Re: blocking DHCP requests

2004-10-04 Thread A
Ahh, I see what you guys are talking about now. I should really read the whole thread before replying. Very interesting stuff. A --- Daniel Hartmeier <[EMAIL PROTECTED]> wrote: > On Mon, Oct 04, 2004 at 06:09:56PM +0200, Ed White wrote: > > > Who's right ? > > There's no contradiction that I

Re: FTP clients behind PF can connect to ftp serves but cannot listfiles why?

2004-10-04 Thread Clinton Sigmon
change your pass in rule to quick or move the rule beneath your block in rule -- clint Cryptek, Inc. Mipam wrote: On Sun, 3 Oct 2004, Peter Matulis wrote: > > Output from pflog0: > > > > 4. 422299 rule 1/0(match): block in on wm0: IP (tos > > 0x0, ttl 242, id > > 58380, offset 0, flags [DF],

Re: FTP clients behind PF can connect to ftp serves but cannot list files why?

2004-10-04 Thread Mipam
On Sun, 3 Oct 2004, Peter Matulis wrote: > > Output from pflog0: > > > > 4. 422299 rule 1/0(match): block in on wm0: IP (tos > > 0x0, ttl 242, id > > 58380, offset 0, flags [DF], length: 44, bad cksum > > d0ab (->2145)!) > > 129.128.5.191.20 > 82.161.169.153.55674: S [tcp sum > > ok] > > 69399152

Re: Ftpsesame and booting up...

2004-10-04 Thread Camiel Dobbelaar
On Mon, 4 Oct 2004, Csillag Tamas wrote: > Does anyone have a version that works with 3.6 too? > (mine does not even compile) Anchors changed in 3.6, that's why 0.91 does not compile. But the new ftpsesame version is almost ready for a release. I'll probably put it up this week. -- Cam

Re: Ftpsesame and booting up...

2004-10-04 Thread Csillag Tamas
On 10/04, Henrik Bro wrote: > I am new to openbsd and ftpsesame. > > How do I get ftpsesame to start on boot? > > Regards Henrik If this topic came up let me ask: Does anyone have a version that works with 3.6 too? (mine does not even compile) -- cstamas

Re: blocking DHCP requests

2004-10-04 Thread Henning Brauer
* Ed White <[EMAIL PROTECTED]> [2004-10-04 18:32]: > On Sunday 03 October 2004 01:10, Camiel Dobbelaar wrote: > > dhcpd (like tcpdump) uses bpf/libpcap, which gets a copy of the network > > data before pf does. This means you cannot use pf to filter what gets to > > dhcpd. > > Quoting from here:

Re: blocking DHCP requests

2004-10-04 Thread Daniel Hartmeier
On Mon, Oct 04, 2004 at 06:09:56PM +0200, Ed White wrote: > Who's right ? There's no contradiction that I can see, just inprecision :) You have to distinguish bpf listeners and raw socket readers vs. raw socket writers on input vs. output paths. On the input path you have wire --> nic --> bp

Re: blocking DHCP requests

2004-10-04 Thread Henning Brauer
* Daniel Hartmeier <[EMAIL PROTECTED]> [2004-10-04 18:28]: > On Mon, Oct 04, 2004 at 08:29:06AM +0200, Björn Ketelaars wrote: > > > A simple solution to this problem would be to remove wi0 from > > dhcpd.interfaces, but I wonder; is it 'wise' to give daemons the option to > > 'bypass' pf? > > It

Re: blocking DHCP requests

2004-10-04 Thread Ed White
On Sunday 03 October 2004 01:10, Camiel Dobbelaar wrote: > dhcpd (like tcpdump) uses bpf/libpcap, which gets a copy of the network > data before pf does. This means you cannot use pf to filter what gets to > dhcpd. Quoting from here: http://www.onlamp.com/lpt/a/4839 Federico: If I'm not wrong,

Re: blocking DHCP requests

2004-10-04 Thread Daniel Hartmeier
On Mon, Oct 04, 2004 at 08:29:06AM +0200, Björn Ketelaars wrote: > A simple solution to this problem would be to remove wi0 from > dhcpd.interfaces, but I wonder; is it 'wise' to give daemons the option to > 'bypass' pf? It boils down to whether you want bpf to see incoming packets before they hi

Re: Ftpsesame and booting up...

2004-10-04 Thread Camiel Dobbelaar
On Mon, 4 Oct 2004, Henrik Bro wrote: > I am new to openbsd and ftpsesame. > > How do I get ftpsesame to start on boot? I use /etc/rc.local: if [ -x /usr/local/bin/ftpsesame ]; then echo -n ' ftpsesame'; /usr/local/bin/ftpsesame -i em0 fi

Re: blocking DHCP requests

2004-10-04 Thread A
Ahh.. how would _any_ software that uses IP (TCP or UDP) be able to "bypass" pf? Doesn't pf operate at layer 2 and 3? AFAIK, DHCP still ends up heading out of the client or server over the network as UDP packets on ports 67 & 68. eg: http://www.dhcp-handbook.com/dhcp_faq.html#wppdd Andrew --- B

Ftpsesame and booting up...

2004-10-04 Thread Henrik Bro
I am new to openbsd and ftpsesame. How do I get ftpsesame to start on boot? Regards Henrik

Re: blocking DHCP requests

2004-10-04 Thread Björn Ketelaars
> Does your dhcpd server listen on wi0 ? > > /Sigfred > > > On Saturday 02 October 2004 18.28, you wrote: >> I'm trying to block wireless clients in using my DHCP-server. The >> problem is that these clients are still able to retrieve IP-information >> from the DHCP-server. If I understand the here