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I have gone through the current howto, looked at the archives and used
masquerading for serveral years, yet I'm stumped. Please help.
Problem description:
- Setting up a new home server using RedHat 6.0, 2 network cards (one
internal and one to talk to the ADSL modem). eth0 is the card for the
outside network, eth1 is the card for my home network. Basic networking
works fine: the linux box talks to everything with no problem, and the
home PCs talk to the linux box with no problem. All my past experience
is with one network card + dial-up ppp.
- The kernel should be fine, since with RedHat the default kernel
usually works. IP forwarding is on (and I verified it by looking at
/proc/sys/net/ipv4/ip_forwarding).
- I tried to use the "simple" configuration to no use:
ipchains -P forward DENY
ipchains -A forward -s 192.168.1.0/255.255.255.0 -j MASQ
- I then suspected that the problem might be a need to specify the
proper network card, so I tried the following also to no use:
ipchains -P forward DENY
ipchains -A forward -s 192.168.1.0/255.255.255.0 -i eth0 -j MASQ
I suspect that my problem is with how I am specifying the ipchains
rules. Any ideas as to what I am doing wrong? Or is it even possible
that my new ISP is doing something that actually manages to block
masquerading?
bruno
[demime 0.91c removed an attachment of type text/x-vcard which had a name of bruno.vcf]
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