Port DNATting

Oleg A. Arkhangelsky sysoleg at progtech.ru
Sat Nov 26 10:44:25 CET 2005

Hello All,

  When I'm trying to do something like this:

  iptables -t nat -I POSTROUTING -p tcp --dport 8080 -j DNAT --to :80

  I get: "iptables: Invalid argument".

  What I want is only to translate destination port of all TCP-packets
  going to some_ip:8080 into some_ip:80. I don't want to change IP. It
  seems that syntax of this command is corrent, but... What is wrong?


  P.S.: Kernel 2.4.31, iptables v1.3.2

Best regards,

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