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Re: [FW-1] radius authentication
- To: [email protected]
- Subject: Re: [FW-1] radius authentication
- From: Lars Troen <[email protected]>
- Date: Sun, 23 Feb 2003 08:56:34 +0100
- Reply-to: Mailing list for discussion of Firewall-1 <[email protected]>
- Sender: Mailing list for discussion of Firewall-1 <[email protected]>
- Thread-index: AcLa+8ydD1vrZQmMSzysaiC9Xl9N9gAE+09g
- Thread-topic: Re: [FW-1] radius authentication
Yes, it only supports chap. The disadvantage of that is if someone's capturing packets between the firewall and the radius server they are able to figure out the credentials. This is not of much value for the hacker if you're using one time passwords (otp). There are several radius servers that supports this and you have SecurID. SecurID is using an encrypted protocol (DES) for authentication. S/Key is otoh soon to be discarded. fw-1 also supports Tacacs, cisco's proprietary auth protocol that some software supports and I'm not too sure about the protocol details.
Lars
> -----Original Message-----
> From: Wayne Ho [mailto:[email protected]]
> Sent: Sunday, February 23, 2003 04:36
> To: [email protected]
> Subject: Re: [FW-1] radius authentication
>
>
> Does it only accept CHAP ? What is the disadvantage ?
> Is it possible to have some other better
> authentication combined with RADIUS ?
> Wayne
> --- Lars Troen <[email protected]> wrote:
> > Ho Norman,
> > In w2k it's calles Internet Authentication Services
> > and must be setup to allow clear text authentication
> > (chap) instead of MSCHAP (default setting) in order
> > to work. But I think it's only available on w3k
> > server and not workstation. I think that also used
> > to be the case on nt4. On NT4 this was included in
> > the Option Pack, in w2k this is inlcuded on the
> > server cd as a part of the internet services.
> >
> > Lars
> >
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