+.B nomppe\-40
+Disable 40-bit encryption with MPPE.
+.TP
+.B nomppe\-128
+Disable 128-bit encryption with MPPE.
+.TP
+.B nomppe\-stateful
+Disable MPPE stateful mode. This is the default.
+.TP
+.B nompshortseq
+Disables the use of short (12-bit) sequence numbers in the PPP
+multilink protocol, forcing the use of 24-bit sequence numbers. This
+option is currently only available under Linux, and only has any
+effect if multilink is enabled.
+.TP
+.B nomultilink
+Disables the use of PPP multilink. This option is currently only
+available under Linux.
+.TP
+.B nopcomp
+Disable protocol field compression negotiation in both the receive and
+the transmit direction.
+.TP
+.B nopersist
+Exit once a connection has been made and terminated. This is the
+default unless the \fIpersist\fR or \fIdemand\fR option has been
+specified.
+.TP
+.B nopredictor1
+Do not accept or agree to Predictor\-1 compression.
+.TP
+.B noproxyarp
+Disable the \fIproxyarp\fR option. The system administrator who
+wishes to prevent users from creating proxy ARP entries with pppd can
+do so by placing this option in the /etc/ppp/options file.
+.TP
+.B noremoteip
+Allow pppd to operate without having an IP address for the peer. This
+option is only available under Linux. Normally, pppd will request the
+peer's IP address, and if the peer does not supply it, pppd will not
+bring up the link for IP traffic. With this option, if the peer does
+not supply its IP address, pppd will not ask the peer for it, and will
+not set the destination address of the ppp interface. In this
+situation, the ppp interface can be used for routing by creating
+device routes, but the peer itself cannot be addressed directly for IP
+traffic.
+.TP
+.B notty
+Normally, pppd requires a terminal device. With this option, pppd
+will allocate itself a pseudo-tty master/slave pair and use the slave
+as its terminal device. Pppd will create a child process to act as a
+`character shunt' to transfer characters between the pseudo-tty master
+and its standard input and output. Thus pppd will transmit characters
+on its standard output and receive characters on its standard input
+even if they are not terminal devices. This option increases the
+latency and CPU overhead of transferring data over the ppp interface
+as all of the characters sent and received must flow through the
+character shunt process. An explicit device name may not be given if
+this option is used.
+.TP
+.B novj
+Disable Van Jacobson style TCP/IP header compression in both the
+transmit and the receive direction.
+.TP
+.B novjccomp
+Disable the connection-ID compression option in Van Jacobson style
+TCP/IP header compression. With this option, pppd will not omit the
+connection-ID byte from Van Jacobson compressed TCP/IP headers, nor
+ask the peer to do so.
+.TP
+.B papcrypt
+Indicates that all secrets in the /etc/ppp/pap\-secrets file which are
+used for checking the identity of the peer are encrypted, and thus
+pppd should not accept a password which, before encryption, is
+identical to the secret from the /etc/ppp/pap\-secrets file.
+.TP
+.B pap\-max\-authreq \fIn
+Set the maximum number of PAP authenticate-request transmissions to
+\fIn\fR (default 10).
+.TP
+.B pap\-restart \fIn
+Set the PAP restart interval (retransmission timeout) to \fIn\fR
+seconds (default 3).
+.TP
+.B pap\-timeout \fIn
+Set the maximum time that pppd will wait for the peer to authenticate
+itself with PAP to \fIn\fR seconds (0 means no limit).
+.TP
+.B pass\-filter \fIfilter\-expression
+Specifies a packet filter to applied to data packets being sent or
+received to determine which packets should be allowed to pass.
+Packets which are rejected by the filter are silently discarded. This
+option can be used to prevent specific network daemons (such as
+routed) using up link bandwidth, or to provide a very basic firewall
+capability.
+The \fIfilter\-expression\fR syntax is as described for tcpdump(1),
+except that qualifiers which are inappropriate for a PPP link, such as
+\fBether\fR and \fBarp\fR, are not permitted. Generally the filter
+expression should be enclosed in single-quotes to prevent whitespace
+in the expression from being interpreted by the shell. Note that it
+is possible to apply different constraints to incoming and outgoing
+packets using the \fBinbound\fR and \fBoutbound\fR qualifiers. This
+option is currently only available under Linux, and requires that the
+kernel was configured to include PPP filtering support (CONFIG_PPP_FILTER).
+.TP
+.B password \fIpassword\-string
+Specifies the password to use for authenticating to the peer. Use
+of this option is discouraged, as the password is likely to be visible
+to other users on the system (for example, by using ps(1)).