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.

learn more… | top users | synonyms

3
votes
2answers
1k views

Port Forwarding Apache Web Server

I am trying to setup my local pc to be visible to the WWW. I already use apache/mysql on my local pc - day to day but now i want to make it visible online. My real goal isn't to run a website but just ...
0
votes
1answer
413 views

How do I forward my local port on Mac OS?

I'm developing a website on my local server on my Mac. So only computers on my local network can access the site right now right? How do I set up a port forward so that my friends on other computers ...
12
votes
4answers
46k views

PID:4 using Port 80

I was trying to install Zend Server CE on my computer but when I got to the point were I need to choose the port for my Web Server it says: "Web Server Port: 80 Occupied". So I decided to check what ...
0
votes
0answers
94 views

Residential ISP possibly blocking SSH and other odd high ports - how to verify?

I have recently had a problem in a scenario where I am having to run SSH and some other high number port services behind a residential connection. I am suspecting that the ISP is performing some level ...
0
votes
1answer
188 views

Client connections always use an ephemeral port?

When a client connects to something on the internet, does it always connect from an ephemeral port? Are all the well-known ports only used by servers?
1
vote
2answers
1k views

Configure SSH client to use different ports in Mac OS X

I have a .ssh/config file configured to connect to different servers with SSH: ### # Identity files ### IdentityFile ~/.ssh/id_dsa_home IdentityFile ~/.ssh/id_dsa_github IdentityFile ...
1
vote
3answers
1k views

Should I use a static IP address? If so what kind?

Last night I managed to get my local PC running as a server using port 80 and my IP address. After restarting my machine it stopped working. I was told I need to make a static IP address. My ...
1
vote
1answer
185 views

What does the “Bits per second” option in COM5 Properties tab indicate?

This is related to my Internet's modem. By default Bits per second were set to 7200. I changed it to 128000. Would it affect or increase my internet speed in any way? What do the Bits per second ...
0
votes
1answer
42 views

65K ports and SSL? [closed]

People connect to bank using SSL. Bank is opening its 443 port. but there is only 1 port of 443 , but it is a server so I guess he is using also the other ports. But that is means that it can only ...
1
vote
1answer
263 views

Can I serve a website on any port I want to?

I am building a web-server. Can I send web documents through any port I like, or are there limitations? If so, what are they?
1
vote
2answers
845 views

How multiple connections with a single port are maintained

After reading about packet and circuit-switching, I've learned that servers maintain multiple connections with a port by passing down an established client connection to a child process; and that all ...
1
vote
1answer
319 views

Which SMTP service port does a mail client usually connect to?

Which SMTP service port does a mail client usually connect to? Is it the same for both SSL and Non-SSL? Are there any common alternative?
0
votes
1answer
1k views

Cannot open port 8080

I'm running a VmWare with an application under JBoss starting up on port 8080. I'm able to access the app from outside the VM if the iptables are off. However, I must turn on iptables due to some ...
4
votes
2answers
402 views

Unblocked streaming port?

Every year we hold a music concert in a hotel ballroom. My setup is the camera input going into a transcoding computer that is then relayed to my streaming server off location, which is then served ...
1
vote
2answers
1k views

How to make all ports appear open in Ubuntu Server?

I have my own Ubuntu Server. The problem is that I cannot access the server on a lot of ports from my University. I want to see on which all ports I will be able to access. Right now what I'm doing is ...
0
votes
1answer
188 views

Cisco DDR2200 Port Forwarding

My brother has a server in his garage and has been using it to serve is own little website for a while now (about a year and a half or two). I've been the one managing it, but he recently changed ISPs ...
2
votes
0answers
5k views

socket.error: [Errno 10013] Port forbidden access permissions

When trying to use a Python script I get this error: socket.error: [Errno 10013] An attempt was made to access a socket in a way forbidden by its access permissions I put the post on ...
0
votes
0answers
178 views

Is it possible to use mic port as audio (out) port?

I mean programmatically change the ports. -> set mic-port as audio or line-in as audio?
1
vote
1answer
104 views

Where are the open ports ? Am I getting an incomplete list?

As I enter the netstat command in the terminal, I get the following list. Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State ...
0
votes
1answer
429 views

Does the Samsung NP700Z5A feature a Mini DisplayPort?

These are the specifications of the Samsung NP700Z5A: From these specs, here's a screenshot of one of the port sections: Does the 'Display Port' in this screenshot correspond to a 'Mini Display ...
2
votes
4answers
6k views

how to disable feature that opened port 445 on windows server?

I'm trying to disable services that I do not need, to improve latency and improve security. I found that port 445 is still open by doing telnet on localhost and port 445. As I do not need port 445, I ...
0
votes
1answer
1k views

connect to paltalk server using a proxy

Hi I want to use paltalk, which is a kind of chat software, but the ports that this applications uses are closed in my country. What I need to do is to use a proxy server. Unfortunately the software ...
1
vote
1answer
62 views

What problems I'll get if I will fix the network port my application is listening? [closed]

I observe this behviour from very famous projects. For example apache and nginx, they both by default trying to listen port 80 and if it's already occupied then they just fail to start and need to be ...
-1
votes
1answer
80 views

Can a splitter be used to stream video from a one port modem ie roku [closed]

I have a time warner cable modem with one port, can I use an ethernet port splitter for the roku?
1
vote
1answer
1k views

Port Forwarding ADSL

I have TP LINK TD-8817 as my ADSL Router, and TP-LINK TL-MR3420 as Wifi Router. I've done to open port 80, based on this result *please see this picture and the problem is : when I access my ...
2
votes
3answers
3k views

