This manual page describes the pon, plog and poff scripts, which
allow users to control PPP connections.
ponpon, invoked without arguments, runs the /etc/ppp/ppp_on_boot
file, if it exists and is executable. Otherwise, a PPP connection
will be started using configuration from /etc/ppp/peers/provider.
This is the default behaviour unless an isp-name argument is
For instance, to use ISP configuration "myisp" run:
pon will then use the options file /etc/ppp/peers/myisp. You can
pass additional options after the ISP name, too. pon can be used
to run multiple, simultaneous PPP connections.
poffpoff closes a PPP connection. If more than one PPP connection
exists, the one named in the argument to poff will be killed,
will terminate the connection to myprovider2, and leave the PPP
connections to e.g. "myprovider1" or "myprovider3" up and
poff takes the following command line options:
-r causes the connection to be redialed after it is
-d toggles the state of pppd's debug option.
-c causes pppd(8) to renegotiate compression.
-a stops all running ppp connections. If the argument
isp-name is given it will be ignored.
-h displays help information.
-v prints the version and exits.
If no argument is given, poff will stop or signal pppd if
and only if there is exactly one running. If more than one
connection is active, it will exit with an error code of
plogplog shows you the last few lines of /var/log/ppp.log. If that
file doesn't exist, it shows you the last few lines of your
/var/log/syslog file, but excluding the lines not generated by
pppd. This script makes use of the tail(1) command, so arguments
that can be passed to tail(1) can also be passed to plog.
Note: the plog script can only be used by root or another system
administrator in group "adm", due to security reasons. Also, to
have all pppd-generated information in one logfile, that plog can
show, you need the following line in your /etc/syslog.conf file:
PPPd system options file.
System PAP passwords file.
System CHAP passwords file.
Directory holding the peer options files. The default file
is called provider.
The chat script invoked from the default
The default PPP log file.
The p-commands were written by Christoph Lameter
<firstname.lastname@example.org>. Updated and revised by Philip Hands
This manual was written by Othmar Pasteka <email@example.com>.
Modified by Rob Levin <firstname.lastname@example.org>, with some
extensions taken from the old p-commands manual written by John
This page is part of the ppp (An implementation of the Point-to-
Point Protocol (PPP)) project. Information about the project can
be found at ⟨https://ppp.samba.org/⟩. If you have a bug report
for this manual page, see
⟨https://github.com/paulusmack/ppp/issues⟩. This page was
obtained from the project's upstream Git repository
⟨https://github.com/paulusmack/ppp⟩ on 2023-06-23. (At that
time, the date of the most recent commit that was found in the
repository was 2023-05-01.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
Debian Project July 2000 PON(1)