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

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83 views

Does the sequence number of TCP packet headers wrap around?

I was wondering, since the sequence number in a TCP header field is randomly chosen during the handshake and is gradually being incremented as packets are being exchanged, what happens when, after, ...
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1answer
15 views

Shortcut key to open Current Wireless Network STATUS dialog window on Windows 7 & 10

I want to get to this Wireless Connection Status Window with only a keyboard shortcut as I need this often. Perhaps Windows already built this in but I don't know about it OR perhaps we can build a ...
0
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0answers
3 views

Web server slow on lan using URL, fast using local IP

I have a web (HTTP) server set up behind a router in my house. I have set it up to use DuckDNS with a subdomain name. For the purpose of this explanation I'll say that the subdomain is ...
2
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0answers
18 views

Firefox is always using proxy server when entering single hostname

We have the following problem here: When entering a single hostname without suffix in Firefox the browser will always attempt to send this request to our proxy server. The proxy server itself is in a ...
1
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0answers
6 views

Connect Cannon PIXMA MP499 wirelessly with Ubuntu 14.04.2 LTS

I have a Cannon PIXMA MP499 all in one printer and I can't seem to figure out how to get it to wirelessly connect to my laptop. I am running Ubuntu 14.04.2 LTS. It connects fine via USB but I would ...
0
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1answer
16 views

Looking for a “http proxy” project or code that can be self-hosted, creating a personal proxy avoider

Over the years I have come across sites that are listed as “proxy avoidance and anonymizers” by my school censor. Some of these proxy avoidance sites allow the ability to surf the Internet through ...
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1answer
66 views

Can Comcast see me naked?

I got a new laptop within the last month or so and have started my own adult entertainment website. I have a TON of success on here, but that's besides the point. Recently I have had more Comcast ...
0
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0answers
17 views

Windows 10, VPN and slow DNS lookups

I can't seem to figure this one out. I was using windows 7 and I had no issues with being VPN'ed into work and browsing websites. Since switching to Windows 10, it's another matter. Windows 10 and no ...
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0answers
13 views

How to connect a Wi-Fi AP to an 802.1X-protected Ethernet LAN?

To connect my laptop to my organization's Ethernet LAN, I have to enable IEEE 802.1X PEAP authentication, and set the authentication method to Secure Password (MSCHAP v2), which requires no ...
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0answers
6 views

Hash sum mismatch error; can't connect to VPN

I'm using Backbox Linux 4.3 on my laptop. Whenever I try to update my OS with sudo apt-get update, it always fails with the "Hash Sum mismatch" error. I tried to update with different mirrors, run ...
0
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0answers
15 views

Cannot connect to local server from Mac

I've set up a local server (Tomcat) that I can access from e.g. my phone browser at a designated URL http://mydomain and network IP 192.168.0.1, as well as by ssh ssh user@mydomain / ssh ...
0
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1answer
27 views

Finding which browser tab connects to a given IP address

How can I find out which browser tab/task/webpage (Chrome foremost, Firefox second) is or has connected to a given IP address ? For example, if I'm interested in one of SE's IP addresses, my system ...
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0answers
20 views

Unable to Boot Ubuntu OS of Cloned VM

Using VMware version 5.5.0, I cloned a virtual machine running Ubuntu 14.04 LTS (GNU/Linux 3.13.0-24-generic x86_64). Prior to powering on the cloned machine, I disconnected it from network adapters. ...
0
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3answers
41 views

Slow Wi-Fi file transfer

I have router Netgear DGN3500 and I recently bought a D-Link DWA-123 N150 dongle to get faster file transfers from my laptop running Windows 7 32bit to my PC running Windows 10. My PC is wired to the ...
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0answers
21 views

Laptop doesn't detect specific wifi network

I was using Windows 8 when I encountered this problem. My laptop's WiFi detects all WiFi networks but does not detect my office's WiFi. I am in range and my phone and colleague's laptops are ...
0
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2answers
32 views

Storing and retrieving a static IP address in a non-standard location in Debian

I need to store my static IP address in a non-standard location; say an EEPROM. This can be retrieved using a shell command. Is it possible to configure /etc/network/interfaces file in such a way ...
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0answers
23 views

Connecting to a machine which is only reachable through a computer which is only reachable through a VPN

I have the following problem: I would like to connect to some machines (get their files in the Windows Explorer) without having to use a RDP connection to the controller Server, because the amount ...
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0answers
16 views

Windows 10 no wifi + cant find registry key

Just up graded from windows 7 to windows 10 and now my wifi doesnt work.When i put in reg delete HKCR\CLSID{988248f3-a1ad-49bf-9170-676cbbc36ba3} /va /f it says the system was unable to find the ...
0
votes
2answers
16 views

How can I capture the outgoing traffic from a Bridge?

