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tables (NIS+)  2nd 
TACACS and TACACS+ protocols 
tagging, hardware 
TAI (International Atomic Time) 
taint option, Perl 
tainting 
taintperl 
Takedown: The Pursuit and Capture of Kevin Mitnick, America's Most Wanted Computer Outlaw -- By the  
talk program  2nd 
talk service 
tandem backup 
Tanenbaum, Andrew S. 
Tangled Web (Power, Richard) 
tape drives
    cleaning 
    problems with 
    world-readable 
tapes  [See also media]
    degradation of 
    print through process 
    upgrading 
tar program  2nd  3rd  4th  5th 
TCB (trusted computing base) 
/tcb directory 
TCFS (Transparent Cryptographic Filesystem) 
tcov tester 
TCP (Transmission Control Protocol)  2nd  3rd  [See also network services]4th 
    connections, clogging 
    connections, controlling  [See TCP Wrappers program]
TCP Wrappers program  2nd  3rd  4th 
    -DPARANOID option 
    -DPROCESS_OPTION option 
    -DPROCESS_OPTIONS option  2nd 
    configuration language for 
    finger daemons provided with 
    inetd and  2nd 
    IP spoofing and 
    tcpdchk utility for 
    tcpdmatch utility for 
    UDP support 
TCP/IP  [See also networks]
    authentication with ident 
    security checklist for 
TCP/IP Network Administration (Hunt, Craig) 
TCP/IP networks 
    SMB running on 
tcpd program  2nd  [See also TCP Wrappers program; TCP/IP]
tcpdchk utility 
tcpdmatch utility 
tcpdump command  2nd 
tcpserver program 
tcsh  [See also shells]
    history file 
.tcshrc file 
TD (Transmit Data) 
telephone firewalls 
telephone lines
    leasing 
    one-way 
    physical security of 
    sweeping 
    unauthorized 
telephones  [See also modems]
    cellular, computer malfunctions caused by 
    recording call information 
    scanners for 
    security checklist for 
    service, loss of 
    tracing connections from 
telnet program  2nd  3rd  4th 
    compared to rlogin 
    verifying new password with 
Telnet utility 
telnetd program 
    back doors in 
temperature, effects on hardware 
TEMPEST system 
terminal emulators 
terminal service, remote  2nd 
terminals  [See hardware]
terrorism 
testing
    employee 
    modems 
    software  2nd 
TeX files, Trojan horses in 
TFTP (Trivial File Transfer Protocol)  2nd 
tftpd daemon 
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography (Singh, Simon) 
theft of backups 
theft of hardware  2nd 
    encryption and 
    locks preventing 
    precautions for 
    RAM theft 
    recovery for  2nd 
    tagging preventing 
thieves, planting programmed threats 
thin-client Unix systems 
third-party billing 
Thomas, Robert and Carleen 
Thompson, Ken
    "Reflections on Trusting Trust"  2nd 
    crypt() designed by 
    discussing password security 
    Unix developed by 
threads 
threats
    estimating probability of 
    identifying and quantifying  2nd 
    mailing list for 
    replay attacks 
three-way handshake, TCP 
tickets (Kerberos)  2nd 
Tiger system 
tilde (~)
    ~! in mail messages 
    as home directory 
time  [See also NTP; system clock]
    defining random seed by 
    determining accurately 
    file modification 
    granularity of 
    modification 
time service  2nd 
time-sharing  2nd 
timeouts  2nd 
timestamp, Secure RPC window 
Timezone table (NIS+) 
tip command  2nd  3rd  4th  5th 
TLS protocol  2nd 
TMOUT variable 
tmp directory, overload attacks using 
tmpfile() system call 
token cards 
toll fraud 
tools  [See software]
top command  2nd 
Torvalds, Linus 
traceroute command 
tracing connections 
tracing programs 
traffic analysis 
training, employees 
transaction audits 
Transmission Control Protocol  [See TCP]
Transmit Data (TD) 
Transparent Cryptographic Filesystem (TCFS) 
transposition ciphers 
trap doors  [See back doors]2nd  [See back doors]
trashing 
tree structure attacks 
trimlog system 
Triple-DES (3DES) algorithm 
Tripwire package  2nd 
Trivial File Transfer Protocol (TFTP) 
Trojan horses  2nd  3rd 
    as common threat 
    Kerberos and 
    in mass-market software 
    NFS and 
    X clients 
Trojan processes 
truck bombs, as destructive attack 
True Names and Other Dangers (Vinge, Vernor) 
truncate() system call 
trust 
    checklist for 
    in computers  2nd  3rd 
    in consultants 
    in employees 
    in log files 
    in network providers 
    in security response teams 
    in software 
    in system administrator 
    in vendors  2nd 
trusted computing base (TCB) 
trusted hosts 
Trusted Linux 
trusted path 
trusted ports  2nd 
Trusted Solaris 
trusted Unix  [See secure Unix systems]
trusted users 
Tse Huong Choo 
ttymon program 
ttys file  2nd  3rd  4th 
ttytab file 
ttywatch program 
tunefs command 
tunneling  2nd 
two-key cryptography 
twoftpd server 
TZ variable