On November 19, 2002 10:53 am, Donald R. Spoon wrote: > Jim Bowering wrote: > > I'm using Libranet Debian 2.0. This machine always gets a DHCP lease > > from my ISP when it boots, but they seem to have a short default lease > > period. After about 2 hours I lose my lease.
> This is just a guess, but perhaps your DHCP "client" is obtaining an > initial lease before the firewall is started, and your firwall has ports > 67 and 68 blocked. These ports need to be open so your DHCP client can > communicate with your ISP's DHCP server to renew leases. My firewall > has these ports open and renews the lease on my cable modem about every > two hours just fine. /etc/rc2.d does have dhcp before firestarter, but my Firestarter-generated firewall.sh contains this: #DHCP $IPT -t filter -A INPUT -p tcp -s 0/0 -d 0/0 --dport 67:68 -i $IF -j ACCEPT $IPT -t filter -A INPUT -p udp -s 0/0 -d 0/0 --dport 67:68 -i $IF -j ACCEPT which opens the ports on eth0 ($IF), and when I manually run /etc/init.d/networking restart it re-establishes my connection. > BTW, thanks for mentioning FIRESTARTER! I have been looking for > something like this to replace my current firewall, and have generally > been intimidated by writing my own iptables ruleset. This looks like > just the thing to get me started. I'm finding it very useful. -- Jim Bowering <[EMAIL PROTECTED]> -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
