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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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
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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, ...
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1answer
101 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 ...
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1answer
121 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 ...
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3answers
955 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 ...
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2answers
3k views

URL to access webpage on Xampp?

I installed xampp and made sure config file listens to port 80. I forwarded the http port from the router to the correct computer ip. Now I am trying to access the index.html like this from another ...
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3answers
441 views

execute program on port connect to windows

is there a program that listens to a specific port and executes an arbitrary executeable on incoming connection to that port? the reason: sometimes itunes is not running, then id like to be able to ...
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2answers
310 views

SSH access via different ports on LAN vs WAN. Is it possible? How to configure?

I want to configure OpenSSH to use port 22 for LAN clients, but to use a non-standard port for all outside addresses. How would this be done? What I have in mind is imagined to be like this: Match ...
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0answers
633 views

Difference between External/Internal Start/End port?

When setting up port forwarding using NETGEAR Genie, I can specify up to 4 different ports for each forwarding: External Start Port External End Port Internal Start Port Internal End Port If you ...
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1answer
243 views

Port 30005 and 30006 in ADSL router

I've seen that iptables allow traffic to ports 30005(tcp) and 30006(udp). What is those port intended for? I've google a bit but I didn't find anything significative. Thanks in advance!
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2answers
90 views

Default Listening Ports in Linux

Are there any default listening ports in Linux, like 135 and 445 for directory services in Windows? While searching for a remote machine, I need to identify whether the machine I am connecting to is ...
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0answers
92 views

My computer cannot connect to a Telnet host

I need to connect to Telnet server for my university studies at the University of Birmingham but everytime I try to connect I get : "could not connect to the host on port 23". What can I do ? Thanks ...
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0answers
305 views

nc -v -w 1 111.111.111.111 -z 22 returns port 22 (tcp) timed out: Operation now in progress

Encountering a strange problem on my Ubuntu machine, trying connecting to 111.111.111.111 (example ip) via SSH fails. When trying to connect from other win machine its works. I don't have a ...
1
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1answer
140 views

Tor provider point [duplicate]

Possible Duplicate: How to “flush tor circuit” Hello, I have a tor runned on my computer. In Vidalia (gui-frontend) there is a button: 'Use a new identity'. This will change ...
0
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0answers
29 views

WAN Access Issues on LAMP Server

I am running a LAMP server and having trouble connecting over the internet. I confirmed everything is working fine locally. All other PC's on my network can access the server over the LAN. The ...
1
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1answer
304 views

Restricted ports to non-admins on Windows 7

I work in a restrictive desktop/network environment and I am not an admin on my laptop. The ports available to me are limited. E.g. when I tried running Tomcat, the system refused to open a socket ...
1
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3answers
91 views

Is there a way to permanently change the associations of NIC cards on a supermicro server?

There are 4 ports, eth0...eth3, and I want to reassign them so that eth0 is associated with the NIC currently listed as eth2, and eth1 to eth3. Basically swap them. It needs to be permanent and ...
0
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1answer
944 views

Listen to specific port

I have 2 devices (mac and an iphone), which I have programs running on that are communicating on a certain port. Is there a program that will be able to "listen in" in the ports? I have downloaded ...
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0answers
43 views

Security risks and prevents for sending files over sockets

I am attempting to do Raspberry Pi development and at the moment, I'm normally writing all of the Python code on my laptop and then would have to use a SSH client to send the files across. I've ...
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0answers
58 views

how to allow access on port 3306 only via configured IP addresses?

I've LAMP (Linux, Apache, MySQL & PHP) setup on VPS (Virtual Private Server). I want to access database installed on Port 3306 remotely (outside VPS). Also, I want to ensure that Database access ...
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2answers
832 views

Linux: GUI browsers do not honor '/etc/services' service names

I'd like to avoid remembering common port names: e.g. for my CUPS it's http://localhost:631/. I know that there're service names (named aliases for ports) in '/etc/services': $ cat /etc/services | ...
0
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2answers
1k views

What ports do you need, to run an SRCDS server?

SRCDS stands for Source Dedicated Server. I want to run an SRCDS on my Windows XP machine. I've forwarded the ports: 1200; 27000-28000 The server run script dinodday\cfg\server.cfg Server's log ...
2
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1answer
9k views

OSX Lion, open a local port so people on my network can access it

I'm running django's simple HTTP server (using python manage.py runserver). It's currently running on port 8000. How can I open a port on my macbook and allow network traffic to visit my host on ...
3
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2answers
923 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 ...
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1answer
409 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 ...
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4answers
41k 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 ...
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0answers
87 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 ...
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1answer
187 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?
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2answers
941 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 ...
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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 ...
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1answer
144 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
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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 ...
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1answer
243 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?
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1answer
239 views

what can filter a port on Fedora 19 besides router, firewall and selinux?

I am trying to use seafile which seems very nice. Unfortunately I have an issue that I fail to explain. From my two fedora 19 machines, nmap says port 12001 is filtered on the distant (say private) ...
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2answers
792 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
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1answer
308 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
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1answer
765 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
398 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 ...
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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
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1answer
180 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
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0answers
4k 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 ...
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0answers
143 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?
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1answer
87 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
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1answer
346 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
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4answers
5k 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
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1answer
61 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 ...
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1answer
72 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?
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1answer
948 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 ...