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Introduction to a Self Managed Life: a 13 hour & 28 minute presentation by FUTO software
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== Step 3: See if Dynamic DNS actually works == We purposely put an incorrect IP of <code>8.8.8.8</code> in there rather than our real IP address to make sure this actually works. Now we’re going to see what happens when we try to get it to work. # Go to the pages I had you keep open before, the ''[https://freedns.afraid.org/dynamic/ dynamic DNS page on FreeDNS]'' OR the ''[https://freedns.afraid.org/subdomain/ subdomains page on FreeDNS]''. # The IP was <code>8.8.8.8</code> before. Has it changed to the IP address that you see when you visit [https://whatismyip.com whatismyip.com], that is the WAN address in '''pfSense'''? If it is, you did good. # '''Another way: Force an IP Change:''' # Disconnect and reconnect your home internet connection to force your ISP to assign a new IP address. ## You can do this by rebooting your modem or temporarily disconnecting your internet connection. ## '''Sometimes, you may not be able to get a new IP, and that’s ok!''' ## Sometimes, you can’t get a new IP from your ISP immediately. # As long as you input an incorrect IP address into the FreeDNS field for your subdomain when adding your subdomain to FreeDNS, and you saw it change to your WAN IP when you set up FreeDNS dynamic DNS in '''pfSense''', you are fine. <span id="verify-dns-resolution"></span> === Verify DNS Resolution === To make sure your new hostname resolves to your home IP address, perform a DNS lookup from any device: <ol style="list-style-type: decimal;"> <li><p>'''Open a Terminal or Command Prompt:'''</p> <ul> <li>On Linux or macOS, open Terminal.</li> <li>On Windows, open Command Prompt.</li></ul> </li> <li><p>'''Run an <code>nslookup</code> Command:'''</p> <pre>nslookup louishomeserver.chickenkiller.com</pre></li></ol> Replace <code>louishomeserver.chickenkiller.com</code> with your actual hostname. <ol start="3" style="list-style-type: decimal;"> <li><p>'''Verify the Result:'''</p> <ul> <li>The output should show your current public IP address associated with your hostname.</li> <li>This confirms that your dynamic DNS is working correctly.</li> <li>You could also just use <code>ping</code>.</li></ul> <pre>ping louishomeserver.chickenkiller.com</pre></li></ol> Does it ping your IP address? You’re good. <span id="why-this-setup-is-important"></span> === Why This Setup Is Important === With this dynamic DNS setup, you no longer have to remember or manually track your public IP address, even when it changes. By using a hostname like <code>louishomeserver.chickenkiller.com</code> you can always access your home network remotely, no matter where you are or how often Spectrum goes down & changes your IP on you. This is useful for accessing home servers or services from outside your network via OpenVPN (next section!). '''pfSense''' Dynamic DNS service with FreeDNS makes sure that my chosen hostname always points to my current IP address. No matter how often my IP changes, I don’t have to change configuration settings in my programs. <span id="openvpn-setting-up-secure-access-from-anywhere"></span>
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