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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12
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1answer
602 views

Secure LAN within existing office LAN

First things first, I was gonna post this on Server Fault but honestly, I'm no network admin, I'm a CS student who has been called upon to sort something out for a very small family business who have ...
3
votes
1answer
29 views

How does Skype gain access to port forwarding?

Whenever I go to my router's configuration > NAT > Virtual Servers, I see many entries titled "Skype UDP at 10.0.0.X:< port> (< port>)". I believe that these are being made by the Skype client ...
0
votes
3answers
20 views

Does it matter if I connect between my devices on LAN using their LAN IP addresses or the IP address visible to the internet?

At my home I have my desktop computer behind a router. There's a port forwarded by the router to the computer's ssh port. When I am using my laptop in the same LAN, I can either connect to my desktop ...
-1
votes
2answers
34 views

is my ethernet cable color placement wrong?

so i have my internet from my neighbor for free (thank you kind neighbor :D )... he changed the cable with new one yesterday but i needed another cable for another computer so i did it myself... so i ...
0
votes
1answer
16 views

How to connect my base machine to the VM on hyper-v with virtual switch

Here I have a problem. I have two VM on hyper-v one is windows server and the other is RHEL. I want my base machine to connect with the virtual machines. On my base machine I don't have a network ...
3
votes
3answers
144 views

If I have two routers, how do computers choose which to use?

We have two ISPs at home, and I've connected a different router to each and both routers into our LAN, one large ethernet switch that everything connects to. One router has the IP 192.168.1.1 and ...
0
votes
0answers
3 views

Chrome DevTools Save Changes

I do Chrome -> DevTools -> Network Conditions -> and I select a User Agent I want to use. Is there a way to store this change so that each time I open chrome it will use this user agent?
3
votes
0answers
20 views

How to add a nameserver to Solaris 11?

I'm having a name resolution problem in Solaris 11. According to the online Solaris guide, Chapter 12 Setting Up DNS Clients: Client Set Up Setting up DNS on a client machine involves two ...
1
vote
1answer
61 views

Local network device changing other IP addresses

I have 3 devices on a local network. A router, a smart meter, and a raspberry pi (Raspbian Jessie). The router has an IP address of 192.168.1.1, the smart meter is set to have a static address, IP ...
1
vote
1answer
31 views

webserver configuration doesn't let public connection

I cannot access the local webserver in my home for testing and college purpose,and I cannot understand why, because I have ssh and vnc fully functionals. The particular thing is that the server is a ...
0
votes
0answers
11 views

can I point to a virtualbox instance's IP via VPN if virtualbox and osx server are on the same machine?

I have a macmini - which stands behind a LAN with a static ip 10.0.0.2 - that serves as a VPN thanks to the OSX server VPN functionality. It works and I can access my network remotely. My macmini ...
0
votes
0answers
15 views

rlogin: ipaddress : connection refused

I have host only network setup with two linux distributions virtual machines (kali and security-onion). Connection bw both vm is fine as both able to ping each other successfully. I tried rlogin ...
-1
votes
1answer
26 views

Can I use Beetel 450TC3 as wireless router? [duplicate]

I am trying to extend wireless internet connectivity to another part of my house. My current modem + wireless router does not cover my entire house. So, I have installed a cat5 cable with RJ45 port ...
-1
votes
1answer
27 views

How can monitoring and archive user activity in LAN network

All user use windows with different PC but all PC in a LAN network and i need to know what websites visited and what program is run by user . how can monitor their activity and archive that ?
0
votes
3answers
31 views

Is it possible to connect two wifi routers to same fiber modem

My house there is a one fiber broadband port and fiber modem connected to this port using fiber cable. Then Wireless router connected to the fiber modem using CAT6 cable. Now I got another Wifi router ...
-1
votes
0answers
31 views

How to encrypt traffic over ssh and test it with the plain text message? [on hold]

I have an unsafe connection and I want to use encoding/decoding mechanism to enhance security. I know it can be done in layer 4 (via SSH or SSL/TLS) or in layer 2 (via IPSec). I want to use SSH as ...
0
votes
1answer
35 views

How to configure NAT to act as port restricted?

