Could you please configure the following traceoption and send the log file.
You can create the packet filter as followed
#set security flow traceoption file debug
#set security flow traceoption flag basic-datapath
#set security flow traceoption packet-filter filter1 source-prefix <ip-address> destination-prefix <ip-address> destination-port 80
#set security flow traceoption packet-filter filter2 source-prefix <ip-address> destination-prefix <ip-address> destination-port 80
#commit
the second one is for the return traffic.
show log debug
删除生成的日志文件
全局模式下 file delete /var/log/debug
或者 start shell
进入linux模式 cd /var/log/ rm –rf xxx.log
request system license update
juniper srx 配置文件存放目录
/config/juniper.config.n(n=0-3)
/var/db/config/juniper.config.n(n=4-49)