two rules in my INPUT chains are: -A INPUT -s 63.110.21.51 -m state --state NEW -j LOG --log-prefix "PLAYNC_NEW " --log-level debug -A INPUT -s 63.110.21.51 -m state --state NEW -j DROP My router is keeping the following logs Jan 28 18:32:46 stingray kernel: PLAYNC_NEW IN=eth0 OUT= MAC=00:c0:26:63:47:f5:00:90:1a:40:a2:9f:08:00 SRC=63.110.21.51 DST=x.x.x.x LEN=32 TOS=0x00 PREC=0x20 TTL=1 ID=775 PROTO=UDP SPT=14339 DPT=33438 LEN=12 Jan 28 18:32:46 stingray kernel: PLAYNC_NEW IN=eth0 OUT= MAC=00:c0:26:63:47:f5:00:90:1a:40:a2:9f:08:00 SRC=63.110.21.51 DST=x.x.x.x LEN=32 TOS=0x00 PREC=0x20 TTL=1 ID=1031 PROTO=UDP SPT=14339 DPT=33440 LEN=12 Jan 28 18:32:51 stingray kernel: PLAYNC_NEW IN=eth0 OUT= MAC=00:c0:26:63:47:f5:00:90:1a:40:a2:9f:08:00 SRC=63.110.21.51 DST=x.x.x.x LEN=32 TOS=0x00 PREC=0x20 TTL=2 ID=776 PROTO=UDP SPT=14339 DPT=33438 LEN=12 Jan 28 18:32:51 stingray kernel: PLAYNC_NEW IN=eth0 OUT= MAC=00:c0:26:63:47:f5:00:90:1a:40:a2:9f:08:00 SRC=63.110.21.51 DST=x.x.x.x LEN=32 TOS=0x00 PREC=0x20 TTL=2 ID=1032 PROTO=UDP SPT=14339 DPT=33440 LEN=12 Jan 28 18:32:56 stingray kernel: PLAYNC_NEW IN=eth0 OUT= MAC=00:c0:26:63:47:f5:00:90:1a:40:a2:9f:08:00 SRC=63.110.21.51 DST=x.x.x.x LEN=32 TOS=0x00 PREC=0x20 TTL=2 ID=776 PROTO=UDP SPT=14339 DPT=33438 LEN=12 Jan 28 18:32:56 stingray kernel: PLAYNC_NEW IN=eth0 OUT= MAC=00:c0:26:63:47:f5:00:90:1a:40:a2:9f:08:00 SRC=63.110.21.51 DST=x.x.x.x LEN=32 TOS=0x00 PREC=0x20 TTL=2 ID=1032 PROTO=UDP SPT=14339 DPT=33440 LEN=12 Jan 28 18:33:01 stingray kernel: PLAYNC_NEW IN=eth0 OUT= MAC=00:c0:26:63:47:f5:00:90:1a:40:a2:9f:08:00 SRC=63.110.21.51 DST=x.x.x.x LEN=32 TOS=0x00 PREC=0x20 TTL=3 ID=777 PROTO=UDP SPT=14339 DPT=33438 LEN=12 I have replace my original ip with x.x.x.x What can I say about these packets? Please let me learn more details about this packet. MOhammad
