Juniper firewalls create large syslog files showing all connections between internal/external hosts. import os import re from pprint import pprint import socket # IP Addresses rip=re.compile(“([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/([0-9]+)[- ]”) #date time 2017-05-06 23:59:59\t rdt=re.compile(“^([0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]) ([0-9][0-9]:[0-9][0-9]:[0-9][0-9])\t”) # description ?? JuniperSRX1500Perth RT_FLOW: RT_FLOW_SESSION_CLOSE: session … Continue reading Python script to analyse Juniper firewall logs