Hello, Patrick McHardy a écrit :
Ah, I see the problem. The route returns unreachable, which iptable_mangle translates to NF_DROP. The problem is that netfilter itself can't return ENETUNREACH and there is no valid output function attached to the dst_entry that would send an icmp unreachable. I think the only thing you could do is manually call icmp_send(ICMP_DEST_UNREACH) in ip_route_me_harder for this case.
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