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Index bacteria 7.3. Backing Up System Files 7.3.2. Building an Automatic Backup System encrypting 7.4.4. Encrypting Your Backups 12.3.2.4. Backup encryption hardcopy : 24.5.1. Never Trust Anything Except Hardcopy keeping secure 2.4.2. Standards 2.4.3. Guidelines 7.1.6. Security for Backups 7.1.6.3. Data security for backups 26.2.6. Other Tips laws concerning : 7.1.7. Legal Issues of log files : 10.2.2. Accounting with BSD retention of 7.1.5. How Long Should You Keep a Backup? 7.2. Sample Backup Strategies 7.2.5. Deciding upon a Backup Strategy rotating media : 7.1.3. Types of Backups software for 7.4. Software for Backups 7.4.7. inode Modification Times commercial : 7.4.6. Commercial Offerings special programs for : 7.4.3. Specialized Backup Programs strategies for 7.2. Sample Backup Strategies 7.2.5. Deciding upon a Backup Strategy 10.8. Managing Log Files theft of 12.3.2. Protecting Backups 12.3.2.4. Backup encryption verifying : 12.3.2.1. Verify your backups zero-filled bytes in : 7.4. Software for Backups file:///C|/Oreilly Unix etc/O'Reilly Reference Library/networking/puis/index/idx_b.htm (2 of 6) [2002-04-12 10:43:41]
Index 11.1. Programmed Threats: Definitions 11.1.7. Bacteria and Rabbits BADSU attempts : (see sulog file) Baldwin, Robert : 6.6.1.1. The crypt program bang (!) and mail command : 15.1.3. mail Command Bash shell (bsh) : 8.1.4.4. No restricted bash Basic Networking Utilities : (see BNU UUCP) bastion hosts : 21.1.3. Anatomy of a Firewall batch command : 25.2.1.2. System overload attacks batch jobs : (see cron file) baud : 14.1. Modems: Theory of Operation bell (in Swatch program) : 10.6.2. The Swatch Configuration File Bellcore : F.3.4.5. Bellcore Berkeley UNIX : (see BSD UNIX) Berkeley's sendmail : (see sendmail) bidirectionality 14.1. Modems: Theory of Operation 14.4.1. One-Way Phone Lines bigcrypt algorithm : 8.6.4. Crypt16() and Other Algorithms /bin directory 11.1.5. Viruses 11.5.1.1. PATH attacks backing up : 7.1.2. What Should You Back Up? /bin/csh : (see csh) /bin/ksh : (see ksh) /bin/login : (see login program) /bin/passwd : (see passwd command) /bin/sh : (see sh) in restricted filesystems : 8.1.5. Restricted Filesystem binary code : 11.1.5. Viruses bind system call 16.2.6.1. DNS under UNIX 17.1.3. The /etc/inetd Program file:///C|/Oreilly Unix etc/O'Reilly Reference Library/networking/puis/index/idx_b.htm (3 of 6) [2002-04-12 10:43:41]
Page 1 and 2: Practical UNIX & Internet Security
Page 3 and 4: Index Search | Symbols | A | B | C
Page 7 and 8: Index 8.8.3.1. Joetest: a simple pa
Page 9 and 10: Index American Society for Industri
Page 11 and 12: Index who is logged in 10.1.2. utmp
Page 13: Index Search | Symbols | A | B | C
Page 17 and 18: Index modems and : 14.5.1. Hooking
Page 21 and 22: Index scripts 18.2. Running a Secur
Page 23 and 24: Index 26.2.2. Federal Jurisdiction
Page 25 and 26: Index contacting administrator of :
Page 27 and 28: Index E.4.3. COPS (Computer Oracle
Page 29 and 30: Index 14.4.4.2. Protection against
Page 33 and 34: Index denial-of-service attacks 1.5
Page 35 and 36: Index Digital Signature Algorithm :
Page 37 and 38: Index domains : 19.4.3. NIS Domains
Page 41 and 42: Index embedded commands : (see comm
Page 43 and 44: Index 8.6. The UNIX Encrypted Passw
Page 45 and 46: Index /etc/halt command : 24.2.6. A
Page 47 and 48: Index eavesdropping by : 12.3.1.2.
Page 51 and 52: Index locating largest : 25.2.2.1.
Page 53 and 54: Index checklist for : A.1.1.20. Cha
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Page 57 and 58: Index GIDs (group identifiers) 1.4.