I am working on a project which require me to test with different type of NAT. I am using a laptop which is acting as Linux router. Due to some reason it is not able to correctly identify NAT with my ...
0
votes
1answer
16 views

Use of old single band router

I am using an old single band dlink dir 600l router. However it's quite old and doesn't provide a good range these days. Recently I also bought a Samsung Smart TV and thinking to buy a new dual band ...
1
vote
2answers
9 views

Is there a way to log full URL with a router that only logs domain?

So my router can log domains and broadcast the log so I can read it and capture it. But I would like to know if I can record the URLs and payload as well. Obviously; I can't do this with just the ...
2
votes
3answers
43 views

Meaning of netstat output?

When I type "sudo netstat -an", this is part of the output I get: Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 192.99.202.17:39922 ...
2
votes
1answer
8 views

Linux Mint wired networking strangely restricted by a captive portal

First, I apologize in advance: I may not be know the correct terminology so I will explain the problem in detail. I have two PCs running Linux Mint and connected to the internet on a wired network. ...
0
votes
1answer
12 views

HTTPSendRequest failure: 1753 WinPE

I have been creating a WinPE image using the Windows Deployment and Imaging Tools Environment to run a specific program- however when the image boots up there is no networking capability. The program ...
1
vote
2answers
47 views

Home network: configure for IPv6

I want to configure my home network to be able to access the Internet via IPv6, because I want to learn what it takes, and I want to be a part of reducing demand (eventually) for IPv4 addresses. My ...
0
votes
1answer
16 views

How to see if a wifi network is open or secured on windows 8

I just installed windows 8.1. All is fine, but I don't know weather a network is secure or open. It doesn't show any status besides the signal bar. I hover over it, right click but still not showing....
0
votes
1answer
26 views

How to use my windows 7 laptop as router?

I would like to route my mobile traffic through my laptop which its operating system is windows 7 professional. Now my laptop is connected to internet using LAN and is also connected to the access ...
0
votes
1answer
43 views

What does this mean: “In HTTP 1.1, all connections are considered persistent unless declared otherwise”?

In this Wikipedia article, it says the following: In HTTP 1.1, all connections are considered persistent unless declared otherwise. I think that this statement means is that when a client ...
0
votes
0answers
31 views

No internet connection Windows 10

After uninstalling some programs i rebooted my laptop and now i don't have internet connection. Actually laptop connects to wifi bu still there is no internet. And there is no internet (wifi) graph ...
0
votes
0answers
68 views

Selective VPN configuration

I'm using Fedora 23 64-bits. I quite often have to connect my computer to my work PPTP VPN to commit code changes, browse the intranet for information, connect to remote desktops, and etc. The VPN is ...
0
votes
0answers
13 views

ipv6 ping failure from AP end [duplicate]

AP configuration setting: br-lan Link encap:Ethernet HWaddr 04:F0:21:1E:CB:BC inet addr:192.168.0.249 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::6f0:21ff:fe1e:...
0
votes
0answers
15 views

Windows 7 // system DNS cache and WinINET cache // Is cache reset after changing the network

Can you enlighten me, how system DNS cache and WinInet cache works. Especially I would like to know the followings: Are the both caches cleared/reset after changing the network, for example after ...
3
votes
1answer
48 views

TCP throughput much better than UDP

I'm monitoring the performances of a WAN link with iperf between two windows machines on both ends. Surprisingly (for me), TCP single session default window reaches a throughput of 12Mbps, while UDP ...
2
votes
2answers
18 views

How do I know if a connection goes down in Load Balance Router

I am using Load balancing router TL-R470T+ to combine my two broadband connections. Is there a way I can know as soon as one of the broadband lines goes down? My approach so far: I have tried to set ...
0
votes
1answer
45 views

How to bridge networking in this nested virtualization case?

