 | | | nfsd/portmapper and iptables on Linux 4 | nfsd/portmapper and iptables on Linux 4 2005-03-14 - By Paul Crossman
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You can also check out this handy dandy project...
I have found this very useful for creating firewalls. Anyone with
checkpoint FW-1 experience would most likely enjoy this.
It 's called Firewall Builder -- > http://www.fwbuilder.org/
You can download/install it to work with ipchains, iptables, ipfw, and they
even have a Cisco PIX module that you can get, but you have to pay for that.
Paul C.
> -- --Original Message-- --
> From: redhat-list-bounces@(protected) [mailto:redhat-list-
> bounces@(protected)] On Behalf Of James Cooley
> Sent: Friday, March 11, 2005 2:22 PM
> To: General Red Hat Linux discussion list
> Subject: Re: nfsd/portmapper and iptables on Linux 4
>
> Ben,
>
> No problem. O 'Reilly makes a cheap pocket reference for iptables called
> "Linux iptables Pocket reference " which can be had from bookstores for
> about $10, or bookpool.com for around $6. It 's fairly good at
> explaining the syntax and getting you up to speed with creating rules.
>
> I still prefer the ipfw rule format in FreeBSD to the iptables in Linux,
> but you have to use what you 've got. The random port assignments throw
> a lot of people for a loop, and usually the offenders are only RPC based
> services. The nfs random ports drove me nuts for quite a awhile, and I
> never found a solution to it until I just 'tried ' putting the services
> in /etc/services.
>
> In any case, I 'm just glad I could be of some help.
>
> --James Cooley
>
>
> Ben Ransom wrote:
>
> > Thanks again James. This works, but of course I feel I must be
> > missing something wrt how to deal with random port assignment and
> > iptables. So far I 've gotten away with very only understanding of
> > iptables syntax and rule making ...will read up and hope to get back
> > to random ports eventually.
> > -Ben
> >
>
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