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wow, this is a perfect request for help, as a previous response said, you need
the "option routers <IP>;" to point to your linux gateway, on a side note..
check out the program called "squid" it is a web proxy/cache. it will greatly
improve web browsing on all machines behind the firewall. you may also want to
checkup with caldera's site. caldera 1.3 has many bugs, compromising your
security. look at the openlinux 2.2 upgrade, (i've seen it at best buy) if you
want to stay with the openlinux thing.
On 21-May-99 CL wrote:
> *** From dhcp-server -- To unsubscribe, see the end of this message. ***
>
> I am running dhcp server Version 2 beta 1 patchlevel 27 that I downloaded,
> built and installed on a PC running Caldera OpenLinux 1.3 with a 2.0.35
> Linux kernel. My simple test network comprises the Linux PC, which also
> acts as an Internet gateway, and a Windows 95 PC. My /etc/dhcpd.conf file
> is:
>
> default-lease-time 600;
> max-lease-time 7200;
> subnet 192.168.1.0 netmask 255.255.255.0 {
> range 192.168.1.3 192.168.1.99;
> option broadcast-address 192.168.1.255;
> # option routers prelude.fugue.com;
> }
>
> and I appear to be successful in running /usr/sbin/dhcpd manually:
> May 21 18:42:47 wallaby usr/sbin/dhcpd: Listening on
> Socket/eth0/192.168.1.0
> May 21 18:42:47 wallaby usr/sbin/dhcpd: Sending on
> Socket/eth0/192.168.1.0
> May 21 18:43:33 wallaby usr/sbin/dhcpd: DHCPDISCOVER from 00:90:27:50:c8:5f
> via eth0
> May 21 18:43:34 wallaby usr/sbin/dhcpd: DHCPOFFER on 192.168.1.3 to
> 00:90:27:50:c8:5f via eth0
> May 21 18:43:34 wallaby usr/sbin/dhcpd: DHCPREQUEST for 192.168.1.3 from
> 00:90:27:50:c8:5f via eth0
> May 21 18:43:34 wallaby usr/sbin/dhcpd: DHCPACK on 192.168.1.3 to
> 00:90:27:50:c8:5f via eth0
>
> I did not have to do 'route add -host 255.255.255.255 dev eth0' mentioned
> in the README file, and the problem I am having did not go away even when I
> added the host route later.
>
> After I changed the Windows 95 PC to "Obtain an IP address automatically"
> in Control Panel | Network, and rebooted, the Windows 95 PC successfully
> obtains an IP address. I can communicate between the Windows 95 PC and the
> Linux gateway PC, e.g. telnet from Windows PC to Linux PC works, and every
> few minutes the Linux PC log file shows what appears to be normal renewal
> of the IP address lease:
> May 21 18:48:33 wallaby usr/sbin/dhcpd: DHCPREQUEST for 192.168.1.3 from
> 00:90:27:50:c8:5f via eth0
> May 21 18:48:33 wallaby usr/sbin/dhcpd: DHCPACK on 192.168.1.3 to
> 00:90:27:50:c8:5f via eth0
>
> However, my Windows 95 PC is unable to reach Internet websites through the
> Linux gateway PC; it had been able to do that all along. The error message
> dialog is:
> Internet Explorer cannot open the Internet site http://www.nytimes.com/.
> A connection with the server could not be established
>
> Changing the Windows PC back to "Specify an IP address" with IP Address
> 192.168.1.3 and Subnet Mask 255.255.255.0, and re-booting, gets the Windows
> PC back to be able to assess Internet websites through the Linux gateway
> PC.
>
> The Linux PC is configured for IP forwarding. I also use ipfwadm commands
> to filter out netbios datagrams from ports 137-139 (to avoid diald dialing
> out spuriously), and for IP masquerading:
> /sbin/ipfwadm -F -p deny
> /sbin/ipfwadm -F -a deny -P tcp -S 0.0.0.0/0 137:139
> /sbin/ipfwadm -F -a deny -P udp -S 0.0.0.0/0 137:139
> /sbin/ipfwadm -F -a m -S 192.168.1.0/24 -D 0.0.0.0/0
> I also do, at bootup in rc.local file,
> echo 7 > /proc/sys/net/ipv4/ip_dynaddr
> to have the kernel use the dynamic ip address assigned to pppd after I
> connect to my dialup ISP.
>
> I wonder if there is a conflict somewhere. Any help is _gratefully_
> appreciated. Thanks.
>
> - - -CL
>
>
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E-Mail: Ben Kochie <[EMAIL PROTECTED]>
Date: 22-May-99
Time: 10:30:41
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