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I have a problem, I need to have to run a java program on a port < 1024. authbind and jsvc are no alternatives, it is simply decided not to use.

But using 

 ip6tables -t mangle -A PREROUTING  -p udp --dport 546 -j TPROXY --on-port 8547

gives me 

ip6tables v1.4.7: unknown option `--on-port'

What did I miss? 

uname -a
 Linux vieppetat12 2.6.32-71.el6.x86_64 #1 SMP Wed Sep 1 01:33:01 EDT 2010 x86_64 x86_64  x86_64 GNU/Linux
CookieMunster
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1 Answers1

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IPv6 TPROXY support was added in RHEL 6.1. You are running 6.0 for some reason (and shouldn't be).

To resolve the issue, register your system and then fully update it.

yum --obsoletes update
Michael Hampton
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