Enable syslog:
config log syslogd setting<cr>
set server (ip address)<cr>
set status enable<cr>
end<cr>
Enable traffic:
config log syslogd filter<cr>
set severity information<cr>
set traffic enable<cr>
set web enable<cr>
set email enable<cr>
set attack enable<cr>
set im enable<cr>set virus enable<cr>
end <cr>