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

learn more… | top users | synonyms (2)

0
votes
1answer
71 views

1Gbps network maxes out at 100 Mbps

I've been transferring files from my laptop to my PS3 with 15-20 MBps through cable. Now I have built a new HTPC and I connected it instead of the PS3 (so same cable, same port), and the max speed I ...
0
votes
0answers
34 views
+50

packets information in tcpdump /capinfos

I'm testing the packet capture efficiency of a sniffer application (netsniff-ng) w.r.t a proprietary sniffer recorder. I had a linux system use tcpreplay to send 25 pcap files @ 100Mbps to both the ...
0
votes
0answers
11 views

Win 2012 R2 Hyper-V Core QLogic 2562 FC connection to Dell Compellent SC8000

I want to connect our HP Proliant Gen9 server to our SAN storage Dell compellent SC8000. On a server is Windows 2012 R2 Hyper-V Core installation, Storage adapter is Qlogic QLE2562 (made for HP from ...
2
votes
1answer
39 views

How to check if the server I'm connecting to is owned by Google?

On my home machine, google.com resolves to 46.134.200.108 (public100460.xdsl.centertel.pl). WHOIS for that IP indicates that it's owned by Orange, which happens to be my ISP. On my VPS, google.com ...
27
votes
1answer
2k views

65536 +1 Connection on a system

There are 65536 ports for every system in the network, and every connection or Send/Receive will use one of those. My question is: what happens if we have 65536+1 connections?! I know that it ...
0
votes
0answers
16 views

SSH Tunnel Revisited (from phone)

I have a question, that I'm not sure has been addressed here. I need to get from host A -> B -> C. I am on A which can only get to C through B. Now this is easy enough by just ssh'ing into machine ...
0
votes
0answers
13 views

Network credentials for Windows 8.1 pro?

What and where are Network Credentials for windows 8.1 Pro? When I try to access various applications such as MyBookLive (others) it asks me for my Network Credentials ID and Password. I have no idea ...
0
votes
0answers
26 views

Access multiple servers from one ip address

I have multiple servers running different webpages, some on different ports some on port 80. Now I know I can setup port forwarding on my router and just use different ports to get to my different ...
0
votes
1answer
39 views

How to configure DNS servers manually on Ubuntu server via bash?

I still want to use DHCP to obtain IP4 and IP6 addresses. DHCP delivers DNS servers I want that the DNS servers from DHCP are ignored and two servers I specify manually are used instead. Must be done ...
1
vote
0answers
15 views

Airport card not working

I have a Macbook pro mid 2010. A time ago I replaced my superdrive with an extra hard drive. All works fine. But I replaced the second hard drive, and managed to damage the Airport connector (a tiny ...
1
vote
1answer
65 views

SSH Bash script for repeated commands on a network cluster

I have a network cluster of about 100 machines, a piece of software and a large list of different parameters for the software. I want to use the cluster to speed up the calculation, so each machine ...
-4
votes
0answers
19 views

Advanced Port Scanner 2679 [on hold]

I have tried NMap and other freeware port scanners, but I don't like any of them. They're difficult to use and very slow. I heard Famatech has released beta version of Advanced Port Scanner ...
0
votes
0answers
33 views

Problems with Network adapter

About 5 months ago I purchased an Notebook HP 14-r002TX. And about a month ago I got a virus I couldnt shake so I just erased the drive and reinstalled winows 7. But I now wasn't able to connect to ...
0
votes
1answer
9 views

Where can I find Network Manager VPN connections files in a Debian 8 Jessie installation?

I had some vpn connections configured through network manager on a Debian 8 Jessie installation and I want to copy them to another fresh install of the same OS.y On the old install I used the default ...
0
votes
0answers
17 views

Wireless for internet wired for LAN games while sharing internet connectivity?

So without using a bridge connection, is it possible? Bridge connections are currently broken in the windows 10 build I am using. Causes my drivers to crash requiring a reboot to get working. As does ...
0
votes
2answers
65 views

Why does my computer download at 800 KB/s when my Speed Test shows 118 Mbps?

I have tried to understand the difference between these two concepts, never very fully. I was hoping someone could weigh in on this for me. Why am I struggling with a slow download speed, a ...
3
votes
0answers
22 views

SSH Connection freezes after minutes of unuse?

