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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2k views

Cannot start WebSite because port 80 is being used by W3SVC.exe

I have deverloped a website at work and we typically use port 80/443 for our websites (in development). This has worked well until today when starting the website gives me the error (IIS 7) This ...
2
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0answers
128 views

Cannot connect SSH through PuttY even though server is online

I'm trying to connect to a server via SSH. The server is reachable according to http://www.infobyip.com/sshservertest.php and SSH works without problems on Android (JuiceSSH). However, PuttY errors ...
2
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0answers
48 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 ...
2
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0answers
774 views

Port 4567 open on router to 'tram' traffic…Should I worry?

When I do a port scan on my router (nmap 192.168.0.1) the result is: PORT STATE SERVICE 22/tcp open ssh 23/tcp open telnet 53/tcp open domain 80/tcp open http 443/tcp open https ...
2
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0answers
86 views

how does the software firewall affect the hardware network card?

I am waking my computer up by sending magic packets. But if I close UDP port 9 from windows firewall, my computers is not booting. And also, the lights on ethernet port are off. It looks little too ...
2
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0answers
10k 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 ...
2
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0answers
207 views

Cause of IP port blocking when network is inactive

i have a static IP connection to access my office DVR remotely. i am using a bridged modem, configured the ports to forward everything correctly. everything was working perfectly for a few weeks and ...
2
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0answers
339 views

Enabling MS Security Essentials blocks port web server

I notice when I enable "real-time production" in MS Security Essentials that my web-service (on port 80) is blocked from outside my machine. I can still access it locally, even with my network IP. ...
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0answers
111 views

How can I get all of my keys and mouse to work using Midnight Commander on OSX?

I used port to install it and I figured out how to fix home/end/pgup/pgdn in the terminal preferences, but still, none of the keypad keys work. the mouse doesn't work. Any assistance would be ...
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0answers
54 views

Client not connecting to port running openssl s_server

Question Context: I want to test a TLS handshake and see all the output (for learning/work related purposes) between my local computer (running OSX Yosemite) and a remote work server (running amazon ...
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0answers
227 views

Opening ports in OSX Yosemite for development servers without switching off the Firewall

In OSX Yosemite I need two ports opened, port 8080 for my Dart Server and 8081 for a Tomcat Server. I basically want to fire up a browser on an Android/Apple phone/tablet and on a Windows Desktop, ...
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0answers
40 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 ...
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0answers
32 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 ...
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0answers
126 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 ...
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0answers
116 views

Port remains blocked after opening

I have a TP-Link WR841ND Router. To test a server, I've had to open port 69. When the router is connected to my internet at home, and I do the router's routine of opening a port (I know how, have ...
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0answers
28 views

Bad Results from Port Check Sites

I'm not a network expert, though I know how to set up a static IP and forward ports. I've always wondered how port checking sites like http://ping.eu/port-chk/ work, because whenever I try them on ...
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0answers
487 views

'fail to add torrent' error nexus 5

Trying to use torrent download on nexus 5 modded rom slimkat 4.4. Keep getting error ~ 'falied to add torrent from source target'. Tried using utorrent and ttorrent-lite, and have not had any success. ...
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0answers
702 views

Installing and running two postgresql versions on different ports (or two instances of same server)

I have postgresql 9.1 installed on my machine (Ubuntu). I need another postgresql server that would run next to the old one. Exact version does not matter, but I'm thinking of using 9.2 version. How ...
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0answers
269 views

Can't connect to a game over remote LAN

First of all I want to say that I'm not entirely sure if this question can be asked here. If it can't, then please tell me and I will delete it. There's this game called Killing Floor, which can be ...
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0answers
10 views

How do I setup my web browser to default to alternate port for web development

I would like to setup a development copy of my site on another port in order to develop it in exactly the same conditions. Is there a way to setup my browser or is there a browser capable of ...
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0answers
246 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 ...
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77 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. ...
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0answers
124 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 ...
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0answers
1k 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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584 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 ...
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0answers
354 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 ...
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0answers
2k 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 ...
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0answers
1k 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 ...
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0answers
129 views

WAMP and WIN 8 issues on port 80

I have tried all to get WAMP running in WIN 8 due to the problems on port 80. I changed the settings in lmhost from 80 to 8080 but I get a error localhost 8080 is not allowed.... I am using chrome as ...
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0answers
574 views

What is blocking incoming packets to port 67?

