G
Guest
Does anyone know what pinging another computer means. I think that it is
connecting to another computer?
connecting to another computer?
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D
Danny Deger
Bjorn said:Does anyone know what pinging another computer means. I think that it is
connecting to another computer?
--
It is a command to test if two computers can talk to each other. Get to the
command line and type "ping" then the IP address. If the computers can talk
to each other you will get back a successful response.
Danny Deger
B
Bob Harris
"ping" is a very old, very fundamental test of minimal communication between
two computers, or computer-like devices. It is executed from a command
prompt, either DOS, windows, LINUX, UNIX, etc. If you type "ping /?" at a
windows command prompt, it will provide addtional info. If UNIX/LINUX, type
"man ping". In both cases, do not type the quotation marks.
The most direct way to use ping is with the IP address.
However, on many networks one can ping a more human-understandable text
string, such as a web address. That requires having a DNS server to
translate name to IP for you. All ISPs run such servers, since that is
required for web browsing using addresses like www.xxx.com, etc.
Note that some devices will refuse to respond to a ping, since it could be
interpretted as beginnings of an attack by some hacker.
If dealling with computers (vs network printers for example), the next level
of communication might be a telnet session or ftp, also run from a command
prompt. For those you will general need a user and password on the remote
computer.
Above that are the more common, and user-friendlier, communications, such as
http, or web browsing. By the way, many browsers will also support an
advanced ftp that allows drag&drop, almost like the remote compute was a
hard drvie connected to your computer.
two computers, or computer-like devices. It is executed from a command
prompt, either DOS, windows, LINUX, UNIX, etc. If you type "ping /?" at a
windows command prompt, it will provide addtional info. If UNIX/LINUX, type
"man ping". In both cases, do not type the quotation marks.
The most direct way to use ping is with the IP address.
However, on many networks one can ping a more human-understandable text
string, such as a web address. That requires having a DNS server to
translate name to IP for you. All ISPs run such servers, since that is
required for web browsing using addresses like www.xxx.com, etc.
Note that some devices will refuse to respond to a ping, since it could be
interpretted as beginnings of an attack by some hacker.
If dealling with computers (vs network printers for example), the next level
of communication might be a telnet session or ftp, also run from a command
prompt. For those you will general need a user and password on the remote
computer.
Above that are the more common, and user-friendlier, communications, such as
http, or web browsing. By the way, many browsers will also support an
advanced ftp that allows drag&drop, almost like the remote compute was a
hard drvie connected to your computer.
S
sam
Does anyone know what pinging another computer means. I think that it is
connecting to another computer?
think of a WWII submarine movie - the active sonar pinging to see if
another sub is out there.
Then consider that the other sub (equivalent to the target host on the
internet) might want to hide itself. On a computer, a "packet-dropping
firewall" can do that. You can think of that as sci-fi style "cloaking". So
pinging and making a connection are not necessarily related anymore.
A famous firewall testing site is grc.com. They also have well-done
beginner audios on security that are archived there.