Thanks all for the tips! I seem to have solved the module problem with your
help, but still can't get IP Masquerading working like it was. There is
some error during the execution of rc.local that I don't know how to trap
for viewing. The logon prompt quickly clears the screen.
IP masquerading is intended to run on my home server. Our network has only
1 other Linux machine, but 4 WindBlows machines and 1 NT4 machine. I have
never thoroughly understood whether it is required to have Samba fully
functioning on this kind of network for IP Masquerading to work. I did have
it working before, and it worked well, but I need to set that up again and
have done most of it already (I think).
If only I had a reliable back-up of the server boot disk I could have
restored, I guess. This brings up another question for another time.
Again, all help and advise is greatly appreciated,
Bill
-----Original Message-----
From: Adam Sleight [mailto:[EMAIL PROTECTED]]
Sent: Saturday, April 01, 2000 10:31 AM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: Help with modprobe, please
On Fri, 31 Mar 2000 23:38:31 +0100
"BG" <[EMAIL PROTECTED]> wrote:
# I am trying to set up IP Masquerading on RH6.2. I have had it running
since
# RH5.2, but my hard disk died, so I have to learn it over again, I guess.
I
# think the problem lies with the statements I put in rc.local, but I'm not
# sure. Here are the modprobe statements:
I use the linksys router though now..cuz it's cheap and it works great only
$169
from http://outpost.com Been using it for 2 weeks now.
http://timhiggins.com/reviews/linksys_router.asp
now it includes PPPoE support....NAT, port-forwarding, DMZ, 4 port
switch..it's
great if you have DSL or a cable modem.
Hope this helps for Redhat 6.2 ip-chains.
Add this to /etc/rc.d/rc.local
ipchains -P forward DENY
ipchains -A forward -s 10.0.0.0/255.0.0.0 -j MASQ
/sbin/depmod -a
/sbin/modprobe ip_masq_ftp
/sbin/modprobe ip_masq_irc
/sbin/modprobe ip_masq_quake
/sbin/modprobe ip_masq_cuseeme
/sbin/modprobe ip_masq_portfw
/sbin/modprobe ip_masq_user
/sbin/modprobe ip_masq_autofw
/sbin/modprobe ip_masq_vdolive
/sbin/modprobe ip_masq_mfw
/sbin/modprobe ip_masq_raudio
10.0.0.0 - 10.255.255.255
172.16.0.0 - 172.31.255.255
192.168.0.0 - 192.168.255.255
netmask | x | Subnet
~~~~~~~~~~~~~~~~|~~~~|~~~~~~~~~~~~~~~
255.0.0.0 | 8 | Class A
255.255.0.0 | 16 | Class B
255.255.255.0 | 24 | Class C
255.255.255.255 | 32 | Point-to-point
You may also use the format yyy.yyy.yyy.yyy/xxx.xxx.xxx.xxx, where
xxx.xxx.xxx.xxx specfies your subnet mask such as 255.255.255.0
For example, if I'm on a class C subnet, I would have entered:
ipchains -P forward DENY
ipchains -A forward -s 192.168.1.0/24 -j MASQ
or
ipchains -P forward DENY
ipchains -A forward -s 192.168.1.0/255.255.255.0 -j MASQ
You can also do it on a per machine basis. For example, if I want
192.168.1.2
and 192.168.1.8 to have access to the Internet, but not the other machines,
I
would have entered:
ipchains -P forward DENY
ipchains -A forward -s 192.168.1.2/32 -j MASQ
ipchains -A forward -s 192.168.1.8/32 -j MASQ
# Each of these returns "modprobe can't locate ipip.o, ip_masq_ftp.o", etc.
I
# did locate these files in /lib/modules/2.2.15-2.5.0/ipv4/, so I tried the
# above with the full path. Modprobe still can't find them.
#
# Any help is greatly appreciated,
# Bill
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