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How can i scan remote host's ip using java programming. i have main routers and under main routers i have several sub routers are connected. under sub routers we have several switch connected to sub router from where different clients are connected. so my problem is to find the status of remote machine from main router. so i am planning to design a software to check the status of remote host from the main router. but i don't have idea how to scan the remote ip. sir/mam could you please guide me in this concern? hope for answer. G S Kharel Gangtok

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  • Dutyacx May 11, 2010

    What kind of information do you want from the host ?
    http://nmap.org/ has a great tool for scanning ports externally, O.S. detection a.s.f. Maybe this is what you need ? Saves you a lot of programming !

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Pla you using Advance Ip scanner

Posted on Mar 15, 2009

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How can i map my public ip address to th natted ip private?


It's mapped automatically by your ISP, the real question is what are you trying to accomplish?
  • Are you looking to trying to run some type of service, host a web server, ftp etc?
  • Are you trying to enable a remote connection to a PC/server behind a nat router?
  • Are you wanting to configure a dynamic IP? (This maps a host name ex: myhomeserve.somedomain.com to your non static ip assigned by your ISP)

Please comment back so I can help you!

Aug 12, 2011 | Gateway Belkin 54g Wireless DSL/Cable...

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How To Connect to home computer from Another Location


<p>Using the Remote Desktop feature, you can connect your home computer (host) from any other remote computer (client) and can access all computer resources (installed programs, data and any network resources). You can run any computer application on the remote computer as if you were actually sitting in front of your home computer.<br />Follow the given steps to configure your computer to connect with remote computers: <br />To use this feature, you will need to be logged into your computer with administrative rights. Make sure both computers are connected to the internet. <br />First you have to configure the host computer to allow users to connect to it remotely. On the host computer, right click on "My computer" and click on Properties option.<br />Under the Remote tab, select the option "Allow users to connect remotely to<b> </b>this computer" and click Ok button.<br />Now get the IP address of host computer (type the "ipconfig /all" on the command prompt of host computer to find IP address).Start--Run--type "CMD" then hit enter for command prompt.<br />Now make a connection on remote or client computer, click on Start button, go to All Programs&gt; Accessories, and Communications, then click on Remote Desktop Connection, option. A Remote Desktop Connection, dialog box will appear.<br />Click on Options button for detail configuration, under the General tab, type the IP address of host computer in the Computer box and also type username and password of host computer then click on Connect button to make a connection to remote computer. If your username and password is correct then a remote desktop windows will appear. <br />

on Jul 11, 2011 | Computers & Internet

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Connect your home computer from Remote location.


Using the Remote Desktop feature, you can connect your home computer (host) from any other remote computer (client) and can access all computer resources (installed programs, data and any network resources).
You can run any computer application on the remote computer as you were running actually sitting in front of home computer.
Follow the given steps to configure your computer to connect remote computer: To use this feature, you will need to be logged into your computer with administrative rights.

-To perform this task, first make sure your both computers are connected to the internet.
-First you have to configure the host computer that allows the users to connect it remotely. On the host computer, right click on "My computer" and click on Properties option.Under the Remote tab, select the option "Allow users to connect remotely to this computer" and click Ok button.
-Now get the IP address of host computer (type the "ipconfig /all" on the command prompt of host computer to find IP address).
-Now make a connection on remote or client computer, click on Start button, go to All Programs> Accessories, and Communications, then click on Remote Desktop Connection, option. A Remote Desktop Connection, dialog box will appear.Click on Options button for detail configuration, under the General tab, type the IP address of host computer in the Computer box and also type username and password of host computer then click on Connect button to make a connection to remote computer.
-If your username and password is correct then a remote desktop windows will appear.

Good luck.

on Apr 15, 2010 | Computers & Internet

1 Answer

Remote Access


IF you are getting public ip from your isp, please go to administrator tab of the router and first change the router's password which is on the top on same page in black dots,,type your new password by deleting old one and re-confirm it just below and save it..router will prompt for the new password just to let you know settings are saved now enable remote managment option on the same page and port is 8080(default, you can use your own port number) and save setting..now you are ready to access your router remotely for that note down the public ip you are getting on your router's status page and in remote location you need to type something like :- http://x.x.x.x:8080...x.x.x.x is your internet ip (public) and 8080 is port number for remote management.

For host applications need to know which application you are running according to that need to open port in the router using Port Forwarding feature of the router.

Jul 15, 2010 | Linksys Wireless-N WRT150N Router

Tip

How to connect your home computer from Remote location?





