Re: NTP && IP Filter / NAT

This is a discussion on Re: NTP && IP Filter / NAT within the IPFilter forums, part of the System Security and Security Related category; El día Wednesday, September 05, 2007 a las 11:30:02PM -0700, Darren Reed escribió: > You can do ...


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Old 09-06-2007
Matthias Apitz
 
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Default Re: NTP && IP Filter / NAT

El día Wednesday, September 05, 2007 a las 11:30:02PM -0700, Darren Reed escribió:

> You can do this:
>
> map em1 from 193.31.10.32/24 to any port = 123 -> xxx.xxx.xxx.xxx/32 udp age 30/1
>
> to limit make the timeout 30 seconds for a reply and 1 second after the
> reply
> has been recieved.


Hello Darren,

Sorry to have overlooked the 'age' parameter in the man page, I was
doing 'man -S5 ipnat | col -b | fgrep time'; but it gives now an error
and the line 37 is exactly cut&pasted from your hint and changed
xxx.xxx.xxx.xxx to the real IP of the NIC):

# ipnat -CF -f /etc/ipnat.rules
0 entries flushed from NAT table
3 entries flushed from NAT list
syntax error error at "age", line 37

Thanks again for your hint

matthias
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