https://onwar.se/ 2026-09-30T15:48:21+00:00 https://onwar.se/ https://onwar.se/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2026-09-30T10:15:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://onwar.se/doku.php?id=ssh_port_22_brute_force_attack_prevention:strategies_and_best&rev=1790763339&do=diff (Image: https://burst.shopifycdn.com/photos/drone-view-of-the-front-of-a-docked-ship.jpg?width=746&format=pjpg&exif=0&iptc=0)This method can also evade some firewalls. If a port is closed, an RST packet is returned. FIN Scan: This technique sends a FIN packet to the target ports. If there is no response, the port may be open or filtered. Regular updates can address vulnerabilities that attackers might exploit. Regularly Update and Patch Systems Keeping SSH and the underlying operating system u…