I have a DSP connected to a Windows 7 laptop by Ethernet. The laptop has all firewalls disabled (I’ve even tried stopping the Windows firewall service and DHCP). The DSP is sending well-formed BOOTP ...
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0answers
90 views

Port redirection to gateway on a Mac

How can I redirect certain ports to a specific gateway on Mac OS X Lion? In my case, exclude torrent traffic from being sent to a VPN tunnel. Meaning that traffic in and out to ports 49152-65534 ...
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0answers
275 views

Windows Firewall with Advanced Security Block certain IP's on port 21

Windows by default blocks all IP's. I think I made it so that now my advanced firewall is allowing all IP's, but when I add a block rule it doesn't actually block the certain IP. I am using FileZilla ...
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0answers
267 views

Is it possible to bind multiple, simulated devices to SNMP port 161?

I am attempting to simulate multiple SNMP agents on my computer. I am using this software to try and accomplish this. From the program's description: Verax SNMP agent simulator is a tool that can ...
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0answers
405 views

Can not open port 6000 windows xp

I am trying to connect to macincloud using their software and can not. They told me the reason is port 6000 is not open. I spent 3 hours on the phone today with ATT making sure the 6000 port was open ...
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0answers
1k views

Setting Up No-IP to talk to my site

I'm doing my head in here, was hoping someone could help me. I'm trying to setup my web server at home. It has a static ip of 192.168.1.8. I've setup IIS on Windows 7 and am hosting my site on port ...
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0answers
793 views

How can I open port 3690 (svn) to my network?

I've set up subversion about a year ago and have been using it with no problem, checking in files almost every day and updating them on another system on my network. For no apparent reason, it ...
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0answers
203 views

Allow only HTTP/HTTPS comunication with Agitum Outpost Security Suite Free

Hi I use Agitum Outpost Security Suite Free and I would like allow only HTTP(80) a HTTPS(443) protocols for IN/OUT and also allow local ports for Oracle database, etc. I try use Network Rules -> ...
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734 views

How to change dlink dir-524 router link port from 80 to 1088

How to change dlink dir-524 router link(192.168.0.1) port from 80 to 1088
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0answers
120 views

Port 80 already in use after Windows 10 upgrade

I upgraded from Windows 7 to Windows 10 yesterday. I tried to launch EasyPHP and Apache didn't start because the port 80 is already used by System. I know that I can change the port used by Apache, ...
0
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0answers
11 views

Trouble configuring 2 IPs in single NIC and configure firewalld

I hope this is the place to ask. I just moved my server from Centos 6 to Centos 7. I read that Centos 7 is now using firewalld instead of iptables. Now my problem is I have only one card and I need ...
0
votes
0answers
40 views

Why are all these email ports listening on a new Windows 8.1 install?

I recently did a fresh install of Windows on a formatted disk, upgrading from Windows 7 Pro to 8.1 Pro. Now I have installed a few things already, including: Embarcadero RAD Studio XE8 Microsoft ...
0
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0answers
20 views

Stop a reverse ssh tunneled port from listening on remote machine

I have a few devices that may get serviced through a server. Since the devices connect through a GPRS network with inbound connections blocked I make them check with the server every few minutes. The ...
0
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0answers
34 views

Tcp connection target machine actively refused

I have a simple TCP client/server program on two laptops. The server should work fine as I use "netstat -anb" and the server shows up as listening, "0.0.0.0:102", then my client connection failed, ...
0
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0answers
21 views

create tunnel in order to access https via port 443

I have Windows machine that connected to Linux server 192.9.100.10 And Linux server has connectivity to the IBM blade center management GUI - 192.9.100.200 From my Windows machine I do not have ...
0
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0answers
9 views

Preserve port information on redirect response ngnix

I have a service say service1 behind nginx with following configuration upstream service1 {     sticky path=/service1 expires=31536000;     server ...
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0answers
30 views

USB Port not charging Galaxy S5 Tab

My Galaxy S5 Tablet will not charge through the USB port 2 0r 3 although it charges normally through the wall connection. How can I test the power output of a USB 3 port. My PC is a very high spec ...
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0answers
43 views

How to make content of port 8080 available to port 80

I have a web page on port 80 to control a rover and I am running mjpg streamer on port 8080 to stream webcam output. I want to be able to see the stream on the web page of port 80. I have already set ...
0
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0answers
28 views

Set up wake-on-lan for mac os x via Actiontec T1200H Router: Ports 7 and 9 are closed

I've got two macs connected into home wireless network via Actiontec T1200H Router. Both machines have "Wake for network access" checked in System Preferences --> Energy Saver means that both support ...
0
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0answers
85 views

Forwarding port through 2 routers mikrotik and tplink

I have 2 routers in my network: Internal lan 192.168.0.x is behind a router tplink TL-T480T TPlink Lan is 192.168.0.2 TPlink wan is 192.168.88.252 TPLINK is behind a router Mikrotik 750, Mikrotik ...
0
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0answers
61 views

Which port do I need to open?

Currently we have a bit of a dodgy setup with our firewall, and are using an ngrok program to effectively punch a hole in out firewall to allow a program through (jvue). Unfortunately, this is the ...