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User name okay, password needed. 332: No need account for login. 334: Server accepts the security mechanism specified by the client; some security data needs to be exchanged. 336: Username okay, password okay. Challenge is "....". 421: Service available, closing control connection. This may be a reply to any command if the service knows it must ...
This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. [2]A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD.
The Basic Status Codes have been in SMTP from the beginning, with RFC 821 in 1982, but were extended rather extensively, and haphazardly so that by 2003 RFC 3463 rather grumpily noted that: "SMTP suffers some scars from history, most notably the unfortunate damage to the reply code extension mechanism by uncontrolled use.
Authentication password. PASV RFC 959 Enter passive mode. PBSZ RFC 2228 Protection Buffer Size PORT RFC 959 Specifies an address and port to which the server should connect. PROT RFC 2228 Data Channel Protection Level. PWD RFC 959 Print working directory. Returns the current directory of the host. QUIT RFC 959 Disconnect. REIN RFC 959
For secure transmission that protects the username and password, and encrypts the content, FTP is often secured with SSL/TLS or replaced with SSH File Transfer Protocol (SFTP). The first FTP client applications were command-line programs developed before operating systems had graphical user interfaces , and are still shipped with most Windows ...
Two separate methods were developed to invoke client security for use with FTP clients: Implicit and Explicit.While the implicit method requires that a Transport Layer Security is established from the beginning of the connection, which in turn breaks the compatibility with non-FTPS-aware clients and servers, the explicit method uses standard FTP protocol commands and replies in order to ...
2221: Unofficial: ESET anti-virus updates [128] 2222 Yes: EtherNet/IP implicit messaging for IO data Unofficial: DirectAdmin Access [168] 2222–2226: Yes: ESET Remote administrator [128] 2240: Yes: General Dynamics Remote Encryptor Configuration Information Protocol (RECIPe) 2261: Yes: CoMotion master 2262: Yes: CoMotion backup 2302 Unofficial ...
Archie first appeared in 1986, while Emtage was the systems manager at the McGill University School of Computer Science.His predecessor had attempted to persuade the institution to connect to the Internet, but due to the expensive cost — roughly $35,000 per year for a sluggish link to Boston — it had been challenging to persuade the appropriate parties that the investment was worthwhile.