0
votes
1answer
75 views

Netcat error: Can't grab 0.0.0.0:80 with bind

When I tried to listen on port 80 in Windows 7 with netcat, I get this error: C:\Users\sashoalm>echo "hello, world" | netcat.exe -l -p 80 Can't grab 0.0.0.0:80 with bind On the other hand, ...
0
votes
0answers
46 views

How to find which port a service is using by “grep” the result of netstat output on windows 7?

i want to find which port a service is using. i know i can use netstat -anb to show all the protocols and all applications. but how can i filter the result, eg. if the program i'm trying to ...
0
votes
1answer
109 views

How to find what's listening on specific port in Win7?

I'd like to find out what's blocking port 80 on my system. I've found the answer here but... as the result I get "couldn't not determine owner" (or something like that - I use Polish version so exact ...
0
votes
1answer
94 views

Windows Firewall inbound rules still blocks ports

I applied inbound rules for port: 1935, as well as outbound. When I check on canyouseeme.org, it says it (port 1935) times out. When I completely turn off Windows 7's firewall, it works without a ...
0
votes
5answers
369 views

Cannot Delete Unwanted COM ports - Windows 7

I recently installed a Cannon wireless printer for temporary use, the drivers of which set nearly all my COM ports to be constantly in-use (an occasionnal bug noted in the ReadMe after installation ...
0
votes
1answer
452 views

HP USB P2015 printers create new virtual USB ports in Windows; seemingly at random

We have the following scenario: 30 laptops 30 HP Laserjet P2015 printers all coupled via USB The users can sit at a different place, a different printer (though the identical model) every day. ...
0
votes
2answers
183 views

How to remove IIS for WampSERVER?

I have WampServer installed, and I installed Microsoft SEO Toolkit, I guess that has the IIS dependency. And I guess the iis service uses port 80. Now every time I start WampServer, I need to go to ...
7
votes
5answers
7k views

USB Ports Not Working

None of the USB ports work anymore on my HP EliteBook 2540p laptop which is running Windows 7 Pro SP1. By "not working," I mean if I try plugging in a thumbdrive or external HDD it does nothing ...
0
votes
1answer
124 views

TCP > COM1 for receiving messages and displaying on POS display pole

I currently have a Java Applet running on my web page that communicates to a display pole via COM1. However since the Java update I can no longer run self-signed Java Applets and I figure it would ...
2
votes
1answer
3k views

How to Password Protect USB Ports?

Is there a way to Password Protect the USB Ports in Windows 8 so that every time a USB is inserted a prompt comes out asking for a password before it can be used on the PC ? Is this possible without ...
0
votes
1answer
397 views

Port forwarding between NIC cards

I have a network in the 192.168.10.xxx range. On one of the computers on the network there are two NICs. One NIC is in the 192.168.10.xxx subnet, connected to the main network. The other NIC is in the ...
1
vote
3answers
1k views

Open TCP port in Windows 7 and read incoming data, what program to use?

I have an external device which can connect over GPRS to the Internet using a SIM card and I want to see what data it sends. I can program it to use my computer as a server and then use a program to ...
0
votes
1answer
605 views

Ports 1935 and 843 are getting blocked for no reason

I have Windows 7, and my computer has been blocking ports 1935 and 843 for no reason for a while now. If for example, I try to watch twitch, nothing will work because those two are getting blocked. ...
1
vote
1answer
181 views

Who is listening on my 80 port [duplicate]

In My PC, I am running : telnet localhost 80 and it seems that there is an answer. No IIS runs, no java server runs. How do I know which process listens to 80 port?
0
votes
1answer
635 views

Forcibly unbind a port in Windows?

So, I'm trying to set up a subversion server on Windows 7, and am having a problem with bound ports. I searched around a bit, and found this question about how to handle this, but I'm having a problem ...
1
vote
0answers
219 views

USB hub assigning random com ports when Windows 7 PC or USB Hub are rebooted

I have four hardware devices that are plugged in through a self powered USB hub. Currently the devices are assigned COM1 COM2 COM3 COM4 through device manager as hoped. However, when rebooting the ...
0
votes
1answer
109 views

windows 7 port open issue

I set up a web server on my Windows 7 computer and want to open port 80 so outside computer could visit my web server. At first, I thought it's the firewall blocking the port, so I open a new rule on ...
1
vote
1answer
91 views

Can I reorder SATA port connections?

