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Index: Symbols and Numbers
- 0 flag
: sendmail, 30.8. Alphabetized F= Flags
- 10BaseT networks
- -144bsd option
: sendmail, 18.5.2. Remove -l44bsd
- 3 flag : sendmail, 30.8. Alphabetized F= Flags
- 5 flag : sendmail, 30.8. Alphabetized F= Flags
- 6-bit serial lines, running over : TCP/IP Network Administration, 5.2. Linux Kernel Configuration
- 7 flag : sendmail, 30.8. Alphabetized F= Flags
- 7 (SevenBitInput) option : sendmail, 34.8. Alphabetized Reference
- 7-bit encoding
- 3 flag : sendmail, 30.8. Alphabetized F= Flags
- 7bit encoding type
: TCP/IP Network Administration, 3.4.3. Multipurpose Internet Mail Extensions
- 8 flag : sendmail, 30.8. Alphabetized F= Flags
- 8 (EightBitMode) option
- 8 flag : sendmail, 30.8. Alphabetized F= Flags
- 8-bit encoding
- 8bit encoding type
: TCP/IP Network Administration, 3.4.3. Multipurpose Internet Mail Extensions
- 8mm video tape : Practical UNIX & Internet Security, 7.1.4. Guarding Against Media Failure
- 9 flag : sendmail, 30.8. Alphabetized F= Flags
- < > (angle brackets)
- 8mm video tape : Practical UNIX & Internet Security, 7.1.4. Guarding Against Media Failure
- sendmail, 10.1. Why Preprocess?
- sendmail, 17.1.1.1. At least one <> pair
- > option : sendmail, D.5. The > Option
- >>> as leading characters : sendmail, 4.2. Verbose (-v)
- nested
- sendmail, 17.1.1.1. At least one <> pair
- null address : (see addresses, null)
- sendmail, 10.1. Why Preprocess?
- '' (apostrophes) (expect nothing)
: TCP/IP Network Administration, 6.3.3. chat
- * (asterisk)
- in mail queue listing
- meaning interface not enabled
: TCP/IP Network Administration, 6.1.1. Determining the Interface Name
- in name field, indicating wildcard character : TCP/IP Network Administration, C.3.1. Standard Resource Records
- @ (at sign)
- in addresses
- chacl command with
: Practical UNIX & Internet Security, 5.2.5.2. HP-UX access control lists
- for current origin : TCP/IP Network Administration, C.3.1. Standard Resource Records
- excluding an individual parameter : TCP/IP Network Administration, 9.4. A BOOTP Server
- referencing current domain : TCP/IP Network Administration, 8.3.5. The Reverse Domain File
- in xhost list : Practical UNIX & Internet Security, 17.3.21.3. The xhost facility
- for current origin : TCP/IP Network Administration, C.3.1. Standard Resource Records
- @ flag
: sendmail, 30.8. Alphabetized F= Flags
- \ (backslash)
- escaping newline characters
- in header fields
: sendmail, 35.3.2. Escape Character in the Header Field
- mail command and : Practical UNIX & Internet Security, 15.1.3. mail Command
- in rules : sendmail, 28.1.2.1. Backslashes in rules
- in UUCP addresses
- mail command and : Practical UNIX & Internet Security, 15.1.3. mail Command
- ! (bang) and mail command
: Practical UNIX & Internet Security, 15.1.3. mail Command
- : (colon)
- in addresses
- beginning and ending fields
- separating parameters : TCP/IP Network Administration, 9.4. A BOOTP Server
- : flag
: sendmail, 30.8. Alphabetized F= Flags
- {} (curly braces)
- sendmail, 5.3.2. Macros
- sendmail, 5.3.5. Class Macros
- sendmail, 7.1. Overview
- configuration statements
- sendmail, 5.3.5. Class Macros
- long variable names
: TCP/IP Network Administration, 10.5. sendmail Configuration
- macro names : TCP/IP Network Administration, 10.5.2. The Define Macro Command
- sendmail, 5.3.2. Macros
- $ (dollar sign)
- $ line (qf file)
: sendmail, 23.9. The qf File Internals
- $ rule-testing command : sendmail, 38.3.1. Dump a Defined Macro with $
- in macro names : sendmail, 31.5. Macro Expansion: $ and $&
- wildcard operators
- $ rule-testing command : sendmail, 38.3.1. Dump a Defined Macro with $
- $1, $2, ...
