Date: Mon, 2 Oct 2017 10:06:26 -0300 From: Mario Lobo <lobo@bsd.com.br> To: freebsd-questions@freebsd.org Subject: Re: Weird turnoff Message-ID: <20171002100626.206b3bdf@Papi.lobos> In-Reply-To: <20171002002506.GA42212@doctor.nl2k.ab.ca> References: <20171001232531.GA18260@doctor.nl2k.ab.ca> <20171002021140.931f17de.freebsd@edvax.de> <20171002002506.GA42212@doctor.nl2k.ab.ca>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, 1 Oct 2017 18:25:06 -0600 The Doctor <doctor@doctor.nl2k.ab.ca> wrote: > On Mon, Oct 02, 2017 at 02:11:40AM +0200, Polytropon wrote: > > On Sun, 1 Oct 2017 17:25:31 -0600, The Doctor wrote: > > > Could be an attack. > > > > > > All right. > > > > > > As of this morning (3 p.m. UTC) my seconday FreeBSD 11.1 server > > > has been going intreface down then up and then unable to route. > > > > > > Rebooted this system 2 times today. > > > > > > > > > What should I bee looking for? > > > > Primarily the system's log files in /var/log: messages, auth.log, > > security. Also check the output of the periodic scripts (mailed > > to root or another user), do they contain hints to something that > > looks suspicious (SUID changes, system file modifications, etc.)? > > > > exactly what I am looking for > > I am going to have to do a transcribe as I am opreating from the > potential victim and ssh'ing to this terminal > > or ftp the information over > > > Oct 1 16:56:46 gallifrey kernel: igb0: link state changed to DOWN > Oct 1 17:00:10 gallifrey kernel: igb0: link state changed to UP > Oct 1 17:17:32 gallifrey kernel: igb0: <Intel(R) PRO/1000 Network > Connection, Version - 2.5.3-k> port 0x6020-0x603f mem > 0xc7120000-0xc713ffff,0xc7144000-0xc7147fff irq 26 at device 0.0 > numa-domain 0 on pci3 Oct 1 17:17:32 gallifrey kernel: igb0: Using > MSIX interrupts with 9 vectors Oct 1 17:17:32 gallifrey kernel: > igb0: Ethernet address: 0c:c4:7a:ac:51:20 Oct 1 17:17:32 gallifrey > kernel: igb0: Bound queue 0 to cpu 0 Oct 1 17:17:32 gallifrey > kernel: igb0: Bound queue 1 to cpu 1 Oct 1 17:17:32 gallifrey > kernel: igb0: Bound queue 2 to cpu 2 Oct 1 17:17:32 gallifrey > kernel: igb0: Bound queue 3 to cpu 3 Oct 1 17:17:32 gallifrey > kernel: igb0: Bound queue 4 to cpu 4 Oct 1 17:17:32 gallifrey > kernel: igb0: Bound queue 5 to cpu 5 Oct 1 17:17:32 gallifrey > kernel: igb0: Bound queue 6 to cpu 6 Oct 1 17:17:32 gallifrey > kernel: igb0: Bound queue 7 to cpu 7 Oct 1 17:17:32 gallifrey > kernel: igb0: netmap queues/slots: TX 8/1024, RX 8/1024 Oct 1 > 17:17:32 gallifrey kernel: igb1: <Intel(R) PRO/1000 Network > Connection, Version - 2.5.3-k> port 0x6000-0x601f mem > 0xc7100000-0xc711ffff,0xc7140000-0xc7143fff irq 28 at device 0.1 > numa-domain 0 on pci3 Oct 1 17:17:32 gallifrey kernel: igb1: Using > MSIX interrupts with 9 vectors Oct 1 17:17:32 gallifrey kernel: > igb1: Ethernet address: 0c:c4:7a:ac:51:21 Oct 1 17:17:32 gallifrey > kernel: igb1: Bound queue 0 to cpu 8 Oct 1 17:17:32 gallifrey > kernel: igb1: Bound queue 1 to cpu 9 Oct 1 17:17:32 gallifrey > kernel: igb1: Bound queue 2 to cpu 10 Oct 1 17:17:32 gallifrey > kernel: igb1: Bound queue 3 to cpu 11 Oct 1 17:17:32 gallifrey > kernel: igb1: Bound queue 4 to cpu 0 Oct 1 17:17:32 gallifrey > kernel: igb1: Bound queue 5 to cpu 1 Oct 1 17:17:32 gallifrey > kernel: igb1: Bound queue 6 to cpu 2 Oct 1 17:17:32 gallifrey > kernel: igb1: Bound queue 7 to cpu 3 Oct 1 17:17:32 gallifrey > kernel: igb1: netmap queues/slots: TX 8/1024, RX 8/1024 Oct 1 > 17:17:32 gallifrey kernel: igb0: link state changed to UP Oct 1 > 17:17:32 gallifrey kernel: igb1: link state changed to UP Oct 1 > 17:17:46 gallifrey kernel: igb1: link state changed to DOWN Oct 1 > 17:17:53 gallifrey kernel: igb1: link state changed to UP Oct 1 > 17:19:06 gallifrey kernel: igb0: promiscuous mode enabled Oct 1 > 17:40:09 gallifrey kernel: igb0: <Intel(R) PRO/1000 Network > Connection, Version - 2.5.3-k> port 0x6020-0x603f mem > 0xc7120000-0xc713ffff,0xc7144000-0xc7147fff irq 26 at device 0.0 > numa-domain 0 on pci3 Oct 1 17:40:09 gallifrey kernel: igb0: Using > MSIX interrupts with 9 vectors Oct 1 17:40:09 gallifrey kernel: > igb0: Ethernet address: 0c:c4:7a:ac:51:20 Oct 1 17:40:09 gallifrey > kernel: igb0: Bound queue 0 to cpu 0 Oct 1 17:40:09 gallifrey > kernel: igb0: Bound queue 1 to cpu 1 Oct 1 17:40:09 gallifrey > kernel: igb0: Bound queue 2 to cpu 2 Oct 1 17:40:09 gallifrey > kernel: igb0: Bound queue 3 to cpu 3 Oct 1 17:40:09 gallifrey > kernel: igb0: Bound queue 4 to cpu 4 Oct 1 17:40:09 gallifrey > kernel: igb0: Bound queue 5 to cpu 5 Oct 1 17:40:09 gallifrey > kernel: igb0: Bound queue 6 to cpu 6 Oct 1 17:40:09 gallifrey > kernel: igb0: Bound queue 7 to cpu 7 Oct 1 17:40:09 gallifrey > kernel: igb0: netmap queues/slots: TX 8/1024, RX 8/1024 Oct 1 > 17:40:09 gallifrey kernel: igb1: <Intel(R) PRO/1000 Network > Connection, Version - 2.5.3-k> port 0x6000-0x601f mem > 0xc7100000-0xc711ffff,0xc7140000-0xc7143fff irq 28 at device 0.1 > numa-domain 0 on pci3 Oct 1 17:40:09 gallifrey kernel: igb1: Using > MSIX interrupts with 9 vectors Oct 1 17:40:09 gallifrey kernel: > igb1: Ethernet address: 0c:c4:7a:ac:51:21 Oct 1 17:40:09 gallifrey > kernel: igb1: Bound queue 0 to cpu 8 Oct 1 17:40:09 gallifrey > kernel: igb1: Bound queue 1 to cpu 9 Oct 1 17:40:09 gallifrey > kernel: igb1: Bound queue 2 to cpu 10 Oct 1 17:40:09 gallifrey > kernel: igb1: Bound queue 3 to cpu 11 Oct 1 17:40:09 gallifrey > kernel: igb1: Bound queue 4 to cpu 0 Oct 1 17:40:09 gallifrey > kernel: igb1: Bound queue 5 to cpu 1 Oct 1 17:40:09 gallifrey > kernel: igb1: Bound queue 6 to cpu 2 Oct 1 17:40:09 gallifrey > kernel: igb1: Bound queue 7 to cpu 3 Oct 1 17:40:09 gallifrey > kernel: igb1: netmap queues/slots: TX 8/1024, RX 8/1024 Oct 1 > 17:40:09 gallifrey kernel: igb0: link state changed to UP Oct 1 > 17:40:09 gallifrey kernel: igb1: link state changed to UP Oct 1 > 17:41:25 gallifrey kernel: igb0: promiscuous mode enabled Oct 1 > 09:02:49 gallifrey kernel: igb0: link state changed to DOWN Oct 1 > 09:06:13 gallifrey kernel: igb0: link state changed to UP Oct 1 > 12:04:48 gallifrey kernel: igb0: <Intel(R) PRO/1000 Network > Connection, Version - 2.5.3-k> port 0x6020-0x603f mem > 0xc7120000-0xc713ffff,0xc7144000-0xc7147fff irq 26 at device 0.0 > numa-domain 0 on pci3 Oct 1 12:04:48 gallifrey kernel: igb0: Using > MSIX interrupts with 9 vectors Oct 1 12:04:48 gallifrey kernel: > igb0: Ethernet address: 0c:c4:7a:ac:51:20 Oct 1 12:04:48 gallifrey > kernel: igb0: Bound queue 0 to cpu 0 Oct 1 12:04:48 gallifrey > kernel: igb0: Bound queue 1 to cpu 1 Oct 1 12:04:48 gallifrey > kernel: igb0: Bound queue 2 to cpu 2 Oct 1 12:04:48 gallifrey > kernel: igb0: Bound queue 3 to cpu 3 Oct 1 12:04:48 gallifrey > kernel: igb0: Bound queue 4 to cpu 4 Oct 1 12:04:48 gallifrey > kernel: igb0: Bound queue 5 to cpu 5 Oct 1 12:04:48 gallifrey > kernel: igb0: Bound queue 6 to cpu 6 Oct 1 12:04:48 gallifrey > kernel: igb0: Bound queue 7 to cpu 7 Oct 1 12:04:48 gallifrey > kernel: igb0: netmap queues/slots: TX 8/1024, RX 8/1024 Oct 1 > 12:04:48 gallifrey kernel: igb1: <Intel(R) PRO/1000 Network > Connection, Version - 2.5.3-k> port 0x6000-0x601f mem > 0xc7100000-0xc711ffff,0xc7140000-0xc7143fff irq 28 at device 0.1 > numa-domain 0 on pci3 Oct 1 12:04:48 gallifrey kernel: igb1: Using > MSIX interrupts with 9 vectors Oct 1 12:04:48 gallifrey kernel: > igb1: Ethernet address: 0c:c4:7a:ac:51:21 Oct 1 12:04:48 gallifrey > kernel: igb1: Bound queue 0 to cpu 8 Oct 1 12:04:48 gallifrey > kernel: igb1: Bound queue 1 to cpu 9 Oct 1 12:04:48 gallifrey > kernel: igb1: Bound queue 2 to cpu 10 Oct 1 12:04:48 gallifrey > kernel: igb1: Bound queue 3 to cpu 11 Oct 1 12:04:48 gallifrey > kernel: igb1: Bound queue 4 to cpu 0 Oct 1 12:04:48 gallifrey > kernel: igb1: Bound queue 5 to cpu 1 Oct 1 12:04:48 gallifrey > kernel: igb1: Bound queue 6 to cpu 2 Oct 1 12:04:48 gallifrey > kernel: igb1: Bound queue 7 to cpu 3 Oct 1 12:04:48 gallifrey > kernel: igb1: netmap queues/slots: TX 8/1024, RX 8/1024 Oct 1 > 12:04:48 gallifrey kernel: igb0: link state changed to UP Oct 1 > 12:16:01 gallifrey kernel: igb0: link state changed to DOWN Oct 1 > 12:19:26 gallifrey kernel: igb0: link state changed to UP > > Nothing in the auth.log that I can see as an issue. > > Also, how do I turn routing / ifconfig back on? > > Rebooting is not that fun > > > > > > > -- > > Polytropon > > Magdeburg, Germany > > Happy FreeBSD user since 4.0 > > Andra moi ennepe, Mousa, ... > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to > > "freebsd-questions-unsubscribe@freebsd.org" > I once had this problem on a server. It wasn't an Intel nic but it was constantly going up and down by itself, and the system lost its connectivity. I replaced the nic and the problem went away. -- Mario Lobo http://www.mallavoodoo.com.br FreeBSD since 2.2.8 [not Pro-Audio.... YET!!] "UNIX was not designed to stop you from doing stupid things, because that would also stop you from doing clever things."
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20171002100626.206b3bdf>