I run a RaspberryPi with Raspbian operation system. I have installed a WLAN stick and connected the pi only over WLAN to my network. I can access the pi with ssh pi@pi-ip-address This works fine ...
0
votes
1answer
34 views

How can I directly access a PC in another subnet?

Ok so I have 2 subnets setup in my home network. There is a wireless router (with built in switch) connecting PC A (192.168.1.3) via a wire and PC B (192.168.1.101) via wifi. There is a wired switch ...
0
votes
0answers
18 views

TP-Link SoftAP mode error in Windows 7

Error code: "failed to configure ics, you can connect to softap, share the internet service will may be some problem" I am using TP-Link model TL-WN725N on my laptop as an access point for my Android ...
1
vote
0answers
12 views

Route only HTTPS Connections through TOR

I want to create an tor router on my network using an extra computer I have (2011 Mac Mini). Since the exit node can read/modify traffic that is not end-to-end encrypted, I would only like to route ...
1
vote
0answers
23 views

How to route traffic from one interface to another regardless of source ip?

I asked this question on network engineering, but they told me it was off-topic there and I should therefore try on superuser. So, I'm deploying some raspberry pis for a specific network task. I'm ...
0
votes
0answers
11 views

Asterisk SIP calls ending after 2 minutes using Twilio's trunking service

I have an Asterisk server hosted on DigitalOcean that is having calls drop after exactly 120 seconds using Twilio's trunking service. It is notable that directly connected softphones do not drop their ...
-2
votes
1answer
28 views

How are data packets handled if too many are sent

I understand about DOS and DDOS attacks, but what I am asking is how a network handles being sent more packets than its connection allows so for example [Service A]----------[ISP]-----------[Me] if ...
1
vote
2answers
27 views

Shared external IP address

So Here is my set-up: I have a raspberry pi behind a router. I set a static internal IP address for the pi. I configured the SSH config files and everything how I like it so far. I have a contab ...
0
votes
0answers
10 views

Making mbuffer faster

I'm trying to transfer files as fast as possible across a 10 gig network connection. Up until now, I've been using rsync to move large files across the network, but I'm trying mbuffer now because I've ...
1
vote
1answer
30 views

Router IP does not appear on network

I have the following configuration: Netgear FSV338 vpn filewall(NAT and DHCP) connected to the LAN port of NETGEAR WNDR3400 router. When I connect to the network, I can only see the firewall's ...
0
votes
1answer
27 views

VPN (Windows 7) & local (physical) network access

I've set up a VPN (on a synology server) located at my home, to which I connect using the windows 7 VPN (PPTP connection). When I connect to the VPN while at work, I can see my external IP address ...
1
vote
1answer
19 views

Sharing IP block between two computers?

I'm not too knowledgeable in this matter so I wanted to double check here. Say I have a server hosted in a datacenter with a CIDR IP block 104.x.y.z/28, which makes a total of 13 usable IPs, not ...
0
votes
1answer
27 views

some websites not opening on one network, but on other

i faced this weird problem with my network, i have two networks one is say NetworkA, other is by say Network B.... When i try to open the website wordpress.com and wordpress.org, they dont load ...
0
votes
0answers
14 views

Wired connection losing ONLY internet connection

My PC is connected to my AC-68U router through ethernet, it's the only wired connection, the rest of my household devices are on wireless. I noticed that sometimes, very rarely though, I lose ...
0
votes
0answers
26 views

Windows 8.1 automatically waking from sleep

I have a problem with WOL on my home network, hopefully someone can help as I am all out of ideas. Some info regarding my problem: I have recently setup a mini media server in my house, to host all ...
0
votes
1answer
23 views

Find all machines from a particular network that can connect to my server

A complete noob/novice here so you might have to be a bit patient so this might be a a very simple question We have a server in a specific network, say, 120.1.2.56 and only certain systems from a ...
0
votes
1answer
13 views

Unable to access internet using android wi-fi tethering

Not sure this is the right place to post this question. My issue is actually simple, I have my android device using a data connection, and a hotspot setup on this device. I connect my linux box to ...
1
vote
1answer
102 views

