Date: Wed, 26 Sep 2001 12:13:06 -0500 From: "mario" <admin@tecdigital.net> To: <scott@smnolde.com>, <freebsd-questions@FreeBSD.ORG> Subject: Re: dhcp & cable, @home (help me fight the MS monopoly) Message-ID: <010c01c146ae$82867bf0$1ea5190a@Compilar> References: <20010926125951.E19847-100000@bsd.smnolde.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Read /sbin/dhclient-script (its a text file)
You can add this to /etc/dhclient-exit-hooks:
#!/bin/sh
<whatever you need>
and then chmod +x /etc/dhclient-exit-hooks
Mario
----- Original Message -----
From: <scott@smnolde.com>
To: <freebsd-questions@FreeBSD.ORG>
Sent: Wednesday, September 26, 2001 12:04 PM
Subject: Re: dhcp & cable, @home (help me fight the MS monopoly)
> >This seems the hard way. I am in the process (a long one,
> >unfortunately) of switching from a RH6.2 system to a FreeBSD system on
> >my cable modem with AT&T Broadband. The DHCP thing is one of my
> >holdups. I know that with dhcpcd distributed with Linux (not pump)
> >it is easy to get a script executed every time you get a lease/renewal
> >from the server. Why wouldn't the FreeBSD dhcp client do the same
> >thing? This would allow you to reset your firewall automatically.
> >
> >If I care to, I can get my Linux box to play a sound file, send an
> >email, or ping another system, or whatever, anytime I get a lease or
> >renewal from the dhcp server. Of course, I really only have the
> >firewall reset and a modification to the /etc/hosts file so I can just
> >look there for my IP.
> >
> >Any other behavior kinda rubs against the 'dynamic' in dhcp :) You
> >shouldn't have to do anything. That's the point. And saying that
> >this service or that one doesn't work with FreeBSD, or Linux, or
> >Joe's_Favorite_OS, is bull. The DHCP protocol is pretty well defined,
> >and it is unlikely they are running a server that doesn't comply. So
> >as long as the FreeBSD client complies, it is *only* a matter of
> >configuration.
> >
> >My only issue is finding the mechanism to reset the firewall when I
> >get a lease and fix the IP in /etc/hosts. Once I do that, the Linux
> >box gets retired.
> >
> >Just my $0.02.
>
> I've been using FreeBSD as a router and firewall with mediaone.net for
> nearly 100 days without any problems. My IP hasn't changed once yet.
> natd handles dynamic IP addresses and any firewall can be scripted to
> determine its own interface IP address.
>
> My ipfw firewall script uses the following line to determine its IP
> address: oip=`/sbin/ifconfig dc0 | grep inet | awk '{print $2}'`
>
> If you have a problem when your IP address changes often, you can always
> cron the firewall script.
>
> Nothin' to it.
>
> - Scott
>
> >
> >Lou
> >--
> >Louis LeBlanc leblanc@acadia.ne.mediaone.net
> >Fully Funded Hobbyist, KeySlapper Extrordinaire :)
> >http://acadia.ne.mediaone.net
>
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-questions" in the body of the message
>
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?010c01c146ae$82867bf0$1ea5190a>