After a few years, the thermal paste dries out, causing massive heat issues.
Navigate to your GoldHEN overlay menu on the PS4 and turn off the built-in FTP Server. Active FTP protocols frequently lock up the port allocation required by DPI. dpi get info error ps4 hot
If the issue persists despite a cool console and updated DNS/MTU settings, the bottleneck lies directly within your router's security configuration. Disable Strict SPI/DPI Firewalls After a few years, the thermal paste dries