pub struct Flags {
pub qr: QueryResponse,
pub opcode: OpCode,
pub aa: AuthoritativeAnswer,
pub tc: TrunCation,
pub rd: RecursionDesired,
pub ra: RecursionAvailable,
pub z: Zero,
pub ad: AuthenticData,
pub cd: CheckingDisabled,
pub rcode: ResponseCode,
}Expand description
DNS Flags
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|QR| Opcode |AA|TC|RD|RA| Z|AD|CD| RCODE |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
QR: Query (0) or Response (1)
OPCODE: Standard query (0), Inverse query (1), Server status query (2), Notify (4), Update (5), DSO (6)
AA: Authoritative Answer
TC: TrunCation
RD: Recursion Desired
RA: Recursion Available
Z: Zero (reserved)
AD: Authentic data (for DNSSEC)
AD: Checking disabled (for DNSSEC)
RCODE: Response code NOERROR (0), FORMERR (1), SERVFAIL (2), NXDOMAIN (3), NOTIMP (4), REFUSED (5)Fields§
§qr: QueryResponseQuery (0) or Response (1)
opcode: OpCodeStandard query (0), Inverse query (1), Server status query (2), Notify (4), Update (5), DSO (6)
aa: AuthoritativeAnswerThe answer is authoritative.
tc: TrunCationThe packet has been truncated.
rd: RecursionDesiredThe client desires recursion.
ra: RecursionAvailableThe server has recursion availbale.
z: ZeroReserved (has to be 0).
ad: AuthenticDataAuthentic data (for DNSSEC)
cd: CheckingDisabledChecking disabled (for DNSSEC)
rcode: ResponseCodeResponse code NOERROR (0), FORMERR (1), SERVFAIL (2), NXDOMAIN (3), NOTIMP (4), REFUSED (5)
Trait Implementations§
impl Copy for Flags
impl Eq for Flags
impl StructuralPartialEq for Flags
Auto Trait Implementations§
impl Freeze for Flags
impl RefUnwindSafe for Flags
impl Send for Flags
impl Sync for Flags
impl Unpin for Flags
impl UnwindSafe for Flags
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more