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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29 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 ...
-1
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1answer
10 views

How do I change Synology DSM 5.0 http port via SSH?

I need to change port for HTTP from 5000 to 7777 on my Synology NAS via SSH. Is this possible?
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0answers
19 views

Are there any wifi routers that allow manual setting to 100 full-duplex [on hold]

I need a wifi router that I can manually set to 100 full duplex. Unfortunately our ISPs service only works correctly if the port can be manually set to 100 full duplex. In auto-negotiation it doesn't ...
0
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0answers
8 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 ...
-1
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0answers
14 views

HP Probook 4510s

Since morning I'm not able to use Internet in my laptop.I use a local company broadband LAN connection.Generally when connected two lights blink at the LAN port (green n orange) but now only the ...
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0answers
28 views

Can't telnet into EC2 instance on port 443 [closed]

I have an EC2 server associated with a security group that has the following inbound ports open: SSH TCP 22 90.152.2.83/32 HTTP TCP 80 0.0.0.0/0 HTTPS TCP 443 0.0.0.0/0 AllICMP ...
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votes
0answers
21 views

What port does the DOCSIS 3.0 update come through on a firewall?

The problem is my cable company tries to push updates to a cable modem that they don't own which causes home network problems. Is there a way to block their DOCSIS updates, but not the ones ...
0
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0answers
22 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, ...
2
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2answers
27 views

Port forwarding error on new router

I've recently gotten a new router to handle a 1GB internet connection (yes, 1GB) because my old router shouldn't be able to handle such a massive connection. But with it came a whole new lay-out and ...
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0answers
14 views

port forwarding with micrmax modem mmx219w wi fi plug n play modem [duplicate]

help me to find out: i m using micromax auto plug n play wi fi modem with router functionality it can provide for 8 wi fi connections. model mmx219w wi fi router. problem is: when connected to usb ...
0
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1answer
28 views

Can't Change SSH Daemon's Port Number under CentOS 7

I've upgraded my VPS to CentOS 7 from CentOS 6. Back when I was running CentOS 6, simply changing the port number of the SSH daemon under /etc/ssh/sshd_config used to make my remote SSH connection ...
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0answers
18 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 ...
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0answers
6 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 ...
0
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0answers
15 views

How can I find why a port is used in Ubuntu Server? [duplicate]

I recently installed Kamailio 4.0.4 on Ubuntu Server 14.04. After first run. 0(5400) ERROR: <core> [tcp_main.c:2932]: tcp_init(): ERROR: tcp_init: bind(a, 0x7fb5b0783344, 16) on 127.0.0.1:5060 ...
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0answers
26 views

Configure http port to 80 from 8080

Wildfly use port 8080 by default. How to change this to 80? So that I don't have to always add colon 8080? <socket-binding-group name="standard-sockets" default-interface="public" ...
1
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2answers
69 views

What is the 'Real' Definition of a PORT? Where are they installed?

I am confused the concept of a PORT in Networking. But am not clear with where do they exist? My Queries... Where do they reside? Can I change them? How does the ISP blocks a Port(I ...
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0answers
22 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 ...
1
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2answers
35 views

Allowing port access on Windows

I have a message broker running on my computer on port 1883. I tried to telnet that port (to test its accssibility) from a computer on the same network but that didn't work. How can I allow other ...
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2answers
28 views

Q: Is it possible to monitor SSH activity across local network (within organization)?

Is it possible to monitor SSH activity within the local network of the organization? Specifically is it possible to: View open SSH connections per user/machine along with the servers they are ...
0
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2answers
34 views

2 Separate Machines, 2 Static IP Address. No connection Outside ISP Network

I have two separate physical machines. The first one is running CentOS 6.6 x86_64, and the second is running Ubuntu 14.04 LTS. (also 64-bit) Here's the issue. Both servers have a direct connection to ...
1
vote
3answers
31 views

Port forwarding testing

In trying to check if I setup Port Forwarding correctly for my IP security camera none of the services report the port open. I can access the camera from within the LAN, but can't see it from the WAN. ...
0
votes
1answer
19 views

How to invoke Privoxy?

