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aws nfw firewall logs athena setup
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https://docs.aws.amazon.com/network-firewall/latest/developerguide/firewall-logging.html | |
BUT add "alert" data which is super important when trying to troubleshoot which rule is blocking | |
CREATE EXTERNAL TABLE `nfw_logs`( | |
`firewall_name` string COMMENT 'from deserializer', | |
`availability_zone` string COMMENT 'from deserializer', | |
`event_timestamp` bigint COMMENT 'from deserializer', | |
`event` struct< | |
timestamp:string, | |
flow_id:bigint, | |
event_type:string, | |
src_ip:string, | |
src_port:int, | |
dest_ip:string, | |
dest_port:int, | |
proto:string, | |
app_proto:string, | |
netflow:struct< | |
pkts:int, | |
bytes:bigint, | |
start:string, | |
finish:string, | |
age:int, | |
min_ttl:int, | |
max_ttl:int | |
>, | |
alert:struct< | |
severity:int, | |
signature_id:int, | |
rev:int, | |
signature:string, | |
action:string, | |
category:string | |
> | |
> COMMENT 'from deserializer') | |
ROW FORMAT SERDE | |
'org.openx.data.jsonserde.JsonSerDe' | |
STORED AS INPUTFORMAT | |
'org.apache.hadoop.mapred.TextInputFormat' | |
OUTPUTFORMAT | |
'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' | |
LOCATION | |
's3://xxxxxxxxxxxxxxxx/firewall/AWSLogs' | |
SELECT event.src_ip, count(1) as num | |
FROM "aws-accelerator-subscription-database"."nfw_logs" | |
group by 1 | |
having count(1) > 100 | |
order by count(1) desc | |
limit 100 |
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