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Setting Up a UNIX Boot Server

3-9

Restricting TFTPD Access to a Speciﬁed Directory

To restrict TFTPD ﬁle access to a speciﬁc directory, insert the appropriate line for

your operating system in the /etc/inetd.conf ﬁle.

The examples in T

able 3-4 restrict access to the /tftpboot directory. You can

substitute any directory you want.

You must create a symbolic link for every pathname you specify. For example, to

set up the symbolic links for the /tftpboot path, use the following procedure:

1. Log in to your UNIX workstation as root.

2. Enter the following commands:

cd tftpboot

ln -s . usr

ln -s . tftpboot

Table 3-3. Providing TFTPD Access to Root and All Subdirectories

Operating

System (OS) Sample Line to Insert in /etc/inetd.conf Directory

SunOS tftp dgram udp wait root /usr/etc/in.tftpd in.tftpd -s /

Solaris tftp dgram udp wait root /usr/sbin/in.tftpd in.tftpd -s /

HP-UX tftp dgram udp wait root /etc/tftp tftp

AIX Use the System Management Interface Tool (SMIT) to conﬁgure TFTP. For

instructions, refer to the IBM guides on TCP/IP daemons and the TFTP

protocol.

Table 3-4. Restricting TFTPD Access to One Directory

OS Sample Line to Insert in /etc/inetd.conf Directory

SunOS tftp dgram udp wait root /usr/etc/in.tftpd in.tftpd -s /tftpboot

Solaris tftp dgram udp wait root /usr/sbin/in.tftpd in.tftpd -s /tftpboot

HP-UX tftp dgram udp wait root /etc/tftp tftp -s /tftpboot

AIX Use the System Management Interface Tool (SMIT) to conﬁgure TFTP. For

instructions, refer to the IBM guides on TCP/IP daemons and the TFTP protocol.

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