get_antifilter()
{
 # $1 - list url
 # $2 - target file
 local ZIPLISTTMP="$TMPDIR/zapret-ip.txt"

 [ "$DISABLE_IPV4" != "1" ] && {
  curl --fail --max-time 150 --connect-timeout 20 --max-filesize 41943040 -k -L "$1" | cut_local >"$ZIPLISTTMP" &&
  {
   dlsize=$(LC_ALL=C LANG=C wc -c "$ZIPLISTTMP" | xargs | cut -f 1 -d ' ')
   if [ $dlsize -lt 102400 ]; then
    echo list file is too small. can be bad.
    exit 2
   fi
   ip2net4 <"$ZIPLISTTMP" | zz "$2"
   rm -f "$ZIPLISTTMP"
  }
 }
}