5. Addressing

In an address field (DST.ADDR, BND.ADDR), the ATYP field specifies the type of address contained within the field:

• X'01'

the address is a version-4 IP address, with a length of 4 octets

• X'03'

the address field contains a fully-qualified domain name. The first octet of the address field contains the number of octets of name that follow, there is no terminating NUL octet.

• X'04'

the address is a version-6 IP address, with a length of 16 octets.

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