I love MacPPP (or FreePPP, which is the same thing, only better). This is a very
nice implementation of PPP mainly because it's completely free. It has been kind of a
group effort on the part of the Mac net community and has matured into a very quick,
compact and (relatively) reliable implementation that rivals many commercial programs
(which pleases the conglomerates to no end, I'm sure). Unfortunately, over time it has
evolved into a dozen different versions by a dozen different people, each one with its own
strengths and weaknesses. I'm not sure what version you have, so I'll take the Easy Way
Out and only cover the version I have (FreePPP 1.0.x). There should, however, be strong
similarities between it and whatever version you're using.

At first glance, its interface looks pretty miserable. Its windows are full of buttons
and dohickies and such that, while great for impressing your friends or co- workers, are
decidly on the far side of "simple". Luckily for us, we can ignore a good two
thirds of them. The only ones we really have to deal with are the "Config..."
button, the "Open" button, and the two close buttons. (Note: you may only have
one close button. This simply means that you have one of the newer incarnations of MacPPP.
In any event, don't worry about it (my Motto of the Day, apparently :)).
The PPP Up/Down Icon
This is something I hear about all the time. "Help! My Mac says that there's a
problem with PPP! It says PPP is "down!"" This icon simply means that you
aren't currently connected to the Internet. It isn't an error message at all...
The Port Name Popup
Both the printer port and the modem port on a Mac can be connected to a modem (don't
ask me why). This is simply a way of telling MacPPP which one you're using.
The Idle Time Popup
Automatically terminate the connection if you don't do anything Internet-related for X
minutes.
The Echo Interval Popup
When this is on MacPPP checks to make sure nothing has happened to the server every X
minutes. Sorta like a neurosis for your Mac.
The Close Button
This closes the connection. This is the same as the "Soft Close" button in
other versions (the "Hard Close" is rendered obsolete by the "Disable
Auto-Connect" button in FreePPP).
The Open Button
Take a wild guess...
The New Button
This is used only if you sport more than one Internet connection. It allows you to use
multiple configurations, so you can switch between them. If you,like most people, only
have one then just ignore this.
The Delete Button
Same thing in reverse.
The Config Button
Lets you configure your setup. I'll talk about this in a minute.
Disable Auto-Connect Checkbox
This allows you to shut off probably the least polished of MacPPP, auto-connect.
Whenever you launch Netscape or Eudora and the software magically connects without you
ever having to click the "Open" button, you have auto-connected. Convienient,
yes, but also the source one of the most lucrative markets for headache pill
manufacturers. Every once and a while MacPPP and Netscape (or Eudora, or another program)
will have a disagreement. Netscape requests a connection, MacPPP starts dialing. Netscape
gets bored and wanders off to play with its floating point functions or something, leaving
an irate and overworked MacPPP holding the bag. MacPPP decides the hell with this, it sure
isn't going to be given the runaround by such a jackass of a program and refuses to do any
more work. The upshot of this is that you get a dead connection that does less than the
senate during a football game. While this may sound bad, it isn't the worst thing that can
happen with auto-connect: Sometimes it actually connects of its own accord for no
apparent reason. Although it may seem odd, there is an explanation: After constant
harrassment by programs such as Eudora (we might as well rotate our villains here) it is
naturally quite sensitive about the quality of its work. If a completely innocent
application such as Word (a decidedly offline program, even if it does seem large enough
to contain a complete set of navigational algorithms for the moon lander) so much as looks
in its direction it goes on the defensive and decides to prove, once and for all, that
Word's opinion of its service is unjustified. Before you can say "I hate
Micro$loth" you have a fast, top-notch and completely unwanted connection to the net.
Although this can be a great excuse for indulging in a few hours on IRC, it can also mean
trouble if you happen to be away from your Mac and your Captain Kirk screensaver starts
acting nosy. This is sometimes referred to by the people who sit in dark, smoke-filled
rooms who come up with all the interesting and trendy names for this sort of thing as
Phantom Dialing (the surprise-connect bit, not Captain Kirk). Because of the
aforementioned reasons I would leave this button checked, although the choice is up to
you.
Terminal Window Checkbox
If this is checked you have to connect to the server with the standard terminal
(BBS-style) window. Use this only if you have a problem logging in. Leave it unchecked for
normal use.
Hangup on Close Checkbox
I have no idea what this one is supposed to do and frankly, I don't care. It doesn't
seem to make a bit of difference either way. Do what you like with it...
Quiet Mode Checkbox
Supposedly makes the modem shriek more softly. Doesn't do much for me..
Long Redial Delay Checkbox
I suppose that when this is checked the modem waits a second before redialing. As I
have only once in the entire time I've been connected through VCS have I encountered a
busy signal, this will make no difference whatsoever.
The Server Popup
This is used to switch between multiple Internet connections. You probably won't need
to use it.