El 20 de mayo de 2019 21:48:33 CEST, Florian Westphal <f...@strlen.de> escribió:
>Fernando Fernandez Mancera <ffmanc...@riseup.net> wrote:
>> > ERROR: "ipv4_synproxy_hook" [net/ipv6/netfilter/ip6t_SYNPROXY.ko]
>undefined!
>> >    ERROR: "synproxy_send_client_synack_ipv6"
>[net/ipv6/netfilter/ip6t_SYNPROXY.ko] undefined!
>> >    ERROR: "synproxy_recv_client_ack_ipv6"
>[net/ipv6/netfilter/ip6t_SYNPROXY.ko] undefined!
>> >    ERROR: "nf_synproxy_ipv6_init"
>[net/ipv6/netfilter/ip6t_SYNPROXY.ko] undefined!
>> >    ERROR: "nf_synproxy_ipv6_fini"
>[net/ipv6/netfilter/ip6t_SYNPROXY.ko] undefined!
>> >    ERROR: "ipv4_synproxy_hook" [net/ipv4/netfilter/ipt_SYNPROXY.ko]
>undefined!
>> >    ERROR: "synproxy_send_client_synack"
>[net/ipv4/netfilter/ipt_SYNPROXY.ko] undefined!
>> >    ERROR: "synproxy_recv_client_ack"
>[net/ipv4/netfilter/ipt_SYNPROXY.ko] undefined!
>> >    ERROR: "nf_synproxy_ipv4_init"
>[net/ipv4/netfilter/ipt_SYNPROXY.ko] undefined!
>> >    ERROR: "nf_synproxy_ipv4_fini"
>[net/ipv4/netfilter/ipt_SYNPROXY.ko] undefined!
>> 
>> Why undefined? I have exported them with EXPORT_SYMBOL_GPL(). What am
>I
>> missing? Thanks!
>
>The only cases I can think of are these:
>
>a) synproxy_send_client_synack_ipv6 etc. is not exported
>b) synproxy_send_client_synack_ipv6 are exported, but not built
>   (usually points to a dependency bug).
>c) synproxy_send_client_synack_ipv6 are in a module, but foo.o is
>builtin
>
>Above errors would hint at b). You can check the .config if thats the
>case or not.

Thanks Florian, I will check them :-)

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