iptables unable to use same target -

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i unable use same target under iptables. can please?

iptables v1.4.21 kernel: 3.16.7

iptables -t nat -a postrouting -o eth0 -j same --to 1.2.3.4-1.2.3.7 iptables: no chain/target/match name.

according iptables-extensions's man page, same target superseded --persistent flag of dnat target:

--persistent

gives client same source-/destination-address each connection. supersedes same target. support persistent mappings available 2.6.29-rc2.


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