[expert] How knows log ....

[Eduardo P. Román O.]

This appear a lot of time in my log; Sep  2 02:35:32 myhost kernel: Packet log: input DENY eth1 PROTO=17 XX.XX.XX.XX:50255 YY.YY.YY.YY:53 L=72 S=0x00 I=31582 F=0x4000 T=64 (#1)   where XX.XX.XX.XX is an know IP and YY.YY.YY.YY is my hosts IP.   How know what happenend ????