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Index: M

MAC (Mandatory Access Controls) : 4.1.3. Groups and Group Identifiers (GIDs)

MACH operating system : 1.3. History of UNIX

machine name : 16.2.3. Hostnames

MACHINE= command

15.5.1.2. Name-value pairs
15.5.2. Permissions Commands

Macintosh, Web server on : 18.2. Running a Secure Server

macro virus : (see viruses)

magic cookies : 17.3.21.4. Using Xauthority magic cookies

magic number : 5.1.7. File Permissions in Detail

mail

11.5.3.3. /usr/lib/aliases, /etc/aliases, /etc/sendmail/aliases, aliases.dir, or aliases.pag
(see also sendmail)
accepted by programs : 17.3.4.1. sendmail and security
action, in Swatch program : 10.6.2. The Swatch Configuration File
alias back door : 11.1.2. Back Doors and Trap Doors
aliases : (see aliases)
copyrights on : 26.4.2. Copyright Infringement
Electronic Communications Privacy Act (ECPA) : 26.2.3. Federal Computer Crime Laws
firewalls : 21.4.2. Electronic Mail
forwarding (UUCP) : 15.6.1. Mail Forwarding for UUCP
harassment via : 26.4.7. Harassment, Threatening Communication, and Defamation
logging : 10.4.2. Mail
message flooding : 25.3.2. Message Flooding
phantom, monitoring : 17.3.4.2. Using sendmail to receive email
receiving by sendmail : 17.3.4.2. Using sendmail to receive email
sending via CGI scripts : 18.2.3.3. Sending mail
sent directly to file : 15.7. Early Security Problems with UUCP
startup file attacks : 11.5.2.5. .forward, .procmailrc

mail command : 15.1.3. mail Command

Mail_Aliases table (NIS+) : 19.5.3. NIS+ Tables

mailing lists

E.1. Mailing Lists
E.1.3.10. WWW-security

maintenance mode : C.5.1. Process #1: /etc/init

maintenance personnel : 13.3. Outsiders

makedbm program : 19.4.4.1. Setting up netgroups

malware : 11.1. Programmed Threats: Definitions

man pages : 2.5. The Problem with Security Through Obscurity

management, role of

2.3.4. Convincing Management
2.5. The Problem with Security Through Obscurity

MANs (Metropolitan Networks) : 16.1. Networking

manual logging

10.7. Handwritten Logs
10.7.2.2. Informational material

manual pages : 23.2. Tips on Avoiding Security-related Bugs

maps, NIS : (see NIS)

Massey, James L. : 6.4.1. Summary of Private Key Systems

Master mode (uucico) : 15.1.4. How the UUCP Commands Work

master server

19.4. Sun's Network Information Service (NIS)
(see also NIS)

MCERT : F.3.4.21. Motorola, Inc. and subsidiaries

MCI Corporation : F.3.4.19. MCI Corporation

MD2 algorithm : 6.5.4.1. MD2, MD4, and MD5

MD4 algorithm : 6.5.4.1. MD2, MD4, and MD5

MD5 algorithm

6.5.2. Using Message Digests
6.5.4.1. MD2, MD4, and MD5
23.5.1. Use Message Digests for Storing Passwords
23.9. A Good Random Seed Generator
digital signatures versus : 6.6.3.6. PGP detached signatures
in POP : 17.3.10. Post Office Protocol (POP) (TCP Ports 109 and 110)

media : 12.3.3. Other Media

damaged by smoke : 12.2.1.2. Smoke
destroying : 12.3.2.3. Sanitize your media before disposal
failure of : 7.1.4. Guarding Against Media Failure
hard/soft disk quotas : 25.2.2.5. Using quotas
print through process : 12.3.2.1. Verify your backups
rotating for backups : 7.1.3. Types of Backups
rotation of : 7.2.1.2. Media rotation
sanitizing : 12.3.2.3. Sanitize your media before disposal
viruses from : 11.1.5. Viruses

meet-in-the-middle attacks : 6.4.5.1. Double DES

memory

25.2.2. Disk Attacks
25.2.2.8. Tree-structure attacks
hidden space : 25.2.2.7. Hidden space
reserved space : 25.2.2.6. Reserved space
swap space : 25.2.3. Swap Space Problems
/tmp directory and : 25.2.4. /tmp Problems
tree-structure attacks : 25.2.2.8. Tree-structure attacks

