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

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25 views

Accessing web interface on Allied Telesyn GS950/24 Managed Switch

Okay, so I purchased an used Allied Telesyn GS950/24 a couple days ago and have been struggling with it since. Seller said the device worked flawlessly. Now, the device does actually work as switch, ...
0
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0answers
18 views

Windows “thinks” it's offline but IS online [duplicate]

What is the Windows (7) networking symbol in the bottom right corner next to the clock looking for to verify internet connectivity? I have a couple of Windows PCs behind pfSense MultiWan and every ...
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15 views

Can't connect to network on Debian 7

During the install of Debian 7, I entered the static IP of my unmanaged network with subnet 10.0.0.1/24 and was able to install the OS and download updates from the repo without a problem. Once the ...
0
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1answer
15 views

ARP Entry Lookup for IP Range?

Is there a way to do a ARP lookup via windows console for an IP range? Eg: arp -a 192.168.10.0-254
0
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1answer
25 views

WiFi range extender drops connection after a day. Rebooting main router fixes it

I have an issue which I can't seem to get to the bottom of. My main router works great, but to increase the range I recently added a WiFi range extender. The range extender was easy to set up, and ...
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0answers
34 views

VLANs, routing and DHCP

I've got my home network up-and-running to an extent, but I'm trying to improve the setup. On top of this, I'm using it as an exercise to try and learn the ins-and-outs of slightly more complicated ...
1
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1answer
52 views

Does the DHCP server know about static IP addresses?

I have a simple setup up at home with a vendor provided ADSL router and a few home devices I connect to it to connect to the outside world. I would like one of my devices to have a static internal IP ...
0
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1answer
32 views

connecting an android phone to a pc to via usb to share internet connection

I used to connect my android phone to my computer using a USB cable to connect to the internet. but today as i tried to reconnect, this is what it says: "An error occurred when internet connection ...
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1answer
42 views

DNS: Is it possible to do “query rewriting”?

I would like to "map external host names into my domain address space". I need to do this in one go. For example if I define the following HOST mappings HOST1.delegated1.my.example.com -> ...
1
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1answer
42 views

Route traffic through google servers or google proxy

I am using Kali Linux on a 384kbps internet. But when I download from google server eg. from google drive or gmail, I get download speeds upto 3mbps. Our ISP has allowed unlimited bandwidth only for ...
0
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1answer
34 views

How does Windows automatically name a network?

Under certain circumstances, Windows is able to automatically give a Network it is connected to a name instead of naming it generically Network 1, Network 2, etc.. For wireless connections it seems ...
0
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0answers
29 views

Wi-fi issues on a particular computer

I'm having very severe Wi-fi connectivity issues on one particular computer in my household. Now previously the connection has been very choppy, that is, it has connected and disconnected frequently ...
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0answers
25 views

exception to domain forwarding

I have forwarded a domain from a hosting site to our own http server. I would now like to host some pages directly on host server to take advantage of some of the services they have; for example - a ...
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0answers
12 views

Connecting to the Host and Internet from an Internal Network in VirtualBox

In order to simulate a network, I have 3 VMs set up in VirtualBox called VM1, VM2 and VM3. They each have 2 network interfaces all of which can ping the others at the moment. The Network interfaces ...
0
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1answer
39 views

How can I remote desktop connect to my Windows 8.1 computer if I am not on my home network, and I don't have a separate private VPN server?

The really nice thing about Windows' Remote Desktop connection application is that it shows my remote computer's screen on my laptop at the laptop display's resolution. That's beautiful. The downside ...
0
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1answer
28 views

how can I access my server from outside of my lan?

