RE: Some very strange network behaviors - follow-up

2003-10-07 Thread Christopher Bird
September 11, 2003 5:16 PM To: [EMAIL PROTECTED] Subject: Re: Some very strange network behaviors > Even if a switch floods all ports, it does not change the fact the > packet will not have the correct MAC address and his NIC should never > pass it up the stack. Switches do not r

Re: Some very strange network behaviors

2003-09-11 Thread Ray Wong
> Even if a switch floods all ports, it does not change the fact the packet > will not have the correct MAC address and his NIC should never pass it > up the stack. Switches do not rewrite the Ethernet addresses on packets. Correct, ethernet switches do not. The question is, what were the system

Re: Some very strange network behaviors

2003-09-11 Thread Crist Clark
Gregory Hicks wrote: > > > Date: Thu, 11 Sep 2003 13:35:37 -0700 > > From: Crist Clark <[EMAIL PROTECTED]> > > > > Mike Lewinski wrote: > > > > [...snip...] > > OS's IP stack is misbehaving badly, Zone Alarm should not see the traffic > > on the LAN that does not have his MAC address on it. > > >

Re: Some very strange network behaviors

2003-09-11 Thread Gregory Hicks
> Date: Thu, 11 Sep 2003 13:35:37 -0700 > From: Crist Clark <[EMAIL PROTECTED]> > > Mike Lewinski wrote: > > [...snip...] > OS's IP stack is misbehaving badly, Zone Alarm should not see the traffic > on the LAN that does not have his MAC address on it. > > How would a switch/router be deciding

Re: Some very strange network behaviors

2003-09-11 Thread Crist Clark
Mike Lewinski wrote: > > Christopher Bird wrote: > > > This seems strange to me since they are arriving at an IP address that > > is different from mine. > > That's the function of a hub, and the reason why you don't ever want to > send out sensitive information in plaintext. Your neighbor in t

Re: Some very strange network behaviors

2003-09-11 Thread Mike Lewinski
Christopher Bird wrote: This seems strange to me since they are arriving at an IP address that is different from mine. That's the function of a hub, and the reason why you don't ever want to send out sensitive information in plaintext. Your neighbor in the next room over could run a packet snif

Re: Some very strange network behaviors

2003-09-11 Thread Stephen J. Wilcox
Whoa stop press! You connected a computer to a public IP and zone alarm starts buzzing away.. FBI! Depends on how the hotel system works, it may be broadcasting or doing some other IP weirdness, either way its not surprising. But there is no security threat from some left over packets from o

Some very strange network behaviors

2003-09-10 Thread Christopher Bird
I am not sure if this post belongs here, so I apologize if it does not. I have been experiencing some weirdness while traveling and wondered if the group has any insight into what seems to be a pretty ugly situation. I am traveling and have my lap top with me. I am staying in a hotel that offers