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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6
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3answers
12k views

Find out what program runs in the java.exe process

I have a problem: always when my computer starts, there is a java.exe process listening in the port 7676. I want to find out what it is to be able to delete it. Is there any way that I can find that ...
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
601 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
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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
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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 ...
1
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0answers
155 views

How to check Server's(zimbra) open pop3 which is not porvided?

I am student of DA-IICT, Here we have Zimbra mail Server They haven't provided POP3 port to us, there is one port for pop3 is open that all of my professor uses. I have checked Zimbra's setting ...
1
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4answers
11k views

USB 3.0 ports backwards compatibility problems with 2.0 devices?

I see some info on the net that suggest that I should be able to get my USB 2.0 devices to work in 3.0 ports. I only have two 2.0 ports on my new computer, and six 3.0 ports. I have installed ...
0
votes
2answers
141 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
vote
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 ...
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. ...
0
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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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1answer
115 views

Identify unwanted ports

My Ubuntu 8.04 server has been reported for sending spam mails. I can't figure out which program is sending the mail. Can anyone help me in identifying the unwanted ports in my Ubuntu server? Here ...
-1
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.
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 ...
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 ...
0
votes
1answer
127 views

Scan for a range of free Ports

Working on an application that uses cameras. The camera controller has a single IP address (I can define that IP) on the network and each camera is accessed using that IP plus a Port. The controller ...
7
votes
4answers
19k views

How do I change RDP port on Windows 7?

How do I change the port that I use to remotely access a Windows 7 computer?
3
votes
1answer
201 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 ...
5
votes
7answers
10k views

Utility to open TCP port to listen state

Is there some basic utility to open a specific network TCP port on my machine? I need to test how my program deals with ports on listening state..
0
votes
1answer
49 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 ...
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
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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 ...
1
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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.
2
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3answers
145 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 ...
6
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1answer
223 views

what port is this

I've not seen this port before, it looks kind of like a HDMI port and has this symbol next to it... what is it? It's on the back panel of a desktop computer.
3
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3answers
955 views

What are ports and protocols really?

I hear people talk about ports and protocols (in relation to computer networking), and they often provide analogies for them (for example: "a port is much like a shipping port, it sends and receives ...
0
votes
1answer
732 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 ...
6
votes
5answers
7k views

WWAHost.exe using same port as Apache

I have installed XAMPP 1.8.1. on my Windows 8 64bit machine. I'm now facing a problem with ports. This is what I got from XAMPP Control Panel: 11:52:43 AM [Apache] Problem detected! 11:52:43 ...
17
votes
5answers
39k views

Test if a port on a remote system is reachable (without telnet)

In the old days, we used telnet to see if a port on a remote host was open: telnet hostname port would attempt to connect to any port on any host and give you access to the raw TCP stream. These ...
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
2answers
755 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
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0answers
112 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
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4answers
3k views

HP nc6220 docking station - what is this port?

I recently picked up an HP Compaq nc6220 and a docking station for it. Looking at the back, I saw a port that I didn't recognize: It's too small to be a normal DE-9 connector. What is this port? ...
0
votes
3answers
2k views

Localhost is forbidden when using IP address instead of 'localhost'

I'm trying to access my localhost from my Android tablet, but I'm having problems. I'm using WAMP server and configured the httpd.config file, and port forwarded 80, but I still can't access localhost ...
0
votes
0answers
41 views

USB 3.0 static discharge?

I built a computer last year and for the most part it's been working fine. However, there is one particular usb 3.0 port on the front that's been giving me headaches: when I plug in my portable hard ...
2
votes
4answers
8k views

VNC on port 80 (TeamViewer can do it)

How does it come that programs like TeamViewer can communicate without any problem on port 80, but it is not possible with VNC? Are there any free and open alternatives to VNC that can do this, too?
0
votes
2answers
58 views

Per executable UDP port redirection possible?

I have a black box program which listens on a particular UDP port. I'd like it to listen to a UDP port of my choosing. Is there a way to trick the executable into listening on a differen port. I ...
1
vote
4answers
2k views

Netstat with does not show port 80- in use. How can I force port 80 to break connection.

Apache will not start because port 80 is in use by an unknown. Netstat with various parameters does not show anything listening to port 80. How can I force port 80 to break the connection when nothing ...
1
vote
1answer
107 views

Does a web server use a different port transport data?

Say I have a web server process listens to Port 80. When a client visits this site, will the server pick up a new port to establish connection for data transferring, or just use Port 80? Use default ...
0
votes
1answer
141 views

Stop listening port 135

I have done following things Navigate over to key: HKEY_LOCAL_MACHINE \ Software \ Microsoft \ OLE At the right column, locate the value "EnableDCOM" and modify the value to "N". [3] Navigate to ...
0
votes
1answer
561 views

Centos 6 server does not open ports

So after some battling and struggling with the firewall, i see that I may be doing something or the firewall isnt responding correctly there is has a port filter that is blocking certain ports. Okay, ...
2
votes
1answer
95 views

How to monitor TCP and UDP port changes

I am running software on a server that may be turning off some ports and need to find out what it is. I have the ports I need to check. I just need to find out what is turning them off. How can I ...
0
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0answers
46 views

Why are all my laptop usb ports acting up?

I bought the Asus G75VW around 8-9 months ago, and everything was more or less okay. Now for around a month, all of my USB ports seem to be loose. Tilting the laptop slightly will disconnect them (and ...
2
votes
2answers
2k views

Port 8000 locked by an application

I have a similar problem as the one discussed in this thread Why is System listening on port 8000? and the solution given there did not help me, so I am raising a new issue! I am using Virtual DJ SW, ...
0
votes
1answer
100 views

Firewall between Client and Server - Which ports do you open?

I want to know the following: (exam type question) When you have a client-server system, that uses uncommon ports (e.g. in range 48000 - 49000), and you have a firewall between the client and the ...
0
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1answer
115 views

TCP > COM1 for receiving messages and displaying on POS display pole

I currently have a Java Applet running on my web page that communicates to a display pole via COM1. However since the Java update I can no longer run self-signed Java Applets and I figure it would ...
5
votes
3answers
859 views

What is ::: in the Local Address of netstat output?

This is the output of netstat -tulpn that I get: tcp 0 0 127.0.0.1:2208 0.0.0.0:* LISTEN 2055/hpiod tcp 0 0 127.0.0.1:631 ...