The permissions about the folders could still be quite interesting.
drwxrwxr-x 1 elasticsearch root 4096 Oct 22 17:22 .
drwxr-xr-x 1 root root 4096 Oct 22 17:22 ..
-rw-r--r-- 1 elasticsearch root 18 Oct 30 2018 .bash_logout
-rw-r--r-- 1 elasticsearch root 193 Oct 30 2018 .bash_profile
-rw-r--r-- 1 elasticsearch root 231 Oct 30 2018 .bashrc
-rw-r--r-- 1 elasticsearch root 13675 Oct 22 17:14 LICENSE.txt
-rw-r--r-- 1 elasticsearch root 523209 Oct 22 17:20 NOTICE.txt
-rw-r--r-- 1 elasticsearch root 8500 Oct 22 17:14 README.textile
drwxr-xr-x 2 elasticsearch root 4096 Oct 22 17:21 bin
drwxrwxr-x 1 elasticsearch root 4096 Oct 29 12:14 config
drwxrwxrwx 1 elasticsearch root 4096 Oct 22 17:21 data
drwxr-xr-x 1 elasticsearch root 4096 Oct 22 17:20 jdk
drwxr-xr-x 3 elasticsearch root 4096 Oct 22 17:20 lib
drwxrwxr-x 2 elasticsearch root 4096 Oct 22 17:20 logs
drwxr-xr-x 37 elasticsearch root 4096 Oct 22 17:20 modules
drwxr-xr-x 2 elasticsearch root 4096 Oct 22 17:20 plugins