Rob Dover wrote:
There seems to be so many different ways of doing port forwarding, I confess
to being totally stumped.
I am running an E2B firewall which has been working quite nicely for several
months now. I am now adding a new machine behind the firewall and need to
open a few ports. The only option I seem to have available is either
ipmasqadm autofw or ipmasqadm portfw.
I have tried using ipmasqadm portfw -a -P tcp -L InternetIP port -R
ServerIP port which didn't give any errors yet when I do a ipmasqadm
portfw -l I get...
Could not open /proc/net/ip_masq/portfw
Could not open /proc/net/ip_portfw
Check if you have enabled portforwarding
#
Neither of the two portfw files exist nor do I seem to be able to creat
them.
I have also tried ipfwadm -F -i accept -P udp -S InternetIP -D ServerIP
2074 which gives me the error ipfwadm: setsockopt failed: Invalid
argument.
I think I have port forwarding enabled; at least I have these two entries in
my network.conf;
IPFWDING_KERNEL=YES
IPFWDING_FW=YES
Can someone clue me into what I am doing wrong?
Thanks
It might be helpful if you give some more particulars about what you are trying
to forward and where.
There are values in /etc/network.conf that, if configured, open the firewall and
forward to internal machines.
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