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Index Internet Packet Exchange (IPX
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Index Search | Symbols | A | B | C
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Index keyserv process 19.3.1.1. Pro
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Index vendor liability : 18.5.2. Tr
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Index per-site : 10.7.1. Per-Site L
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Index passwords : 3.3. Entering You
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Index lsof program : 25.2.2.7. Hidd
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Index sending via CGI scripts : 18.
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Index message flooding : 25.3.2. Me
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Index Muffet, Alec : 10.5.3.1. Bewa
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Index national security : 26.2.2. F
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Index passwords for : 17.4. Securit
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Index checklist for : A.1.1.19. Cha
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Index nonrepudiation : 6.5. Message
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Index open command : 23.2. Tips on
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Index avoiding conventional 8.8. Ad
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Index 23.4. Tips on Writing SUID/SG
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Index 5.3.2. Common umask Values UU
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Index 2.3. Cost-Benefit Analysis 2.
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Index privacy 2.1. Planning Your Se
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Index ps command 6.6.2. des: The Da
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Index 7.4.5. Backups Across the Net
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Index FTP : 17.3.2.5. Restricting F
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Index immutable files and : 9.1.1.
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Index 9.1.2. Read-only Filesystems
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Index 7.1.6. Security for Backups 7
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Index 17.3.4. Simple Mail Transfer
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Index on directories : 5.5.6. SGID
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Index Simple Network Management Pro
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Index Software Publishers Associati
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Index string command : 12.3.5.2. X
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Index SURFnet : F.3.4.25. Netherlan
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Index message authentication : 6.5.
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Index versus rlogin : 17.3.18. rlog
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Index 8.4.3. Finding Dormant Accoun
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Index 18.5. Risks of Web Browsers 1
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Index transmitters, radio : 12.2.1.
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Index processes : (see processes) p
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Index 8.4. Managing Dormant Account
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Index /usr/sbin/rexecd : (see rexec
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Index bacteria programs : 11.1.7. B
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Index 18.2.5. Other Issues authenti
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Index WRITE= command : 15.5.2. Perm
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[Chapter 12] 12.3 Protecting Data 1
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[Chapter 12] 12.3 Protecting Data M
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[Chapter 12] 12.3 Protecting Data O
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[Chapter 12] 12.3 Protecting Data p
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[Chapter 12] 12.3 Protecting Data t
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[Chapter 16] TCP/IP Networks connec
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[Chapter 16] TCP/IP Networks organi
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[Chapter 7] Backups Making backups
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[Chapter 7] Backups circumstances.[
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[Chapter 7] Backups ● An incremen
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[Chapter 7] Backups or other proble
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[Chapter 7] Backups damage or destr
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[Chapter 7] Backups example, you ca
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[Chapter 5] 5.2 Using File Permissi
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[Chapter 17] 17.3 Primary UNIX Netw
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To set up anonymous FTP, you must c
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[Chapter 15] UUCP 15. UUCP Contents
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[Chapter 15] UUCP You can also use
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[Chapter 15] UUCP After the files a
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[Chapter 5] The UNIX Filesystem 5.1
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[Chapter 5] The UNIX Filesystem con
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Note that we said "usually." A clev
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[Chapter 5] The UNIX Filesystem 10.
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[Chapter 19] 19.4 Sun's Network Inf
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[Chapter 11] 11.5 Protecting Yourse
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field is matched by the cron daemon
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[Chapter 18] 18.2 Running a Secure
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[Chapter 20] 20.2 Server-Side NFS S
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[Chapter 19] 19.5 Sun's NIS+ Entiti
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[Chapter 19] 19.5 Sun's NIS+ Like U
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[Chapter 19] 19.5 Sun's NIS+ Enter
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[Chapter 26] 26.4 Other Liability 2
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[Chapter 26] 26.4 Other Liability
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[Chapter 26] 26.4 Other Liability c
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[Chapter 26] 26.4 Other Liability l
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[Chapter 1] 1.4 Security and UNIX s
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[Chapter 1] 1.4 Security and UNIX A
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[Chapter 2] Policies and Guidelines
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[Chapter 2] Policies and Guidelines
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[Chapter 17] 17.2 Controlling Acces
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[Chapter 13] 13.2 On the Job 13.2 O
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[Chapter 13] 13.2 On the Job has ph
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[Chapter 12] 12.2 Protecting Comput
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[Chapter 8] Defending Your Accounts
