A port provides a location for an application to interface with the network. If there is no application that is listening at a particular point, data sent there will never be used.

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1answer
66 views

Use Router (External) IP Address for Dadicated Server [closed]

Currently i am in India. i have Broad Band Connection. I have TP-link router and i want to use router's external ip address for my dedicated server. Is it possible.? I am java developer not much on ...
0
votes
0answers
103 views

Routing home server through VPN to bypass blocked ports

I am currently running Windows Server 2012 R2 in a virtual machine on an iMac. The server is serving a site using IIS as of now and I would also like to host an email server with it. Now, the problem ...
4
votes
3answers
901 views

How to force a process transmit over UDP instead of TCP?

I 'm running an ffserver process on a Linux machine, in order to achieve video streaming via ffmpeg. However, there is a delay on video streaming. On ffserver configuration file I define Port 8090. ...
0
votes
5answers
304 views

Cannot Delete Unwanted COM ports - Windows 7

I recently installed a Cannon wireless printer for temporary use, the drivers of which set nearly all my COM ports to be constantly in-use (an occasionnal bug noted in the ReadMe after installation ...
0
votes
2answers
120 views

Ran “network restart”, netstat shows no open ports, server still says port is in use

I am doing some web development in django (python). The program runs it's own development server on port 8000. I turned off the server and now need to restart it, but I'm getting an "Error: That port ...
1
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1answer
34 views

Linux distribution detection with Nmap

When I run Nmap with OS detection it delivers the kernel version of the Linux host instead of the name of the Distribution. Nessus does Os detection based on banners ...
0
votes
0answers
62 views

Observing Output Current/Voltage from USB Port

I am working on a project where i am required to observe the current draw from a circuit. In a lab, I have access to power supply/multimeter and can easily check how much current is being drawn from ...
1
vote
1answer
64 views

Reset a single USB port

I have some USB devices, that sometimes need to be physically removed and plugged back in. They are mostly USB mobile broadband devices. For some cases I only have to unplug the device and put it back ...
2
votes
4answers
1k views

Should I run my small website in port 80, 8080, or 81?

I am running a small website using nginx. Since there's (probably) not going to be a lot of traffic in my server's lifespan and to avoid random DoS attacks, I am considering setting the web server to ...
0
votes
1answer
59 views

Killing daemon and closing port without ability to use 'lsof'

I have an application that spits out the time when it is requested from a client. I don't have permissions to use port 13, so I put it on a really high-numbered port. Now I can't kill that port, and I ...
1
vote
2answers
350 views

Communicating with the LPT port through USB adapter

I have a proprietary hardware which accepts input on the parallel port. The problem is the PC which needs to communicate with the hardware doesn't have a parallel port and I can't change it's ...
-1
votes
3answers
27 views

Is it possible to take away tcp port which is already listened by another program

Is it possible that some program B can take away port which is already in use (listened) by program A. Should the program A (server whitch is listening some port) actually check the port status after ...
0
votes
1answer
71 views

Open ports 8456, 8832, and 54321 on my wifi router

Ran a port scan against my WiFi router (Trendnet TEW-633GR), found this: PORT STATE SERVICE 80/tcp open http 8456/tcp open unknown 8832/tcp open unknown 54321/tcp open unknown Port 80 ...
0
votes
0answers
38 views

Pow server - my site need port number for .dev

there, I am new to Ruby and trying to use Pow in my Mac. When I type MYSITE.dev/ in my browser, it always says "The connection was reset". But it works fine for MYSITE.dev:20559. It seems that I ...
-1
votes
1answer
61 views

How can I make a domain point to a certain port without doing www.example.com:7000

I have a domain, and I would like to point play.thedomain.com to the ip:port, so I want my play.something.com to point to, let's say 127.0.0.1:25577 (I know, that's localhost, just an example) I do ...
0
votes
2answers
42 views

Different server based on port number

I currently have a VPS setup with a Minecraft server on it running on port 25565. I also want to have a blog for my server using Tumblr which means that'll need port 80. The problem I find is I can't ...
1
vote
1answer
55 views