: (see positional operators)
- $&
- $>
: sendmail, 28.6.4. Rewrite Through Another Rule Set: $>set
- $* : sendmail, 10.2.1. The LHS
- $@
- $* : sendmail, 10.2.1. The LHS
- $[ and $]
- $:
- $.
- $=
- $#
- $-
: sendmail, 11.4.1. Rewrite the Lone Username
- $( and $) : sendmail, 33.4. Use Maps with $( and $) in Rules
- $+ : sendmail, 8.7. Wildcard Operators
- $?
- $( and $) : sendmail, 33.4. Use Maps with $( and $) in Rules
- $~
: sendmail, 32.2.2. Matching Any Not in a Class: $~
- $| : sendmail, 31.6. Macro Conditionals: $?, $|, and $.
- $_ macro
- $| : sendmail, 31.6. Macro Conditionals: $?, $|, and $.
- $ line (qf file)
: sendmail, 23.9. The qf File Internals
- . (dot)
- . line (qf file)
: sendmail, 23.9. The qf File Internals
- checking for in ${pd} : sendmail, D.1. Sun Enhancements
- for current directory : Practical UNIX & Internet Security, 5.1.1. Directories
- to end messages
- checking for in ${pd} : sendmail, D.1. Sun Enhancements
- filenames starting with, disabling creation of
: Building Internet Firewalls, 8.2.1.6. Be careful of writable
- host status file line : sendmail, B.1. Status file lines
- leading in messages : sendmail, 34.8. Alphabetized Reference
- trailing in FQDNs
- host status file line : sendmail, B.1. Status file lines
- .. directory
: Practical UNIX & Internet Security, 5.1.1. Directories
- .. for domain name : TCP/IP Network Administration, C.3.1. Standard Resource Records
- . line (qf file)
: sendmail, 23.9. The qf File Internals
- ! (exclamation point) and mail command
: Practical UNIX & Internet Security, 15.1.3. mail Command
- # (hash mark; sharp sign) : Practical UNIX & Internet Security, 6.5.1. Message Digests
- for comments
- sendmail, 5.1. Overview
- sendmail, 5.2.2. Comments
- sendmail, 27.2. Comments
- sendmail, 38.2. Configuration Lines
- TCP/IP Network Administration, 3.2. The Host Table
- TCP/IP Network Administration, 5.4. The Internet Daemon
- TCP/IP Network Administration, 7.7.1.1. A host configuration
- TCP/IP Network Administration, 9.1.4. NFS Automounter
- TCP/IP Network Administration, 9.2.1. The printcap File
- TCP/IP Network Administration, 9.4. A BOOTP Server
- TCP/IP Network Administration, A.1.1. The dip Script File
- TCP/IP Network Administration, D.3. The dhcpd.conf Configuration File
- sendmail, 5.2.2. Comments
- sendmail, 5.1. Overview
- disabling services with
: Practical UNIX & Internet Security, 17.3. Primary UNIX Network Services
- in :include: lists : sendmail, 25.2.1. Comments in :include: Lists
- lines in sendmail.cf : sendmail, 3.1. Role in the Filesystem
- in m4 files : sendmail, 19.5. Pitfalls
- in :include: lists : sendmail, 25.2.1. Comments in :include: Lists
- - (hyphen)
- in machine conversation
: sendmail, 4.2. Verbose (-v)
- non-equivalent host : TCP/IP Network Administration, 12.2.5. Secure the r Commands
- in machine conversation
: sendmail, 4.2. Verbose (-v)
- -> (arrow), for copying files
: TCP/IP Network Administration, 9.6.1. rdist
- () (parentheses), for continuation characters : TCP/IP Network Administration, C.3.1. Standard Resource Records
- % in addresses
