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List:       ipfilter
Subject:    ipnat - local redirection
From:       "Dave+Seddon" <das () freegate ! net ! au>
Date:       2004-04-27 3:50:58
Message-ID: 20040427035058.82415.qmail () mail ! freegate ! net ! au
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Greetings, 

I'd like to do a local redirection, to redirect from TCP port 4888 to 4889 
(This is for Oracle Management Agent 10g). 

Here's what I've tried:
 --------------------------------
# cat /etc/ipnat.rules
rdr dmfe0 161.117.169.92/32 port 4888 -> 127.0.0.1 port 4889 

# ipnat -CF -f /etc/ipnat.rules
0 entries flushed from NAT table
0 entries flushed from NAT list
localhost as destination not supported
4: syntax error in "rdr"
/etc/ipnat.rules: parse error (-1), quitting
 -------------------------------- 

I also tried using the non-lo interface address, even though the how-to says 
the packets must be redirect to a different interface than the one they come 
in on (ref. http://www.unixcircle.com/ipf/ipf-howto.html).
 --------------------------------
# cat /etc/ipnat.rules
rdr dmfe0 161.117.169.92/32 port 4888 -> 161.117.169.92/32 port 4889 

# ipnat -CF -f /etc/ipnat.rules
0 entries flushed from NAT table
0 entries flushed from NAT list
5: can't resolve hostname: 161.117.169.92/32
5: syntax error in "rdr"
/etc/ipnat.rules: parse error (-1), quitting
 -------------------------------- 

Any ideas? 

Regards, 

Dave Seddon 

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