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...

Ngày tải lên: 12/08/2014, 22:21

... 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...

Ngày tải lên: 12/08/2014, 22:21

... 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...

Ngày tải lên: 12/08/2014, 22:21

... 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...

Ngày tải lên: 12/08/2014, 22:21

... 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...

Ngày tải lên: 12/08/2014, 22:21

... 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: \...

Ngày tải lên: 12/08/2014, 22:21

... 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...

Ngày tải lên: 12/08/2014, 22:21

... <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...

Ngày tải lên: 12/08/2014, 22:21

... 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...

Ngày tải lên: 12/08/2014, 22:21

... 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...

Ngày tải lên: 14/08/2014, 18:20