I currently have 5 SATA-Drives installed and Windows 7 installed. I want to reorder the connections, ie connect alle the drives to different ports. Does this mess up anything in windows?
11
votes
1answer
541 views

Determining what process has bound a port (without listening) on Windows

If I want to find out what process is listening on what socket, I can use netstat/TCPview and will immediately see it. However, it is possible to bind to an address without listening. If this is done, ...
1
vote
1answer
694 views

TCP/UDP ports that cannot be bound (permission error), but don't show up in netstat

When attempting to listen on certain TCP or UDP ports, I get weird error messages regarding permissions (or generic messages, depending on the program used to bind). The message in German is "Der ...
0
votes
1answer
229 views

How can I remap outgoing TCP ports?

Is there any way to remap a TCP port from a program were you not can change the port number? The program talks on port 4321 and I want it to go out on port 14321 on the local computer.
0
votes
0answers
667 views

Port Forwarding for RDP

I'm trying to setup Remote Desktop on my computer. It's currently running Windows 7. RDP is set to allow for incoming connections. I've followed the instructions at PortForward.com, but am having no ...
3
votes
4answers
3k views

Default Open ports in router?

In order for my computers at work (behind a main router) to be able to browse to internet - which ports (minimum) should I keep open to let them browse the internet ? is it just 80 , 443 ?
0
votes
2answers
131 views

Which Port And Protocol Is Being Blocked

I wrote a .NET program to make an HTTP request over the Internet, and it's being blocked by my PC's firewall. The operating system being used is Windows 7. I figured I could create an outbound rule ...
1
vote
0answers
376 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 ...
2
votes
1answer
2k views

How many serial ports can be configured in Windows 7?

I am trying to learn the maximum number of serial ports that can be configured on Windows 7. Any information on this will be greatly appreciated. I'm having trouble finding this.
0
votes
1answer
434 views

Unable to open port on Win7 machine

I'm trying to run Privoxy as a proxy on my machine. I want the browser on my Android device to access the internet through it. Now I've opened exceptions for both Privoxy and port 8118 (which is the ...
1
vote
1answer
545 views

Windows 7 - Can't get response from local servers after restart - Always timeouts

After a long uptime and the installation of some Windows Updates no local server is working. My development system is a Windows 7 x64 Professional installation. I had a full working XAMPP set-up ...
1
vote
1answer
309 views

Restricted ports to non-admins on Windows 7

I work in a restrictive desktop/network environment and I am not an admin on my laptop. The ports available to me are limited. E.g. when I tried running Tomcat, the system refused to open a socket ...
4
votes
2answers
58k views

How to check if TCP port 1723 and GRE protocol port 47 are blocked or not in windows 7?

I am trying to connect to a VPN Server (BestUKVPN) but im failing each time I try. I get the 691 error but the username and password are OK. I searched and I am told that the port 1723 or GRE protocol ...
1
vote
0answers
243 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 ...
3
votes
1answer
205 views

Why is my system using port 4?

I have Windows 7 and have noticed that my system is using port 4 to connect to a lot of different IP addresses. When it connects to them it is not for very long before it moves to another IP address. ...
4
votes
2answers
6k views

Something is using port 80 and I can't figure out what [duplicate]

Possible Duplicate: How to find exe listening on port? What is using port 80? I need to setup a local webserver that I made and bind it to 127.0.0.1:80. However, I can't seem to figure ...
3
votes
2answers
231 views

How to block a port for specific time?

I want to block a port for a specific time duration, say 1 am to 3 am. I can add a rule to built in firewall but this blocks the port all the time. Is there any way to do this for only a specif ...
5
votes
3answers
14k views

How to know which port is busy or free on Windows 7? [duplicate]

Possible Duplicate: How can I see all active connections? I have some conflict of ports and my WampServer didn't work, so I have to know which port is used. Is there a command line command ...
3
votes
4answers
9k views

Windows 7 is blocking ports

I am trying to open port 80 and 3690 for HTTP and svnserve respectively (inbound for both). I have Windows Firewall off, and have tried temporarily disabling Mcafee VirusScan Enterprise, to no avail. ...
2
votes
1answer
532 views

Disconnect a Program from its Socket or Port in Windows 7

I am working on a hack for internal purposes whereby I want to disconnect a program from it's socket without killing the process. For example, program A (running xxx.exe) is running on port 50000 and ...
0
votes
0answers
695 views

Intel Rapid Storage Technology (IRST): puzzled over port number assignements

I am using the tool Intel Rapid Storage Technology (IRST) v9.6.61001 to display the current status of several disks that are built-in and/or connected to a Lenovo W701 Model 4323. The status window ...
5
votes
3answers
13k views

What is binding this port?

Something is serving content on my port 80, but I don't know what process is doing this. Is there any way to find out what process is bound to which port(s)? Update: This is the output of netstat... ...
1
vote
1answer
492 views

How can I configure my SOHO Windows 7 machine to host a Minecraft Server that requires people to join the VPN prior to connecting?

Is that possible? Basically having some security issues with having the port open. Wondering if I can expose the Minecraft Server to a VPN only so that users will need to authenticate and join the VPN ...
2
votes
1answer
4k views

How can I map a domain name to an IP address and port?

I want to give a domain name to the IP address and port for an application in Windows 7. For example, test.com should map to 127.0.0.1:59873. Is there anyway that we can do it by using a web server ...
5
votes
2answers
26k views

How to kill a particular tcp connection in windows?

On Linux we can kill an Established TCP Connection using tcpkill command. For example, to drop all connection to/from a particular IP: tcpkill host ipaddr Or similary to kill all connection ...
2
votes
1answer
1k views

Is it possible to run a program to redirect all port 5938 access to port 59000?

We'd like some sort of program that redirects all reads/writes to port 5938, to port 59000. It has to work in both directions, kind of like a "port tunnel". Is this possible?
0
votes
2answers
1k views

Closing 139 and 445 ports to prevent from get hacked

I heard that you can close these two ports for surfing safe on the internet. By mean don't get hacked. Now I'm closed them but I'm not sure is it really true or not. BTW, I'm on win7. Thanks.
3
votes
1answer
82 views

Just bought a domain, setting up a couple server applications for the first time

I recently bought a domain, mainly for website experimentation, game servers and a ventrillo. I'm running all this from my home computer, and I am using freedns.afraid.org as my ddns nameserver. ...
0
votes
2answers
4k views

How do I change the default TCP listening port for VLC HTTP Remote Control from 8080?

I think most of the info is in the question but here's a little more detail on what I'm trying to achieve. I control VLC via my Android phone and the VLC Remote app. It works just fine, but I'd ...
1
vote
2answers
2k views

Forwarded port 80 to VM using VirtualBox, how do I open access to network?

I forwarded port 80 to my Ubuntu Server VM, and the website is very much accessible locally. How do I allow incoming port 80 connection to Windows 7 (so it will be forwarded to the Ubuntu Server)?
6
votes
4answers
5k views

Why is System listening on port 8000?

I noticed by accident today that I have some unknown webserver listening on port 8000. Opening http://localhost:8000 just returns 404, so I don’t get any hint what exactly is listening there. I’ve ...
0
votes
1answer
152 views

Can't access port forwarded to Windows 7 machine

Before, I never had this problem with Windows 7 – the router always had the same settings like below. Installed Windows 7, all drivers, etc. Updated Windows 7 to SP1 (a bunch of KBs before SP1 ...
0
votes
2answers
96 views

Limit access to a windows box on one port?

On my windows box I only need one port open, so I can open a socket connection to an AIR app and retrieve some status data occasionally. This is the only outside connection need. How can I do this on ...