From owner-freebsd-questions@FreeBSD.ORG Thu Apr 30 23:36:35 2015 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2CEAD979 for ; Thu, 30 Apr 2015 23:36:35 +0000 (UTC) Received: from fly.hiwaay.net (fly.hiwaay.net [216.180.54.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B9A7C1D06 for ; Thu, 30 Apr 2015 23:36:34 +0000 (UTC) Received: from kabini1.local (rbn1-216-180-76-245.adsl.hiwaay.net [216.180.76.245]) (authenticated bits=0) by fly.hiwaay.net (8.13.8/8.13.8/fly) with ESMTP id t3UNaVmT004921 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Thu, 30 Apr 2015 18:36:31 -0500 Message-ID: <5542BC7F.7050602@hiwaay.net> Date: Thu, 30 Apr 2015 18:42:46 -0453 From: "William A. Mahaffey III" User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: freebsd-questions@freebsd.org Subject: Re: minor syslog issue References: <55422366.8060000@hiwaay.net> <554229CE.30009@infracaninophile.co.uk> <55422E43.8090206@hiwaay.net> <5542348D.8000109@infracaninophile.co.uk> In-Reply-To: <5542348D.8000109@infracaninophile.co.uk> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Apr 2015 23:36:35 -0000 On 04/30/15 09:02, Matthew Seaman wrote: > On 04/30/15 14:28, William A. Mahaffey III wrote: >> 08:23:28.496828 IP RPiB+.59735 > kabini1.local.syslog: SYSLOG >> syslog.error, length: 59 >> 08:23:28.497229 IP RPiB+.59735 > kabini1.local.syslog: SYSLOG >> syslog.error, length: 59 > This is the only relevant bit out of your tcpdump output -- it usually > helps if you filter out as much of the irrelevant stuff that you can[*]. > > Anyhow, as you can see, your RPiB+ is logging *from* an arbitrary > high-numbered port. This time it happens to be using 59735 but that > would probably change with each restart of syslogd. Basically use the > '-a 192.168.0.0/16:*' form in this case. > > Cheers, > > Matthew > > [*] ie. 'tcpdump port syslog' should work as the packets are being sent > to the syslog port on your server. > An update here, I kicked off the above command on both the RPi & kabini1. It took a while, but the RPi did its daily 'syslogd restart': Apr 27 22:00:01 rpi syslogd[603]: restart Apr 28 08:00:00 rpi syslogd[603]: restart Apr 28 22:00:00 rpi syslogd[603]: restart Apr 29 14:54:44 rpi syslogd[603]: Exiting on signal 15 Apr 29 10:01:01 rpi syslogd[25366]: restart Apr 29 17:06:15 rpi syslogd[25366]: restart Apr 30 07:28:32 rpi syslogd[25366]: Exiting on signal 15 Apr 30 07:28:34 rpi syslogd[27124]: restart Apr 30 08:20:34 rpi syslogd[27124]: Exiting on signal 15 Apr 30 08:20:34 rpi syslogd[27124]: Exiting on signal 15 Apr 30 08:20:37 rpi syslogd[2779]: restart Apr 30 08:23:43 rpi syslogd[2779]: Exiting on signal 15 Apr 30 08:23:43 rpi syslogd[2779]: Exiting on signal 15 Apr 30 08:23:45 rpi syslogd[14885]: restart Apr 30 08:41:03 rpi syslogd[14885]: Exiting on signal 15 Apr 30 08:41:03 rpi syslogd[14885]: Exiting on signal 15 Apr 30 08:41:05 rpi syslogd[27342]: restart Apr 30 09:25:16 rpi syslogd[27342]: Exiting on signal 15 Apr 30 09:25:16 rpi syslogd[27342]: Exiting on signal 15 Apr 30 09:25:18 rpi syslogd[11087]: restart Apr 30 09:26:03 rpi timed[6547]: This machine is master Apr 30 17:06:15 rpi syslogd[11087]: restart Thu Apr 30 18:32:45 MCDT 2015 rpi # & I got packets both from the RPi & to kabini1, but nothing in kabini1's logfile: rpi # tcpdump port syslog tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on usmsc0, link-type EN10MB (Ethernet), capture size 65535 bytes 17:06:00.980239 IP 192.168.0.1.59623 > 192.168.0.27.syslog: SYSLOG syslog.info, length: 47 [root@kabini1, /etc, 9:26:24am] 503 % tcpdump port syslog tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on re0, link-type EN10MB (Ethernet), capture size 65535 bytes 17:07:00.976242 IP RPiB+.59623 > kabini1.local.syslog: SYSLOG syslog.info, length: 47 [root@kabini1, /etc, 6:31:31pm] 364 % tail -15 /var/log/messages ; hwclock -r ; date Apr 28 09:30:12 kabini1 kernel: Limiting closed port RST response from 276 to 200 packets/sec Apr 28 09:30:13 kabini1 kernel: Limiting closed port RST response from 239 to 200 packets/sec Apr 28 09:30:14 kabini1 kernel: Limiting closed port RST response from 280 to 200 packets/sec Apr 28 09:30:16 kabini1 kernel: Limiting closed port RST response from 319 to 200 packets/sec Apr 30 08:13:49 kabini1 syslogd: exiting on signal 15 Apr 30 08:13:49 kabini1 syslogd: kernel boot file is /boot/kernel/kernel Apr 30 08:16:36 kabini1 kernel: re0: promiscuous mode enabled Apr 30 08:17:53 kabini1 kernel: re0: promiscuous mode disabled Apr 30 08:33:43 kabini1 kernel: re0: promiscuous mode enabled Apr 30 08:41:19 kabini1 kernel: re0: promiscuous mode disabled Apr 30 08:52:53 kabini1 kernel: re0: promiscuous mode enabled Apr 30 09:07:57 kabini1 kernel: re0: promiscuous mode disabled Apr 30 09:18:45 kabini1 syslogd: exiting on signal 15 Apr 30 09:18:45 kabini1 syslogd: kernel boot file is /boot/kernel/kernel Apr 30 09:20:47 kabini1 kernel: re0: promiscuous mode enabled hwclock: Command not found. Thu Apr 30 18:39:25 MCDT 2015 [root@kabini1, /etc, 6:39:25pm] 365 % syslogd on kabini1 should be accepting traffic from all ports: [root@kabini1, /etc, 6:40:19pm] 366 % ps -ax | grep syslog 783 ?? Is 0:39.07 /usr/sbin/amd -p -a /.amd_mnt -l syslog /host /etc/amd.map /net /etc/amd.map 73506 ?? Is 0:00.10 /usr/sbin/syslogd -a 192.168.0.0/16:* -C -T 8622 4 S+ 0:00.00 grep syslog 73648 7 S+ 0:00.93 tcpdump port i.e. looks like the traffic is there, but syslogd isn't recording it (?) .... Any clues appreciated. -- William A. Mahaffey III ---------------------------------------------------------------------- "The M1 Garand is without doubt the finest implement of war ever devised by man." -- Gen. George S. Patton Jr.