Fix SYN scan under FreeBSD 10.0 and later. #196
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The byte order of some IP header fields has changed, see: https://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/versions.html This fixes problem that manifested like this: sendto in send_ip_packet_sd: sendto(5, packet, 44, 0, 127.0.0.1, 16) => Invalid argument Offending packet: TCP 127.0.0.1:62353 > 127.0.0.1:995 S ttl=40 id=64012 iplen=11264 seq=1481935911 win=1024 <mss 1460>
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The byte order of some IP header fields has changed, see:
https://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/versions.html
This fixes problem that manifested like this:
sendto in send_ip_packet_sd: sendto(5, packet, 44, 0, 127.0.0.1, 16) => Invalid argument
Offending packet: TCP 127.0.0.1:62353 > 127.0.0.1:995 S ttl=40 id=64012 iplen=11264 seq=1481935911 win=1024 <mss 1460>