RE: IP address conflicts

2004-10-03 Thread Ted Mittelstaedt
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Bart Silverstrim Sent: Saturday, October 02, 2004 12:37 PM To: [EMAIL PROTECTED] [EMAIL PROTECTED] Subject: Re: IP address conflicts On Oct 2, 2004, at 2:27 PM, Ted Mittelstaedt wrote

Re: IP address conflicts

2004-10-03 Thread Martin Paredes
Well, you could move all of the servers onto a separate network to any of the individual client machines (and make sure that the server network isn't accessible from any of the network ports your clients have access to, clearly). That way, even if one of your pet idiots decides to

Re: IP address conflicts

2004-10-03 Thread Bart Silverstrim
On Oct 3, 2004, at 2:11 AM, Ted Mittelstaedt wrote: locking your dorm room Yup. This is self-defense in any college setting, there's too many juveniles around. Well, that's the point of college today...real life without the real life consequences :-) It's training for taking responsibility,

RE: IP address conflicts

2004-10-03 Thread Ted Mittelstaedt
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Bart Silverstrim Sent: Sunday, October 03, 2004 12:55 PM To: [EMAIL PROTECTED] [EMAIL PROTECTED] Subject: Re: IP address conflicts On Oct 3, 2004, at 2:11 AM, Ted Mittelstaedt wrote: locking your

RE: IP address conflicts

2004-10-02 Thread Ted Mittelstaedt
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Bart Silverstrim Sent: Monday, September 27, 2004 5:03 AM To: Tim Aslat Cc: [EMAIL PROTECTED] Subject: Re: IP address conflicts On Sep 27, 2004, at 12:49 AM, Tim Aslat wrote: In the immortal

Re: IP address conflicts

2004-10-02 Thread Bart Silverstrim
On Oct 2, 2004, at 2:27 PM, Ted Mittelstaedt wrote: The problem is that if the attacker has a modicum of intelligence they will have done this to someone elses' system. Yet you say this is taking place in colleges... :-) This is a college. For example, someone in a dorm room just surfing the web

Re: IP address conflicts

2004-10-01 Thread Bart Silverstrim
On Sep 27, 2004, at 12:49 AM, Tim Aslat wrote: In the immortal words of Ted Mittelstaedt [EMAIL PROTECTED]... Once again, I must assume that these notebooks legitimately owned by students and staff are NOT owned by the people that are changing the IP numbers. I actually think it's more than 1

Re: IP address conflicts

2004-09-28 Thread Matthew Seaman
On Mon, Sep 27, 2004 at 08:20:42PM -0700, Ted Mittelstaedt wrote: -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Matthew Seaman Sent: Monday, September 27, 2004 2:22 AM To: Tim Aslat Cc: [EMAIL PROTECTED] Subject: Re: IP address conflicts

RE: IP address conflicts

2004-09-28 Thread Ted Mittelstaedt
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of russell Sent: Monday, September 27, 2004 9:52 PM To: Ted Mittelstaedt Cc: bsdfsse; [EMAIL PROTECTED] Subject: Re: IP address conflicts On 28/09/2004, at 1:25 PM, Ted Mittelstaedt wrote: or use

RE: IP address conflicts

2004-09-28 Thread Ted Mittelstaedt
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Tim Aslat Sent: Monday, September 27, 2004 9:39 PM To: [EMAIL PROTECTED] Subject: Re: IP address conflicts It's not the number of switches that matter it's the number of active ports. 50 what, 8

RE: IP address conflicts

2004-09-28 Thread Ted Mittelstaedt
-Original Message- From: Matthew Seaman [mailto:[EMAIL PROTECTED] Sent: Tuesday, September 28, 2004 12:52 AM To: Ted Mittelstaedt Cc: Tim Aslat; [EMAIL PROTECTED] Subject: Re: IP address conflicts Please do not ascribe such motives to me in such an insulting manner. You have

Re: IP address conflicts

2004-09-28 Thread Peter Risdon
Ted Mittelstaedt wrote: -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Matthew Seaman Sent: Monday, September 27, 2004 2:22 AM To: Tim Aslat Cc: [EMAIL PROTECTED] Subject: Re: IP address conflicts On Mon, Sep 27, 2004 at 08:51:47AM +0930, Tim Aslat wrote

Re: IP address conflicts

2004-09-28 Thread Eric Crist
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 For what it's worth, aside from some reconfiguration that could be a little time consuming, I would suggest putting the servers on a different subnet that everything else. If all the computers that are not servers are supposed to be configured for

RE: IP address conflicts

2004-09-28 Thread Ted Mittelstaedt
-Original Message- From: Eric Crist [mailto:[EMAIL PROTECTED] Sent: Tuesday, September 28, 2004 6:38 AM To: Ted Mittelstaedt Cc: russell; bsdfsse; [EMAIL PROTECTED] Subject: Re: IP address conflicts -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 For what it's worth, aside from

RE: IP address conflicts

2004-09-28 Thread Ted Mittelstaedt
-Original Message- From: Peter Risdon [mailto:[EMAIL PROTECTED] Sent: Tuesday, September 28, 2004 3:42 AM To: Ted Mittelstaedt Cc: Matthew Seaman; Tim Aslat; [EMAIL PROTECTED] Subject: Re: IP address conflicts It's nice to hear of kids understanding enough of their IT systems

RE: IP address conflicts

2004-09-27 Thread Ted Mittelstaedt
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Matthew Seaman Sent: Monday, September 27, 2004 2:22 AM To: Tim Aslat Cc: [EMAIL PROTECTED] Subject: Re: IP address conflicts On Mon, Sep 27, 2004 at 08:51:47AM +0930, Tim Aslat wrote: I have

RE: IP address conflicts

2004-09-27 Thread Ted Mittelstaedt
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of russell Sent: Sunday, September 26, 2004 10:36 PM To: bsdfsse Cc: [EMAIL PROTECTED] Subject: Re: IP address conflicts or use a tool like arpwatch that is specifically designed to let you know when

RE: IP address conflicts

2004-09-27 Thread Ted Mittelstaedt
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Tim Aslat Sent: Sunday, September 26, 2004 9:50 PM I agree, and this is what we are trying to do. However a school with 20+ buildings, and 1000+ network points and a considerable number of switches

Re: IP address conflicts

2004-09-27 Thread Tim Aslat
In the immortal words of Ted Mittelstaedt [EMAIL PROTECTED]... And, let me guess, most switches purchased at different times, different models, different number of ports, etc. Very much so. And all of them on a single network, not broken up into small subnets - that is the first mistake.

Re: IP address conflicts

2004-09-27 Thread russell
On 28/09/2004, at 1:25 PM, Ted Mittelstaedt wrote: or use a tool like arpwatch that is specifically designed to let you know when MAC/IP relationships change on your network. You don't even need to do that - any router on the network is going to log the MAC address because they will see the arp