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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23 views

Change HTTP/S ports in OS X Server?

I am setting up OS X Server on a local computer (for managing a few devices.) I contacted my ISP to allow me to set up port forwarding, and they said that incoming ports 80 and 443 are disabled. Which ...
0
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0answers
27 views

Opening my Unreal IRCd server to the internet

Good afternoon! I have been trying all day to get my Unreal IRCD server to accept incoming connections from outside my localhost (so my friends and I can chat, obviously) I have read tons of online ...
0
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1answer
39 views

How can I open ports on my Linksys RV082 router?

I bought a Linksys RV082 small business router. It's a nice 8-port wired router with a lot of configuration options, and so far it's working pretty well. One of my computers on the LAN is a server ...
8
votes
3answers
18k 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 ...
1
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2answers
2k views

Forwarded port 80 to VM using VirtualBox, how do I open access to network?

I forwarded port 80 to my Ubuntu Server VM, and the website is very much accessible locally. How do I allow incoming port 80 connection to Windows 7 (so it will be forwarded to the Ubuntu Server)?
2
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0answers
38 views

What is the difference between these two ways of telneting

I'm trying to check to see if a port is open on something. If I telnet licensemanager.domain.edu 25734 then I get a black screen waiting for input (blinking cursor) but if I telnet and then o ...
7
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8answers
18k 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..
1
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3answers
130 views

NMAP sees open ports, but netstat doesn't show listeners on them

I just scanned my PC remotely with zenmap, and see a number of open ports not related to any services I'm providing. Redacted list of ports: PORT STATE SERVICE 32/tcp filtered unknown ...
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votes
3answers
322 views

Secure FTP Port between Filezilla and Godaddy

I recently upgraded to Filezilla 3.0.x I am getting "filezilla error: Failed to retrieve directory listing godaddy" errors from Filezilla which i believe is because of a blocked port on my firewall ...
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0answers
49 views

WAMP change phpmyadmin Port

I found a couple topics on how to do this here, but none of them seemed to work as WAMP has changed the structure of the files in mention. Here is my config for phpmyadmin. I'd like it to run on a ...
0
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3answers
1k views

Running VPN server and Apache conflicting ports

Currently my setup is with XAMPP and a simple VPN server provided by Windows Network connections. If I delete the Incoming Connections, start apache and then remake the VPN server like this: It ...
8
votes
3answers
37k views

How to kill a particular tcp connection in windows?

On Linux we can kill an Established TCP Connection using tcpkill command. For example, to drop all connection to/from a particular IP: tcpkill host ipaddr Or similary to kill all connection ...
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votes
1answer
66 views

Connecting to Apache server over SSL when it's behind NAT and the public IP & port are known?

I want to connect to an Apache server over SSL (with both client & server certificates) when both the client and server are behind NAT firewalls. I can't port-forward and I have to assume that all ...
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votes
2answers
129 views

How much would it cost to replace HDMI port if it can be done separately [closed]

After the lightning struck my house, my PC doesn't recognize TV as a output, while TV recognizes HDMI input. Exhausting a lot of options here http://redd.it/2ribe7, I want to know would the whole ...
0
votes
0answers
101 views

Windows 7 ports Blocked even after disabled Firewall

    I am installing 3CX PBX on a Win 7 Pro Machine, in a SBS2011 domain. The problem I am facing is the Ports that 3CX uses are blocked. This Windows 7 , is VM in XenServer 6.2 ...
0
votes
1answer
44 views

Why is Port 135 So Overused

I'm studying Windows Server Port numbers at http://support.microsoft.com/kb/832017, and I notice that so many services use Port 135 What was the logic in setting this standard? Is this because one ...
1
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2answers
56 views

Firewall and Torrent

I use my university internet network and all incoming connection is blocked on every port.(they use netasq firewall) They have no other restrictions which stops me from using a torrent client. Using ...
2
votes
1answer
6k views