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[Chapter 15] 15.4 Security in Versi
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[Chapter 23] 23.2 Tips on Avoiding
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[Chapter 10] 10.3 Program-Specific
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[Chapter 18] 18.4 Avoiding the Risk
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[Chapter 10] 10.2 The acct/pacct Pr
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[Chapter 3] Users and Passwords Cha
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[Chapter 3] Users and Passwords Alt
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[Chapter 8] 8.8 Administrative Tech
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[Chapter 8] 8.4 Managing Dormant Ac
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# Gives a list of users who have no
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[Chapter 8] 8.7 One-Time Passwords
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[Chapter 24] 24.4 Cleaning Up After
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[Chapter 24] 24.4 Cleaning Up After
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[Appendix A] UNIX Security Checklis
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[Chapter 3] 3.6 The Care and Feedin
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[Chapter 3] 3.3 Entering Your Passw
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[Chapter 10] 10.7 Handwritten Logs
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[Chapter 10] 10.7 Handwritten Logs
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[Chapter 4] Users, Groups, and the
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[Chapter 16] 16.2 IPv4: The Interne
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[Appendix F] Organizations F. Organ
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[Appendix F] Organizations F.1.5 In
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[Appendix F] Organizations http://w
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[Chapter 19] 19.3 Secure RPC (AUTH_
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[Appendix C] C.4 The kill Command
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[Chapter 15] 15.7 Early Security Pr
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[Chapter 6] 6.4 Common Cryptographi
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Diffie-Hellman Key exchange protoco
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the modular inverse of e mod (n). I
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[Appendix F] F.3 Emergency Response
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[Chapter 8] 8.5 Protecting the root
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[Chapter 11] Protecting Against Pro
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[Chapter 9] 9.2 Detecting Change 9.
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[Chapter 9] 9.2 Detecting Change {
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[Chapter 9] 9.2 Detecting Change it
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[Chapter 14] 14.6 Additional Securi
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[Chapter 14] 14.3 The RS-232 Serial
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[Chapter 14] 14.3 The RS-232 Serial
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[Chapter 14] 14.5 Modems and UNIX C
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[Chapter 14] 14.5 Modems and UNIX u
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[Chapter 14] 14.5 Modems and UNIX I
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[Chapter 14] 14.5 Modems and UNIX
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[Chapter 16] 16.3 IP Security Ether
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[Chapter 16] 16.3 IP Security that
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[Chapter 7] 7.4 Software for Backup
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[Chapter 1] 1.3 History of UNIX was
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[Chapter 1] 1.3 History of UNIX qui
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[Chapter 1] 1.3 History of UNIX Des
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[Chapter 2] 2.2 Risk Assessment 2.2
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[Chapter 2] 2.2 Risk Assessment 2.2
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[Chapter 2] 2.5 The Problem with Se
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[Chapter 2] 2.5 The Problem with Se
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[Chapter 19] 19.2 Sun's Remote Proc
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[Chapter 19] 19.2 Sun's Remote Proc
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[Chapter 25] 25.2 Overload Attacks
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[Chapter 23] 23.8 Picking a Random
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[Chapter 4] 4.3 su: Changing Who Yo
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[Chapter 10] Auditing and Logging C
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[Chapter 10] Auditing and Logging v
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[Chapter 10] Auditing and Logging f
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[Chapter 10] Auditing and Logging f
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[Chapter 10] Auditing and Logging 1
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[Chapter 23] 23.3 Tips on Writing N
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[Chapter 3] 3.2 Passwords 3.2 Passw
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[Chapter 3] 3.2 Passwords that runs
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[Chapter 3] 3.2 Passwords 3.2.6 Con
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[Chapter 19] 19.6 Kerberos 19.6.1 K
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[Chapter 19] 19.6 Kerberos ● ●
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[Chapter 19] 19.6 Kerberos electron
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[Chapter 19] 19.6 Kerberos But Kerb
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[Chapter 6] 6.5 Message Digests and
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[Chapter 23] 23.5 Tips on Using Pas
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[Chapter 2] 2.4 Policy 2.4 Policy C
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[Chapter 2] 2.4 Policy 2.4.3 Guidel
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[Chapter 2] 2.4 Policy Spaf's first
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[Chapter 11] 11.3 Authors 11.3 Auth
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[Chapter 7] 7.3 Backing Up System F
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[Chapter 7] 7.3 Backing Up System F
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to: [Chapter 15] 15.6 Additional Se
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[Chapter 6] 6.2 What Is Encryption?
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[Chapter 27] Who Do You Trust? Chap
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[Chapter 27] Who Do You Trust? 27.1
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[Chapter 27] Who Do You Trust? 26.4
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[Chapter 13] Personnel Security con
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[Chapter 3] 3.4 Changing Your Passw
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[Chapter 9] Integrity Management Ch
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[Chapter 9] Integrity Management 9.