I set up my own debian server at home and I can connect to it via ssh from any computer in my lan, but if I try to do it with my phone ( when using mobile data and not Wi-Fi) it does not work. When I ...
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1answer
29 views

Using “ping” on a relative basis [closed]

I am very new to any technical stuff and just trying my hands on the good old ping. I was wondering what information can be extracted, if any, from studying the difference between ping results of two ...
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0answers
15 views

PF rule using return-rst on Mac OS X does not reply with TCP reset

I'm trying to add a simple PF rule: block return-rst out proto tcp from any to any port 33128 to filter all outgoing traffic to TCP port 33128, and I'd like it to respond with a reset. However, ...
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0answers
41 views

WPA shows NIC driver DPC fragment running for 232 milliseconds

I'm stress testing my UDP proxy on a machine with 8 logical CPUs. At around 14 thousand UDP clients, one of the CPUs (CPU 4) starts spiking and UDP throughput (as shown by Task Manager) plummets to ...
2
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1answer
24 views

On boot, how can I switch to a static IP based on a gateway IP provided by DHCP?

I have a "headless" *NIX host -- let's call it 'foo' -- that is to be accessible via SSH and VNC-tunneled-over-SSH on an arbitrary 192.168.x.y/24 private LAN. Sometimes, I want to physically move ...
0
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1answer
33 views

Does a host re-order fragmented IP packets received out of order?

Host A sends a 1400 byte IP packet to Host B over an Ethernet and PPP link. The PPP link has an MTU of 532 bytes, which means that the IP packet will be fragmented into 3 smaller packets. Fragment 1 ...
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1answer
29 views

Networking for CentOS 6.6 on VirtualBox

I have created 2 guests with 2 Network interfaces each - all 4 of which have the "Attached To:" set to "Internal Network". The aim is to create a simple internal network with no access to the Host ...
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1answer
20 views

Server / Client based PC shutdown solution

I need to shut down a bunch of Windows PCs in a local network from one central application, but I can't make use of the shutdown.exe remote command for some reasons. However, I have admin rights on ...
0
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3answers
21 views

Is it possible to have different subnet for different VLAN in a L2switch?

While creating the VLAN in L2 switch, is it possible for us to have diffetrent subnet for each VLAN? and for inter VLAN comunication can we use router(L2 switch)?
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15 views

GNOME Boxes: How can I route through the host's VPN connection from a Windows guest?

I have a Windows 8.1 virtual machine (a www.modern.ie one) running in GNOME Boxes. My host connects to my work network via OpenVPN, and I'd like to access some of the resources from the Windows VM. ...
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1answer
49 views

What exactly does this netstat output mean?

Having run netstat /b on my local machine, I am having trouble interpreting this output. To my knowledge I have only one machine on my network and it's not called fish. Active Connections Proto ...
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0answers
17 views

OpenWRT Network Configuration on Alix3d2

I've been working on an issue and I'm in need for some answers from experienced people in this field, I hope that answers will be rich since internet didn't serve me very well. Scenario: I have 2 ...
0
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1answer
30 views

Why am I unable to access some https sites?

Scenario: There are 2 laptops (HA and HB) running on Windows 8.1, both access the internet and are connected to the same wifi router (RA).Both laptops share the same DNS settings. Laptop HB also ...
1
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1answer
35 views

Why did the designers of IP Choose the IP Checksum? [closed]

Why did the designers of IP (and UDP and TCP) choose to use the IP checksum to detect errors rather than a more robust error detection code such as CRC-32? I previously thought the IP checksum was ...
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0answers
35 views

Usual port for an internal proxy?

is there a way to know from Mac OS X (a FreeBSD *nix) what port is using the internal proxy used by my institution? the proxy is one of the kind "wpad" proxy, and I need the port in order to ...
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0answers
26 views

TP Link TL-WR740N lan problems

Used my TP Link router for about 6months now,when i shut it down ,by the on/off button,suddently afther putting it back on,no internet acces what so ever...wireless - down ,lan - down ,everything just ...
0
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1answer
36 views

Port translation - how to scatter outbound traffic across random ports?

I would like to be able to PAT such that outbound traffic for a given destination port is translated to some random port within a range on a per-PDU or per-packet basis. The intention is that ...
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39 views

A particular IP address stops working on the network

I have a small network with a cisco linksys E2500 series router and few Access points to help with wider wireless coverage. Recently, I notice that a particular IP adderess on my network suddenly ...
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0answers
30 views

Windows 8.1 - Hyper-V and network stops working

Two days ago I have done routine job uninstall hyper-v, because I needed to start VirtualBox. After restart I noticed that VB virtual machine cannot start, went again in windows component installer ...
0
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2answers
40 views

DHCP packets broadcast on all ports on a switch?

