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Index: E
- earthquakes : Earthquake
- eavesdropping
-
- Eavesdropping
- Fiber optic cable
- Potential for eavesdropping and data theft
- Protecting Against Eavesdropping
- Protection against eavesdropping
- Link-level Security
- IP packets
- through log files : Eavesdropping Through Log Files
- on the Web
- X clients : security
- ECB (electronic code tutorial)
- echo command : Tips on Using Passwords
- ECPA (Electronic Communications Privacy Act) : Federal Computer Crime Laws
- editing wtmp file : Pruning the wtmp file
- editors : Other initializations
-
- buffers for : Trojan Horses
- Emacs : GNU .emacs
- ex
- startup file attacks : exrc
- vi
- edquota command : Using quotas
- EDS : EDS and EDS customers worldwide
- education : (see security, user awareness of)
- effective UIDs/GIDs
- mm video tape : Guarding Against Media Failure
- electrical fires
-
- Smoke
- (see also fires; smoke and smoking)
- electrical noise : Electrical noise
- electronic
- Electronic Communications Privacy Act (ECPA) : Federal Computer Crime Laws
- ElGamal algorithm
- elm (mail system) : forward, .procmailrc
- emacs editor : Other initializations
- emacs file : GNU .emacs
- email : (see mail)
- embedded commands : (see commands)
- embezzlers : Authors
- emergency response organizations : (see response teams)
- employees
-
- Authors
- Personnel Security
- Outsiders
- departure of : Departure
- phonetutorial of : Other Media
- security checklist for : Personnel Security
- targeted in legal investigation : If You or One of Your Employees Is a Target of an Investigation...
- trusting : Your Employees?
- written authorization for : Other Tips
- encryption
-
- What Is Encryption?
- The Elements of Encryption
- Encryption
- (see also cryptography)
- algorithms : The Problem with Security Through Obscurity
-
- crypt
- Digital Signature Algorithm
- ElGamal : Summary of Public Key Systems
- IDEA : Summary of Private Key Systems
- RC2, RC4, and RC5
- ROT13 : ROT13: Great for Encoding Offensive Jokes
- RSA
- application-level : Link-level Security
- of backups
- checklist for : Cryptography
- Data Encryption Standard (DES)
- DCE and : The /etc/passwd File and Network Databases
- Diffie-Hellman : (see Diffie-Hellman key exchange system)
- end-to-end : Link-level Security
- Enigma system
- escrowing keys
- exporting software : Munitions Export
- of hypertext links : Eavesdropping Over the Wire
- laws about
- link-level : Link-level Security
- of modems : Additional Security for Modems
- Netscape Navigator system : Eavesdropping Over the Wire
- with network services : Security Implications of Network Services
- one-time pad mechanism : An Unbreakable Encryption Algorithm
- of passwords
- PGP : (see PGP)
- programs for UNIX
- proprietary algorithms : Proprietary Encryption Systems
- RC4 and RC5 algorithms : Summary of Private Key Systems
- references on : Cryptography Books
- Skipjack algorithm : Summary of Private Key Systems
- superencryption : Improving the Security of DES
- and superusers : Why Use Encryption with UNIX?
