Internet Questions and Answers
The FTP or the File Transfer Protocol is a kind of protocol being used for transferring files in between devices directly on the internet. It is somewhat useful for those of the larger files and is somewhat robust and capable than those of the HTTP. Well, the HTTP is only used for delivering the web pages as well as the smaller files from the server up to a client in terms of web browsers. For the reason that no special browser is needed, the FTP is far more universal. The entire operating systems you know simply lets FTP file transfers directly from the line of command. However, the graphical programs of the FTP exist and it assists in organizing and facilitating the file transfers between the servers or the clients or even between the network servers, FTP assists the webmasters to publish the files driving the internet.
In order to transfer a certain file from the client to a server or to download a certain file from the server to the computer, the user needs to authenticate or mainly identify himself, most especially when logging on to the FTP kind of transfer or even modify many files as needed. The process of authentication also lets the remote host to set up proper file permissions, keeping up the users from viewing the files or directories in which they do not have any access.
Tags: Protocols
The ARP or the Address Resolution Protocol simply enables the IP data packaging to the Ethernet packages. It is even the system as well as the messaging protocol being used to find the hardware address or the Ethernet from a certain number of the Internet Protocol. Without this kind of protocol, the Ethernet package is not able to be generated from the IP package, since the Ethernet address could not be determined that well.
On the other hand, the RARP or the Reverse Address Resolution Protocol is being used to let the computer even without any sort of local permanent data storage media in order to know the IP address from the Ethernet address.
The difference with these two is that, the ARP is being used for mapping the IP network to the hardware address using the data link protocol. The RARP is then a kind of protocol that uses which the physical device on the LAN could appeal in order to find the IP address of the table or cache of the ARP from the gateway server. Thus, the IP address of the destination into the physical address conversation is being done by the ARP by means of LAN broadcasting. However, the physical address of the source for the IP address conversion is being done by RARP.
Tags: Protocols
The DNS or the Domain Name System is being used in resolving the hostnames that are readable by humans into the machine readable, which is the IP addresses. The DNS is also something that provides other information about the domain names just like the mail services. The only thing is that, why is DNS essential and how does it really work? Do everybody needs to know this thing?
Actually, the DNS is just like a phone book over the internet. If in case you know the name of the person, yet you do not know their phone number, you could just look up for it in the phone book. This works just like the same as the DNS, but the difference is that, it works on the internet. So, how does DNS works? Well, when you visit a domain, your computer will follow a series of steps that would turn up the human-readable web address into the machine-readable IP address. It actually happens each time that you are using up your domain name, whether you are viewing websites, listening to radio stations online and sending out your emails. Knowing more about the DNS and on how it really works could surely help you out.
