Tagged Questions

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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1answer
19 views

What's the netstat command to get the process name and only for a specific port?

I'm using netstat on Windows 7, I would like to get only the process which are using the port 80 and to get also the name of the process. Not only the PID. I've found this solution to add the process ...
2
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0answers
25 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
11 views

Reverse port forward using windows

I've got a VPS (vps.mindfulhacker.tk) and I'm running a game server on my windows machine. IF my machine was running linux / mac, I could use the following command to make my game server accessible ...
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0answers
37 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
14 views

DVR is visible LAN but invisible with WLAN

I'm trying to get a DVR (H.264 video surveillance system) a connection. Here should include ports 80, 34567 and 34599 open. I also have a forwarding address and the DVR is forwarded in my router so ...
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0answers
16 views

Maximum concurrent sessions to a web server

As far as I understand connecting to a web server, as a new session is established from a client to the web server, they form a socket with a receiving and sending port for each machine. As the ...
0
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1answer
21 views

Does NAT forwards ping requests and port scans to all subnet computers?

If I ping some friend's public IP address, this is usually the address of his router. Does the router forward the ping request to all devices on it's network? If the devices are all turned off will ...
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32 views

Netgear wnr2000v3 Router accepts Telnet connection but sends no data

A port scan of my Netgear wnr2000v3 Home Router reveals that TCP port 23 is open and running telnet as a service. When i try to connect to the router using Telnet (Windows built in client) the cursor ...
0
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1answer
16 views

Which criteria is used by the linux kernel to pick udp source ports?

They are all of course greater than 1024, but can we narrow this range a bit more? Via wireshark the lowest I've seen is 30XXX. Does the kernel specify it's criteria somewhere?
2
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1answer
41 views

Is forwarding to port 9 (discard) essentially the same as blocking a port?

My router (Linksys WRT1900ac) seems to leave port 4567 open, as discussed in this question. I'd like to block that port. Unfortunately I see no easy way in the Linksys admin console to simply drop ...
2
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1answer
52 views

If my DSL modem leaves a port open, how vulnerable is my router?

Port scans of my old Netgear router showed that port 4567 was open. I assumed my router was to blame. Now port scans of my new Linksys router show the same open port, which makes me think my DSL modem ...
0
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1answer
22 views

cli commands for Billion 7402GX

hope I've come to the right place. I have a Billion 7402GX which needs port forwarding done for CCTV. I can't find the Virtual Server section in the web gui. Is there a cli command I can use to show ...
0
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1answer
41 views

Why my iptables configuration for port-knocking does not work?

I implemented the following iptables rules on my test server for a course. The firewall shuts down and I cannot access port 22. However, after knocking on the ports 1111, 2222 and 3333 in that order - ...
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2answers
45 views

Determining what port is associated with a network interface

I have a computer with 4 ethernet ports in the back. How can I tell what network interface (eth0, eth1, ...) is associated with each port?
0
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0answers
19 views

Error assigning wpa.conf to port using wpa_supplicant?

I am very new to this sort of linux work and openwrt so any help would be good. So far I have a TL-WDR3600 router which is running open-wrt (openwrt-ar71xx-generic-tl-wdr3600-v1-squashfs-factory). ...
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0answers
20 views

port fowarding and start port end port where to put numbers

sony gave me this set of numbers tcp ports 10050,10051, 10040-10060 and on my set up looks like this external internal protocol start port end port ...
0
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1answer
42 views

Iptables to forward HTTPS traffic to remote HTTPS proxy

My goal is to use Iptables to take all traffic going to my server on port 443 and forward it to a remote HTTPS proxy server. So basically if I was to use my ip of 192.168.1.142:443 as a SSL proxy it ...
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0answers
23 views

installing trac on windows server 2012 with iis web server on port 80

I have a iis web server listening on port 80. I am installing trac via bitnamp and during the installation process it is asking me what port the bundled apache web server should listen on. the default ...
5
votes
1answer
174 views

What can the second LAN port be used for on a NAS?

