Joshua Rich joshuar

## logstash_filtersr _performance.md

      
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                colinsurprenant
                / logstash_filtersr _performance.md
            
            
              Last active
              April 22, 2021 01:27
            
              
                measuring logstash filters performance
              
          
    Measuring logstash filters performance


given a data file sample named data.log
modify your config to use the stdin input so that you can pipe you sample log file to logstash

input {
  stdin {
    codec => line
  }
}


## golang-tls.md

      
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                denji
                / golang-tls.md
            
            
              Last active
              July 1, 2024 05:41
                — forked from spikebike/client.go
            
              
                Simple Golang HTTPS/TLS Examples
              
          
    Moved to git repository: https://github.com/denji/golang-tls

Generate private key (.key)

# Key considerations for algorithm "RSA" ≥ 2048-bit
openssl genrsa -out server.key 2048

# Key considerations for algorithm "ECDSA" ≥ secp384r1
# List ECDSA the supported curves (openssl ecparam -list_curves)

  
## postfix
# Postfix stuff based on https://gist.github.com/jbrownsc/4694374:

QUEUEID (?:[A-F0-9]+|NOQUEUE)
EMAILADDRESSPART [a-zA-Z0-9_.+-=:]+
EMAILADDRESS %{EMAILADDRESSPART:local}@%{EMAILADDRESSPART:remote}
RELAY (?:%{HOSTNAME:relayhost}(?:\[%{IP:relayip}\](?::[0-9]+(.[0-9]+)?)?)?)
POSREAL [0-9]+(.[0-9]+)?
DELAYS (%{POSREAL}[/]*)+
DSN %{NONNEGINT}.%{NONNEGINT}.%{NONNEGINT}
STATUS sent|deferred|bounced|expired
	# Postfix stuff based on https://gist.github.com/jbrownsc/4694374:

	QUEUEID (?:[A-F0-9]+\|NOQUEUE)
	EMAILADDRESSPART [a-zA-Z0-9_.+-=:]+
	EMAILADDRESS %{EMAILADDRESSPART:local}@%{EMAILADDRESSPART:remote}
	RELAY (?:%{HOSTNAME:relayhost}(?:\[%{IP:relayip}\](?::[0-9]+(.[0-9]+)?)?)?)
	POSREAL [0-9]+(.[0-9]+)?
	DELAYS (%{POSREAL}[/]*)+
	DSN %{NONNEGINT}.%{NONNEGINT}.%{NONNEGINT}
	STATUS sent\|deferred\|bounced\|expired