Hi, on a machine connected to a router that does igmp stuff, my pflog fills up with entries like :
14:20:12.255774 rule 1/(ip-option) pass in on bge0: aaa.bbb.ccc.ddd >
224.0.0.1: igmp query [tos 0xc0] [ttl 1]
(aaa.bbb.ccc.ddd beeing the IP adress of the said router).
pf.conf on this machine is the default one
# $OpenBSD: pf.conf,v 1.54 2014/08/23 05:49:42 deraadt Exp $
#
# See pf.conf(5) and /etc/examples/pf.conf
set skip on lo
block return # block stateless traffic
pass # establish keep-state
# By default, do not permit remote connections to X11
block return in on ! lo0 proto tcp to port 6000:6010
Why are those packets logged ? Bug or feature ?
OpenBSD 6.0-current (GENERIC.MP) #15: Thu Nov 3 09:57:24 CET 2016
[email protected]:/usr/obj/GENERIC.MP
real mem = 4294967296 (4096MB)
avail mem = 4205068288 (4010MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root: Sun Fire V210
cpu0 at mainbus0: SUNW,UltraSPARC-IIIi (rev 2.4) @ 1002 MHz
cpu0: physical 32K instruction (32 b/l), 64K data (32 b/l), 1024K external (64
b/l)
cpu1 at mainbus0: SUNW,UltraSPARC-IIIi (rev 2.4) @ 1002 MHz
cpu1: physical 32K instruction (32 b/l), 64K data (32 b/l), 1024K external (64
b/l)
"memory-controller" at mainbus0 not configured
"memory-controller" at mainbus0 not configured
schizo0 at mainbus0: "Tomatillo", version 4, ign 7c0, bus B 0 to 0
schizo0: dvma map c0000000-dfffffff
pci0 at schizo0
bge0 at pci0 dev 2 function 0 "Broadcom BCM5704C" rev 0x00, BCM5704 A3
(0x2003): ivec 0x7c8, address 00:03:ba:be:e3:79
brgphy0 at bge0 phy 1: BCM5704 10/100/1000baseT PHY, rev. 0
bge1 at pci0 dev 2 function 1 "Broadcom BCM5704C" rev 0x00, BCM5704 A3
(0x2003): ivec 0x7c9, address 00:03:ba:be:e3:7a
brgphy1 at bge1 phy 1: BCM5704 10/100/1000baseT PHY, rev. 0
schizo1 at mainbus0: "Tomatillo", version 4, ign 780, bus A 0 to 0
schizo1: dvma map c0000000-dfffffff
pci1 at schizo1
ebus0 at pci1 dev 7 function 0 "Acer Labs M1533 ISA" rev 0x00
"flashprom" at ebus0 addr 0-fffff, 290-290 not configured
rtc0 at ebus0 addr 70-71: m5819p
pcfiic0 at ebus0 addr 320-321 ivec 0x2e
iic0 at pcfiic0
"SUNW,i2c-imax" at iic0 addr 0xb not configured
"SUNW,i2c-imax" at iic0 addr 0xc not configured
spdmem0 at iic0 addr 0x5b: 512MB DDR SDRAM registered ECC PC2100CL2.5
spdmem1 at iic0 addr 0x5c: 512MB DDR SDRAM registered ECC PC2100CL2.5
spdmem2 at iic0 addr 0x5d: 512MB DDR SDRAM registered ECC PC2100CL2.5
spdmem3 at iic0 addr 0x5e: 512MB DDR SDRAM registered ECC PC2100CL2.5
spdmem4 at iic0 addr 0x63: 512MB DDR SDRAM registered ECC PC2100CL2.5
spdmem5 at iic0 addr 0x64: 512MB DDR SDRAM registered ECC PC2100CL2.5
spdmem6 at iic0 addr 0x65: 512MB DDR SDRAM registered ECC PC2100CL2.5
spdmem7 at iic0 addr 0x66: 512MB DDR SDRAM registered ECC PC2100CL2.5
"ds1307" at iic0 addr 0x68 not configured
"pca9555" at iic0 addr 0x22 not configured
"pca9555" at iic0 addr 0x23 not configured
"pca9555" at iic0 addr 0x34 not configured
"pca9556" at iic0 addr 0x38 not configured
power0 at ebus0 addr 800-82f ivec 0x20
com0 at ebus0 addr 3f8-3ff ivec 0x2c: ns16550a, 16 byte fifo
com0: console
com1 at ebus0 addr 2e8-2ef ivec 0x2c: ns16550a, 16 byte fifo
"rmc-comm" at ebus0 addr 3e8-3ef ivec 0x2c not configured
alipm0 at pci1 dev 6 function 0 "Acer Labs M7101 Power" rev 0x00: 223KHz clock
iic1 at alipm0
ohci0 at pci1 dev 10 function 0 "Acer Labs M5237 USB" rev 0x03: ivec 0x7a7,
version 1.0, legacy support
pciide0 at pci1 dev 13 function 0 "Acer Labs M5229 UDMA IDE" rev 0xc4: DMA,
channel 0 configured to native-PCI, channel 1 configured to native-PCI
pciide0: using ivec 0x798 for native-PCI interrupt
pciide0: channel 0 disabled (no drives)
pciide0: channel 1 disabled (no drives)
usb0 at ohci0: USB revision 1.0
uhub0 at usb0 configuration 1 interface 0 "Acer Labs OHCI root hub" rev
1.00/1.00 addr 1
schizo2 at mainbus0: "Tomatillo", version 4, ign 700, bus A 0 to 0
schizo2: dvma map c0000000-dfffffff
pci2 at schizo2
siop0 at pci2 dev 2 function 0 "Symbios Logic 53c1010-66" rev 0x01: ivec 0x729,
using 8K of on-board RAM
scsibus1 at siop0: 16 targets, initiator 7
sym0 at scsibus1 targ 0 lun 0: <SEAGATE, ST3146707LC, 0003> SCSI3 0/direct
fixed serial.SEAGATE_ST3146707LC_3KS05BPF00007523TWNY
sd0 at scsibus0 targ 0 lun 0: <SEAGATE, ST3146707LC, 0003> SCSI3 0/direct fixed
serial.SEAGATE_ST3146707LC_3KS05BPF00007523TWNY
sd0: 140014MB, 512 bytes/sector, 286749488 sectors
sym1 at scsibus1 targ 1 lun 0: <SEAGATE, ST3146707LC, 0003> SCSI3 0/direct
fixed serial.SEAGATE_ST3146707LC_3KS05B2P00007523035J
sd1 at scsibus0 targ 1 lun 0: <SEAGATE, ST3146707LC, 0003> SCSI3 0/direct fixed
serial.SEAGATE_ST3146707LC_3KS05B2P00007523035J
sd1: 140014MB, 512 bytes/sector, 286749488 sectors
siop1 at pci2 dev 2 function 1 "Symbios Logic 53c1010-66" rev 0x01: ivec 0x728,
using 8K of on-board RAM
scsibus2 at siop1: 16 targets, initiator 7
schizo3 at mainbus0: "Tomatillo", version 4, ign 740, bus B 0 to 0
schizo3: dvma map c0000000-dfffffff
pci3 at schizo3
bge2 at pci3 dev 2 function 0 "Broadcom BCM5704C" rev 0x00, BCM5704 A3
(0x2003): ivec 0x75c, address 00:03:ba:be:e3:7b
brgphy2 at bge2 phy 1: BCM5704 10/100/1000baseT PHY, rev. 0
bge3 at pci3 dev 2 function 1 "Broadcom BCM5704C" rev 0x00, BCM5704 A3
(0x2003): ivec 0x75d, address 00:03:ba:be:e3:7c
brgphy3 at bge3 phy 1: BCM5704 10/100/1000baseT PHY, rev. 0
siop0: target 0 now using tagged DT 16 bit 80.0 MHz 62 REQ/ACK offset xfers
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
siop0: target 1 now using tagged DT 16 bit 80.0 MHz 62 REQ/ACK offset xfers
bootpath: /pci@1c,600000/scsi@2,0/disk@0,0
root on sd0a (3c40ef25a39003a0.a) swap on sd0b dump on sd0b
--
Matthieu Herrb
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