man ipnat.conf
redir ::= "rdr" ifname ipmask dport "->" ip [ "," ip ] rdrport rdroptions .
dport ::= "port" portnum [ "-" portnum ] .
rdrport ::= "port" portnum .


dport poate sa fie interval de porturi iar rdrport nu.


<GRESIT>
rdr ed0 xxx.xxx.xxx.xx/32 port 50000-50100 -> 192.168.100.1 port 50000-50100
</GRESIT>


<CORECT>
rdr ed0 xxx.xxx.xxx.xx/32 port 50000-50100 -> 192.168.100.1 port 50000
</CORECT>

Daca pui 60000 in loc de 50000, atunci 50000-50100 se translateaza in 60000-60100



PS
Daca te gandesti cumva sa folosesti pf faci asa:
rdr on de0 proto tcp from any any to port 50000:50100 -> 192.168.100.1 port 50000:*


are cineva idee cum poti defini o plaja de porturi sa fie redirectionate cu rdr in ipnat.rules

as avea nevoie de redirectionat tot ce vine pe 50000 pana la 50100

deocamdata am reusit doar asa:

rdr ed0 xxx.xxx.xxx.xx/32 port 50000 -> 192.168.100.1 port 50000
rdr ed0 xxx.xxx.xxx.xx/32 port 50001 -> 192.168.100.1 port 50001
rdr ed0 xxx.xxx.xxx.xx/32 port 50002 -> 192.168.100.1 port 50002
rdr ed0 xxx.xxx.xxx.xx/32 port 50003 -> 192.168.100.1 port 50003
...........................................................................................................
rdr ed0 xxx.xxx.xxx.xx/32 port 50100 -> 192.168.100.1 port 50100

Am incercat si cu 50000:50100 si 50000 >< 50100 si nu merge... primesc urmatoarea eroare:


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