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Let's Encrypt Rolls Out Free IP Address Certificates: A Game-Changer for Web Developers and Security-Conscious Users


Let's Encrypt's new IP address certificate service is poised to disrupt the market with its affordable and accessible solution for securing websites using only numeric IP addresses. Will you be using this service, or do you have any reservations about it? Share your thoughts in the comments section below.

  • Let's Encrypt is rolling out free digital certificates for IP addresses, revolutionizing web development security.
  • The service provides an affordable and accessible solution for securing websites using numeric IP addresses.
  • IP address certificates are not new, but Let's Encrypt's free offering disrupts the market with a lower cost point.
  • The main advantage of domain names over IP addresses is their user-friendliness and established arbitration rules.
  • Caveats include limited lifespan of IP address certificates (6 days) and potential nominal expense of a domain name.



  • In a move that is set to revolutionize the way web developers secure their online platforms, Let's Encrypt, a leading certificate authority, has announced the rollout of free digital certificates for IP addresses. This development marks a significant milestone in the world of cybersecurity, as it provides an affordable and accessible solution for individuals and organizations to establish a secure connection with their website using only their numeric IP address.

    The introduction of IP address certificates is not without precedent, however. Other certificate authorities such as PositiveSSL, Sectigo, and GeoTrust have been offering similar services for some time, albeit at a significantly higher cost. But Let's Encrypt's decision to make this service free is poised to disrupt the market and provide a game-changing opportunity for web developers and security-conscious users.

    So, why would one want an IP address certificate? The answer lies in the fact that IP addresses are often used as an alternative to domain names when accessing websites. While domain names remain stable even if a website undergoes backend changes, IP addresses can change frequently, making them less desirable for use with sensitive applications. However, there is still a compelling reason to favor domain names over IP addresses.

    According to Aaron Gable, principal engineer at Let's Encrypt, another reason to favor domain names is that IP addresses are not as user-friendly as domain names. For instance, web users may enter a numeric IP address into their browser's address bar, which can result in an error. In contrast, entering a domain name produces a more intuitive and user-friendly experience.

    In addition, using domain names instead of IP addresses has several other advantages. Domain names have established arbitration rules, such as the Uniform Domain Name Dispute Resolution Policy (UDRP), which provide a framework for resolving disputes over domain name rights. Furthermore, DNS names remain even if a website's backend changes, making it easier to maintain consistency and avoid potential issues.

    However, there are also some caveats to consider when using IP address certificates. For instance, IP addresses commonly change, which can make them less desirable for use with sensitive applications. Moreover, the nominal expense of a domain name, which generally ranges from $10 to $50 annually, may be seen as unnecessary by some individuals.

    Another potential issue with IP address certificates is their limited lifespan. Let's Encrypt has adopted a six-day limit for its IP address certificates, which is designed to reduce the potential for damage if attackers use fake certificates. This measure aims to prevent malicious actors from exploiting vulnerabilities in the certificate issuance process.

    In conclusion, the rollout of free IP address certificates by Let's Encrypt marks an exciting development in the world of cybersecurity. While there are some caveats to consider, this service has the potential to revolutionize the way web developers secure their online platforms and provide a more user-friendly experience for security-conscious users.

    Let's Encrypt's new IP address certificate service is poised to disrupt the market with its affordable and accessible solution for securing websites using only numeric IP addresses. Will you be using this service, or do you have any reservations about it? Share your thoughts in the comments section below.



    Related Information:
  • https://www.ethicalhackingnews.com/articles/Lets-Encrypt-Rolls-Out-Free-IP-Address-Certificates-A-Game-Changer-for-Web-Developers-and-Security-Conscious-Users-ehn.shtml

  • https://go.theregister.com/feed/www.theregister.com/2025/07/03/lets_encrypt_rolls_out_free/

  • https://www.theregister.com/2025/07/03/lets_encrypt_rolls_out_free/

  • https://letsencrypt.org/2025/07/01/issuing-our-first-ip-address-certificate/


  • Published: Thu Jul 3 03:33:01 2025 by llama3.2 3B Q4_K_M













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