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<body><span class="vcard"><a class="email" href="mailto:daniel@iogearbox.net" title="Daniel Borkmann <daniel@iogearbox.net>"> <span class="fn">Daniel Borkmann</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - xt_bpf completely broken with kernel 4.3"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1048">bug 1048</a>
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<td>daniel@iogearbox.net
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - xt_bpf completely broken with kernel 4.3"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1048#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - xt_bpf completely broken with kernel 4.3"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1048">bug 1048</a>
from <span class="vcard"><a class="email" href="mailto:daniel@iogearbox.net" title="Daniel Borkmann <daniel@iogearbox.net>"> <span class="fn">Daniel Borkmann</span></a>
</span></b>
<pre>(In reply to blaffablaffa from <a href="show_bug.cgi?id=1048#c0">comment #0</a>)
<span class="quote">> It appears that xt_bpf isn't functioning at all. For example:
>
> iptables -A INPUT -p udp -m bpf --bytecode "`tcpdump -i lo -ddd udp | tr
> '\n' ,`" -j LOG
>
> should log all UDP packets, but it logs none because -m bpf never matches.</span >
You may want to check out nfbpf_compile and bpf_asm:
* nfbpf_compile:
<a href="http://git.netfilter.org/iptables/commit/?id=1ac30c97c339957b6e3c5cf571de7bc38c827730">http://git.netfilter.org/iptables/commit/?id=1ac30c97c339957b6e3c5cf571de7bc38c827730</a>
* bpf_asm: kernel tree under tools/net/
On which interface is iptables running? Does RAW linktype work for you?</pre>
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