- () (parentheses), for continuation characters : TCP/IP Network Administration, C.3.1. Standard Resource Records
- + (plus sign)
- in configuration file
: sendmail, 1.3.1. The Configuration File
- indicating a trusted host : TCP/IP Network Administration, 12.2.5. Secure the r Commands
- in hosts.equiv file : Practical UNIX & Internet Security, 17.3.18.5. Searching for .rhosts files
- marking users with : sendmail, 24.4.3. Plussed Users
- in NIS
- indicating a trusted host : TCP/IP Network Administration, 12.2.5. Secure the r Commands
- in configuration file
: sendmail, 1.3.1. The Configuration File
- ? for delivery agent flags
- " (quotation marks)
- sendmail, 13.2.8. The Unquoted Space Replacement Character
- sendmail, 19.1.1. m4 is greedy
- sendmail, 31.3.2. Syntax of the Configuration File Macro's Text
- dequote database class : sendmail, 33.8. Alphabetized Reference
- in header fields : sendmail, 35.3.3. Quoted Strings in the Header Field
- stripping from addresses
- sendmail, 19.1.1. m4 is greedy
- "" (expect nothing)
- sendmail, 13.2.8. The Unquoted Space Replacement Character
- ; (semicolon)
- comment character
: TCP/IP Network Administration, C.3.1. Standard Resource Records
- ending gated configuration statements
- comment character
: TCP/IP Network Administration, C.3.1. Standard Resource Records
- # (sharp sign; hash mark) : Practical UNIX & Internet Security, 6.5.1. Message Digests
- for comments
- sendmail, 5.1. Overview
- sendmail, 5.2.2. Comments
- sendmail, 27.2. Comments
- sendmail, 38.2. Configuration Lines
- TCP/IP Network Administration, 3.2. The Host Table
- TCP/IP Network Administration, 5.4. The Internet Daemon
- TCP/IP Network Administration, 7.7.1.1. A host configuration
- TCP/IP Network Administration, 9.1.4. NFS Automounter
- TCP/IP Network Administration, 9.2.1. The printcap File
- TCP/IP Network Administration, 9.4. A BOOTP Server
- TCP/IP Network Administration, A.1.1. The dip Script File
- TCP/IP Network Administration, D.3. The dhcpd.conf Configuration File
- sendmail, 5.2.2. Comments
- sendmail, 5.1. Overview
- disabling services with
: Practical UNIX & Internet Security, 17.3. Primary UNIX Network Services
- in :include: lists : sendmail, 25.2.1. Comments in :include: Lists
- lines in sendmail.cf : sendmail, 3.1. Role in the Filesystem
- in m4 files : sendmail, 19.5. Pitfalls
- in :include: lists : sendmail, 25.2.1. Comments in :include: Lists
- / (slash)
- / flag
: sendmail, 30.8. Alphabetized F= Flags
- character in alias
- IFS separator
: Practical UNIX & Internet Security, 11.5.1.2. IFS attacks
- root directory
- / flag
: sendmail, 30.8. Alphabetized F= Flags
- ~ (tilde)
- in automatic backups
: Practical UNIX & Internet Security, 18.2.3.5. Beware stray CGI scripts
- for home directory
- ~! in mail messages : Practical UNIX & Internet Security, 8.1.3. Accounts That Run a Single Command
- in automatic backups
: Practical UNIX & Internet Security, 18.2.3.5. Beware stray CGI scripts
- | (vertical bar)
- ! flag
: sendmail, 30.8. Alphabetized F= Flags
- | prefix
- in addresses : (see programs, delivering to)
- ! flag
: sendmail, 30.8. Alphabetized F= Flags
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