This is a follow-up for my earlier question. Based on feedback from Daniel B and Deltic, I switched from VirtualBox to QEMU, which can handle 64-bit guests on a VM as a host (Hyper-V, in my case) - a ...
6
votes
2answers
130 views

Why does rsync over SSH give me 10x the throughput of SCP?

scp user@aws-ec2:~/file file rsync --partial --progress -Pav -e ssh user@aws-ec2:~/file file scp only gives me 200K/s, but rsync gives me 1.9M/s I tested several times, all same results. rsync ...
0
votes
1answer
34 views

IP routing devices with security

I'm looking for a device that we can use to do routing between various IP ranges on our network, but offer us some security as to which devices can communicate where. Existing network has 2 major ...
0
votes
1answer
47 views

Windows 10 No Internet

There's several no "internet" questions on here already, but most of them are a different scenario. The machine in question here is a Windows 10 Pro, Dell XPS 12, factory specs. It literally can ...
0
votes
1answer
19 views

Two routers off one internet line for two different networks

Ok here is my situation. My sisters family moved in with us and there kind of stubborn with the internet. They want to use their router for their own network. The way I have it setup is we have our ...
1
vote
1answer
15 views

WiFi adapter TL-WN727N is not working

I am using Zorin OS 11. My wifi adapter( TP-link: model:TL-WN727N) is not working at all. I typed "lsusb" in terminal, then the adapter showing as "Ralink MT7601U". So, that means the adapter is okay ...
1
vote
2answers
22 views

PKI Certificate Authority private a keys and certificates

I'm trying to set up OpenVPN and I'm a bit confused about the terms. From what I've read, a PKI consists of: A separate certificate (also known as a public key) A private key for the server and ...
0
votes
0answers
15 views

dd file copy uploading to server is fast, downloading image back to local machine is slow

I've used dd to copy a hard drive on one server to the samba share on another server. The speed was between 30-60 MB/s, about what I'd expect. The connection is a dedicated gigabit line for each image....
0
votes
1answer
13 views

input same line as echo batch file

Cannot seem to get this exactly right, trying to setup a batch file to do some network commands, such as ping. I have the following code: echo Please enter the IP Address to TELNET echo IP Address: ...
0
votes
0answers
14 views

Can't ping Mac host from Fedora guest with Virtualbox

Configuration: Host Macbook OSX El Capitan 10.11.4 Guest VM Fedora 22 Virtualbox 5.0.24 Host-only adapter Host to guest ping works fine, but guest to host is not working. This is not an issue ...
1
vote
1answer
18 views

Linux Web Server Cannot ping localhost or anything on the internet

My ubuntu 12.04 server was working fine a few days ago. I didn't change any server configurations, but today all of a sudden I can't ping anything. What could be the potential issue here? I can't even ...
0
votes
1answer
19 views

Load balance 2 DSL routers using a 3rd(4 LAN, 1 WAN port router)?

I would like to install open-WRT on a router MR3420 v 2.3 and want to know if it can act as Load balancer for 2 DSL routers below. but I am not sure if openWRT will solve the following use-case I ...
0
votes
1answer
19 views

How to delete Ethernet profiles?(picture link attachment)

I have "Ethernet" and "Ethernet 3" profiles as shown below and I want to delete them. I'm also confused there is something written just below their name which are "Realtek PCIe FE Family Controller" ...
0
votes
0answers
6 views

How to write wvdial config file using modem log obtained from windows

I have usb modem that I am still not able to use for establishing the Internet on ubuntu 14.04 LTS but it works in windows by creating new dial up connection .Can anyone tell how to write wvdial.conf ...
0
votes
0answers
7 views

How to uncompress an OpenVPN stream with lzo compression?

Hello I'm connecting to a VPN server using OpenVPN and the configuration file contain the parameter lzo-comp=yes meaning the data is at least compressed using the lzo algorithm. With Wireshark I'm ...
0
votes
1answer
19 views

Why Apache blocks itself from listening to port 8080?

As you can see in the image if you enlarge it, when I run httpd.exe apache says it cannot bind to address 8080. Thing is, the reason apache cannot bind to address 8080 is because apache IS the one ...
0
votes
0answers
18 views

Error 1397 on Windows 10 while trying to connect a network drive mapped to a webdav folder

I'm trying to connect a network drive from a shared directory located on a linux server through WAN. The protocol used is WebDAV. The shared folder uses Basic Authentication, and my Apache is ...
0
votes
0answers
19 views

What to do with WEP Key after connecting? [closed]

I've used aircrack-ng to brute force a wifi network and find out the key. I've also connected to the network. What next can I do to conduct my investigations? PS I'm not doing anything illegal--I'm a ...