if (!$opts{version} || $opts{version} == 2) {
@preamble = (
"\x0D\x0A\x0D\x0A\x00\x0D\x0A\x51\x55\x49\x54\x0A", # 12 byte v2 header
- "\x02", # declares v2
- "\x01", # connection is proxied
+ "\x21", # top 4 bits declares v2
+ # bottom 4 bits is command
$opts{6} ? "\x21" : "\x11", # inet6/4 and TCP (stream)
- $opts{6} ? "\x24" : "\x0b", # 36 bytes / 12 bytes
+ $opts{6} ? "\x00\x24" : "\x00\x0b", # 36 bytes / 12 bytes
$source_ip,
$dest_ip,
$source_port,