old_contents: #!/usr/bin/env python
  
  # This Source Code Form is subject to the terms of the Mozilla Public
  # License, v. 2.0. If a copy of the MPL was not distributed with this
  # file, You can obtain one at http://mozilla.org/MPL/2.0/.
  # Copyright (c) 2014 Mozilla Corporation
  #
  # Contributors:
  # Jonathan Claudius jclaudius@mozilla.com
  # Brandon Myers bmyers@mozilla.com
  
  from lib.alerttask import AlertTask
  from query_models import SearchQuery, TermMatch, PhraseMatch, TermsMatch
  
  
  class AlertOpenPortViolation(AlertTask):
      def main(self):
          search_query = SearchQuery(hours=4)
  
          search_query.add_must([
              TermMatch('_type', 'event'), 
              PhraseMatch('tag', 'open_port_policy_violation'),
          ])
  
          self.filtersManual(search_query)
  
          # Search aggregations on field 'sourceipaddress', keep X samples of
          # events at most
          self.searchEventsAggregated('details.destinationipaddress', samplesLimit=100)
          # alert when >= X matching events in an aggregation
          self.walkAggregations(threshold=1)
  
      # Set alert properties
      def onAggregation(self, aggreg):
          # aggreg['count']: number of items in the aggregation, ex: number of failed login attempts
          # aggreg['value']: value of the aggregation field, ex: toto@example.com
          # aggreg['events']: list of events in the aggregation
          category = 'open_port_policy_violation'
          tags = ['open_port_policy_violation']
          severity = 'CRITICAL'
  
          summary = ('{0} unauthorized open port(s) on {1}'.format(aggreg['count'], aggreg['value']))
          # hosts = self.mostCommon(aggreg['allevents'], '_source.details.hostname')
          # for i in hosts[:5]:
          #     summary += ' {0} ({1} hits)'.format(i[0], i[1])
  
          # Create the alert object based on these properties
          return self.createAlertDict(summary, category, tags, aggreg['events'], severity)
  
new_contents: #!/usr/bin/env python
  
  # This Source Code Form is subject to the terms of the Mozilla Public
  # License, v. 2.0. If a copy of the MPL was not distributed with this
  # file, You can obtain one at http://mozilla.org/MPL/2.0/.
  # Copyright (c) 2017 Mozilla Corporation
  #
  # Contributors:
  # Jonathan Claudius jclaudius@mozilla.com
  # Brandon Myers bmyers@mozilla.com
  
  from lib.alerttask import AlertTask
  from query_models import SearchQuery, TermMatch, PhraseMatch, TermsMatch
  
  
  class AlertOpenPortViolation(AlertTask):
      def main(self):
          search_query = SearchQuery(hours=4)
  
          search_query.add_must([
              TermMatch('_type', 'event'), 
              PhraseMatch('tag', 'open_port_policy_violation'),
          ])
  
          self.filtersManual(search_query)
  
          # Search aggregations on field 'sourceipaddress', keep X samples of
          # events at most
          self.searchEventsAggregated('details.destinationipaddress', samplesLimit=100)
          # alert when >= X matching events in an aggregation
          self.walkAggregations(threshold=1)
  
      # Set alert properties
      def onAggregation(self, aggreg):
          # aggreg['count']: number of items in the aggregation, ex: number of failed login attempts
          # aggreg['value']: value of the aggregation field, ex: toto@example.com
          # aggreg['events']: list of events in the aggregation
          category = 'open_port_policy_violation'
          tags = ['open_port_policy_violation']
          severity = 'CRITICAL'
  
          summary = ('{0} unauthorized open port(s) on {1}'.format(aggreg['count'], aggreg['value']))
          # hosts = self.mostCommon(aggreg['allevents'], '_source.details.hostname')
          # for i in hosts[:5]:
          #     summary += ' {0} ({1} hits)'.format(i[0], i[1])
  
          # Create the alert object based on these properties
          return self.createAlertDict(summary, category, tags, aggreg['events'], severity)
  
subject: Fix copyright