
Document Conventions
xxii PortMaster Configuration Guide
Routing in the Internet. Christian Huitema. Prentice Hall PTR, 1995. 
(ISBN 0-13-132192-7)
TCP/IP Illustrated, Volume 1: The Protocols. W. Richard Stevens. Addison-Wesley Publishing 
Company. 1994. (ISBN 0-201-63346-9)
Internet Routing Architectures. Bassam Halabi. Cisco Press, 1997.
Document ConventionsThe following conventions are used in this guide:
Convention Use Examples
Bold font Indicates a user 
entry—a 
command, menu 
option, button, or 
key—or the name 
of a file, directory, 
or utility, except 
in code samples.
• Enter version to display the version 
number.
• Press Enter.
•Open the permit_list file.
Italic font Identifies a 
command-line 
placeholder. 
Replace with a 
real name or 
value.
•set Ether0 address Ipaddress
•Replace 
Area with the name of the 
OSPF area.
Square brackets ([ ]) Enclose optional 
keywords and 
values in 
command syntax.
•set nameserver [2] Ipaddress
•set S0 destination Ipaddress 
[Ipmask]
Curly braces ({  }) Enclose a 
required choice 
between 
keywords and/or 
values in 
command syntax.
set syslog Logtype {[disabled] 
[Facility.Priority]}