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This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for bidirectional traffic. TCP usually uses port numbers that match the services of the corresponding UDP implementations, if they exist, and vice versa.
This is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header. It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header. Both fields are eight bits wide.
Creating a TCP socket with a call to socket(). Binding the socket to the listening port bind() after setting the port number. Preparing the socket to listen for connections (making it a listening socket), with a call to listen(). Accepting incoming connections (accept()). This blocks the process until an incoming connection is received, and ...
In this context, a socket is externally identified to other hosts by its socket address, which is the triad of transport protocol, IP address, and port number. The term socket is also used for the software endpoint of node-internal inter-process communication (IPC), which often uses the same API as a network socket.
That RFC also defines a SIP Parameters Internet Assigned Numbers Authority (IANA) registry to allow other RFC to provide more response codes. [1]: §27 [2] This list includes all the SIP response codes defined in IETF RFCs and registered in the SIP Parameters IANA registry as of 27 January 2023. This list also includes SIP response codes ...
File descriptors for a single process, file table and inode table. Note that multiple file descriptors can refer to the same file table entry (e.g., as a result of the dup system call [3]: 104 ) and that multiple file table entries can in turn refer to the same inode (if it has been opened multiple times; the table is still simplified because it represents inodes by file names, even though an ...
Printable version; In other projects ... Below is a list of all known return codes that may be issued by an FTP server. ... (for example, file transfer or file abort ...
Unsigned 32-bit number that is used in every SCTP packet in the verification tag within the common header. Advertised receiver window credit (a_rwnd) Amount of dedicated buffer space for this association that should never be reduced. # of outbound streams Number of outbound streams (from the sender of the INIT) it wishes to use for this ...