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Date:      Wed, 4 Jan 2006 17:59:44 -0700
From:      Dan Joumaa <nessup@gmail.com>
To:        freebsd-hackers@freebsd.org
Subject:   Invalid ipfirewall rule?
Message-ID:  <a280f1c696571b105ef9a49b1dabca22@gmail.com>
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I'm trying to set a rule that will divert all TCP/UDP packets from host 
X to my divert socket. When I try to set the below firewall rule, 
setsockopt fails and sets errno to EINVAL. Any ideas?

    entry->version = IP_FW_CURRENT_API_VERSION;
    entry->fw_src.s_addr = htonl(host);
    entry->fw_uar.fw_pts[1] = 0xffff;
    entry->fw_prot = IPPROTO_TCP|IPPROTO_UDP;
    entry->fw_flg = IP_FW_F_DIVERT;

--ness

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