i attempt to seend bro logs to logstach,i am using filebeat for this when i open tab discover i see only the logs 28-04-2018 and 29-04-2018 but i cant find the current log and the 30th
i want to test only connection log
for the configuration : filebeat.yml
filebeat.prospectors:
- input_type: log
paths:
- "/usr/local/bro/logs/current/conn.log"
fields:
type: "bro-conn"
fields_under_root: true
#----------------------------- Logstash output --------------------------------
output.logstash:
# The Logstash hosts
hosts: ["logstash:5044"]
for the bro-conn-log.conf
input {
beats {
port => 5044
columns => "localhost"
}
}
filter {
#Let's get rid of those header lines; they begin with a hash
if [message] =~ /^#/ {
drop { }
}
#Now, using the csv filter, we can define the Bro log fields
if [type] == "bro-conn_log" {
csv {
columns => ["ts","uid","id.orig_h","id.orig_p","id.resp_h","id.resp_p","proto","service","duration","orig_bytes","resp_bytes","conn_state","local_orig","missed_bytes","history","orig_pkts","orig_ip_bytes","resp_pkts","resp_ip_bytes","tunnel_parents"]
#If you use a custom delimiter, change the following value in between the quotes to your delimiter. Otherwise, insert a literal <tab> in between the two quotes on your logstash system, use a text editor like nano that doesn't convert tabs to spaces.
separator => " "
}
#Let's convert our timestamp into the 'ts' field, so we can use Kibana features natively
date {
match => [ "ts", "UNIX" ]
}
# add geoip attributes
geoip {
source => "id.orig_h"
target => "orig_geoip"
}
geoip {
source => "id.resp_h"
target => "resp_geoip"
}
#The following makes use of the translate filter (logstash contrib) to convert conn_state into human text. Saves having to look up values for packet introspection
translate {
field => "conn_state"
destination => "conn_state_full"
dictionary => [
"S0", "Connection attempt seen, no reply",
"S1", "Connection established, not terminated",
"S2", "Connection established and close attempt by originator seen (but no reply from responder)",
"S3", "Connection established and close attempt by responder seen (but no reply from originator)",
"SF", "Normal SYN/FIN completion",
"REJ", "Connection attempt rejected",
"RSTO", "Connection established, originator aborted (sent a RST)",
"RSTR", "Established, responder aborted",
"RSTOS0", "Originator sent a SYN followed by a RST, we never saw a SYN-ACK from the responder",
"RSTRH", "Responder sent a SYN ACK followed by a RST, we never saw a SYN from the (purported) originator",
"SH", "Originator sent a SYN followed by a FIN, we never saw a SYN ACK from the responder (hence the connection was 'half' open)",
"SHR", "Responder sent a SYN ACK followed by a FIN, we never saw a SYN from the originator",
"OTH", "No SYN seen, just midstream traffic (a 'partial connection' that was not later closed)"
]
}
mutate {
convert => [ "id.orig_p", "integer" ]
convert => [ "id.resp_p", "integer" ]
convert => [ "orig_bytes", "integer" ]
convert => [ "duration", "float" ]
convert => [ "resp_bytes", "integer" ]
convert => [ "missed_bytes", "integer" ]
convert => [ "orig_pkts", "integer" ]
convert => [ "orig_ip_bytes", "integer" ]
convert => [ "resp_pkts", "integer" ]
convert => [ "resp_ip_bytes", "integer" ]
rename => [ "id.orig_h", "id_orig_host" ]
rename => [ "id.orig_p", "id_orig_port" ]
rename => [ "id.resp_h", "id_resp_host" ]
rename => [ "id.resp_p", "id_resp_port" ]
}
}
}
output {
# stdout { codec => rubydebug }
elasticsearch {
hosts => ["localhost:9200"]
}
}