fragmented IPv4 packet to IPv6 packet.
IPv4 packet which is involved in ICMPv4. This is an addition of modification that was not enough in improvement of natpt_trans.c (revisino 1.145), et al.
ESP authentication data.
…minimum prefixes lifetime)
table entry. - Remove fragment information table when corresponding tSlot table is removed.
to avoid consequences with ftpd.
(ftpd control connections goes successful, then no data connection possible)