Hi Victor,
On 27/10/16 16:02, Chung Kin Mong via luv-main wrote:
Dear All,
I have a "iptables script file" which I copied from the net that work
for years, it stopped working yesterday after I upgrade from Ubuntu
16.04 to 16.10. I am a beginner so the only way for me to diagnose the
problem is to comment out line by line to see what cause the problems,
my finding as follows;
482 $IPTABLES -A INPUT -i $EXTIF -s $UNIVERSE -d $EXTIP -m state --state \
483 ESTABLISHED,RELATED -j ACCEPT
error message;
Bad argument `state'
offending line;
527 $IPTABLES -A OUTPUT -o $INTIF -s $EXTIP -d $INTNET -j ACCEPT
error message;
Bad argument `192.168.0.0/24'
offending line;
542 $IPTABLES -A OUTPUT -o $EXTIF -s $EXTIP -d $UNIVERSE -j ACCEPT
error message;
Bad argument `0.0.0.0/0'
offending line;
592 $IPTABLES -t nat -A POSTROUTING -o $EXTIF -j SNAT --to $EXTIP
error message;
iptables v1.6.0: option "--to" requires an argument
Also, variables INTNET=”192.168.0.0/24” and UNIVERSE=”0.0.0.0/0”
It looks like all your problems actually comes from the $EXTIP variable.
check the beginning of the script if it is initialised.
I guess is the External IP address. It might be just assigned like
EXTIP="xxxx" or your script might try to get it from the interface. If
your script pools it from the interface, then that part might be stuffed.
The common issue with some major releasese is the new rules of naming
interfaces.
make sure that EXTIF wasn't changed.
Running the script with "bash -x script_name" will show you that $EXTIP
is blank
Regards,
Cristian
I have searched the net for answers but most of them indicate
something like "miss typing" etc. However, as the file work fine up to
Ubuntu 16.04 (I have not touch the file in any way) so something must
have changed in 16.10 and I am out of ideas.
Thanks in advance for the assistance!
Best regards,
Victor Mong
I am a beginner so the
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