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[Chapter 9] Integrity Management th
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[Chapter 24] 24.2 Discovering an In
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[Chapter 26] 26.2 Criminal Prosecut
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[Chapter 24] 24.5 An Example If the
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[Chapter 7] 7.2 Sample Backup Strat
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[Chapter 10] 10.8 Managing Log File
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Chapter 6 Cryptography 6.6 Encrypti
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[Chapter 6] 6.6 Encryption Programs
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[Chapter 21] Firewalls 21.1 What's
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[Chapter 21] Firewalls connections
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[Chapter 21] Firewalls kernel will
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[Chapter 21] Firewalls If you allow
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[Chapter 21] Firewalls ● ● Runs
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[Chapter 14] Telephone Security Cha
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[Chapter 10] 10.6 Swatch: A Log Fil
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[Chapter 10] 10.6 Swatch: A Log Fil
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[Chapter 14] 14.4 Modems and Securi
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[Chapter 8] 8.6 The UNIX Encrypted
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[Chapter 8] 8.6 The UNIX Encrypted
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[Chapter 17] TCP/IP Services Chapte
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[Chapter 17] TCP/IP Services to the
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[Chapter 17] TCP/IP Services daytim
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[Chapter 5] 5.6 Device Files consol
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[Chapter 15] 15.5 Security in BNU U
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[Appendix C] C.5 Starting Up UNIX a
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[Chapter 26] Computer Security and
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[Chapter 24] Discovering a Break-in
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[Chapter 24] Discovering a Break-in
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[Chapter 24] 24.6 Resuming Operatio
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[Chapter 25] 25.3 Network Denial of
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[Chapter 25] 25.3 Network Denial of
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[Preface] Which UNIX System? Which
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[Preface] Which UNIX System? to pro
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[Appendix D] Paper Sources D. Paper
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[Appendix D] Paper Sources Sebastop
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[Appendix D] Paper Sources D.1.6 Cr
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[Appendix D] Paper Sources Pfleeger
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[Appendix D] Paper Sources year pri
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[Appendix D] Paper Sources C.5 Star
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[Appendix C] UNIX Processes such as
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[Appendix C] UNIX Processes root 20
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[Appendix C] UNIX Processes michell
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[Appendix B] B.3 SUID and SGID File
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[Chapter 1] Introduction HACKER nou
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[Chapter 1] Introduction policies.
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[Chapter 23] Writing Secure SUID an
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[Chapter 23] Writing Secure SUID an
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[Chapter 27] 27.2 Can You Trust You
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[Appendix E] Electronic Resources A
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[Appendix E] Electronic Resources y
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[Appendix E] Electronic Resources E
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Preface ● ● ● [1] "Securing t
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Preface administrator or manager. I
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[Chapter 25] Denial of Service Atta
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[Chapter 2] 2.3 Cost-Benefit Analys
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[Chapter 2] 2.3 Cost-Benefit Analys
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[Chapter 6] 6.7 Encryption and U.S.
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[Chapter 6] 6.7 Encryption and U.S.
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[Chapter 5] 5.5 SUID ------s--- SGI
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[Chapter 5] 5.5 SUID learn more abo
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[Chapter 5] 5.5 SUID filesystem bou
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[Chapter 5] 5.9 Oddities and Dubiou
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[Appendix E] E.4 Software Resources
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[Chapter 27] 27.3 Can You Trust Peo
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[Chapter 27] 27.3 Can You Trust Peo
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[Chapter 18] WWW Security Chapter 1
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[Chapter 18] WWW Security There are
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[Chapter 15] 15.2 Versions of UUCP
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[Chapter 8] 8.2 Monitoring File For
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[Chapter 5] 5.8 chgrp: Changing a F
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[Appendix C] C.2 Creating Processes
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[Chapter 8] 8.3 Restricting Logins
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[Chapter 5] 5.7 chown: Changing a F
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[Chapter 23] 23.4 Tips on Writing S
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[Chapter 26] 26.3 Civil Actions As
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[Appendix E] E.3 WWW Pages E.3.4 NI
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[Chapter 18] 18.6 Dependence on Thi
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[Chapter 10] 10.5 The UNIX System L
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[Chapter 6] Cryptography 6. Cryptog
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[Chapter 6] Cryptography The revela
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[Chapter 10] 10.4 Per-User Trails i
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[Chapter 11] 11.2 Damage 11.2 Damag
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[Chapter 1] 1.2 What Is an Operatin
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[Chapter 19] 19.7 Other Network Aut
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[Chapter 16] 16.4 Other Network Pro
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[Chapter 5] 5.4 Using Directory Per
