CLIENT_HELLO_T

Last published : Oct 30, 2026
Client Hello SSL
This topic lists the expressions that are provided by this class.
CIPHERS
Returns the supported ciphers proposed by the client in the client hello message.
Returns: cipher_t
CLIENT_VERSION
Returns the version from the message-header of the client hello message.
Returns: num_at
IS_RENEGOTIATE
Returns true if renegotiation is initiated in ongoing SSL session, else returns false.
Returns: bool_at
IS_REUSE
Returns true if reuse is proposed by client, else returns false.
Returns: bool_at
IS_SCSV
Returns true if in client hello SCSV (Signalling Cipher Suite Value) is advertised, else returns false.
SCSV prevents protocol downgrade attack.
Returns: bool_at
IS_SESSION_TICKET
Returns true if in client hello session ticket is advertised, else returns false.
Returns: bool_at
LENGTH
Returns the length in the message-header of the client hello message.
Returns: num_at
SNI
Returns SNI from CLIENT HELLO
In the case of non-SSL transaction or error in client hello, returns
an empty string.
Returns: ssl_text_t