what port is used by the imapv4 protocol
Internet Message Access Protocol IMAP was designed with the goal of permitting complete management of an email box by multiple email clients, therefore clients generally leave messages on the server until the user explicitly deletes them. An IMAP server typically listens on port number 143. IMAP over SSL (IMAPS) is assigned the port number 993.
Denial-of-service attack A wide array of programs are used to launch DoS-attacks.
IPv4 An IP packet consists of a header section and a data section.
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