I've had the same problem as most ISPs provide a dynamic IP address to cable and DSL modems. That means your public IP address at home can change. The solution is to set up a domain name where you can reach your router from the public internet using a free service such as DynDNS. Go to http://www.dyndns.com/ and sign up for a free account. -Once you create an account and login, go to the My Services page and select Add Host Service.
-Enter a hostname. This will be your domain name that you use to access your home network from the public internet. -Fill in the IP address from the status page of your router configuration page. -Click on add host and you are done here. Now go back into your router's control panel and find the Dynamic DNS section. *If your router is missing this, it's time to look into buying a new one. -Under the Setup tab click on the DDNS tab -Select DynDNS.org -Fill in your username and password for your dyndns account. -Enter the dyndns hostname you created. -Save Settings. Now whenever your IP address changes, your router will automatically update the information in your dyndns account. -If you go to a command line and ping your dyndns host name. You should now see the same IP address as the router shows.P.S. My router is the Linksys WRT54GL flashed with DD-WRT. It comes with OpenSSH and I configured public-key encryption which means that I can connect to my home network to browse the internet from anywhere with an internet connection (public wi-fi) without leaving a *nix server running all-the time behind my router. > Date: Thu, 20 Dec 2007 23:23:54 -0500 > From: [EMAIL PROTECTED] > To: [email protected] > Subject: Dynamic IP Address workaround > > OpenBSD box (static IP address) sits behind a Wireless DSL router that > receives a dynamic IP address from ISP. > I'm thinking that if the box sends an email to my externally hosted > email address every few hours I can always refer to the most recent > email received (specifically it's headers) to know what my IP address is > while away from home. > > Question: > 1. Is there an easier way to always know my dynamic IP address? > 2. If this is a feasible solution, is there a program that can > configured to send a template email to a specific address every hour or so? > 3. Is this something that cron needs to become involved with? > > Any advice is much appreciated. > Thanks > -gb > > > _______________________________________________ > Openbsd-newbies mailing list > [email protected] > http://mailman.theapt.org/listinfo/openbsd-newbies
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