source s_nginx_20 { pipe("/srv/logs/access.log" program_override("nginx-access-log")); };
source s_nginx_21 { pipe("/srv/logs/error.log" program_override("nginx-error-log")); };

filter f_nginx_20 { match("nginx-access-log" value("PROGRAM")); };
filter f_nginx_21 { match("nginx-error-log" value("PROGRAM")); };

destination d_remote { tcp("central.syslog", port(514)); };

log { source(s_nginx_20); filter(f_nginx_20); destination(d_messages); };
log { source(s_nginx_21); filter(f_nginx_21); destination(d_messages); };