Hello, I see the files below are generated under /etc/raddb/certs directory. Can someone explain to me the usage of these files? Our system is very secure and did not want to create certs and keys dynamically. -rw-r--r-- 1 root 0 4393 Nov 5 18:47 01.pem -rw-r--r-- 1 root 0 4370 Nov 5 18:47 02.pem -rw-r----- 1 root 0 6155 Nov 5 18:42 Makefile -rw-r----- 1 root 0 8714 Nov 5 18:42 README -rwxr-x--- 1 root 0 2706 Nov 5 18:47 bootstrap -rw-r----- 1 root 0 1432 Nov 5 18:42 ca.cnf -rw-r--r-- 1 root 0 1256 Nov 5 18:47 ca.der -rw-r--r-- 1 root 0 1751 Nov 5 18:47 ca.key -rw-r--r-- 1 root 0 1757 Nov 5 18:47 ca.pem -rw-r----- 1 root 0 1103 Nov 5 18:42 client.cnf -rw-r--r-- 1 root 0 4370 Nov 5 18:47 client.crt -rw-r--r-- 1 root 0 1045 Nov 5 18:47 client.csr -rw-r--r-- 1 root 0 1743 Nov 5 18:47 client.key -rw-r--r-- 1 root 0 2581 Nov 5 18:47 client.p12 -rw-r--r-- 1 root 0 3545 Nov 5 18:47 client.pem -rw-r--r-- 1 root 0 424 Nov 5 18:47 dh -rw-r--r-- 1 root 0 229 Nov 5 18:47 index.txt -rw-r--r-- 1 root 0 21 Nov 5 18:47 index.txt.attr -rw-r--r-- 1 root 0 21 Nov 5 18:47 index.txt.attr.old -rw-r--r-- 1 root 0 120 Nov 5 18:47 index.txt.old -rw-r----- 1 root 0 1131 Nov 5 18:42 inner-server.cnf -rw-r--r-- 1 root 0 166 Nov 5 18:42 passwords.mk -rw-r--r-- 1 root 0 3 Nov 5 18:47 serial -rw-r--r-- 1 root 0 3 Nov 5 18:47 serial.old -rw-r----- 1 root 0 1125 Nov 5 18:42 server.cnf -rw-r--r-- 1 root 0 4393 Nov 5 18:47 server.crt -rw-r--r-- 1 root 0 1062 Nov 5 18:47 server.csr -rw-r--r-- 1 root 0 1751 Nov 5 18:47 server.key -rw-r--r-- 1 root 0 2589 Nov 5 18:47 server.p12 -rw-r--r-- 1 root 0 3576 Nov 5 18:47 server.pem -rw-r--r-- 1 root 0 3545 Nov 5 18:47 user@example.org.pem -rw-r----- 1 root 0 708 Nov 5 18:42 xpextensions Regards Simon