Syslog packet logging

modulename: nf_log_syslog.ko


Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>Syslog packet logging
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This option enable support for packet logging via syslog.
It supports IPv4, IPV6, ARP and common transport protocols such
as TCP and UDP.
This is a simpler but less flexible logging method compared to
If both are enabled the backend to use can be configured at run-time
by means of per-address-family sysctl tunables.

source code: