What is OOB message?
What is OOB message?
The stream socket abstraction includes out-of-band data. Out-of-band data is a logically independent transmission channel between a pair of connected stream sockets. This message can contain at least one byte of data, and at least one message can be pending delivery at any time. …
What is OOB channel?
Out-of-band (OOB) refers to a separate communication channel severed from the primary in-band channel over which the actual network communication occurs [11, 19]. OOB channel provides robustness against attacks by introducing a second, independent communication channel.
What is out of bound data?
In computer networking, out-of-band data is the data transferred through a stream that is independent from the main in-band data stream. An out-of-band data mechanism provides a conceptually independent channel, which allows any data sent via that mechanism to be kept separate from in-band data.
What means out-of-band?
Out-of-band is activity outside a defined telecommunications frequency band, or, metaphorically, outside some other kind of activity.
What is Inband and outband signaling?
In telecommunications, in-band signaling is the sending of control information within the same band or channel used for data such as voice or video. This is in contrast to out-of-band signaling which is sent over a different channel, or even over a separate network.
What is out of bank authentication?
Out-of-band authentication is a type of two-factor authentication (2FA) that requires a secondary verification method through a separate communication channel. Out-of-band (OOB) authentication is used by financial institutions and other organizations with high security requirements to prevent unauthorized access.
What is the primary purpose of out-of-band signaling?
The primary function of the OOB protocol is to establish and maintain an OOB channel that carries signaling messages for exchanging of the signaling information. A network using the OOB protocol consists of a control server, a headend, and STBs.
What is Oob switch used for?
Out-of-band (OOB) management is a method of remotely controlling and managing critical IT assets and network equipment using a secure connection through a secondary interface that is physically separate from the primary network connection. This enables administrators to gain control even during infrastructure faults.
What is an out of band payment?
Out-of-band authentication is a type of two-factor authentication that requires a secondary verification method through a separate communication channel along with the typical ID and password. Out-of-band authentication is often used in financial institutions and other organizations with high security requirements.
What is the difference between in-band and out of band management?
While In-Band Management is the ability to administer a network via the LAN, Out-of-Band Management is a solution that provides a secure dedicated alternate access method into an IT network infrastructure to administer connected devices and IT assets without using the corporate LAN.
Why is MSG _ OOB not supported in Win32?
MSG_OOB was specified, but the socket is not stream-style such as type SOCK_STREAM, OOB data is not supported in the communication domain associated with this socket, or the socket is unidirectional and supports only send operations.
How to receive a message from a socket?
For error receives, the MSG_ERRQUEUE flag is set in the msghdr . After an error has been passed, the pending socket error is regenerated based on the next queued error and will be passed on the next socket operation. This flag requests receipt of out-of-band data that would not be received in the normal data stream.
What is the MSG _ flags field in recvmsg ( )?
The msg_flags field in the msghdr is set on return of recvmsg (). It can contain several flags: MSG_EOR indicates end-of-record; the data returned completed a record (generally used with sockets of type SOCK_SEQPACKET ).
When to use MSG _ waitall in Linux 2.2?
MSG_WAITALL (since Linux 2.2) This flag requests that the operation block until the full request is satisfied. However, the call may still return less data than requested if a signal is caught, an error or disconnect occurs, or the next data to be received is of a different type than that returned.