Practical UNIX & Internet Security phần 3 pptx
Practical UNIX & Internet Security phần 3 pptx
... 13: 19 instructions
-rw-r r 1 sian user 31 59 Feb 9 13: 14 invoice
-rw-r r 1 sian user 631 8 Feb 9 13: 14 letter
-rw 1 sian user 15897 Feb 9 13: 20 more-stuff
-rw-r 1 sian biochem 432 0 Feb 9 13: 20 ... 505 Feb 9 13: 19 instructions
-rw-r r 1 user 31 59 Feb 9 13: 14 invoice
-rw-r r 1 user 631 8 Feb 9 13: 14 letter
-rw 1 user 15897 Feb 9 13: 20 more-stuff
-rw-r 1 biochem 432 0 Feb 9...
Practical UNIX & Internet Security phần 9 pptx
... Meaning
date date set by <user> <user> changed the system date.
login ROOT LOGIN <tty> [FROM <hostname>]
root logged in.
su <user> on <tty> <user> used the su ... FAILURES ON <tty>
[FROM <hostname>] <user>
Somebody tried to log in as <user> and supplied a bad
password more than five times.
reboot rebooted by <user> <us...
Practical UNIX & Internet Security phần 1 pps
... Security
Chapter 13: Personnel Security
Practical UNIX & Internet Security
file:///C|/Oreilly Unix etc/O'Reilly Reference Library/networking/puis/index.htm (1 of 2) [2002-04-12 10: 43: 38]
Simpo ... and UNIX
14.5 .3. 1. Originate testing
14.5 .3. 3. Privilege testing
-l option : 14.5 .3. 1. Originate testing
culture, computer security : D.1.10. Understanding the Com...
Practical UNIX & Internet Security phần 2 ppsx
... services
17.4. Security Implications of Network Services
19.1. Securing Network Services
passwords
3. 2. Passwords
3. 8. Summary
personnel
13. Personnel Security
13. 3. Outsiders
A.1.1.12. Chapter 13: Personnel ... : 11.1.1. Security Tools
World Wide Web
18. WWW Security
18.7. Summary
X Window System
17 .3. 21.2. X security
17 .3. 21 .3. The xhost facility
Security Emergency Re...
Practical UNIX & Internet Security phần 4 docx
... Feb 13 08: 43: 03 1995) <cu1200, , > call aborted
tomh (Tue Mar 14 16:05:00 1995) <a9600, , /dev/cua> call completed
carol (Tue Mar 14 18:08 :33 1995) <mit, 2 531 000, /dev/cua> ... a new
# security record
typeset User=root
cd /var/spool/uucp/.Admin
if [[ -r security. mark ]]
then
if [[ security -nt security. mark ]]
then
comm -3 security security.mark | tee...
Practical UNIX & Internet Security phần 5 ppsx
... Example
ASCII Decimal Value Encoded Value
"RS" 21075 48467
"A" 16672 14579
"wo" 30 575 26195
"rk" 29291 58004
"s!" 294 73 30141
.
As you can see, the encoded ... imagine the following one-time pad:
23 43 11 45 23 43 98 43 52 86 43 87 43 92 34
With this sequence, the message:
UNIX is secure.
Might encrypt as follows:
:\:\:s* :3: \...
Practical UNIX & Internet Security phần 6 doc
... Mounted on
/dev/dsk/c0t3d0s0 9 535 9 82089 8505 91% /
/proc 0 0 0 0% /proc
/dev/dsk/c0t1d0s2 9 632 49 28 037 6 634 7 13 31% /user2
/dev/dsk/c0t2d0s0 1964982 104 837 9 7201 13 59% /user3
/dev/dsk/c0t2d0s6 ... print $names{$uid}, $line, "$mday/$mon";
print (time - $time > $halfyear) ? "/$year" : " "$hour:$min";
print " $host\n";
}
close LA...
Practical UNIX & Internet Security phần 7 ppsx
... <spaf@cs.purdue.edu>
Key fingerprint = 9F 30 B7 C5 8B 52 35 8A 42 4B 73 EE 55 EE C5 41
pub 1024/903C9265 1994/07/15 Simson L. Garfinkel <simsong@acm.org>
Key fingerprint = 68 06 7B 9A 8C E6 58 3D 6E ... string> <return>
* For the *original* whois type: WHOIS [search string] <return>
* For referral whois type: RWHOIS [search string] <return>
*
* For user ass...
Practical UNIX & Internet Security phần 8 pdf
... 1 80 11 :32 : 43 ? 0:05 /usr/dt/bin/dsdm
simsong 14528 14520 80 11 :32 :51 ? 0:18 dtwm
simsong 14 535 14 533 66 11 :33 :04 pts/5 0:01 /usr/local/bin/tcsh
simsong 14529 14520 80 11 :32 :56 ? 0: 03 dtfile ... root 234 227 31 Nov 16 ? 0:00 /usr/lib/saf/listen tcp
simsong 14670 145 63 13 12:22:12 pts/11 0:00 rlogin next
root 235 227 45 Nov 16 ? 0:00 /usr/lib/saf/ttymon
simsong 146 73...
computer network internet security phần 3 pptx
... are a number of "standards" that purport to be taking the place of C2 for the
commercial world. These new criteria, such as "Extended C2" and "Commercial C2"
are, generally, ... is
paraphrased from the Department of Defense "Orange Book", which is the
authoritative document, and the National Computer Security Center's "Red Book"
which i...
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