The Risk of Port Forwarding to a VOIP Device

My VOIP provider uses a device to supply the service. The device is on my side of my router and part of my LAN. He requires I forward a very large range of ports to his device (something like 5000 ...
0
votes
2answers
1k views

How to find out what is running on localhost port

I have something running at port 9090 on my local machine. It's probably something I set up long ago and forgot about... how can I find out what it is? I am using Windows 8.
0
votes
1answer
411 views

HP USB P2015 printers create new virtual USB ports in Windows; seemingly at random

We have the following scenario: 30 laptops 30 HP Laserjet P2015 printers all coupled via USB The users can sit at a different place, a different printer (though the identical model) every day. ...
0
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0answers
68 views

How to force download on a specific lan port on Synology?

I have a synology DS409+ which is connected to internet via lan port 1 and Wifi key. Those are from different networks. I would like to force Download Station to download files through wifi and not ...
1
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2answers
172 views

Source port 443?

I'm might embarrass myself with this question, because of something really obvious, but I'm puzzled. My home broadband firewall log says it has been blocking incoming TCP traffic with a source (!) ...
0
votes
0answers
47 views

Port forwarding : open port without any response

I've been playing around with my router recently to be able to access my localhost (ran by xampp) from outside. I've managed to open ports 80 and 443 and I've confirmed it with ...
0
votes
1answer
31 views

is it possible to link different email accounts to different network profiles?

My work firewall for wired internet blocks almost every port except http, https and maybe a few other web-related ports (993, 465 and everything else to do with IMAP is blocked). Impenetrable for, ...
1
vote
3answers
99 views

Quick way to scan for opened ports on local network according to a list

How can I quickly find out whether port 80 is open/listening on a server via a bash script? Normally on all workstations the daemon is running, but sometimes it fails. I use the following command to ...
0
votes
4answers
532 views

Warning: remote port forwarding failed for listen port 'xxxx'

How do I find the process that is listening on port 'xxxx' and kill it? I have RemoteForward 2022 remote.host:22 in my .ssh/config file. Whenever I ssh into a remote server: ssh staging-environment ...
0
votes
3answers
617 views

Source Address / Source Port vs Destination Address / Destination Port

I am new to TCP/IP and trying hard to learn basics. Well, I really wonder about inbound rules and outbound rules of Firewall and concept of source adress:port, destination adress:port. For example I ...
0
votes
1answer
140 views

FTP client sends a wrong PORT command

I have a Windows 7 machine connected to 2 subnets, with IP addresses 10.0.0.241 and 172.17.240.94. On this machine runs a 3rd party java application that internally launches an FTP client session, ...
3
votes
1answer
602 views

Difference between port mapped and memory mapped access?

Can anyone explain what's the difference between port mapping and memory mapping, and what having both accomplishes? Why is there port mapped, how does it differ in structure from memory maps, and is ...
0
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0answers
37 views

Program to remove virtual COM ports

I have a program written in python that does a lot of bluetooth connections with multiple devices. I've had an issue that after a number of device connections, I can no longer connect to a bluetooth ...
0
votes
1answer
151 views

Jenkins listens on weird ports

I use Centos 6.5 and Jenkins 1.547. I installed Jenkins as outlined in Jenkins's wiki. I configured Jenkins to listen on local port 8081. netstat -tulpn reveals that Jenkins additionally listens ...
0
votes
0answers
52 views

Send traffic over specified connections by port

I am currently at a college with an extremely restrictive network. No outbound ports are open except 53, 80, and 443. I can't do any of the things I'd like to do like FTP, SSH, etc., which is ...
0
votes
2answers
143 views

How to remove IIS for WampSERVER?

