Index: vsftpd-3.0.5/EXAMPLE/VIRTUAL_USERS/vsftpd.pam
===================================================================
--- vsftpd-3.0.5.orig/EXAMPLE/VIRTUAL_USERS/vsftpd.pam	2008-02-02 02:30:40.000000000 +0100
+++ vsftpd-3.0.5/EXAMPLE/VIRTUAL_USERS/vsftpd.pam	2022-02-01 20:12:03.670894600 +0100
@@ -1,2 +1,2 @@
-auth required /lib/security/pam_userdb.so db=/etc/vsftpd_login
-account required /lib/security/pam_userdb.so db=/etc/vsftpd_login
+auth required pam_userdb.so db=/etc/vsftpd_login
+account required pam_userdb.so db=/etc/vsftpd_login