Hello there, In this post on Solsarin we’re mentioning “mget ascii lcd and mkdir are examples of what?”
| | “Virender
The File Transfer Protocol (FTP) is a standard communication protocol used for the transfer of computer files from a server to a client on a computer network. FTP is built on a client–server model architecture using separate control and data connections between the client and the server. FTP users may authenticate themselves with a clear-text sign-in protocol, normally in the form of a username and password, but can connect anonymously if the server is configured to allow it. For secure transmission that protects the username and password, and encrypts the content, FTP is often secured with SSL/TLS (FTPS) 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, Unix, and Linux operating systems. Many FTP clients and automation utilities have since been developed for desktops, servers, mobile devices, and hardware, and FTP has been incorporated into productivity applications, such as HTML editors.
In July 2021, Firefox 90 dropped FTP entirely. In October 2021, Google Chrome 95 is planned to remove FTP support entirely.
There are actually two commands: mput and mget. The difference between
these two is the direction of information flow. If you are on the
windows box and trying to send files to a unix system via ftp, you need
to use mput (you want to put these files on the unix box). If you are
on the windows box, and want to retrieve files from the unix system via
ftp, you need to use mget.
If you are familiar with the ftp put and get commands, the only syntax
difference is you can use wildcards in mput and mget.
This will prompt you for each file, asking do you want to copy it or not.
To turn off this prompt issue the >prompt command before the >mget.
Also check if the files are binary or ascii and change the file type
accordingly with >bi before the >mget.
History of FTP servers
The original specification for the File Transfer Protocol was written by Abhay Bhushan and published as RFC 114 on 16 April 1971. Until 1980, FTP ran on NCP, the predecessor of TCP/IP. The protocol was later replaced by a TCP/IP version, RFC 765 (June 1980) and RFC 959 (October 1985), the current specification. Several proposed standards amend RFC 959, for example RFC 1579 (February 1994) enables Firewall-Friendly FTP (passive mode), RFC 2228 (June 1997) proposes security extensions, RFC 2428 (September 1998) adds support for IPv6 and defines a new type of passive mode.
You can also use ftp -niv <host_name or IP> for opening a FTP
session. This will also not ask you for inputs. This too
dissables the Interactive mode. Do remember to transfer files in
BINARY mode when transfering cross platform. If required you can
use dos2unix for removing ^M characters later on unix platform
after FTP….Hope this helps.
Try following steps:
0. rum command in windows machine (i.e. from dos prompt do following)
1. Goto directory where u want to get the files ( say cd c:/temp )
2. From there ftp UNIX_MACHINE (ftp 126.96.36.199)
3. enter user name and passwd
4. ftp>bin (to get the files in binary form)
5. ftp>prompt [to off the prompt ( it will not ask u any thing…as for
6. ftp>cd PATH_NAME ( from u have to get the files say /USER/temp)
7. ftp>mget *
8. Afer executing this it shows the success message
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There are several different ways an FTP server and client software can conduct a file transfer using FTP:
- Anonymous FTP. This is the most basic form of FTP. It provides support for data transfers without encrypting data or using a username and password. It’s most commonly used for download of material that is allowed for unrestricted distribution. It works on port
- Password-protected FTP. This is also a basic FTP service, but it requires the use of a username and password, though the service might not be encrypted or secure. It also works on port 21.
- FTP Secure (FTPS). Sometimes referred to as FTP Secure Sockets Layer (FTP-SSL), this approach enables implicit Transport Layer Security (TLS) as soon as an FTP connection is established. FTPS was initially used to help enable a more secure form of FTP data transfer. It typically defaults to using port 990.
- FTP over explicit SSL/TLS (FTPES). This approach enables explicit TLS support by upgrading an FTP connection over port 21 to an encrypted connection. This is a commonly used approach by web and file sharing services to enable secure file transfers.
- Secure FTP (SFTP). This is technically not an FTP protocol, but it functions similarly. Rather, SFTP is a subset of the Secure Shell (SSH) protocol that runs over port 22. SSH is commonly used by systems administrators to remotely and securely access systems and applications, and SFTP provides a mechanism within SSH for secure file transfer.
These include versions that encrypt via an implicit TLS connection (FTPS) or explicit TLS connection (FTPES) or that work with SFTP.
By default, FTP does not encrypt traffic, and individuals can capture packets to read usernames, passwords and other data. By encrypting FTP with FTPS or FTPES, data is protected, limiting the ability of an attacker to eavesdrop on a connection and steal data.
FTP may still be vulnerable to brute-force attacks against user/password authentication spoofing, an FTP bounce attack or a distributed denial-of-service attack.
The following statements are checked and processed:
|# or ; or *||Indicates a comment line.|
|ASCII||Specifies that the transfer is in ASCII mode.|
|BINARY||Specifies that the transfer is in BINARY mode.|
|BYE||Ends the FTP session. If MFFTP does not find a BYE statement, it inserts one.|
|CD||Changes directory on remote machine. MFFTP performs a check that “spacey” directory names have been double quoted. If not then it will surround it in double quotes. If single quotes have been used they are replaced with double quotes.|
When this is executed, the local name, which would be a mainframe style name, is converted to native format.
If the file does not exist, it is cataloged with the current values as shown by LOCSTat.
If the file already exists within the catalog, the REPlace option must be used, and the existing catalog attributes will be used and the existing file overwritten.
|LCD||Changes the directory on the local machine. MFFTP performs a check for “spacey” directory names in the same way that CD does.|
Many of the options of LOCSIte are not relevant to the Enterprise Developer
environment and are ignored.
The following options are supported:
|LOCSTat||Provides a list of the current settings.|
|MFFTP_VARS||Lists the current settings of all MFFTP variables.|
In order to obtain the list of files to be transferred and cataloged, the utility will attempt to connect to the server to produce a list of matches.
This list will be used to create a series of simple GET statements.
|MPUT||The catalog will be scanned to obtain a list of the files that match the filter criteria. A simple PUT will be created for each file that matches the criteria.|
If used, this must be the first statement.
If the OPEN statement has an IP address or host name, this will be overridden by any on the EXEC statement.
|PROMPT||By default, MGET or MPUT prompts for confirmation. If no PROMPT is seen before an MGET or MPUT is encountered, one will be inserted before and after the generated simple statements.|
|PUT||When this is executed, MFFTP converts the local name, which would be a mainframe style name, to native format.|
|QUIT||Equivalent to BYE.|
The distributed platform expects ASCII or BINARY, while the mainframe allows A (ASCII) and I (BINARY).
MFFTP changes the command as appropriate for the respective platform. Using other values causes an error.
|USER||MFFTP requires that you specify a user. If the keyword “USER” is not seen, it is assumed to be either the first (if no OPEN statement found) or second (if OPEN statement found) statement.|