From mboxrd@z Thu Jan 1 00:00:00 1970 From: "azeem ahmad" Subject: unknown data Date: Sun, 16 May 2004 11:01:19 +0000 Sender: netfilter-admin@lists.netfilter.org Message-ID: Mime-Version: 1.0 Return-path: Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; format=flowed; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: netfilter@lists.netfilter.org hi all a machine (192.168.0.106) from my LAN is continously sending this data to=20 server (192.168.0.100) as shown below in the output of tcpdump. althought=20 the data isnt too much but i m wondering what this data is for ---------------------------------------------------------------------------= ------------------------------------------------------ 15:38:36.412035 aro who-has 192.168.0.106 tell 192.168.0.100 15:38:36.412269 arp reply 192.168.0.106 is-at 0:8:c7:99:b6:75 15:49:26.543540 192.168.0.106.35847 > 192.168.0.100.1900 udp 132 [ttl 1] 15:49:26.543600 192.168.0.100 > 192.168.0.106: icmp: 192.168.0.100 udp port= =20 1900 unreachable [tos 0xc0] 15:49:26.543647 192.168.0.106.35847 > 192.168.0.100.1900 udp 133 [ttl 1] 15:49:26.543671 192.168.0.100 > 192.168.0.106: icmp: 192.168.0.100 udp port= =20 1900 unreachable [tos 0xc0] ---------------------------------------------------------------------------= ------------------------------------------------------ Regards Azeem _________________________________________________________________ Is your PC infected? Get a FREE online computer virus scan from McAfee=AE=20 Security. http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3D3963