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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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 ...
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110 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 ...
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3k 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
354 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
52 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 ...
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0answers
1k 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 ...
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0answers
985 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
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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250 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 ...
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0answers
349 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
115 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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22 views

Mikrotik RouterOS FTP protocol routing

I have Routerboard 951Ui-2HnD and I am using it to merge/combine two internet lines wan1 and wan2 and it's working fine but I am facing a problem when I am trying to connect to any FTP server or ...
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0answers
27 views

bsd (osx) pf nat - change source port on outgoing UDP packets

I am running docker-machine on osx. docker-machine is running NAT so when my container send out a UDP packet on port 1812, NAT is translating it to some random port. I am playing around with pf nat ...
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0answers
44 views

connecting jenkins vm to github with webhook, Windows 10

I have a Virtualbox guest VM running with Jenkins, in my Windows 10 host. The VM is exposed through a bridge, and I can access it in my browser at my Wi-Fi interface ip address. I have set up a ...
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0answers
31 views

Problems with opening ports on Linux

Basically I have tried every tutorial I could find but I can't seem to open a port in a Linux VM. I tried downloading gufw and opening a port there; didn't work. I disabled gufw; didn't work Set a ...
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0answers
157 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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401 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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67 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
57 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
190 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
154 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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36 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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741 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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385 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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11 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
5k views

Opening port 8080 on Windows firewall

I am not sure if I am just missing a trick here and it will be something rather simple, or if I am trying to do something that just isn't going to work.. Anyway, I have an asp.net site and I am using ...
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347 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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91 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
153 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
788 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
482 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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2k 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
132 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
708 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
93 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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277 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
310 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
6k views

Simple way to open Port for Transmission for a Mac Snow Leopard

I am a complete noob when it comes to TCP/IP, but would like to open up my port for the Transmission bit torrent client on Snow Leopard Mac. Also, I am based in the UK if that has any relevance.
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466 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
870 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
219 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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0answers
850 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
15 views

Commonly open ports in restricted wifi networks

Which ports except for 80 and 443 are commonly not blocked in open wifi networks? I want to set up a OpenVPN Server on such a port to get around restricted networks. I have experienced the issue that ...
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0answers
17 views

given an on-borad port PCI address, how do I know to which NIC it belongs?

Assume we have a server with 2 on-board NICs (no other NIC was inserted to any of the free expansion slots). Given a PCI address of any of the ports of the on-board NICs above, is there a way to know ...
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47 views

What kind of ports are on this PCB? (Kangaroo Pocket PC)

| Overview Please refer to the teardown of the Kangaroo mini PC (below.) I am interested in finding out as much as I can about this board and the ports associated with it. Any details/specifications ...
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0answers
21 views

How to monitor a port bandwidth?

How can I monitor a specific port's bandwidth? I'm using squid cache server, and I want to find out how much bandwidth is preserved. using soft wares like DU METER it's not possible to measure that. ...
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0answers
53 views

Connecting a 2-pair Ethernet Cable to my Home Network

I have a IP video doorbell that connects using a 2-pair telephone line. I have managed to connect it to my DSL router (Linksys WAG320N) successfully and connection is working fine with live streaming ...
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0answers
28 views

Port forwarding in windows to device

Hi I'm trying to access remotely to the server of a device connected to Windows by Ethernet by port:80. I have already port forwarded that port to the PC and set the Firewall to allow access thru that ...
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0answers
22 views

Create a printer USB port in Windows without a printer installer

I have an HP Laserjet 1020. I plug it into a Windows 7 Pro 32 bit Dell via USB. Under Devices and Printers, it shows up as a fully recognized USB device however it does not show up as a printer. I go ...