https://syslog-ng.github.io/admin-guide/070_Destinations/320_tcp_tcp6_udp_udp6/README
tcp, tcp6, udp, udp6: Sending messages to a remote log server using the legacy BSD-syslog protocol...
May 14, 2026 - The tcp(), tcp6(), udp(), and udp6() drivers are obsolete. Use the network() source and the network() destination instead. For details, see network: Collecting...