Using the Remote Desktop feature, you can connect your home computer (host) from any other remote computer (client) and can access all computer resources (installed programs, data and any network resources). You can run any computer application on the remote computer as you were running actually sitting in front of home computer.
Follow the given steps to configure your computer to connect remote computer:
To use this feature, you will need to be logged into your computer with administrative rights.
google_protectAndRun("ads_core.google_render_ad", google_handleError, google_render_ad);
To perform this task, first make sure your both computers are connected to the internet.
First you have to configure the host computer that allows the users to connect it remotely. On the host computer, right click on "My computer" and click on Properties option.
my_computer_properties.jpg Under the Remote tab, select the option "Allow users to connect remotely to this computer" and click Ok button.
remote_desktop.gif Now get the IP address of host computer (type the "ipconfig /all" on the command prompt of host computer to find IP address).
Now make a connection on remote or client computer, click on Start button, go to All Programs> Accessories, and Communications, then click on Remote Desktop Connection, option. A Remote Desktop Connection, dialog box will appear.
remote_dialogbox.jpg Click on Options button for detail configuration, under the General tab, type the IP address of host computer in the Computer box and also type username and password of host computer then click on Connect button to make a connection to remote computer.
remote_desktop_connection.jpg If your username and password is correct then a remote desktop windows will appear.
google_protectAndRun("ads_core.google_render_ad", google_handleError, google_render_ad);

on Dec 03, 2009 | Computers & Internet

4 Answers

Scan cannot be performed


I also had the same problem with HP Officejet 6310 and after trying all the solutions that I could find on the web, I was almost giving up. Then I found this on HP's IT Resource Center website (author J.Eqbal) and tried it and finally it scanned without the error message.
This error happens only in Network connections.
Get the Ip address of the Printer and open the EWS page by typing i.e http://192.168.1.102...where 192.168.x.x.x is the IP address of the Printer.
On the EWS page click on Network and get the host name and copy it.
go to the following location C:\Windows\System32\drivers\etc...inside etc you will find the host file open it using notepad.
Underneath 127.0.0.1 local host
there might be the Ip address and host name ..which will be different from the current host name...change the Ip address and host name ..save the file.
Try to scan...it will definitely work.


Dec 08, 2008 | HP Photosmart C7180 All-In-One InkJet...

1 Answer

Wireless router install on cable modem w/static ip address set


Connect a computer to linksys lan port 1-4, point browser to linksys http://192.168.1.1 under Setup->Basic Setup->Internet Settings choose "Static IP" and fill in the fields below... the field for gateway should be set to the static ip of your cable modem. the field for netmask should probably be 255.255.255.0. It may help to turn on DHCP for local network so that lan hosts can get their ip's from the linksys.

May 15, 2008 | Linksys WRT55AG Router

1 Answer

CyberXLink CXL-EBR-W router - can't open ports 5631/5632 for pcAnywhere


Hi dave, I'm not familiar with that router at all and I didn't find any doc's online for it so I'm running blind here but... If the router has it make sure "Block WAN Request" is disabled or you won't get anywhere. Also I don't know if the print server has anything to do with your problem. Have you tried mapping those ports directly to the host in the router? TCP PCanywhere port 5631 Inbound 192.168.1.[host IP] port 5631 UDP PCanywhere port 5632 Inbound 192.168.1.[host IP] port 5632 I'm also assuming that you're using a static IP on the host. You don't want to use a dynamic IP. Hope this helps. Let me know how you make out, Duder

Nov 17, 2006 | cyberxlink (CXLEBRW) Wireless Router

1 Answer

Can't acces some websites


This sounds more like a problem with your computer's operating system rather than the broadband router. Since the purpose of the broadband router is to provide IP connectivity to the Internet, it is functioning properly if you get to the front pages of the web sites. Now, typically the front pages of the web sites are simplistic when it comes to design and functionality. The more advanced features come in once you log on and get to when things are personalized for individual users. Web sites offer these features through several technologies, such as Java and Flash. Perhaps one of these programs on your computer has become corrupted. Go to Add/Remove programs and try un-installing all versions of Sun Java (or just Java) and Macromedia Flash (or Adobe Flash or just Flash). Then go to their web sites, download and install the latest versions. Java: http://www.java.com Flash: http://www.adobe.com/products/flashplayer/ Restart your computer after installing both. You may also want to check the security settings in your web browser. If the settings are to high, they may be preventing these technologies from running and properly displaying content in your web browser.

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