Discuz7.2 the background reports an http500 exception

Source: Internet
Author: User
Discuz7.2: the backend reports an http500 error. recently, the forum was infected with a Trojan. after being cleared, the system reports an http500 error when logging on to the backend. a similar problem has occurred before, but it is OK when ulimit is set, but this time it won't work. please help me solve it! Thank you ., Set directory permissions. do not grant write permissions to non-upload directories, and do not grant execution permissions to upload directories! The error http500 is reported in the discuz7.2 background.
Recently, the forum was infected with Trojans. after being cleared, the system reports an http 500 error when logging on to the background. Similar cases have also occurred before, but it is OK when ulimit is set, but this time it won't work. please help me solve it! Thank you.

------ Solution --------------------
Set directory permissions. do not grant write permissions to non-upload directories, and do not grant execution permissions to upload directories,

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