what is this rule doing

RouterOS Beginner Basics
1

please briefe me what is this rule performing… ?

\

  1.              chain=output action=mark-packet new-packet-mark=cache-hits

passthrough=no dscp=4

  1.              chain=prerouting action=mark-connection new-connection-mark=hi_prio_conn

passthrough=yes connection-state=new protocol=tcp port=25

  1.              chain=prerouting action=mark-packet new-packet-mark=hi_prio_conn_pkts

passthrough=yes connection-mark=hi_prio_conn

  1.              chain=input action=accept protocol=tcp dst-port=8080

  2.              chain=srcnat action=masquerade src-address=192.168.0.0/24

Looking for your valuable comments…

2

What part of the router are these from? Some look like that are from /ip firewall mangle and other look like they are from /ip firewall nat.

3

yes you are right mr crown