https://onwar.se/ 2026-10-01T21:44:54+00:00 https://onwar.se/ https://onwar.se/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2026-10-01T07:09:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://onwar.se/doku.php?id=port_465_vs_port_587:a_case_study_on_email_transmission_security&rev=1790838566&do=diff (Image: https://www.freepixels.com/class=)If a service running on an open port is outdated or misconfigured, it can become an entry point for attacks such as unauthorized access, data breaches, or denial-of-service (DoS) attacks. Cybercriminals often scan networks for open ports to identify potential vulnerabilities. However, open ports can also pose security risks. Therefore, while open ports are essential for functionality, they must be monitored and managed carefully to mitigate risks.