Description: Obsolete protocols are communication standards that have become outdated and, therefore, are susceptible to various vulnerabilities, including Distributed Denial of Service (DDoS) attacks. These protocols, which were once fundamental for data transmission in networks, may lack the necessary security measures to protect against modern threats. The obsolescence of a protocol can be due to the evolution of technology, the emergence of new threats, or the lack of support from developers. As a result, systems that still rely on these protocols can be easy targets for attackers, who can exploit their weaknesses to disrupt service or compromise data integrity. Identifying and eliminating obsolete protocols is crucial for maintaining the security and stability of network infrastructures, as their use can facilitate the execution of DDoS attacks, which aim to saturate the resources of a server or network, causing significant service interruptions. Therefore, it is essential for organizations to regularly assess their systems and update their communication protocols to mitigate these risks and ensure a robust defense against contemporary cyber threats.