netbios sending unnecessarly request to gateway

[niraj_vara]

Hi

I have windows xp in netbios-ssn sending a unnecessary request to the gateway. Please find the gateway system's log ...

Please guide what I required to stop the same

Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.86.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3444 DF PROTO=TCP SPT=139 DPT=3160 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.17.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3445 DF PROTO=TCP SPT=139 DPT=3161 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.86.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3446 DF PROTO=TCP SPT=139 DPT=3173 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.17.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3447 DF PROTO=TCP SPT=139 DPT=3174 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.86.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3448 DF PROTO=TCP SPT=139 DPT=3193 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.17.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3449 DF PROTO=TCP SPT=139 DPT=3194 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.86.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3450 DF PROTO=TCP SPT=139 DPT=3213 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.17.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3451 DF PROTO=TCP SPT=139 DPT=3214 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.86.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3452 DF PROTO=TCP SPT=139 DPT=3217 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.17.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3453 DF PROTO=TCP SPT=139 DPT=3218 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.86.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3454 DF PROTO=TCP SPT=139 DPT=3165 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.17.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3455 DF PROTO=TCP SPT=139 DPT=3166 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.86.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3456 DF PROTO=TCP SPT=139 DPT=3169 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.17.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3457 DF PROTO=TCP SPT=139 DPT=3170 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.86.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3458 DF PROTO=TCP SPT=139 DPT=3197 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.17.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3459 DF PROTO=TCP SPT=139 DPT=3198 WINDOW=8192 RES=0x00 ACK SYN URGP=0
Jun 24 11:57:34 ebizchem kernel: fp=bad_packets:1 a=DROP IN=eth0 OUT=eth1 SRC=192.168.1.54 DST=192.168.86.1 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=3460 DF PROTO=TCP SPT=139 DPT=3209 WINDOW=8192 RES=0x00 ACK SYN URGP=0