- Qt 5.15
- Qt Network
- Network Programming API
- Qt 5.15.15 Reference Documentation

# Network Programming API

QAbstractSocket | The base functionality common to all socket types
QAuthenticator | Authentication object
QDnsDomainNameRecord | Stores information about a domain name record
QDnsHostAddressRecord | Stores information about a host address record
QDnsLookup | Represents a DNS lookup
QDnsMailExchangeRecord | Stores information about a DNS MX record
QDnsServiceRecord | Stores information about a DNS SRV record
QDnsTextRecord | Stores information about a DNS TXT record
QDtls | This class provides encryption for UDP sockets
QDtlsClientVerifier | This class implements server-side DTLS cookie generation and verification
QDtlsClientVerifier::GeneratorParameters | This class defines parameters for DTLS cookie generator
QHostAddress | IP address
QHostInfo | Static functions for host name lookups
QHstsPolicy | Specifies that a host supports HTTP Strict Transport Security policy (HSTS)
QHttp2Configuration | Controls HTTP/2 parameters and settings
QHttpMultiPart | Resembles a MIME multipart message to be sent over HTTP
QHttpPart | Holds a body part to be used inside a HTTP multipart MIME message
QNetworkAccessManager | Allows the application to send network requests and receive replies
QNetworkAddressEntry | Stores one IP address supported by a network interface, along with its associated netmask and broadcast address
QNetworkDatagram | The data and metadata of a UDP datagram
QNetworkInterface | Listing of the host's IP addresses and network interfaces
QNetworkProxy | Network layer proxy
QNetworkProxyFactory | Fine-grained proxy selection
QNetworkReply | Contains the data and headers for a request sent with QNetworkAccessManager
QNetworkRequest | Holds a request to be sent with QNetworkAccessManager
QOcspResponse | This class represents Online Certificate Status Protocol response
QSctpServer | SCTP-based server
QSctpSocket | SCTP socket
QSsl | Declares enums common to all SSL classes in Qt Network
QSslCertificate | Convenient API for an X509 certificate
QSslCertificateExtension | API for accessing the extensions of an X509 certificate
QSslCipher | Represents an SSL cryptographic cipher
QSslConfiguration | Holds the configuration and state of an SSL connection
QSslDiffieHellmanParameters | Interface for Diffie-Hellman parameters for servers
QSslEllipticCurve | Represents an elliptic curve for use by elliptic-curve cipher algorithms
QSslError | SSL error
QSslKey | Interface for private and public keys
QSslPreSharedKeyAuthenticator | Authentication data for pre shared keys (PSK) ciphersuites
QSslSocket | SSL encrypted socket for both clients and servers
QTcpServer | TCP-based server
QTcpSocket | TCP socket
QUdpSocket | UDP socket
QDtls::HandshakeState | Describes the current state of DTLS handshake
QDtls::QDtlsError | Describes errors that can be found by QDtls and QDtlsClientVerifier
QOcspResponse::QOcspCertificateStatus | Describes the Online Certificate Status
QOcspResponse::QOcspRevocationReason | Describes the reason for revocation