share ...
2
votes
4answers
3k views

2 WAN to LAN, What router do I need? [closed]

I did CCNA a long, long time ago at school, and now I need to use it. But as you know, you forget things quite easily when not using them. :P Ok, I need a router that is able to be connected to 2 WAN ...
2
votes
1answer
13k views

Using my PC as a wireless bridge

I'm not sure how to go about this; hence the question. My home office is placed so that ethernet is not practical from my router. I have a PC that is always on in that office and it connects to my n ...
2
votes
3answers
1k views

How do I share my internet connectivity to another NIC?

I would like to share my internet connectivity on eth0 with another computer on eth1. +-----------+ +-----------+ +-----------+ | | | | ...
2
votes
1answer
1k views

(Sort of) bridge superhub with netgear router WGR614V9

I've got a virgin super hub (sigh), and a netgear WGR614V9 plugged into eachother. They form two separate networks in the house. The WGR614V9 has a subnet mask of 255.255.255.0 and the superhub has a ...
5
votes
3answers
1k views

How do I take my home office network from consumer-grade to small-office grade performance?

I work from home and all my communication and all my home entertainment is done over IP via my home network. I'd like to take my consumer-grade home network to the next level but I'm unsure where to ...
0
votes
2answers
426 views

Wired router with wireless as internet source?

I have a number of servers in my room, and I'd like to have a high-speed wired LAN within the room between my servers and my desktop and laptop. My internet access is provided by a cable modem ...
1
vote
3answers
4k views

Is NAS limited to the speed of my internet connection?

If I connect a NAS to the internet, and I have 0.5 Mbps (0.0625MBps) upload speed, it would take years to transfer 1 TB of data. Not exaggerating. I want to take minutes not years to transfer ...
3
votes
1answer
242 views

How to share internet in Windows 7 using two netcards?

I have a Windows 7 system and two netcards. One is linked to the internet probider. The second one connected to the router. How can I set up all this to allow my computer to work as router, allowing ...
0
votes
1answer
39 views

Disabling Application Internet Connectivity w/ out VPN Running

Whats the easiest way in Windows to make it so an application can't access the internet through my internet connection but will work when I am connect thru a VPN.
0
votes
2answers
231 views

What does getting an answer from dig but not from whois imply?

So when I execute this: dig hrndva-omtalb.mail.rr.com I get this: hrndva-omtalb.mail.rr.com. 7208 IN A 71.74.56.122 hrndva-omtalb.mail.rr.com. 7208 IN A 71.74.56.123 hrndva-omtalb.mail.rr....
1
vote
1answer
326 views

Record WiFi performance and errors over time

I'm having intermittent performance and connection problems occuring in my wireless home network. Sometimes it slows to a crawl on all wirelessly connected devices or loses the connection entirely. I'...
1
vote
1answer
743 views

Force Samba network logins

I'm experimenting with un secured read write samba shares AND secure read write samba shares. I've worked out the required (user.group + folder perlmissions + basic smb.conf setup) Now heres the ...
1
vote
1answer
194 views

Ethernet and wireless on the local network

I have a computer connected to the local network (which in turn is connected to the internet) both via ethernet and wireless on Windows. I wondered what happened to the data transiting to/from the ...