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

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Local-link IP - 169.254 - for wireless network adapter - how to fix?

Definitely not the first person to ask this, but I'm wondering how to troubleshoot this... At the moment my wireless adapter on my Windows 7 PC is having issues connecting. My wireless adapter says ...
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3answers
3k views

Windows 7 cannot connect to internet after sleep/hibernate

This problem has surfaced recently. After If I switch on my laptop from hibernate/sleep mode, it can;t connect to internet. It displays all the available networks (wireless) but it never succeeds in ...
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1answer
3 views

Why is Postgres sending network traffic on OSx

I was looking through my Activity Monitor seeing if there was anything running that was hogging my network and noticed that Postgres has the largest amount of bytes sent. Now the numbers aren't ...
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0answers
167 views

CCNA: OSPF adjency over Framerelay

I set up framerelay and I can successfully ping from R1 to R2. The problem I'm having is that there aren't OSPF advertisements. I explicitly stated broadcast when mapping the IP's. Here are my ...
0
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1answer
17 views

Cannot SSH into Ubuntu VM from OS X Yosemite

I am trying to SSH into a Ubuntu 14.04 VM from OS X but am not able to do so. I have tried various suggestions from Googling but none seems to work. ping does not work either and returns the host ...
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0answers
12 views

Connect router remotely from anywhere

I'm using tp link WR1042ND wireless router and I was wondering If I can login to my router from anywhere through internet even though don't have an public ip which is needed. Is there any way ...
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0answers
2 views

Privoxy - Route certain traffic through VPN

I'm trying to setup privoxy so certain traffic is routed through a VPN tunnel. The idea is: Clients -> Server running privoxy -> send requests directly or through VPN based on URL. I already had a ...
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0answers
12 views

How to “hide” VoIP traffic?

I'm pretty soon gonna be punished by my telecom operator for using WhatsApp,Tango,Skype etc. From now on not only will I be charged for the 3G Connection that makes services like WhatsApp,Skype etc ...
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1answer
2k views

Windows 7 Network dies after sleep mode

I have a windows 7 machine and everytime it comes back from sleep mode the network connection has been lost and needs reconnecting. I have checked the power settings for my network card and it is set ...
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3answers
2k views

Unable to connect to samba shared folder via windows

im new to linux and Samba. Aim Create a called Shared_folder which can be accessed by ALL users (group name = users). Therefore, in order to map the drive in windows, the user is promoted to enter ...
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9answers
95k views

How to do networking between virtual machines in VirtualBox?

I have two virtual machines in VirtualBox. I would like to do networking between them. For the moment I have the default configuration on both, but they seem to have the same IP-address 10.0.2.15. I ...
0
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1answer
26 views

Make disk image with real-time compression over network on Linux

I have two Linux notebooks on a network and no additional storage. I want to backup the first notebook hard drive (make full HDD image), on the second notebook. How could I do that using real-time ...
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2answers
9k views

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

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 ...
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2answers
18k views

ASUS RT-AC66R hard reset

Have an ASUS RT-AC66R - we had set it up for our church and was working flawlessly. I was approached last sunday to say it was not connecting (2014-01-19). We had set it with the 2.5 and 5 Ghz ...
0
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1answer
543 views

Home router with NAT makes internet much slower than with bridged-IP

I have a BeWAN iBox A5100 wireless router and a 100 Mbps direct internet connection (non-DSL). When I use the bridged IP option, speedtest.net reports downlink speed as 85mbps which is quite OK. When ...
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2answers
34 views

Strong wifi signal but no internet connection

My wifi router is in my living room. I can use internet fine in the living room, but when I move to my bedroom, the internet connection becomes very choppy. It frequently becomes unresponsive, then I ...
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0answers
16 views

DNS options windows 7 aren't saved?

I'm trying to use a free DNS (such as Google's: 8.8.8.8 / 8.8.4.4) by typing this in thoses options: But when I click on "validate settings upon exit" and "ok", the network diagnostic tool from ...
2
votes
2answers
21 views

Which wireless configuration is more efficient for a high density network?

