There is actually no difference at all between how the Firewall acts with a
TR NIC or an Ethernet one.

Obviosuly it's different drivers on the FW side, but other then that, waht
can be done for an Ethernet NIC or LAN, can be done for the TR one.

Mike

> -----Original Message-----
> From: Joe Dauncey [SMTP:[EMAIL PROTECTED]]
> Sent: ? ??? 02 2000 20:50
> To:   Oscar Rau
> Cc:   David B McGlumphy; Firewalls
> Subject:      Re: Token Ring LAN
> 
> A firewall can protect a tokenring LAN just as it protects an ethernet
> one.
> 
> The issues are not in the layer 2 (ie. the difference between tokenring
> and ethernet) but at
> layer 3 (the IP layer).
> 
> The only issues you need to think about are getting tokenring network
> cards instead of
> ethernet.
> 
> Hope this helps,
> Joe
> 
> Oscar Rau wrote:
> 
> > On  0, David B McGlumphy <[EMAIL PROTECTED]> wrote:
> > > Yes, you can sniff on a token ring LAN.  You just need a TR card
> capable of
> > > promiscuous mode.  Madge sells a good one and I believe IBM and Olicom
> also
> > > sell them.
> > >       Dave
> > >
> > > -----Original Message-----
> > > From: Oscar Rau [mailto:[EMAIL PROTECTED]]
> > > Sent: Friday, April 28, 2000 7:50 AM
> > > To: Firewalls
> > > Subject: Token Ring LAN
> > >
> > >
> > > I know you cannot sniff on a Token Ring LAN. Can it TR host been
> spoofed?
> > >
> > > Are there any known security vulnerabilities in a Token Ring LAN?
> > >
> >
> > Are there TR sniffers widely available on the Internet (as in the case
> of Ethernet)
> > especially Linux and Wintel platforms? I know that TR sniffers are out
> there but you
> > have to shell out $$ for them. Ethernet sniffers are so widely available
> for the hackers.
> >
> > This is where I am a little bit confident about a TR LAN. Please correct
> me if I am
> > wrong.
> >
> > Regardless of the serivices on a TR LAN, how should a Firewall protect a
> TR LAN?
> >
> > --
> >
> > Oscar Rau
> > [EMAIL PROTECTED]
> > -
> > [To unsubscribe, send mail to [EMAIL PROTECTED] with
> > "unsubscribe firewalls" in the body of the message.]
> 
> 
> __________________________________________________
> Do You Yahoo!?
> Talk to your friends online with Yahoo! Messenger.
> http://im.yahoo.com
> 
> -
> [To unsubscribe, send mail to [EMAIL PROTECTED] with
> "unsubscribe firewalls" in the body of the message.]
-
[To unsubscribe, send mail to [EMAIL PROTECTED] with
"unsubscribe firewalls" in the body of the message.]

Reply via email to