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

0
votes
1answer
19 views

List all open sockets in /dev/tcp/localhost/

Is it possible to list all open sockets in /dev/tcp/localhost/ on a Linux machine? I want to list all sockets where the following command would return 0: timeout 2 bash -c "cat < /dev/null > ...
-1
votes
0answers
17 views

is it ok to keep port open so that client does not close its connection [migrated]

I am trying to write a Java code for client and server and I don't want to close the connection from both the ends. i.e. both the server and the client should remain open until it is manually closed. ...
0
votes
1answer
38 views

Firewall status: “Allowed, Restricted” on a port

I'm trying to run something on my localhost through a port (8080) but I am getting a 404. It should be working properly but I'm not sure why. In my Resource Monitor, under Network -> Listening ...
0
votes
3answers
41 views

Checking open ports on a netgear router

I'm having troubles connecting to ftps via Filezilla. They told me it could be router ports. Some say 21 port (exit traffic?) is always open, some say it's closed. How do I check if it's open? If it's ...
1
vote
1answer
50 views

Amazon-EC2 ports not opened despite Security Groups and iptables configuration

I just rented an Amazon EC2 server, made to host a node.js app which listen to client on port 9001. I did configure the Security Groups and added inbound and outbound rules on this port. There is no ...
0
votes
1answer
10 views

change audio output ports from mic to front

Lately my front audio jack has died. The microphone jacks still works seamlessly and I would like to remap the front speakers output to the microphone if it is possible. I use Ubuntu and I have Aspire ...
0
votes
0answers
19 views

port forwarding and hiding your IP [duplicate]

can i hide my public iP address by using the port forwarding ?
0
votes
0answers
15 views

Finding ports that are not showing up as available

Disclaimer: I have looked at the other threads on "Find processes using a port" This is in reference to a question on stackoverflow ...
0
votes
1answer
24 views

change port no on which tomcat is installed in ubuntu using SSH

I am accessing an Ubuntu instance through SSH, I installed tomcat7 on it. By default installed on port 8080. I need to install on port 9090, is there a way to change the port? Or how to install tomcat ...
-1
votes
2answers
72 views

Testing a Firewall against outgoing UDP ports

I'm trying to test which outgoing ports are allowed through a firewall. At the moment I can do this for TCP by port scanning portquiz.net (which is a server with all TCP ports open) from inside ...
0
votes
0answers
22 views

UPnP Port Forwarding doesn't appear to forward my telnet port

I used upnpc to set up some forwarding rules for HTTP and TELNET (I'm aware of the security risk, it's a test): upnpc -a 192.168.0.30 23 23 TCP upnpc -a 192.168.0.30 80 80 TCP Everything looks OK ...
0
votes
2answers
73 views

Linux command get unused port

I'm looking for a command or script which returns an unused port on my ubuntu linux system. I have look on internet and the only thing I find is about the used/Listen port with the nestat command. ...
0
votes
0answers
12 views

Opening Gre port

Hi I've constructed VPN server.(My server is windows server 2012 datacenter.) But it error keeps on going when I try to connect from windows 8 and android. It says GRE protocol needs to be opened. ...
0
votes
0answers
31 views

Opening port 80 in router and Tor network doesn't work

I closed port 80 in my router . now when I type "192.168.1.1" to browser, I can't access the page of router settings to change settings and open port 80. Also 443 , 8088 ports open and 8080 has been ...
0
votes
2answers
25 views

Blocking ports without any firewall?

I want to close ports on my windows computer without using any firewall or similar software? Also i only want to open them when i use an explicit command. I didnt tried anything because i have no idea ...
0
votes
0answers
17 views

What is the client's “open to LAN” port range for Minecraft? [duplicate]

Does anyone know what the port range for Minecraft LAN is? it appears to be a random port every time, but there must be some guideline (i.e. min - max). As far as I can tell min is ~5000 and max is ...
0
votes
0answers
19 views

Check if ports are open for talking

I have a software (HP BSM) installed in a Windows server 2008 R2 Std This software needs to "talk" through a specific list of TCP ports and "listen" through other TCP ports. How can I know/check if ...
0
votes
0answers
22 views

If nmap reports a port is open, does that ALSO mean a service is listening on the port?

I have a Thompson TG585v7 router/firewall whose firewall is configured to FORWARD several ports to a computer X54 within the LAN. These ports are in the range 1024 through to 2500 That X54 ...
0
votes
0answers
37 views

Port forwarding WAMP server (for external access)

Basically I am having trouble allowing people to access my local WAMP server through the internet, I am running a HG523a Huawei router but I'm not sure on my next steps. I have set my config files to ...
0
votes
0answers
13 views

How to diagnose unconnectable port from client side?

I have a machine that can't connect to a certain port number on a server. I've disabled all firewalls and security software. It can connect just fine to 80 and 443, but not 7777. Is there a tool or ...
0
votes
0answers
24 views

Configuring Bittorrent

I have used Bittorrent without problems for the past year. Then a couple of weeks ago I changed my internet provider (now I have Fastweb.. I live in Italy) It is much faster, but Bittorent does not ...
0
votes
0answers
9 views

Redirect outgoint traffic on port to incoming on other port

I would like to redirect packets that are send from localhost to some other port in network, to other port on localhost. Example: Application sends data to 145.125.130.20 port 3554. I would like to ...
0
votes
1answer
29 views

open port with ip-adress

i want to get access to my server from network. netstat -an | grep LISTEN tcp 0 0 127.0.1.1:53 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:631 ...
1
vote
3answers
137 views

Some program occupy port 80. What is it?

I am trying to run netstat and this is what I got Proto Local Address Foreign Address State TCP 127.0.0.1:5550 TOSHIBA-PC:49319 ESTABLISHED TCP ...
1
vote
0answers
22 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
votes
0answers
25 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
votes
1answer
36 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 ...
2
votes
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 ...
0
votes
0answers
45 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 ...
-1
votes
1answer
61 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 ...
0
votes
3answers
307 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 ...
-2
votes
2answers
116 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
91 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
vote
2answers
53 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 ...
1
vote
3answers
119 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 ...
-1
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
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?
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
votes
0answers
78 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
130 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 ...
0
votes
1answer
54 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
votes
0answers
122 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
110 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 ...
0
votes
0answers
90 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
226 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
votes
0answers
60 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: ...
1
vote
0answers
94 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
vote
1answer
66 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 ...