From owner-freebsd-net@freebsd.org Wed Oct 16 01:11:43 2019 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 9948715885C for ; Wed, 16 Oct 2019 01:11:43 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: from mail-oi1-x22d.google.com (mail-oi1-x22d.google.com [IPv6:2607:f8b0:4864:20::22d]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46tDlf69RCz43xW for ; Wed, 16 Oct 2019 01:11:42 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: by mail-oi1-x22d.google.com with SMTP id k9so18585897oib.7 for ; Tue, 15 Oct 2019 18:11:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=qaF+CzOoaiM7Q/VLjFAtbpoegDMiEOVX0MRAWZzBzR8=; b=aquY+L5Lwmu7XCExj1ds0G0npjaH1nXaFB71ljPEy9x4gREf8AAJXZOSkFh+pnn4bv 3RkV1oY7jjBL2MSXgXAJvSJNYrLzk3I7Py7gPoCdExk/gVh0hryUd9foS2WLQ3k3cAbP eTcyObTsVD4zKM2pHhup4hJ1tC1JXb/PhKNjMHL5urxxt4Dvr9oYCUNUz7uLCwsgnuJe RUbP7+1i9rvH5zCohRHZGikkf6KUytOHde9w5MoxE0708EGkUIZMIfXFMvdClQXeHWZ6 of4IyRAKCT8dNKbuMSc0NIHPIWufP2kRbPi8NcpovHj1fE15mY9Vg6duu5j10zSxfh8O t1ww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=qaF+CzOoaiM7Q/VLjFAtbpoegDMiEOVX0MRAWZzBzR8=; b=ADeN5eD8+ldEcHcen7Cj5t8wDnwi1QqodGjooUI3MQN/skGglobrMqXAXx7qW+nJ58 7TFbCFPgePaCGoTvjRmgACjiLb3BKivnz6g/2byoFJ59q80XX03KlYOoszVLyEPfIBUB BC6MSURW32clNjwdszVp2WGM6ddWfC3zWMUUzmticUgP5ChE5WUiXgUKmpVBBpRekP6s C2jhS+ZpDI2ohgJVilmVHBKkNKeX78YbQ38aNB7FBfGaHj9owS3gBZ/kbTwNLNc/HrWX hjz9gXU3icl9jS9BUkoF11xjnLYTmPZ3j4VydpUt4BR/mLYFhex8MrecjliIAPR+22JM V/mQ== X-Gm-Message-State: APjAAAW8gnfRSJL18nFJgjXH+dCzOy5q4NDjNt2gMPQj27acEwkROopp hrQ65vcjvECH4pd3HtmQf5RuotWcmOdQfqAxUF0= X-Google-Smtp-Source: APXvYqxg62bgo+JqAMr8GGIU6BWpsmWLIQ3A/RQFT+3IFNn4STossfxJNF2AJacG6JNSJIeoA+iq+mmsTPWUGRmRtOE= X-Received: by 2002:a05:6808:687:: with SMTP id k7mr1199308oig.133.1571188301398; Tue, 15 Oct 2019 18:11:41 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Kevin Oberman Date: Tue, 15 Oct 2019 18:11:21 -0700 Message-ID: Subject: Re: logs/traces To: vm finance Cc: freebsd-net X-Rspamd-Queue-Id: 46tDlf69RCz43xW X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=aquY+L5L; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of kob6558@gmail.com designates 2607:f8b0:4864:20::22d as permitted sender) smtp.mailfrom=kob6558@gmail.com X-Spamd-Result: default: False [-1.70 / 15.00]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; URI_COUNT_ODD(1.00)[3]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; FORGED_SENDER(0.30)[rkoberman@gmail.com,kob6558@gmail.com]; FREEMAIL_TO(0.00)[gmail.com]; IP_SCORE(0.00)[ip: (-7.79), ipnet: 2607:f8b0::/32(-2.48), asn: 15169(-2.10), country: US(-0.05)]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[rkoberman@gmail.com,kob6558@gmail.com]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TAGGED_RCPT(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; IP_SCORE_FREEMAIL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[d.2.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Oct 2019 01:11:43 -0000 Use tcpdump(1) and/or net/wireshark(5). See man tcpdump and pcap-filter for usage details. wireshark can analyze files collected by tcpdump and dissect the packets. It can also do packet capture, itself. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683 On Tue, Oct 15, 2019 at 3:17 AM vm finance wrote: > Hi, > > Could someone please guide me on how to turn on tracing/log? > > I would like to follow/track how packets go in/out of TCP code block... > Please let me know what knobs are available to achieve this. > > Thanks for any pointers. > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >