promiscuous mode

2009-05-19 Thread Fortunato
Hello all, I've looked over the ifconfig man page and can't find a way to set a specific interface to PROMISC mode on 4.4, for example: vr0: flags=8843 mtu 1500 Here's another example of that this possible: sis0: flags=8943 mtu 1500 Is there a way to set the flags to PROMISC for an interf

snort / promiscuous mode

2005-09-19 Thread Sean Kiewiet
not. When I start up the 4 instances of snort, the nic (em0) with the ip address shows up in promiscuous mode, the others do not. # ifconfig -a lo0: flags=8049 mtu 33224 inet 127.0.0.1 netmask 0xff00 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x8

Re: promiscuous mode

2009-05-19 Thread Ted Unangst
On Tue, May 19, 2009 at 2:51 PM, Fortunato wrote: > Hello all, > > I've looked over the ifconfig man page and can't find a way to set a specific > interface to PROMISC mode on 4.4, for example: ifconfig can't be used to set an interface to promiscuous. You can use something like tcpdump.

Re: promiscuous mode

2009-05-19 Thread Philip Guenther
On Tue, May 19, 2009 at 11:51 AM, Fortunato wrote: ... > Is there a way to set the flags to PROMISC for an interface? What problem are you trying to solve? Philip Guenther

Re: promiscuous mode

2009-05-19 Thread Fortunato
Thanks, tcpdump does it alright, but I'd like to have promiscuous mode on without running tcpdump in the background if possible. (I'll take this as a learning moment otherwise.) I'm trying to use the first vr[0-3] interfaces like an L2 switch in this case. -Original Mes

Re: promiscuous mode

2009-05-19 Thread Matthew Dempsky
On Tue, May 19, 2009 at 1:03 PM, Fortunato wrote: > Thanks, tcpdump does it alright, but I'd like to have promiscuous mode on > without running tcpdump in the background if possible. The interfaces are put into promiscuous mode automatically when there's something that

Re: promiscuous mode

2009-05-19 Thread Chris Kuethe
On Tue, May 19, 2009 at 2:03 PM, Fortunato wrote: > Thanks, tcpdump does it alright, but I'd like to have promiscuous mode on without running tcpdump in the background if possible. (I'll take this as a learning moment otherwise.) I'm trying to use the first vr[0-3] interfaces li

Re: promiscuous mode

2009-05-19 Thread Fortunato
- >From: Matthew Dempsky >Sent: May 19, 2009 4:21 PM >To: Fortunato >Cc: misc@openbsd.org >Subject: Re: promiscuous mode > >On Tue, May 19, 2009 at 1:03 PM, Fortunato > wrote: >> Thanks, tcpdump does it alright, but I'd like to have promiscuous mode on

Re: promiscuous mode

2009-05-19 Thread andrew fresh
On Tue, May 19, 2009 at 01:03:40PM -0700, Philip Guenther wrote: > On Tue, May 19, 2009 at 11:51 AM, Fortunato > wrote: > ... > > Is there a way to set the flags to PROMISC for an interface? > > What problem are you trying to solve? Although not the original poster, and this is not his problem,

ifconfig promiscuous mode

2008-11-18 Thread Man Lam
Hi, How to enable and disable the promiscuous mode with OpenBSD 4.3. I didn't find the -promisc argument in ifconfig. Thanks M

Re: snort / promiscuous mode

2005-09-19 Thread Chris Kuethe
On 9/19/05, Sean Kiewiet <[EMAIL PROTECTED]> wrote: ... > # ifconfig -a > em0: flags=8943 mtu 1500 > em1: flags=8802 mtu 1500 > em2: flags=8802 mtu 1500 > em3: flags=8802 mtu 1500 > ... > How do I get the other 3 ip-less nics to run in promiscuous mode in > OBSD? Y

Re: ifconfig promiscuous mode

2008-11-18 Thread Girish Venkatachalam
On 03:43:49 Nov 18, Man Lam wrote: > Hi, > > How to enable and disable the promiscuous mode with OpenBSD 4.3. > > I didn't find the -promisc argument in ifconfig. > man pcap -Girish

Re: ifconfig promiscuous mode

2008-11-18 Thread Philip Guenther
On Tue, Nov 18, 2008 at 12:43 AM, Man Lam <[EMAIL PROTECTED]> wrote: > How to enable and disable the promiscuous mode with OpenBSD 4.3. > > I didn't find the -promisc argument in ifconfig. Why would you want to do that manually? Software that needs promiscuous mo

Problem with interface in promiscuous mode

2009-03-18 Thread Mail Lists
ayer 2? Is there anyway possible that this is 'legitimate' traffic? Is there any other way to create a filtering bridge without putting interfaces into promiscuous mode? Thanks for any advice, would really appreciate it. Steve

Re: Problem with interface in promiscuous mode

2009-03-18 Thread Stuart Henderson
e' traffic? damned unlikely. I think I'd be looking at a layer-1 solution if the box can't be made to behave... > Is there any other way to create a filtering bridge without putting > interfaces into promiscuous mode? you need promiscuous mode to act as a bridge.

Re: Problem with interface in promiscuous mode

2009-03-19 Thread Mail Lists
On Thu, Mar 19, 2009 at 4:45 AM, Stuart Henderson wrote: > On 2009/03/18 20:45, Mail Lists wrote: >> >> Is there anyway possible that this is 'legitimate' traffic? >> > >> > damned unlikely. I think I'd be looking at a layer-1 solution if the >> > box can't be made to behave... >> >> Sorry, I don'

Re: Problem with interface in promiscuous mode

2009-03-20 Thread Stuart Henderson
On 2009/03/19 23:58, Mail Lists wrote: > > Did you see what sort of packets they are? Broadcast or multicast or > > something? I'm wondering why they would even hit your machine otherwise. > > They are multicast packets that are going to 224.0.1.24 which > according to this: > > http://www.iana.o

Re: Problem with interface in promiscuous mode

2009-03-20 Thread mail-lists
y other way to create a filtering bridge without putting interfaces into promiscuous mode? Thanks for any advice, would really appreciate it. Steve This PR may be related: http://cvs.openbsd.org/cgi-bin/query-pr-wrapper?full=yes&numbers=6072 Try setting up a blackhole route for multicast

Changes to VLAN and promiscuous mode in 6.6

2019-10-29 Thread Zé Loff
Hi all Some changes in VLAN-related code went into 6.6 and I think some of them changed the way the parent interface gets into promiscuous mode. Let me try to explain... Our ISP provides internet and VoIP over two separate VLANs (100 and 101, respectively). Our external firewall has two

Re: Changes to VLAN and promiscuous mode in 6.6

2019-11-03 Thread David Gwynne
the parent interface gets into promiscuous mode. Let me > try to explain... > > Our ISP provides internet and VoIP over two separate VLANs (100 and 101, > respectively). Our external firewall has two physical interfaces re0, > and re1, and also does the filtering and NATing

Is there an ifconfig flag to put an interface in promiscuous mode?

2007-01-27 Thread stan
g the interfaces in promiscuous mode. Does this make any sense? If so, is there an ifconfig flag I can use to accomplish this? Or should I be looking at some other knob to tweak here? -- Unix is very simple, but it takes a genius to understand the simplicity. (Dennis Ritchie)

em interface fails to enter promiscuous mode when bridging on vlan interfaces

2019-02-20 Thread Jordan Geoghegan
m the link below for guidance: https://www.openbsd.org/faq/faq16.html#VMMnet Everything works great, but the problem is that the host interface needs to be put into promiscuous mode for the bridged vlan interface to pass packets to the virtual machine. No packets can be passed to or from the vi

Re: em interface fails to enter promiscuous mode when bridging on vlan interfaces

2019-02-21 Thread Stuart Henderson
e on the host machine, and created a bridge on > it. I used option 4 from the link below for guidance: > > https://www.openbsd.org/faq/faq16.html#VMMnet > > Everything works great, but the problem is that the host interface needs > to be put into promiscuous mode for the brid

Re: em interface fails to enter promiscuous mode when bridging on vlan interfaces

2019-02-21 Thread mabi
‐‐‐ Original Message ‐‐‐ On Thursday, February 21, 2019 12:55 AM, Jordan Geoghegan wrote: > I'm not sure if this has already been reported, or if it is indeed a > bug, but the title pretty much sums it up. Hi Jordan, I have also reported this a while ago on this very same list and ende