I have installed Privoxy on Windows 7 64-bit and by searching through it's docs I have found that i need to enter some command line arguments to install the Privoxy service. Now, where and how do I ...
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2answers
46 views

Forwarded port 4433 to my PC's IP

On my router ASUS RT-N18U is port 4433 forwared to my PC's IP address. I've not done this and I don't know what does is mean. Should I be worried? EDIT: And also ports 60868 and 46153
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0answers
37 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
votes
1answer
48 views

PF: Can't open port on OS X

Have troubles opening the port 9 on os x 10.10.3 yousemite using pf firewall. I want to do this for being able to get wake-on-lan packets to this port. I assume that for WoL to work the port (on the ...
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1answer
83 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 to home wireless network via Actiontec T1200H Router. Both macs support Wake on Wireless (in About this Mac-->System Report-->Network-->Wi-fi-->Wake On Wireless: ...
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0answers
22 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 ...
1
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0answers
41 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
56 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
45 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 ...
0
votes
0answers
20 views

Accessing Web UI with Spark1.3.1

I am currently building and deploying spark with standalone mode, including one master node and two worker nodes, on Google Container Cluster. For monitoring purpose (also connecting to master from ...
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0answers
19 views

Disable management over HTTP and Telnet for Verizon/Actiontec gateway?

I'm trying to disable gateway management using insecure transports. The gateway is an Actiontec provided by Verizon. Gateway management is available under Advanced → System Settings. The ...
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0answers
18 views

Asus motherboard not seeing CD Rom

I have http://www.asus.com/Motherboards/P8H67V/specifications/ motherboard. Whenever I plug in a CD ROM to SATA 3Gb/s port it's not picked up by BIOS. However when I plug it in to SATA 6Gb/s port it ...
0
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0answers
40 views

Disable Fortitoken on a Fortigate Firewall

I made an error while configuring my admin account on the FortiGate 60d and enabled forti token for 2 step authentication. Thing is I enabled the wrong token and I do not have that device with me. Now ...
0
votes
1answer
16 views

MySQL: Port issues on an domain network setup

I am looking for options to have a MySQL server on corporate environment where opening a port in the Windows Firewall is quite difficult (a lot of red tape). At this point I am not looking to have a ...
0
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2answers
65 views

unknown open ports/services 54409 and 16808

I have a Linksys EA6400 router. Today, I have noticed in the log file some activity from multiple ip addresses on 2 ports that are open: 54409 and 16808, and I do not know what is going on there. I ...
2
votes
0answers
83 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 ...
0
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0answers
127 views

How to block counter strike ports on router?

I have Cisco E2500 router and I need to block Counter Strike ports so that user would not be able to connect to it. Also, is it possible to block Skype ports so user would not be able to call to ...
9
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5answers
765 views

What ports are used by an application [duplicate]

I'm testing an application which opens its own ports (acts as a server for these ports, hence listens at that ports) and where the same application connects to ports bound by other applications (acts ...
0
votes
0answers
165 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, ...
1
vote
1answer
59 views

Apache wont start, port 80 in use by a system process, found baiduspider

Ok so I have uninstalled IIS on my windows server and decided to try Xampp to host my domains. Port 80 is in use and I have tried all of the fixes that I have came across for the past 2 days. I was in ...
0
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2answers
45 views

SSH vs Apache port 443

I want move SSH to port 443, but is used by https. In /etc/apache2/ports.conf I commented the lines for listen by this port. In the default site available also commented the lines. For finish, I ...
0
votes
0answers
217 views

CS:GO SRCDS and iptables (firewall)

I have very strange problem. This morning I wanted download, install and host small server for CS:GO on my VPS. I used this tutorial: ...
0
votes
1answer
41 views

Where do port knocking services listen for incoming knocks?

I'm trying to understand how a port-knocking daemon is able to monitor for knocks, independent of the firewall rules (e.g. accept/drop/reject packets). I've installed knockd, which listens for lets ...
0
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0answers
75 views

What is the equivalent of Port Forwarding command in Mac Os x Yosemite

ifconfig eth0:0 192.168.1.215 netmask 255.255.255.0 /sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE /sbin/iptables -A FORWARD -t filter -i eth0-m state --state ESTABLISHED,RELATED -j ACCEPT ...
0
votes
1answer
50 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 > ...
0
votes
1answer
198 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
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3answers
90 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
133 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
23 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 ...