Date: Tue, 13 Mar 2001 19:48:30 -0300 From: Alexandre Florio <alexandre@cipher.com.br> To: Johan Petersson <kjep@yahoo.com> Cc: freebsd-questions@freebsd.org Subject: Re: Strange network traffic Message-ID: <20010313194830.6a313535.alexandre@cipher.com.br> In-Reply-To: <20010313222727.20757.qmail@web119.yahoomail.com> References: <20010313222727.20757.qmail@web119.yahoomail.com>
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Are you running tcpdump locallly on hawk or are you running on a ssh connection? If you are on a ssh connection, this traffic can be assigned to the output of tcpdump going to your local machine... On Tue, 13 Mar 2001 14:27:27 -0800 (PST) Johan Petersson <kjep@yahoo.com> wrote: > Hi everyone, > > I'm seeing a lot of network traffic on my LAN even when the computers > are idle. To me it looks like some sort of keepalive or pinging, but > with several packages per second. Here is the output from tcpdump: > > root@hawk:/home/johan$ tcpdump -i ep0 -N > tcpdump: listening on ep0 > 11:12:15.754180 hawk.ssh > eagle.3013: . ack 3581473918 win 17520 > 11:12:15.754453 eagle.3013 > hawk.ssh: . ack 1 win 16212 (DF) > 11:12:15.924171 hawk.netbios-ssn > eagle.3010: . ack 3543040564 win 17520 > 11:12:15.924444 eagle.3010 > hawk.netbios-ssn: . ack 1 win 16286 (DF) > 11:12:16.234177 hawk.ssh > eagle.3013: . ack 1 win 17520 > 11:12:16.234450 eagle.3013 > hawk.ssh: . ack 1 win 16212 (DF) > 11:12:16.404180 hawk.netbios-ssn > eagle.3010: . ack 1 win 17520 > 11:12:16.404462 eagle.3010 > hawk.netbios-ssn: . ack 1 win 16286 (DF) > 11:12:16.714184 hawk.ssh > eagle.3013: . ack 1 win 17520 > 11:12:16.714458 eagle.3013 > hawk.ssh: . ack 1 win 16212 (DF) > 11:12:16.884176 hawk.netbios-ssn > eagle.3010: . ack 1 win 17520 > 11:12:16.884468 eagle.3010 > hawk.netbios-ssn: . ack 1 win 16286 (DF) > 11:12:17.194184 hawk.ssh > eagle.3013: . ack 1 win 17520 > 11:12:17.194466 eagle.3013 > hawk.ssh: . ack 1 win 16212 (DF) > 11:12:17.364323 hawk.netbios-ssn > eagle.3010: . ack 1 win 17520 > 11:12:17.364602 eagle.3010 > hawk.netbios-ssn: . ack 1 win 16286 (DF) -- Alexandre Florio To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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