How to use LAN1 port as second WAN port? (dir-615)

I have STB, internet connection with PPPoE and router D-link DIR-615 with dd-wrt. I want to STB ip will be assign from ISP directly. Or set up iptv something different. P.S. Router is D-link DIR-615 ...
1
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1answer
288 views

Multiple SSH ports for Synology Diskstation DSM 5.1

I have a Synology Diskstation that I recently upgraded to DSM 5.1 (5004). I previously had my system configured to allow connections on both port 22 and port 10000. After the upgrade, it appears that ...
0
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2answers
70 views

Why other port in URL in front got http?

An example of a URL that links to a web hosting control panel: http://example.com:3500 HTTP is port 80. Why does it list port 3500? Is it port 3500 or port 80?
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votes
1answer
27 views

Why URL that reach specific port in front got https?

Some web hosting control panel must use URL https://example.com:3500 to reach it. If I do not type https, browser will not reach it. HTTPS is port 443. Is it port 3500 or port 443?
0
votes
1answer
28 views

java.net.BindException on app crashing and port already in use

I just ran a jar on a ubuntu server using a default port. The jar was stopped using ctrl+z. On restarting the port was already engaged and OS has not released the port for use. I want to use the port ...
0
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0answers
82 views

Cannot curl webserver from outside network

I have a webserver running on one of my home computers. I am able to access it within my network, on another computer, with curl localWebserverIP:8888. However, I am having issues accessing it from ...
0
votes
1answer
139 views

Monitor switch traffic load on specific port (CISCO managed switch)

For troubleshooting networks problems I need to know how to monitor the traffic (work load) on a managed switch. I read about SPAN for CISCO switches. But it seems to be overkill since it does mirror ...
0
votes
0answers
13 views

Streaming same video on four different ports with same IP

I want to stream a video on four different ports on a same interface and also needs to receive in the same way. I think receiving is OK as i can have socket but how to stream the video in that way in ...
1
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3answers
14k views

How to block all ports except 80,443 with iptables? [duplicate]

Blocking all ports(in and out) is easy but it's hard with the word "except". I don't know any rules that satisfies the condition. PS: I know this question is nothing new. But in fact, I didn't find ...
0
votes
1answer
59 views

How could I test a port forward attempt was successful

I have set a random port number to a private IP address that's connected to my network. This device that exists at that private ip on the network is running linux. I setup this port foward from a ...
0
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0answers
129 views

port forwarding in ZTE F620

it have been for 3 days to make a port forwarding in my ZTE router and still there is no product. I want to open 80 port for one of my computer (which local adress is 192.168.1.11). ill give you ...
0
votes
0answers
118 views

Invalid HTTP response received from host on port 443

I am facing issue with my nagios monitor installed in centos 6 server saying HTTP CRITICAL - Invalid HTTP response received from host on port 443:. i have opened the port but still giving the same ...
1
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2answers
8k views

Block all ports except SSH/HTTP in ipchains and iptables

How can I block all ports except ssh (port 22) httpd (port 80) using iptables and iphains?
0
votes
0answers
96 views

How to prevent Dropbox from blocking port 80?

I need port 80 for Apache and Dropbox uses the same port. Of course I could disable/uninstall Dropbox, but I would prefer to redirect it to some other port. Is it possible? I searched for "dropbox ...
0
votes
0answers
240 views

ntoskrnl.exe NT Kernel & System on port 80 blocking Apache server 2.4 on Windows 8.1

Windows 8.1 Apache 2.4 Both Apache and IIS servers had been working with no problems. I tried to start Apache for MySql and had a 'Request operation has failed' message. Tried to do a manual start ...
0
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0answers
63 views

Cannot open port 25565 and others

I try to open my Minecraft server and my gmod server ports. Now I only try Minecraft and I tried to open in 192.168.1.1 in Windows firewall. I went to this site: ...
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0answers
99 views

Nodejs remote debugging ports closed

I have a problem with nodejs remote debugging. I'm using centos on remote server and phpstorm on my PC. When I open putty I type the command: node --debug-brk=5858 main_server.js, and get the ...
1
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1answer
69 views

Send emails over port 80 using Linux command line

I have a server that is not allowed to send outgoing emails or have access to any name servers. What it has is an http proxy that allows it to access the other servers and I am able to do wget ...
5
votes
4answers
33k views

How to specify VNC port number with Mac OS X built-in VNC client?