- of Web information : Eavesdropping Over the Wire
- end-to-end encryption : Link-level Security
- Energy Sciences Network (ESnet) : S. Department of Energy sites, Energy Sciences Network (ESnet), and DOE contractors
- Enigma encryption system
- Enterprise Networks : Networking
- environment variables
- environment, physical
- erasing disks : Sanitize your media before disposal
- erotica, laws governing : Pornography and Indecent Material
- errno variable : Tips on Avoiding Security-related Bugs
- errors : taxonomy of computer failures
-
- in ACLs : AIX Access Control Lists
- configuration : Prevention
- human : Guarding Against Media Failure
- errors
-
- (see also auditing, system activity)
- escape sequences, modems and : Originate testing
- escrowing encryption keys
- ESnet (Energy Sciences Network) : S. Department of Energy sites, Energy Sciences Network (ESnet), and DOE contractors
- espionage : Authors
- /etc directory
-
- Back Doors and Trap Doors
- System initialization files
- backups of : Types of Backups
- /etc/aliases file : /usr/lib/aliases, /etc/aliases, /etc/sendmail/aliases, aliases.dir, or aliases.pag
- /etc/default/login file : Secure Terminals
- /etc/exports file
-
- Writable system files and directories
- Using Secure NFS
- making changes to : /usr/etc/exportfs
- /etc/fbtab file : /etc/fbtab and /etc/logindevperm
- /etc/fingerd program : (see finger command)
- /etc/fsck program : Hidden files and directories
- /etc/fstab file
- /etc/ftpd : (see ftpd server)
- /etc/ftpusers file : Restricting FTP with the standard UNIX FTP server
- /etc/group file
- /etc/halt command : Anatomy of a Break-in
- /etc/hosts file : The /etc/hosts file
- /etc/hosts.equiv : (see hosts.equiv file)
- /etc/hosts.lpd file : /etc/hosts.lpd file
- /etc/inetd : (see inetd daemon)
- /etc/inetd.conf file : Primary UNIX Network Services
- /etc/init program : Process #1: /etc/init
- /etc/inittab : (see inittab program)
- /etc/keystore file : Proving your identity
- /etc/logindevperm file : /etc/fbtab and /etc/logindevperm
- /etc/motd file : Other Tips
- /etc/named.boot file
- /etc/passwd file
-
- What Is an Operating System?
- The /etc/passwd File
- The /etc/passwd File and Network Databases
- Impact of the /etc/passwd and /etc/group Files on Security
- Accounts Without Passwords
- The UNIX Encrypted Password System
- Process #1: /etc/init
- + in : (see NIS)
- accounts without passwords : Accounts Without Passwords
- backing up : What Should You Back Up?
- new accounts : New Accounts
- NFS : /etc/exports
- uucp user and : How the UUCP Commands Work
- /etc/profile file
- /etc/publickey file : Creating passwords for users
- /etc/rc directory
-
- System initialization files
- Starting the Servers
- Process #1: /etc/init
- commenting out services : Primary UNIX Network Services
- /etc/remote file
- /etc/renice : (see renice command)
- /etc/secure/passwd file : Accounts Without Passwords
- /etc/security/passwd.adjunct file : Shadow Password Files
- /etc/sendmail/aliases file : /usr/lib/aliases, /etc/aliases, /etc/sendmail/aliases, aliases.dir, or aliases.pag
- /etc/services file : The /etc/services File
- /etc/services file : The /etc/services File
- /etc/shadow file
- /etc/shells file : Changing the Account's Login Shell
- /etc/syslogd : (see syslog facility)
- /etc/tty file, backing up : What Should You Back Up?
- /etc/ttys file
- /etc/ttytab file : Process #1: /etc/init
- /etc/utmp file
- /etc/uucp directory : Some bad examples
- /etc/yp/makedbm program : Setting up netgroups
- in restricted filesystems : Restricted Filesystem
- Ethernet : Networking
-
- addresses for random seeds : Picking a Random Seed
- cables : (see cables, network)
- eavesdropping by : Eavesdropping by Ethernet and 10Base-T
- Ethers table (NIS+) : NIS+ Tables
- Euler Totient Function : How RSA works
- eval function
- evidence, equipment seized as : Hazards of Criminal Prosecution
- ex editor
- exceptions : Creating Processes
- exclamation mark (!) and mail command : mail Command
- exclusive OR (XOR) : An Unbreakable Encryption Algorithm
- exec (in Swatch program) : The Swatch Configuration File
- exec system call
- ExecCGI option : Commands Within the <Directory> Block
- execl system call : Tips on Writing SUID/SGID Programs
- execlp system call : Tips on Writing SUID/SGID Programs
- execute permission
- execv system call : Tips on Writing SUID/SGID Programs
- execve system call : Tips on Writing SUID/SGID Programs
- execvp system call : Tips on Writing SUID/SGID Programs
- expiring
-
- accounts : Finding Dormant Accounts
- FTP depositories : Setting up anonymous FTP with the standard UNIX FTP server
- passwords : Password Aging and Expiration
- explosions : Explosion
- export laws : Munitions Export
-
- cryptography
- exportfs command : /usr/etc/exportfs
- exports file
- exrc file : exrc
- ext2 filesystem (Linux) : Reserved space
- external data representation (XDR) : Sun's Remote Procedure Call (RPC)
- extinguishers, fire : (see fires)
- extortion : Authors
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