Часть /etc/ssh/sshd:
# Logging
# obsoletes QuietMode and FascistLogging
SyslogFacility LOCAL7
#LogLevel INFO
*.err;kern.warning;auth.notice;mail.crit /dev/console
*.notice;authpriv.none;kern.debug;lpr.info;mail.crit;news.err /var/log/messages
security.* /var/log/security
auth.info;authpriv.info /var/log/auth.log
mail.info /var/log/maillog
local7.* /var/log/sshd.log
lpr.info /var/log/lpd-errs
ftp.info /var/log/xferlog
cron.* /var/log/cron
!-devd
*.=debug /var/log/debug.log
*.emerg *
!ppp
*.* /var/log/ppp.log
!*
НЕ получать любые сообщения от sshd в /var/log/messages