Re: IP Ranges

["Jason Gervia" <level7online () gmail com>]

Hello,

In regards to cisco PIX - there's no real way to specify a 'range' option
with regards to IP addresses.  I'd suggest trying object groups and
specifying which hosts you would like.

In IOS, you could potentially use subnet masks that specified 2,4,8,16, etc
hosts to get the equivalent of a range, but I believe the stateful
firewalling that is part of the pix won't allow that (it will deny
src/destinations of networks or broadcast networks).

I agree, it would be a great thing for cisco to add in a later code
release.  Unfortunately it's not here yet.



--Jason

On 3/26/07, Sergio Pozo Hidalgo <sergio () lsi us es> wrote:
> Hi all,
> I have been searcing in the list and in google about how to specify ip
> ranges in different low level firewall languages.
>
> I have read that it is possible to do that with iptables using
> --ip-range parameter. But I could'nt find any information reagarding PIX
> or PF using a syntax like iptables one.
> I know it is possible to specify contiguous and non-contiguous ip ranges
> using subnets (Subnet Calculator is a good application for that), and a
> combination of deny and permit rules. But the question is if there is a
> way to specify a range using the easy-to-use format of iptables:
> 192.168.0.1-192.168.2.20 (I know there is a mix of subnets...)
>
> Thank you very much in advance.
> Best regards,
>
> --
> Sergio Pozo Hidalgo
> Quivir Research Group <www.lsi.us.es/~quivir>
> University of Seville (Spain)
> _______________________________________________
> firewall-wizards mailing list
> firewall-wizards () listserv icsalabs com
> https://listserv.icsalabs.com/mailman/listinfo/firewall-wizards
_______________________________________________
firewall-wizards mailing list
firewall-wizards () listserv icsalabs com
https://listserv.icsalabs.com/mailman/listinfo/firewall-wizards