Re: newbie: writing custom target, need help with getting it to work

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On Sunday 2010-08-08 22:20, Yossi Weihs wrote:

>Hi List,
>
>I have been working on a custom netfilter target to help with some in-house
>testing. I?m running Fedora 13 and building within xtables-addons v 1.2.6 ;
>I have gotten both the kernel module and library to build correctly within
>the xtables-addons build enviroment, and am inserting the kernel module with
>no errors. When trying to create a rule with my target, I get the cryptic
>error:
>
>iptables --verbose --table filter --insert INPUT --protocol TCP -m state
>--state ESTABLISHED --jump TAP --device TAPPY
>TAP  tcp opt -- in * out *  0.0.0.0/0  -> 0.0.0.0/0  state ESTABLISHED TAP
>dev:TAPPY 
>iptables: No chain/target/match by that name.

When you want iptables to recognize (the user portion) of Xt-a's extra 
modules, you need to point to it via the XTABLES_LIBDIR environment 
variable.

XTABLES_LIBDIR=$HOME/xta/extensions:/usr/lib(64)/xtables iptables -S

Don't forget usr/lib/xtables otherwise it won't find the tcp match and 
all the ones that already ship with iptables.

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