I recently asked about the difference between a MIMO-capable access point and a multi-band one, and I am clear on that, now the question is: Which configuration would be more efficient on a wireless ...
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4answers
4k views

Why do we need to use Manchester encoding for Ethernet transmissions?

When you want to transfer data from one computer to another, your data (in binary form) will first go to the NIC (Network Interface Card) where the data will be encoded (with timer clock tick for ...
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1answer
12 views

Connecting to LAN webserver through a tunnel on LAN node?

So I have work computer that has access to LAN webserver that is not accessible from WAN. Now I want to plant some kind of silent software in my computer to allow me to tunnel to said server through ...
4
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2answers
32 views

Is a MIMO 2x2 wireless access point the same as a dual-band access point?

I am looking for an enterprise-grade access point for our company and looking through some information came up to the conclusion that I'll need at least a dual or even tri-band wireless access point ...
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3answers
3k views

iptables syntax to forward remote desktop requests to a virtual machine on CentOS host

I can rdesktop into a VM running Windows XP hosted on my CentOS 5.4 machine from the hosting machine and work just fine using the private address (192.168.122.65), but I now need to allow remote ...
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1answer
19 views

Connecting to a computer on a switch from a computer directory from router

So I have 3 Computers: Computer 1: Connected Directly to router. Vendor: Cisco, Model: DPC3939 Computer 2: Connected to switch. Vendor Dynex, Model:: DX-E401 Computer 3: Connected to switch. Vendor ...
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2answers
3k views

Share guest OS internet connection with host OS with VMware

I have an usb wifi board without drivers for Mac OS X ML. Sometimes I have to connect to internet using the external board and need to pass the Ubuntu internet connection running on VMware Fusion to ...
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0answers
22 views

Invalid IP Configuration error

I am not sure if this is the right platform to ask this question, and please consider me a newbie. I was using a ADSL modem given by BSNL (ISP). I bought a D-Link WiFi ADSL Router(DSL-2730U). I set ...
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0answers
24 views

Computers in my network won't contact directly. They pass the local router, go to the internet router and come back

I attached a diagram of my network. In there, pc1 and pc2 are connected to a router (It have DDWRT). That router is then connected to the internet router. The internet router is in the network ...
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4answers
697 views

How to enable ports on a wireless network for java socket programming

Background: I have written a java server-client program. The server accepts incoming connections on port 2175 and writes responses on 2176 which the client listens on for the response. I am sending ...
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1answer
12 views

How to remote access a HDD-locked (node-locked) license?

I have a software license that is locked to my HDD at work (unfortunately...). During the break I want to do some work from home, but I cannot debug without the license. I am thinking of connecting ...
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3answers
3k 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 ...
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0answers
11 views

Can't connect via ssh from work [duplicate]

I have home station with debian on it. Today while being at office i had to make some changes in debian config, and i had to do it very urgent. I thought there will be no problem, because home station ...
0
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0answers
4 views

Unable to connect the Ubuntu EC2 instance to VPC LAN on AWS using secondary NIC adapter?

Infrastructure setup: VPC is created with 192.168.254.0/24 netwok Private subnet within VPC (Virtual Private Cloud) is created with 192.168.254.0/25 network Public subnet within the VPC is created ...
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0answers
21 views

How to retrieve Broadband Connection's password, which is saved?

I got a connection (Broadband connection) where username and password are saved from before and I have forgotten the password. I can connect from this PC but I need the password to connect from my ...
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2answers
11 views

The “/etc/init.d/networking restart” fails to update eth0/eth1 at my Ubuntu 14.04 LTS

At my Ubuntu 14.04.1 LTS, "/etc/init.d/networking restart" doesn't seem to update eth0/eth1 interfaces. Network Manager has been turned off in last reboot and "/etc/network/interfaces" has been ...
0
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1answer
13 views

Wifi Blocks Certain address alone

I am not a Networking person and have no idea how to figure this. I am trying to VPN into my office network(from home) to access tools. All the tools are hosted under address 10.0.0.*. I am able to ...
0
votes
1answer
13 views

how to setup a publicly hosted tcp/ip webserver to receive gprs packets(lat/long and other data) sent from a sim900A gsm module

I want to send the foll data (lat/long, date/time, velocity, deviceID) using gprs (tcp/ip connection) from a gps/gsm tracker i made (using sim900A as the gsm/gprs module). I know how to send data to a ...
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0answers
9 views

How do I increase Azure VPN client timeout?

