Access mode of privkey.pem

ogogon@server:/usr/local/etc/letsencrypt/archive# ls -Ralg /usr/local/etc/letsencrypt/archive/
total 18
drwx------  3 root  wheel   3 13 апр 03:28 .
drwxr-xr-x  9 root  wheel  14  9 апр 13:36 ..
drwxr-xr-x  2 root  wheel  10  9 апр 13:36 ogogon.org

/usr/local/etc/letsencrypt/archive/ogogon.org:
total 45
drwxr-xr-x  2 root  wheel    10  9 апр 13:36 .
drwx------  3 root  wheel     3 13 апр 03:28 ..
-rw-r--r--  1 root  wheel  2041 10 янв 04:03 cert1.pem
-rw-r--r--  1 root  wheel  2451  9 апр 13:36 cert2.pem
-rw-r--r--  1 root  wheel  1647 10 янв 04:03 chain1.pem
-rw-r--r--  1 root  wheel  1647  9 апр 13:36 chain2.pem
-rw-r--r--  1 root  wheel  3688 10 янв 04:03 fullchain1.pem
-rw-r--r--  1 root  wheel  4098  9 апр 13:36 fullchain2.pem
-rw-------  1 root  wheel  1704 10 янв 04:03 privkey1.pem
-rw-------  1 root  wheel  1704  9 апр 13:36 privkey2.pem
ogogon@server:/usr/local/etc/letsencrypt/archive# 

Important: I had to install the access mode for files privkeyN.pem manually. Initially, it was like all other files in this directory!

ogogon@server:/usr/local/etc/letsencrypt# ls -Ralg /usr/local/etc/letsencrypt/keys/ /usr/local/etc/letsencrypt/live/
/usr/local/etc/letsencrypt/keys/:
total 23
drwx------  2 root  wheel     5  9 апр 13:36 .
drwxr-xr-x  9 root  wheel    14  9 апр 13:36 ..
-rw-------  1 root  wheel  1704 10 янв 04:03 0000_key-certbot.pem
-rw-------  1 root  wheel  1704  9 апр 13:29 0001_key-certbot.pem
-rw-------  1 root  wheel  1704  9 апр 13:36 0002_key-certbot.pem

/usr/local/etc/letsencrypt/live/:
total 18
drwx------  3 root  wheel   3 10 янв 04:03 .
drwxr-xr-x  9 root  wheel  14  9 апр 13:36 ..
drwxr-xr-x  2 root  wheel   7  9 апр 13:36 ogogon.org

/usr/local/etc/letsencrypt/live/ogogon.org:
total 16
drwxr-xr-x  2 root  wheel    7  9 апр 13:36 .
drwx------  3 root  wheel    3 10 янв 04:03 ..
-rw-r--r--  1 root  wheel  543 10 янв 04:03 README
lrwxr-xr-x  1 root  wheel   34  9 апр 13:36 cert.pem -> ../../archive/ogogon.org/cert2.pem
lrwxr-xr-x  1 root  wheel   35  9 апр 13:36 chain.pem -> ../../archive/ogogon.org/chain2.pem
lrwxr-xr-x  1 root  wheel   39  9 апр 13:36 fullchain.pem -> ../../archive/ogogon.org/fullchain2.pem
lrwxr-xr-x  1 root  wheel   37  9 апр 13:36 privkey.pem -> ../../archive/ogogon.org/privkey2.pem
ogogon@server:/usr/local/etc/letsencrypt# 

I think it's time to do it!

Ogogon.