Sorry if my question is unclear. I am not network expert. I have a Bridge that connects my network to an external network comprises of several nodes. The Bridge receives my request including the ...
1
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1answer
22 views

Regaining access to ddwrt

I have a secondary router which is running dd-wrt, and configured as a wireless repeater on my home network. It functions perfectly well, but I would like to log in to change the settings. I am ...
0
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0answers
7 views

How to find configuration that wil emulate specific network conditions with netem / tc?

We had our otherwise well tested application fail once it was deployed on a device connected via a poor wan connection. To be able to debug this we want to reproduce the bad network conditions in a ...
0
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2answers
28 views

Port 21 is open but I can't connect to FTP server

I have a very basic FTP server running on Windows 10. Right now, I have no trouble accessing this server from my WLAN. However, when I try to connect from outside my network—using my public IP on port ...
2
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1answer
21 views

How do I make a server accessible over the internet

I wrote a chat client and server in Java. It works but as I'm finding out, only locally. The goal is to get it to function over the web. I've tried quite a lot of things, and can elaborate if need ...
0
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1answer
24 views

What is the number that comes after the interface name in “ifconfig -a” output?

What are these numbers 2043, 2091, 2276, 2324 that comes after the interface name—such as eth4 in this example—when I use ifconfig -a? eth4 Link encap:Ethernet HWaddr 00:0F:53:27:81:00 ...
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2answers
65 views

Internet access directly through modem, but not through router [duplicate]

I’m trying to set up a new network at my home and am having issues... in short, I can access the internet through my modem directly, but not through the router. Here is a brief writeup for today's 4 ...
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0answers
25 views

Kali linux 2.0 Not showing wireless networks

I know this question has been asked but not in this manner.I have throughly searched and could not find anything close to my problem. I am currently running kali 2.0 alone on my macbook pro retina ...
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0answers
24 views

How to connect to PC that is not at same network [duplicate]

Is there any way to connect to some pc that is not in same network as one you are using. Example: I'm at school and I forgot USB at home. I have some presentation for today and I left it home, so I ...
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2answers
31 views

Slow (9MB/s) file transfer over AC Gigabit Wifi

Here's the network route. Windows 8.1 SSD --> AC Gigabit Wifi 5ghz Intel(R) Dual Band Wireless-AC 7260 Link Speed 173Mbit --> ASUS Dual Gigabit router RT-AC87R --> Cat 6 --> Windows 8.1 SSHD ...
0
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1answer
12 views

Is it possible to install 2 IP cameras in the same Wi-Fi network in a way that they are both visible by external networks, e.g. 3G mobile networks?

As just stated in the title, I am having trouble installing 2 IP cameras such as these pictured below. Basically, they both work with Wi-Fi network, but when I switch on 3G only one of them is visible ...
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1answer
18 views

GPS device which can send location update to URL [on hold]

I am trying to find a GPS device which can send the location update to specific URL standard format. I searched web but all the device makers have there own URL update but I want a custom URL update ...
0
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0answers
12 views

2 networks - 2 gateways - 2 dhcp-servers SHARE 1 print-server + 1 file-server

I have two networks: A: 192.168.0.0/24 B: 192.168.1.0/24 Each network has it's own gateway out to the internet and each of them as it's own DHCP-server running. Network B want's to share it's ...
0
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1answer
41 views

Computer is sending / receiving data form a computer and I don't know why

So I have been playing with WireShark and I have found something weird. After closing every application that uses the internet (As far as I know) I have found that my computer is sending / receiving ...
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0answers
11 views

Some of my clients report a route change when they reboot\refresh their IP?

