my-mnag0:/etc/logwatch/conf/logfiles # ls -lrt
total 4
-rwxrwxr-x 1 root sysadm 61 Dec  1 15:11 wtmp.conf
my-mnag0:/etc/logwatch/conf/logfiles # more wtmp.conf
#Define log file group for wtmp log

Logfile = /var/log/wtmp