I would like to monitor DHCP packets on a clientPC connected to a 4 port switch/router. Will i be able to see DHCP packets sent or received on clients connected to other ports on this switch as well? ...
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0answers
11 views

Shrew Soft VPN Configuration - manual topology

I have configured Shrew Soft VPN Client 2.2.2 with option "Obtain Topology Automatically or Tunnel All" checked (Policy tab). It's working, but I cannot access the Internet through my regular ...
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0answers
16 views

How to use dnsmasq in LAN?

I want to implement DNS in LAN. For the purpose, I am using DNSmasq. I am following this article to config dnsmasq.conf file Linux.com. The content of dnsmasq.conf file is as follows: ...
0
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1answer
22 views

ipv6 not public availible

I'm trying to get my server to be public availible on IPV6 I did the test on: http://test-ipv6.com and it's 10/10 I've set my primary and secundairy servers to Google's (on the server) when I connect ...
2
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0answers
35 views

Shared WLAN between 2 houses ( Already tried some stuff )

I've need some help guys and hope someone can help me out. Well my Task is more or less common, but the HOW-TO's which i found on the net are mostly for greater distances or "i dont care about speed" ...
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1answer
22 views

How to share file using wifi in laptops just like bluetooth?

I want to share my files between to laptops using WiFi connection same as we do on android using apps like flashtransfer, where one laptop creates WiFi and other connects to it and start sharing of ...
0
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0answers
25 views

Connection to VPN server

I just created an OpenVPN instance on my private server, running on debian 7. I attempt to connect with OpenVPN GUI, server binded and connection established on the right port, but I've got the ...
0
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1answer
24 views

How to connect WUMC710 to my wireless network as a bridge (WPS fails)?

If y try to connect the linksys WUMC710 AP to my WiFi network as a bridge (to extend the network) with WPS as the instructions says, it fails after the 2 minutes timeout. If I access the AP through ...
1
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1answer
38 views

Local Network DNS

I have 3 computers on my local network, A B and C, all running Windows 7. They all have the same network configuration which uses my Netgear router for DNS. I am trying to access them via my Android ...
0
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0answers
11 views

Installing snort on my network

My network currently looks like this: ISP (internet) -> Ubiquiti USG (gateway) -> Ubiquiti USW (switch) -> Devices I want to install snort to monitor my network traffic. I was told I can install a ...
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1answer
43 views

Cannot get LAMP stack working on Ubuntu 14.04.2 LTS

I have Ubuntu 14.04.2 installed as a virtual machine (VirtualBox) in my MacBook Pro. I am trying to get my LAMP (Linux,Apache, MySQL and PHP) stack to run a web server, but I just cant get not even ...
0
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0answers
5 views

Dynamically Switch Interface using ifmetric

I want to dynamically switch interface using ifmetric, for example to prefer wlan0 over eth0 and switch to wlan0. I can run the following on my Ubuntu host when my machine is on eth0: $ sudo ...
0
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0answers
15 views

Port forwarding is not working (Linksys WRT54G)

I have enabled port 3000 for my router in Applications and Gaming, but for some reason it will not work. When I try to access the port with my ip in the browser (http://xx.xx.x.x:3000/) it says, 'This ...
0
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1answer
30 views

How to setup a Netbook as Access Point (DHCP) and HTTP server in one?

I have been at this for two days now. What I'm trying to do is setup netbook A as an access point with HTTP server for clients ( Netbooks B C and D) Netbook A (host netbook) is running Windows 8 ...
0
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2answers
51 views

Why do I get different ip addresses each time I log into the same computer?

Sometimes when I log into my home desktop I get the warning about adding a new RSA host key for IP address 2412:214:8144:4fd1:2f17:54ff:ff48:5fd2 When I use last -w, I get: thedude3 pts/14 ...
0
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1answer
33 views

Securing my home network and computer while still allowing SSH

I recently built a computer (linux) and am allowing SSH so that I can log in from my macbook while on the couch. Do I need to be concerned about security settings at all and/or what should I look out ...