I've got a NAS with 2 ethernet ports. I have one connected to the router. I read that the second could be connected to double the speed of data to and from the NAS. I don't need to do that, as the ...
1
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2answers
34 views

range of ssh tunnel port

I use ssh tunneling with : ssh -i <my_file> -R *:0:localhost:80 <my_name>@<host>. With the port = 0, the server assign me a port. How does the server choose and how can I config the ...
2
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2answers
125 views

Can't use port 8080 - what is running on it? (OS X Mavericks)

I'm trying to run Tomcat on port 8080 using cargo, but it gives the message: org.codehaus.cargo.container.ContainerException: Port number 8080 (defined with the property cargo.servlet.port) is in ...
0
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1answer
122 views

NodeJS and Apache on port 80 using different IP addresses - Apache needs port 80 clear even though it's configured to use port 80 of a different IP

I'm using a node.js app on port 80 of 127.0.0.2:80 server.listen(80, '127.0.0.2', function() {... And I want to use Apache on port 80 of another ip address, say 127.0.0.3:80, so I have this in my ...
0
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2answers
206 views

Stop Or Uninstall IIS for running Wamp Server (Apache) on default port (:80)

I'm runing an Apache server on Windows 7 using the WampServer application. I need to test some Asp.net Mvc applications so I active the IIS on windows... After that, the old Apache server that I had ...
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0answers
7 views

redirect MS SQL through Ubuntu

I'm trying to redirect a Microsoft SQL connection from local LAN to VPN via Ubuntu The Ubuntu has connection to both networks I want to be able to connect SQL from my PC to the Ubuntu and it redirects ...
0
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1answer
25 views

Is there any way to access many services from the same port?

To clarify: I am running apache on port 80 of course. I am also running DynMap on the same server. Is there any way to make it so that I can access it through port 80, or do i simply have to open the ...
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0answers
33 views

Opening a firewall port on virtualized Windows 7 running on Mac OS X 10.9

I am currently using a virtual machine running Windows 7 (32-bit) which is hosted by the VirtualBox application from Oracle; this latter is installed on a MacBook with the last up-to-date version of ...
1
vote
1answer
32 views

UDP port scanning

UDP is connectionless, so I can't expect a response packet, necessarily. If the port is closed, I might get an ICMP error message, but if the firewall could silently drop the ICMP packet How could I ...
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0answers
79 views

Nmap shows 554 and 7070 open on EVERY machine even when they are closed/filtered

Every single machine I scan shows port 7070 and port 554 as open regardless if the ports are closed/filtered. It will still show those two ports as open even if the target is offline (and the scan is ...
1
vote
1answer
27 views

opened port on router for java socket

I am trying to make a peer to peer application and I want a port to exchange connection information and I want to ensure that this port would not be closed from the firewall on the way between peers ...
1
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2answers
41 views

SSH Connection refused wrong port

I want to connect to remote server through Ubuntu shell. I am using ssh root@serverIP in Ubuntu shell but I receive this msg: connect to host xxx.xxx.xx.xx port 22: Connection refused This IP is on ...
1
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2answers
43 views

What type of port has a logo with one long line and three short lines under?

On the side of my laptop (ThinkPad x40) there is an odd place for connecting wires, directly under one of the USB ports. The port looks similar to those for USB, with a similar rectangular shape and ...
0
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1answer
24 views

COM Port in use

When i am trying to install a particular software in break stating that COM PORT 3 is in use and to stop any app that is using that. In Windows 7 PC Question How can I find which application is using ...
0
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3answers
317 views

How to determine why port 443 is already in use?

I'm running Apache 2.4.10 on a Windows 7 machine and am trying to add SSL connections. Port 80 connections work fine, and I'm trying to add port 443. When the httpd.conf gets Listen 443 added it ...
0
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1answer
346 views

What ports does WeChat use to transfer data?

I want to block the messenging service, wechat, on my netgear router. Does anyone know the TCP/UDP ports that wechat uses to communicate? WeChat is a Chinese messenging application developed by ...
-4
votes
1answer
137 views

How i open a port (port forward) on this specific router

http://gyazo.com/86e63e79d11835ec9ab71e0b8680cc8d here is a pic of how my router looks like i cant find it in this one. I know how to open ports on my other routers. Please help Model:Home Station ...
0
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0answers
10 views

Multiplatform: Is it possible to perform network scan for a certain open port on a certain IP address with just one click?

When I want to scan for a certain network's open port (say 8080) in a certain IP address (say 111.222.111.222), I go to http://www.t1shopper.com/tools/port-scan/ And I fill the fields port ...
0
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1answer
130 views

Using Telnet: Port number

With using telnet I used port 25. Example: telnet x.x.x.x 25 I had another server today that used port 23 instead. For the future, how would one easily know which port to use? Does this port ever ...
1
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2answers
80 views

Torrent ports and firewalls

I use this uTorrent program, under its settings 'Listening port' I set up a port of 46301, and also open that port in firewall. But whoever connects to me to leech, they connect to random ports ...
0
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1answer
589 views

Xampp error, port 80 in use with PID 4 in virtualbox

I noticed there is a lot of information about port 80 errors with xampp, however, there is not much information about this error on virtualbox. On my main computer, xampp works perfect. On my ...
0
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1answer
2k views

Unable to connect to the MKS: Failed to connect to server xxx.xxx.xxx.xxx:902, the port is closed

I have a server with Vsphere ESXi 5.5. when i try to start a virtual machine with the vsphere client i get this error: Unable to connect to the MKS: Failed to connect to server 172.16.63.3:902 and ...
0
votes
1answer
120 views

Reinstalled Windows 7 - Now cannot connect to any activation server or Microsoft Exchange

I reinstalled Windows 7 this morning, and now I am unable to connect to any activation servers for any Adobe software, and I cannot connect to Office 365 Microsoft Exchange server in Outlook 2013. ...
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0answers
15 views

Windows Server 2008 IP porting

We have a Dell server running Windows Server 2008. This server has two NIC cards. One NIC is connected to a private network and the second is on a public. We need the ability to route the public IP ...
0
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1answer
53 views

How can I check which ports are in use from the Linux command line? [duplicate]

I'm running a Node.JS application and need to figure out if something is using a certain port. How can I do this from the linux command line?
0
votes
1answer
45 views

Port forwarding does not work

I am connecting to office network through VPN. I have two servers A and B. I have ssh/tomcat access to A through VPN but not to B. When I ssh into A, from there I can ssh into B. Also, B is running ...
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0answers
490 views

Port forwarding on a Huawei EchoLife HG8245

The problem is port forwarding in my EchoLife HG8245 router. I am able to port forward, and I know it works. But after some time I've came with the conclusion that my router only accepts 1 connection ...
0
votes
1answer
85 views

PID not shown under Services in the Task Manager on Windows 8

I'm trying to run a program that defaults to port 9000 but there is an unknown source using that port. I found the PID by using, netstat -aon | more and went to the task managers service tab ...
0
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1answer
206 views

Opening a port on CentOS server not working externally?

I am trying to to setup a Ghost blog instance on port 80 of my CentOS 6 virtual server. There are no pre-installed web servers occupying port 80. If I run Ghost in production mode as a background ...
0
votes
1answer
134 views

After recover sshd_config on my VPS my TeamSpeak 3 client can't connect with server

I'm destroy my default sshd_config file in /etc/ssh/ on my VPS and I'm recover this to default one. After this I'm trying to connect with my TS3 server on this same VPS. OS says me TS is ON and ...
0
votes
1answer
41 views

Test connection to a port without actually connecting to it

I have a python socket server (single-threaded, accepts only one connection) running somewhere. I connect to that port and do my things. How can I detect whether port is open or closed without ...
3
votes
2answers
194 views

How to list all hosting services on Windows 7?

I cannot host on port 80, because there is an application on the background, which hosts on port 80. How do I find out which program it is?