Phoenix Network Forums

by **evln** on Sat Sep 10, 2005 7:41 pm

Hi,

I need to know an ip of a computer at home from another location. The ip is assigned dynamically by the isp. The ip changes from time to time. I have full access to that computer and I was wondering how to find the ip?

Any ideas?

Regards,
Ali

by **funman** on Sun Sep 11, 2005 4:16 am

well, there's many ways, if it's a windows computer, just check netstat or the flashy "connection" icon in the system tray

If you have mIRC, just do //echo -a $ip

If you're on a nuix system, ask someone who isn't a complete noob at it Very Happy

by **Tim** on Sun Sep 11, 2005 4:28 am

Use a dyndns type system and have an autoposter which should update the IP each time your computer is reassigned an IP.

by **mm_freak** on Sun Sep 11, 2005 1:07 pm

funman wrote:well, there's many ways, if it's a windows computer, just check netstat or the flashy "connection" icon in the system tray

If you have mIRC, just do //echo -a $ip

I think he meant finding his home IP-address from a remote computer.

funman wrote:If you're on a nuix system, ask someone who isn't a complete noob at it :D

To answer this: the ifconfig command will show basic informations (IP address, DNS servers, ...) about all local network interfaces.

by **evln** on Sun Sep 11, 2005 6:24 pm

Tim wrote:Use a dyndns type system and have an autoposter which should update the IP each time your computer is reassigned an IP.

great idea. I got a free dyndns and then used a python script to update it every few minutes.

thanks

by **mm_freak** on Sun Sep 11, 2005 11:51 pm

evln wrote:great idea. I got a free dyndns and then used a python script to update it every few minutes.

Beware: the DynDNS admins don't like this. You should read DynDNS' Update Abuse Policy:

DynDNS Update Abuse Policy wrote:[...] Updates should only be performed when your IP address has changed. Updates should not be performed on any timed interval, except every 28 days if your IP has not changed and you wish to prevent your Dynamic DNS hostname from expiring. If your ISP assigns your IP via DHCP, note that most DHCP-assigned IPs do not change every time the lease is renewed: updating every lease renewal is likely to get your hostname or domain blocked as well. [...]

by **merliin** on Mon Sep 12, 2005 3:26 am

You could try http://www.no-ip.com/
They offer an automatic dns update tool, that can sit in the systray, run as a service or daemon and supports win32, Mac and Linux.
They also support dyndns for your own FQDN's for a fee.

Regards,
MERLiiN

by **mm_freak** on Mon Sep 12, 2005 5:18 am

For DynDNS there are hundrets of update clients offered by the community itself. Most of them are free (in terms of the GPL). It's better than trusting the product of some company.

by **davix** on Sat Oct 08, 2005 11:08 am

Two tools that will get you through almost anything you wish.
1. WhatIsMyIp http://whatismyip.com - Self explanitory
2. Afraid.org http://afraid.org - free dyndns tools.

by **crack0** on Wed Apr 05, 2006 8:33 pm

what's your OS ?
for win
start:run type "cmd.exe"
ipconfig
....

by **womack** on Fri Apr 07, 2006 3:40 am

i guess it will be like this

ipconfig/all

by **hannahbrian** on Tue Apr 11, 2006 4:40 pm

I just figured out my Linksys 54g Wireless router has this feature built in to it! There's a page in the setup for the router for Dynamic DNS, and it interfaces with either dyndns.org or TZO.com, and will update their website whenever it receives a new IP address from my ISP.

I just thought I would mention this, because I didn't know this feature existed on my router until recently, so maybe some of you have this built in as well!

by **zogo** on Tue Apr 11, 2006 7:18 pm

womack wrote:i guess it will be like this

ipconfig/all

If you're behind the router, this'll get you your local ip, not the public one.

by **selket** on Sun Apr 16, 2006 12:24 am

Hi,

I've been working on a phpscript and windows C# application to do this as a hobby. It is not production ready but if you go to http://www.kallipolis.com/redirect (sorry for the shameless self-plug) you should be able to get it working. Since I'm still developing it (the application works but the directions are a little vague -- sorry) I would love any feedback you can give.

-selket

by **dlx** on Wed May 31, 2006 12:46 pm

i can recommend www.ipactive.de (page is in german.. if you need help translating it, just ask me, ill be glad to help) they offer a simple program to keep something.ipme.de updated to your ip. the program also offers ability to auto-dialin/redial on disconnection/dial-in at midnight etc.

really cool

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