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[Chapter 1] 1.5 Role of This Book 1
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[Chapter 23] 23.7 UNIX Pseudo-Rando
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[Chapter 11] 11.6 Protecting Your S
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[Chapter 11] 11.6 Protecting Your S
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[Chapter 12] 12.4 Story: A Failed S
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[Chapter 13] 13.3 Outsiders 13.3 Ou
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[Chapter 6] 6.3 The Enigma Encrypti
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[Chapter 17] 17.4 Security Implicat
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[Chapter 17] 17.4 Security Implicat
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[Chapter 4] 4.2 Special Usernames 4
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[Chapter 4] 4.2 Special Usernames 4
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[Chapter 20] NFS 20. NFS Contents:
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[Chapter 20] NFS The NFS Version 3
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[Chapter 20] NFS the RPC program nu
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[Chapter 20] NFS If the NFS client
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[Chapter 20] NFS the clients virtua
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[Chapter 20] NFS [ Library Home | D
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[Chapter 15] 15.3 UUCP and Security
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[Chapter 21] 21.4 Setting Up the Ga
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[Chapter 21] 21.5 Special Considera
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[Appendix G] Table of IP Services A
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[Appendix G] Table of IP Services 2
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[Appendix G] Table of IP Services 1
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[Appendix G] Table of IP Services h
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[Appendix G] Table of IP Services F
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[Chapter 20] 20.4 Improving NFS Sec
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Page 909 and 910:
Page 911 and 912:
[Chapter 15] 15.8 UUCP Over Network
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[Chapter 23] 23.6 Tips on Generatin
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[Chapter 5] 5.3 The umask 0666 defa
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[Chapter 23] 23.9 A Good Random See
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[Chapter 23] 23.9 A Good Random See
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[Chapter 12] Physical Security as d
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[Chapter 17] 17.6 Network Scanning
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[Chapter 24] 24.3 The Log Files: Di
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[Chapter 18] 18.5 Risks of Web Brow
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[Chapter 18] 18.5 Risks of Web Brow
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[Chapter 22] 22.4 SOCKS Figure 22.1
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22.4.5 SOCKS Identification Policy
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[Chapter 22] 22.4 SOCKS Obviously,
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[Chapter 22] 22.4 SOCKS [ Library H
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[Chapter 20] 20.3 Client-Side NFS S
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[Appendix F] F.2 U. S. Government O
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[Chapter 17] 17.5 Monitoring Your N
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[Chapter 19] RPC, NIS, NIS+, and Ke
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[Chapter 19] RPC, NIS, NIS+, and Ke
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[Chapter 11] 11.4 Entry environment
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[Chapter 3] 3.5 Verifying Your New
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[Chapter 3] 3.5 Verifying Your New
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[Chapter 21] 21.2 Building Your Own
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[Chapter 21] 21.2 Building Your Own
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[Appendix D] D.2 Security Periodica
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[Appendix D] D.2 Security Periodica
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[Chapter 14] 14.2 Serial Interfaces
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[Appendix C] C.3 Signals C.3 Signal
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[Appendix C] C.3 Signals overflows)
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[Chapter 27] 27.4 What All This Mea
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[Appendix E] E.2 Usenet Groups E.2
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[Chapter 15] 15.9 Summary 15.9 Summ
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[Preface] Scope of This Book into y
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[Preface] Scope of This Book Append
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[Preface] Conventions Used in This
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[Preface] Acknowledgments Acknowled
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[Preface] Acknowledgments [ Library
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[Preface] A Note to Computer Cracke
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[Part II] User Responsibilities Par
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[Part III] System Security Part III
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[Chapter 20] 20.5 Some Last Comment
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[Chapter 20] 20.5 Some Last Comment
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[Chapter 22] Wrappers and Proxies C
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[Chapter 21] 21.3 Example: Cisco Sy
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destination Specifies the address o
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[Chapter 21] 21.3 Example: Cisco Sy
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[Chapter 21] 21.6 Final Comments
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[Chapter 22] 22.2 sendmail (smap/sm
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Page 1009 and 1010:
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[Chapter 22] 22.3 tcpwrapper ● Tr
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[Chapter 22] 22.3 tcpwrapper 6. 7.
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[Chapter 22] 22.3 tcpwrapper # # /e
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} [Chapter 22] 22.3 tcpwrapper sed
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[Chapter 22] 22.6 Writing Your Own
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[Chapter 22] 22.6 Writing Your Own
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[Part VI] Handling Security Inciden
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[Appendix B] Important Files B. Imp
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[Appendix B] Important Files /etc/d
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[Appendix B] Important Files chgrp
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[Appendix B] Important Files rc? Bo
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