I have WampServer installed, and I installed Microsoft SEO Toolkit, I guess that has the IIS dependency. And I guess the iis service uses port 80. Now every time I start WampServer, I need to go to ...
1
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0answers
98 views

Connect Mobile phone/ GSM modem to a VPS or hosting dedicated server

I have a Nokia E71 phone that I am using for as a GSM modem to send out SMS (text message) through the web application I wrote. Everything is working fine on my local machine and now I am looking to ...
0
votes
0answers
169 views

Can't stealth or close port 1024

I'm running Win7 64-bit (Home edition) and Huawei HG533 router. Have used GRC and several other sites to scan the computer and all say that port 1024 is open, have used several different firewalls to ...
1
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0answers
49 views

PID 4 Windows 8 Sony VAIO laptop

I cannot figure out which service is kicking off "ntoskrnl.exe" and taking away port 80. I have already checked all the answers related to this on superuser. ...
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votes
1answer
52 views

Open port in apartment network [closed]

everyone, I'm living in a apartment an using a network with private IP. In this network, BitTorrent is work correctly and can seeds data. The question is, can I open 80? Thanks for help.
1
vote
1answer
66 views

What cable do I need for this port?

I have tried to plug a monitor to a Dell computer into the VGA slot and I have received this message : This computer has an add-in graphics card, but the monitor is plugged into the integrated video ...
7
votes
5answers
6k views

USB Ports Not Working

None of the USB ports work anymore on my HP EliteBook 2540p laptop which is running Windows 7 Pro SP1. By "not working," I mean if I try plugging in a thumbdrive or external HDD it does nothing ...
3
votes
1answer
203 views

Can't access YouTrack, unless using Firefox

Problem I cannot access JetBrains YouTrack using Chrome or Internet Explorer, but I can access it using Firefox. Background and troubleshooting that has already been performed It is running on an ...
0
votes
2answers
53 views

How to view masked IP adress and port?

In my friends work place there is normally a broadband network and they PC's connect through Router and there is one website like this <10.1.1.7:9095> and i really wanna figure out what this ...
0
votes
1answer
43 views

Can port number get masked like IP?

I have one IP address which looks like this 10.0.0.1:9095 and as far as I know HTTP can only use port 80. How is this masked URL working?
1
vote
2answers
94 views

Can this port be used to connect an external display to laptop?

I have a monitor attached to my laptop via HDMI and want to attach a second monitor. In attached screenshot what type of port is below, the one to left of USB ports ? Can it be used to connect a ...
2
votes
1answer
79 views

What type of port is this?

What type of port is this? It is on the back of an older (circa 2006) EMC Array.
0
votes
1answer
50 views

How can one verify the port configuration of a firewall?

I am a contractor on a project and have provided a port configuration requirement to the Server Hosting service provider for my project. How can I verify that the ports are configured and "open" for ...
1
vote
0answers
69 views

Is it possible to bind an application to a specific WAN port using a DI-LB604 dual wan Router

What I'm trying to do is bind applications to specific WAN ports to maximize internet usage and prevent applications from getting all the bandwidth as well as categorizing which ISP they should be ...
2
votes
3answers
146 views

Is the same port acting as both client and server?

i find something strange in this netstat output. the output is taken using netstat -a -n -o -p TCP command on win 7. Proto Local Address Foreign Address State PID TCP ...
0
votes
0answers
33 views

Tunneling a license based on smartsniff output?

I use ssh tunneling through putty in windows 7 to connect windows desktops at work and have been able to use ssh-tunneling for a matlab license in the past as well. However, now I had a program ...
0
votes
0answers
113 views

Mac OS X: Port 8001 blocked in XAMPP. No Firewall on, no ISP interference

I have been trying to setup a new site on localhost which needs to be accessed via a separate port, for example port 8001, 8080, etc. As long as it is unused, I can apply it in this case. I have ...
0
votes
2answers
757 views

Connect Two Computer from Behind Firewalls

The recent advent of BitTorrent Sync has made me curious as to how they accomplish a reliable, peer-to-peer connection between two internet-connected computers. Within my limited understanding and ...
0
votes
1answer
735 views

Firewall open ports for vSphere

I need to open ports on a firewall, so that a client could access his VM console through vCenter server's Web Client. I had a look at this page about port description, but I am a little confused. I ...