NAME

ppphosts − Point-to-Point Protocol Host name database

SYNOPSIS

/etc/inet/ppphosts

DESCRIPTION

The /etc/inet/ppphosts file contains information about known PPP hosts.  This file contains a single-line entry for each PPP host with the following information:

Remote host name or alias

Inactivity timeout in minutes (optional, default = “forever”)

Tty name for direct connection (optional)

Uucp system name for this remote host

Timeout per PPP protocol request (optional, default = 10 seconds)

Maximum number of retries per PPP protocol request (optional, default = 3)

These data items should be separated by “white space”.  A ‘#’ indicates the beginning of a comment; characters appearing after ‘#’ are ignored. 

This file should be created and maintained by the Network Administrator.  These guidelines should be followed in creating /etc/inet/ppphosts:

The host name should have a corresponding entry in /etc/hosts [see hosts(4)]

Optional parameters may be defaulted by using the ‘−’ place-holder

The tty name (if other than ‘−’) should have a corresponding entry in /usr/lib/uucp/Devices

The uucp system name should have a corresponding entry in /usr/lib/uucp/Systems

The contents of this file will be used by the pppd daemon [see pppd(1M)]. 

EXAMPLES

        Example 1  −  Typical /usr/inet/ppphosts File

The guidelines shown in Network File System Administration, show how typical data in the /etc/inet/ppphosts, /usr/lib/uucp/Systems, and /usr/lib/uucp/Devices files could be used for reaching a PPP host. 
 
        Example 2  −  A Direct Line between PPP Hosts

ppphosts:bart_ppp   5   tty01   bart
hosts:128.2.129.2   bart_ppp
Devices:Direct   tty01   −   9600   direct
Systems:bart   Any   Direct   9600    −   login:
Password:PPP_password

The special user_name nppp will initiate the remote login session; also note that following four network-dependent data items in the above table entries must match: bart_ppp, bart, tty01, and Direct.          Example 3  −  A Dial-up Line between PPP Hosts

ppphosts:homer_ppp   5   −   homer
hosts:28.2.129.5   homer_ppp
Systems:homer   Any   ACU   2400    555-1234   login: nppp
Password:PPP_password

USER CONSIDERATIONS

The Network Administrator should ensure consistent entries in the /etc/inet/ppphosts , /usr/lib/uucp/Systems , and /usr/lib/uucp/Devices for the PPP hosts.  The remote login request needs to specify \f4nppp as its user_name.  PPP creates /usr/lib/ppp/named_ppp with uid nppp.  The remote login must use this uid to communicate through the named pipe to pppd. 

FILES

/etc/hosts
/etc/inet/ppphosts
/usr/lib/uucp/Systems
/usr/lib/uucp/Devices

SEE ALSO

uucp(1), pppd(1M), host(4).