Effects of Option Privileges (System Administration Guide: Network Services)

System Administration Guide: Network Services

Effects of Option Privileges

Some options require the invoking user or source to be privileged in order to work. Options that are invoked on the command line are assigned the privileges of the user who is running the pppd command. These options are not privileged unless the user who is invoking pppd is root.

Option	Status	Explanation
`domain`	Privileged	Requires privileges for use.
`linkname`	Privileged	Requires privileges for use.
`noauth`	Privileged	Requires privileges for use.
`nopam`	Privileged	Requires privileges for use.
`pam`	Privileged	Requires privileges for use.
`plugin`	Privileged	Requires privileges for use.
`privgroup`	Privileged	Requires privileges for use.
`allow-ip` `addresses`	Privileged	Requires privileges for use.
`name` `hostname`	Privileged	Requires privileges for use.
`plink`	Privileged	Requires privileges for use.
`noplink`	Privileged	Requires privileges for use.
`plumbed`	Privileged	Requires privileges for use.
`proxyarp`	Becomes privileged if `noproxyarp` has been specified	Cannot be overridden by an unprivileged use.
`defaultroute`	Privileged if `nodefaultroute` is set in a privileged file or by a privileged user	Cannot be overridden by an unprivileged user.
`disconnect`	Privileged if set in a privileged file or by a privileged user	Cannot be overridden by an unprivileged user.
`bsdcomp`	Privileged if set in a privileged file or by a privileged user	The nonprivileged user cannot specify a code size that is larger than the privileged user has specified.
`deflate`	Privileged if set in a privileged file or by a privileged user	The nonprivileged user cannot specify a code size that is larger than the privileged user has specified.
`connect`	Privileged if set in a privileged file or by a privileged user	Cannot be overridden by an nonprivileged user.
`init`	Privileged if set in a privileged file or by a privileged user	Cannot be overridden by an nonprivileged user.
`pty`	Privileged if set in a privileged file or by a privileged user	Cannot be overridden by an nonprivileged user.
`welcome`	Privileged if set in a privileged file or by a privileged user	Cannot be overridden by an nonprivileged user.
`ttyname`	Privileged if set in a privileged file Not privileged if set in a nonprivileged file	Opened with root permissions regardless of who invokes `pppd`. Opened with the privileges of the user who invokes `pppd`.