Can't connect to VPN any longer on Windows 8.1

I'm not sure what caused it to stop working, but I cannot connect to my VPN connections that I used to be able to connect to before. I get this error (in Event Viewer's Application logs from ...
0
votes
1answer
25 views

How can I bypass dns for one hostname on one wifi network

I'm a complete beginner when it comes to network administration, and am trying to speed up a connection when possible. I have a service on my laptop configured to connect to my server over the ...
1
vote
1answer
43 views

Cannot resolve hostname “raspberrypi” on home network

I have installed and configured(?) samba on a Raspberry Pi B+ running Raspbian 5/5/2015 and I am not able to ping or connect to/via it's hostname. I can connect via it's IP address, but I discovered ...
0
votes
1answer
20 views

accessing a network from afuer with 3g modem

I have to access a network in a very distant and remote place where I only have good access to 3g .. the problem here is that I have a TL-MR3220 router and a modem ZTE MF180 3g and want Internet ...
0
votes
1answer
39 views

PC no longer finds network adapter

Yesterday I came to find my computer no longer connected to the internet. It is hard wired directly to the router with an ethernet cable. When I started to investigate the problem, I found out that ...
2
votes
1answer
38 views

When I'm connected to two networks with internet access, what exactly is happening as I use internet?

I was just testing a little USB wifi dongle to see whether it's going to work with Raspberry PI. It seems ok on my windows machine. As we have two wifi networks at home, I used the dongle to connect ...
-2
votes
0answers
77 views

How to share a USB device from Linux to Windows/Linux?

I have a tiny Linux box (think Raspberry Pi or similar) with a few USB ports. This tiny box shares its (ethernet + wifi) network with a few Windows/Linux computers. How can I access the content of a ...
0
votes
1answer
19 views

Setting up Arctica 4804i Switch [closed]

I need help setting up this switch: http://www.penguincomputing.com/products/network-switches/arctica-4804i/ I have never worked with switches before and am sitting here scratching my head. I tried ...
1
vote
0answers
40 views

DNS Search Suffix: Multiple domains, multiple DNS servers

I'm at work connected to workdomain.com I use a client VPN connection to connect to homelab.com Now if I ipconfig /all I get: Windows IP Configuration Host Name . . . . . . . . . . . . : ...
0
votes
0answers
16 views

What protocol does WhatsApp use? [closed]

I remember in the old times ICQ and MSN would establish connection between both computers via a specific port. The problem was it wasn't secure, one could even discover the IP of whom he/she was ...
0
votes
3answers
52 views

How can I configure an interface with many static IPs

I am setting up a machine that I will use in a test network and which will host many web sites. I would like this host to have many (on the order of 20k) IP addresses. I know I could add them all ...
0
votes
1answer
28 views

Use my home's public DNS hostname and port forwards internally

On my home gateway/router, I have multiple services running on various ports (SSH, IP camera over HTTP, etc) exposed to the internet via port forwarding. I also use these services internally while on ...
0
votes
1answer
33 views

How can I get rid of the double NAT in this network?

Topology: Incoming Traffic > Modem > Router > Switch > Rest of Network In this image, notice IEAS-FILESVR, incoming traffic goes to the modem/router "IEASOFFICE" into the switch, to the FILESVR ...
0
votes
1answer
48 views

How to securely run two LANs on a single ethernet cable?

there are two rooms (A and B) connected by an ethernet cable (~50 meters long). All the main appliances are in Room A (router, server, firewall, smart switch…). Currently all the devices in both the ...
0
votes
1answer
9 views

Set wireless channel on a DD-WRT router via SSH

I'm trying to change the wireless channel on my DD-WRT v24-sp2 router via SSH. I can persist the channel settings by running; $ nvram set wl_channel=X $ nvram set wl0_channel=X But this doesn't ...
0
votes
0answers
17 views

Listen to a different IP address Nodejs server [closed]

This is my code: server.listen(8000,'visi1-sih-web'); server.on('listening', function() { console.log('Express server started on port %d at %s', server.address().port, server.address().address); }); ...
0
votes
2answers
26 views

remexec fails to connect with 10060 error code

I'm trying to execute command via remexec on my VM. VM has own IP address, and it's pinged, and even shared folder is working via IP. But remexec fails: C:\Users\User>remexec 192.168.72.133 -q ...