SRX配置策略日志
set system syslog file policy_session user info
set system syslog file policy_session match RT_FLOW （关键字）
set system syslog file policy_session archive size 1000k
set system syslog file policy_session archive world-readable
set system syslog file policy_session structured-data

SRX配置ids日志
set system syslog file ids any any
set system syslog file ids match RT_IDS （关键字）
set system syslog file ids archive world-readable
set system syslog file ids structured-data