Merkle, Ralph : 6.4.5.1. Double DES

Message Authentication Code (MAC) : 6.5.5.2. Message authentication codes

message digests

6.5. Message Digests and Digital Signatures

6.5.2. Using Message Digests

9.2.3. Checksums and Signatures

23.5.1. Use Message Digests for Storing Passwords

Tripwire package

9.2.4. Tripwire
9.2.4.2. Running Tripwire

message flooding : 25.3.2. Message Flooding

messages log file : 10.2.3. messages Log File

meta characters : 23.2. Tips on Avoiding Security-related Bugs

metadata

9.2.2. Checklists and Metadata
9.2.2.2. Ancestor directories

Metropolitan Networks (MANs) : 16.1. Networking

MH (mail handler) : 11.5.2.5. .forward, .procmailrc

Micro-BIT Virus Center : F.3.4.16. Germany: Southern area

Miller, Barton : 23.1.2. An Empirical Study of the Reliability of UNIX Utilities

MILNET : F.3.4.20. MILNET

MIME : 11.1.5. Viruses

MIT-KERBEROS-5 authentication : 17.3.21.3. The xhost facility

Mitnick, Kevin : 27.2.6. Network Providers that Network Too Well

mkpasswd program : 8.8.4. Password Generators

mktemp function : 23.2. Tips on Avoiding Security-related Bugs

MLS (Multilevel Security) environment : "Secure" Versions of UNIX

mobile network computing : 8.7. One-Time Passwords

modems

14. Telephone Security

14.6. Additional Security for Modems

callback setups

14.4.2.
14.6. Additional Security for Modems

clogging : 25.3.4. Clogging

encrypting : 14.6. Additional Security for Modems

hanging up : (see signals)

physical security of

14.5.4. Physical Protection of Modems
14.6. Additional Security for Modems

recording call information : 10.3.1. aculog File

tracing connections

24.2.4. Tracing a Connection
24.2.4.2. How to contact the system administrator of a computer you don't know

UNIX and

14.5. Modems and UNIX
14.5.3.3. Privilege testing

modification times

5.1.2. Inodes
5.1.5. File Times
7.4.7. inode Modification Times
9.2.2. Checklists and Metadata

monitoring

hardware for : (see detectors)
intruders : 24.2.3. Monitoring the Intruder
performance : 13.2.3. Performance Reviews and Monitoring
security : (see logging)
users : 26.2.6. Other Tips

monitors and screen savers : 12.3.5.2. X screen savers

Morris, Robert T.

1. Introduction
8.6. The UNIX Encrypted Password System
17.4. Security Implications of Network Services

motd file : 26.2.6. Other Tips

Motorola, Inc. : F.3.4.20. MILNET

Motorola, Inc. and subsidiaries : F.3.4.21. Motorola, Inc. and subsidiaries

mount command : 20.3. Client-Side NFS Security

-nodev option : 5.5.5. Turning Off SUID and SGID in Mounted Filesystems
-nosuid option : 5.5.5. Turning Off SUID and SGID in Mounted Filesystems

mounted filesystems : 5.5.5. Turning Off SUID and SGID in Mounted Filesystems

mouting filesystem : (see directories)

mrand48 function : 23.7.3. drand48 ( ), lrand48 ( ), and mrand48 ( )

mtime

5.1.2. Inodes
5.1.5. File Times
9.2.2. Checklists and Metadata
24.4.1.6. Changes to startup files

MUDs (Multiuser Dungeons) : 17.3.23. Other TCP Ports: MUDs and Internet Relay Chat (IRC)

Muffet, Alec : 10.5.3.1. Beware false log entries

multicast groups : 16.2.1.2. Classical network addresses

MULTICS (Multiplexed Information and Computing Service) : 1.3. History of UNIX

multilevel security

1.3. History of UNIX
2.4.4.7. Defend in depth
2.5.3. Final Words: Risk Management Means Common Sense
17.2. Controlling Access to Servers

multitasking

1.4. Security and UNIX
C.1.3.3. Process priority and niceness

multiuser operating systems : 1.4. Security and UNIX

multiuser workstations : 17.3.21.1. /etc/fbtab and /etc/logindevperm

munitions export : 26.4.1. Munitions Export

MX record type : 17.3.6. Domain Name System (DNS) (TCP and UDP Port 53)

MYNAME= command : 15.5.2. Permissions Commands

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