Is it possible to specify VNC port number in built-in VNC client of Mac OS X? I'm trying to connect to Xen VPS machine with Finder's built-in VNC client. I used address like this. vnc://server:port ...
7
votes
4answers
7k views

Why is System listening on port 8000?

I noticed by accident today that I have some unknown webserver listening on port 8000. Opening http://localhost:8000 just returns 404, so I don’t get any hint what exactly is listening there. I’ve ...
0
votes
2answers
30 views

How to view the calling script on Linux [closed]

I am trying to write a script to help with computer security. I am trying to look for open ports, find the PID, and find what called it. I have it working, where my output looks something like this: ...
0
votes
0answers
41 views

Apache on Xampp unable to start on port 80 because some system process with pid 4

I am trying to start apache but it says that the port is used by process with pid 4. When i look for the process its a system process , and am not able to end it using task manager. So i changed the ...
0
votes
0answers
30 views

Cannot listen/use any port on my windows

I have windows 7, and my PC cannot use any port, i tried apache2, and it says it cannot bind to port 80, i changed to many different port, 8080, 81, 82 .... i tried mysql, same thing happened, it ...
0
votes
0answers
5 views

Is there a way to disable rather than switch off Listen in Apache config?

In my vhosts.conf file I need to override "Listen 80" set in httpd.conf but don't find a way how to do that. Adding another "Listen" directive works, but I just want to disable the "Listen 80" ...
1
vote
3answers
27k views

How to get a Port to listen on Windows 7?

I have followed the step by step instruction to open a port on Windows 7, setting both Inbound Rules and Outbound Rules to following specification: Protocal Type: TCP Local Port: 55000 Remote Port: ...
8
votes
3answers
45k views

How can I check which ports are busy and which ports are free on my Linux machine?

Is there any command line command or any other way to find and list out the busy and free port numbers on my Linux machine?
0
votes
2answers
72 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 ...
85
votes
1answer
123k views

What is port forwarding and what is it used for?

There are a lot of questions on 'port forwarding' but there doesn't seem to be one that clearly states what it is and what it's used for. So: What is Port Forwarding? What is it used for, and why ...
0
votes
1answer
20 views

Adapter to VGA, minidisplay or HDMI?

I have a computer with HDMI and mini-display ports, and a monitor with only VGA input, should I get the adapter for the HDMI or the mini-display port?
0
votes
1answer
64 views

TCP server listen and client listen windows software

I am using Windows OS on an amazon cloud AWS with static public IP. On this machine I need to set up a TCP server to listen on port 2204 for raw data that will arrive from a GPS base station over TCP ...
0
votes
0answers
89 views

Access USB device from virtual machine (Windows 7 pro) while having host Linux (Debian 7)

I am a bit at loss to find where the problem could be. I have a computer running Debian Wheezy. I want to run a microcontroller debugger from within a virtual machine (VMPlayer 6.03). I am using a USB ...
0
votes
1answer
178 views

Windows 8.1 Remote desktop (Android app) Connection error

I am trying to set up remote access from my Android tablet to my notebook with Windows 8.1. I have d-link router DIR-600. I am getting Connection error when trying to log on. My Android tablet is ...
1
vote
1answer
1k views

Macports gives “sudo: cannot get working directory” error, then fails

Macports doesn't work: sudo: cannot get working directory shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory error getting working ...