Microsoft Azure provides a 32 bit and 64 bit client for Azure VPN. In the VPN client properties GUI there are settings for: redial attempts e.g. 99 idle time before disconnecting e.g. never In my ...
0
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1answer
18 views

How do I create a hotkey to disable a certain network adapter in Windows 7?

I want to make a hotkey which I could use to disable a specific network adapter. Is that possible? If so, how would I configure that?
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0answers
10 views

DNS config for NAT with BIND

Over the past days, i installed CentOS on a computer that I'm using to mess around with system admin related tasks. What im doing is, I'm basically making this computer into a "super router" as i like ...
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3answers
5k views

Wired and wireless conections: force Windows to connect to laptop through Ethernet?

I have a desktop connected to the internet and to my home network through Wi-Fi, and a latptop connected to said desktop through an Ethernet cable. But Windows seems to only reach the laptop through ...
1
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1answer
9 views

Get the real IP address when using a reverse tunnel with ssh

Let's say I open this tunnel from my local: $ ssh -l user@135.95.66.88 -R 2401:135.115.12.68:2401 Then from 135.95.66.88 I can verify the tunnel: $ telnet localhost 2401 I know that by using lsof ...
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0answers
10 views

Android virtual router

I just bought a chromecast and unfortunately it requires at least three devices; 1- The Chromecast 2- A device to control the chromecast (in my case a Tablet) 3- A WiFi router I was ...
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2answers
39 views

procmon (process monitor) does not show some udp / tcp network activity events, shown in netmon

I observe sometimes a difference between Procmon an Netmon. Procmon does not show some udp / tcp network events. Here an example: net use * \\test12345.domain.local\test shows in netmon: ...
2
votes
2answers
4k views

How can I solve Windows PPTP VPN issues?

I'm having persistent problems with Windows PPTP VPN connections. The VPN appears up whilst the tunnel won't transfer traffic (ping to a remote IP within the VPN works for a while, and then fails). ...
1
vote
1answer
19 views

Exclusively connecting two networks

I have two separate networks - DMZ and core systems. DMZ is exposed to internet via VPN, core systems are obviously not. I need to transfer data between these two networks. One option is to use a jump ...
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0answers
6 views

OS X Routing Table Breaks VPN Server Access

How do I set OS X's routing table to allow access of VPN clients to services on the host machine? OS X's routing table is preventing VPN access of the VPN server. All other connections work fine. Any ...
0
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1answer
65 views

Why isn't the internet broken?

I'm just trying to get my head round MTU, MRU and MSS. My interest initially came from the answer in this post: Security risk of PING?: Some ICMP packet types MUST NOT be blocked, in particular ...
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0answers
27 views

Can I ping the public IP of a 3G dongle?

I want to ping my mobile device. It's a Raspberry Pi which has a 3G dongle and a working 3G connection. I can ping from my device to the outside but not the other way around. What I've researched so ...
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1answer
30 views

Strange issue with Google

I have installed Ubuntu on my laptop. Now I have dual boot Windows 8.1 and Ubuntu 14.10 both of them are x64 bits. I have two problems: The first one is the I can't connect to their server from the ...
5
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2answers
13k views

Can't ping guest OS in VirtualBox, but guests can ping host

Host OS: Windows 7 Guest OS: Ret Hat Linux (RHEL 6) and Windows 7 I want to connect to both guest OSes. I tried to ping both guests, but it is not working. Both guests can ping my Windows 7 host ...
2
votes
1answer
55 views

One laptop is killing our wireless

When a specific laptop is turned on all other wireless devices lose their connection but when that laptop is connected to the router with an ethernet cable the connections are all stable. Typically ...