I made a gaming server recently that hosted by my ISP. Some clients report a change or improvement in ping/latency times from 50ms to 20ms by rebooting their modem/router to get a new IP address, and ...
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0answers
5 views

Make wlan0 interface getting up at boot?

I made a service which starts at boot (prio. 96 at any rc level) This service does ifconfig wlan0 up 3. once boot has done, I check ifconfig: there is no wlan0 4. I restart the service, I check ...
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0answers
14 views

Implementing TCP hole punching

I have theoretical knowledge about TCP hole punching and i want to connect two devices behind two different NATs. What is the easiest way to do so? Is there any softwares for making the task easy?
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0answers
17 views

How does Windows Explorer determine categories for devices on the network?

I have a number of devices on my network: some PC's, servers, and printers. When using Windows Explorer to view my network devices are separated into two categories: Computer (Number of devices) ...
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0answers
18 views

How to secure a virtualised web server

I do front end web development for clients and have a local webserver that acts as my production/staging ground The webserver is virtualised on a windows 7 machine that has Ubuntu installed within a ...
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0answers
15 views

Errno socket error

Running Ubuntu 15 on Windows 10 through VMware. It seems it is general networking error. But I have no idea what could be triggered it or how to fix. Code: buildozer android debug Error: ...
1
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1answer
18 views

How can I use Pacemaker to setup a virtual IP for receiving syslog messages?

I need to setup a VIP / floating IP that network devices will send their syslog messages to. The idea behind the VIP is to have a highly available setup in an attempt to minimize the amount of logs ...
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0answers
10 views

How to set correct MTU for OpenVPN link

I'm trying to use my OpenVPN SSL connection over a restricted satellite connection. The issue seems to be related to the correct MTU. When pinging from windows 7 machine the highest payload that can ...
3
votes
3answers
60 views

Windows 10 “Not connected - Connections are available” and “Limited” yellow warning but Working internet connection

After upgrading my dell xps 13 (2015 model) from win8.1 to win10 all worked fine really fast top notch combination, untill after a week it now shows a yellow triangle warning icon on to of the wifi ...
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0answers
11 views

Outgoing traffic using Local(internal) PC IP address to a DDNS hostname

Sorry if the title is confusing. I have two devices connected through the internet. I need device A (Windows Server 2012) to send data down to device B, but unfortunately device B does not have a ...
0
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2answers
20 views

tcpdump not capturing any packets

I'm trying to monitor what's going on in my network, so I've tried tcpdump command. I'm just learning to use it, so I thought on playing around a little bit with it. My problem is that I cannot ...
1
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0answers
19 views

Is it possible to setup a NAT loopback on a router with a dynamic IP using iptables?

I've set-up a Raspberry Pi home server attached to my router. I have a dynamic IP. I can access the server within my network using the internal IP (192.168.0.8). I can also access the server outside ...
0
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0answers
10 views

How can I browse and stream a media collection on a non-local server?

I have a server full of video (in a datacenter) that I want to stream to my computer at work. It's not hard to just run VLC on both ends, but I would like to be able to browse the collection and ...
2
votes
2answers
25 views

ssh between machines behind different routers on the same network

I have 2 machines, A and B. Both of them are connected to their own wifi access point (routers). Both the wifi routers are connected to the same private LAN, like a university's intranet. A's ...
2
votes
2answers
47 views

Resumable Downloads corruption due to ISP redirection

I have a Bsnl bradband connection in India. Whenever I turn on router and open any link the first time, it gets redirected to mail.bsnl.in page. That could be a way of promoting their email service. ...
0
votes
1answer
50 views

Find MAC address of a device on the other end of an Ethernet cable

Before anyone points it out, this is a different question to Check MAC address of a device on the other end of an Ethernet cable. I'm interested in an automated way (rather than Wireshark, etc) of ...
0
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1answer
21 views

No FQDN access to local server from local network, only from outside

Ubuntu 14.04 set up with several services (media server, cloud backup server, etc) on FQDN updated with no-ip. The server is set up behind a ZyXEL router and is not a gateway or DHCP server, just a ...
0
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2answers
30 views

What is the average size of a packet sent via TCP/Ethernet?

A message isn't sent in it's entirety - it's broken up into little packets of data, each one going to a specific destination. But how little are those packets? I can't find the answer on Google.