Minecraft servers - 1 external IP, 2 servers, 2 ports - avoid specifying port in game - SRV record

I have two minecraft servers, on sub-domains. www.server1.example.com and www.server2.example.com. server1 is port 25565, server2 is port 25566. When users want to connect to a non-default port in ...
2
votes
1answer
380 views

SVN UPDATE fails because system runs out of sockets

I am setting up a terminal server for a small group of developers. They will all be using the SVN client to access the central SVN repository. Every project in our SVN repository contains lots of ...
-1
votes
3answers
771 views

Get a concise list of open (listening) sockets in Fedora 17

I've tried netstat and lsof with various options, but I'm getting garbage results. I'm interested to know the following data: applications which binds the socket to port - port number I would like ...
-1
votes
1answer
57 views

Why do USB ports cease to work? [closed]

I had an e-reader plugged into one of the 3 USB ports of my laptop. Later I realized it wasn't charging up anymore. I switched ports and the issue was gone. Why do USB ports stop working suddenly?
0
votes
2answers
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 ...
0
votes
1answer
453 views

Port forwarding between NIC cards

I have a network in the 192.168.10.xxx range. On one of the computers on the network there are two NICs. One NIC is in the 192.168.10.xxx subnet, connected to the main network. The other NIC is in the ...
0
votes
1answer
434 views

Find out port for a specific USB device is on Mac OSX

I have a Nexus 7 tablet attached to a Mac Min, and I need to figure out what port it is connected to. I am managing someone elses code, in which they litearally define the port: ...
0
votes
1answer
29 views

Mapping someip:port to a someip/suburl

I would like it so that when my router gets a request for http://192.168.0.33/plex it basically returns http://192.168.0.33:32400 I'm wondering if this is possible and if some routers do it. ...
1
vote
1answer
65 views

Cannot access myself with global ip, others can

I don't really know how to phrase this better, so I'll just point out what works and what doesnt: a) I can access my service through 127.0.0.1:port b) My friend can access my service through ...
1
vote
0answers
2k views

vnc via ssh tunnel: channel 3: open failed: connect failed: No route to host

I was used to connect from A to a system B through vnc with ssh tunnel via C. I do the following: In B I start the vncserver: vncserver and let's say I get the :12 In A I open the ssh tunnel: ...
1
vote
3answers
1k views

Open TCP port in Windows 7 and read incoming data, what program to use?

I have an external device which can connect over GPRS to the Internet using a SIM card and I want to see what data it sends. I can program it to use my computer as a server and then use a program to ...
3
votes
1answer
60 views

Can a wrong i/o port call damage the hardware?

I was tampering with the i/o ports of my computer (an UMID BZ notebook), specifically with the embedded controller and ACPI, in an attempt to switch some deactivated on-board hardware on. When I ...
0
votes
1answer
254 views

SSH to specific computer behind a router if local IP is known

I'm hosting a number of websites out of different boxes behind a router; when I was only hosting one, it was simple enough to forward port 22 on to the hosting box and use that one as a remote server ...
1
vote
0answers
389 views

How to close suspicious port 999 garcon, is it malware?

On Mac OSX, I ran the command nmap localhost and I found I have this suspicious open port: 999/tcp open garcon Then I tried to see if there is an associated process, but nothing shows up with ...
1
vote
1answer
39 views

open port for memcached in network

I want to share my memcached instance in my network. What is the best way to do this to give the network access to it? How I open the port for it? Is there some easy way? Thanks for helping
0
votes
1answer
677 views

Ports 1935 and 843 are getting blocked for no reason

I have Windows 7, and my computer has been blocking ports 1935 and 843 for no reason for a while now. If for example, I try to watch twitch, nothing will work because those two are getting blocked. ...
0
votes
1answer
86 views

Is there a way to find all processes which accessed a linux port?

We are using Octopus Load Balancer for connecting to database from Linux. The Load balancer throws following error. I doubt if it is due to the assigned port being accessed by some other process ...
1
vote
1answer
197 views

Who is listening on my 80 port [duplicate]

In My PC, I am running : telnet localhost 80 and it seems that there is an answer. No IIS runs, no java server runs. How do I know which process listens to 80 port?
6
votes
4answers
6k 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 ...
8
votes
2answers
6k views

No idea what is listening on port 80 in OS X

I'm on OSX Mountain Lion 10.8.3, and I've freshly rebooted my Mac. I want to start a service (like Apache on port 80), but there is already something going on with port 80: telnet localhost 80 ...
0
votes
1answer
512 views

sshd service listening on multiple ports

Well, I need use multiple and distinct ports where sshd will be listening, for distincts clients. Each client connect a different ssh port in real time. Can I put sshd service listening on multiple ...
0
votes
0answers
134 views

Send data from file to local UDP port

I've got an application, A, that listens on a user-defined UDP port for a specific message that normally comes from another application, B. Application B has a tool that allows recording these ...
1
vote
0answers
825 views

FFmpeg/avconv and UDP - connect listener after sender?

I'm trying to troubleshoot a port binding issue in avconv/FFmpeg. I have two test commands; one which sends an audio stream over UDP: avconv -i test.wav ...
0
votes
1answer
178 views

security risk of opening up a port to access znc [closed]

I run znc on my home server, and I was thinking about opening up the port for it on the router so I can access znc from my computer at work. My znc accounts are password protected. Is it a substantial ...
1
vote
2answers
1k views

Can't connect over internet but port is open

I trying to connect to my own computer over internet over port 3389, when i go to site yougetsignal can see that on my external ip port is open for sure. Also on firewall options Remote Assitance is ...