Re: iptables has amnesia :-)

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Don Russell wrote:
> Mikkel L. Ellertson wrote:
>> Don Russell wrote:
>>
>>> Twice now, I've applied new rules using iptables -I... to
>>> accept specific traffic, and each time those rules
>>> "disappeared" a little while later...
>>>
>>> I don't see anything in "man iptables" like "... and don't you
>>> forget it!" (Of course maybe I missed it...)
>>>
>>> This is FC7.... using the cli iptables commands from root.... I
>>> also used webmin with the same effect.
>>>
>>> Why are the new rules not remembered?
>>>
>>> Thanks
>>>
>>>
>> If you are talking about the rules not surviving a reboot, try
>> running "service iptables save" and/or "service ip6tables save".
>> If you want the changes saved automatically, edit
>> /etc/sysconfig/iptables.conf and change
>> IPTABLES_SAVE_ON_RESTART="no" to  IPTABLES_SAVE_ON_STOP="yes". Do
>>  the same for /etc/sysconfig/ip6tables.conf.
>>
>> Mikkel
>>
>
> ah... that's good to know... BUT.... in neither case have I
> restarted the system....
>
> I'll have a look at that config file though and see if there are
> any clues. :-)
>
> Maybe what I need to do (as you suggest) is "service iptables save"
>  after adding the rules and verifying they work correctly.
>
> (I looked at the webmin method specifically for some form of "save
> these rules", but there is only "apply thse rules", which I did
> need to do)
>
>
>
Are you using DHCP on any of your interfaces?

- -James
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