Firewalls and Internet Security, Second Edition phần 2 ppt
Firewalls and Internet Security, Second Edition phần 2 ppt
... sgi_pcsd
391 029 1 tcp 1030 sgi_reserved
100083 1 tcp 1031 ttdbserverd
5 423 28147 1 tcp 773
391017 l tcp 738 sgi_mediad
13 421 7 727 2 tcp 627 22
13 421 7 727 l tcp 627 22
100007 2 udp 628 ypbind ... status
100 024 1 tcp 859 status
100 021 1 udp 20 49 nlockmgr
100 021 3 udp
2 0 49
nlockmgr
100 021 4 udp 20 49 nlockmgr
100 021 1 tcp 20 49 nlockmgr
100 021 3 tcp...
Firewalls and Internet Security, Second Edition phần 3 ppt
...
to contain and limit their access to our local host and network. These sandboxes vary between
browsers and implementors. Sometimes they are optimized for speed, not security, A nonstandard
or ...
en-gineering, see [Mitnick et al., 20 02] ,
5.3 Bugs and Back Doors
One of the ways the Internet Worm [Spafford, 1989a, 1989b; Eichin and Rochlis, 1989; Rochlis
and Eichin, 198...
Firewalls and Internet Security, Second Edition phần 4 pptx
...
iplog [Smart et al, 20 00] and honeyd [Spitzner, 20 02] , that will deceive nmap and other scanners
about the operating system you are running. This can be useful for honeypots and similar projects. ... challenge and a secret known to the client. Challenge/response can
be implemented in client software or in a hardware token, or even computed by the user:
challenge: 00193 Wed Se...
Firewalls and Internet Security, Second Edition phần 1 pdf
... Engineering 21 1
11.1 Rulesets 21 2
11 .2 Proxies 21 4
11.3 Building a Firewall from Scratch 21 5
11.4 Firewall Problems 22 7
11.5 Testing Firewalls 23 0
12 Tunneling and VPNs 23 3
12. 1 Tunnels 23 4
12. 2 ... Where to Monitor 28 0
15 .2 Types of IDSs 28 1
15.3 Administering an IDS 28 2
15.4 IDS Tools 28 2
VI Lessons Learned 28 5
16 An Evening with Berferd...
Firewalls and Internet Security, Second Edition phần 5 docx
... Irix 6 .2) , but here we
have:
drwxr
-
xr
-
2
wheel
5 12 Jun 21
b
in
drwx
r
-x
r
-x 3
wheel
5 12 Nov 25
conf
drwx
r
-x
r
-x
2
wheel
5 12 Nov 25
etc
drwx
r
-x
r
-x 3
wheel
20 48 Nov 25
icon
drwx
r
-x
r
-x ... something like 10 .2. 42. 0 /24 .
Part IV
Firewalls and VPNs
184
Kinds of Firewalls
UL'ltDrt
Src
port
dest
port flags comment
allow...
Firewalls and Internet Security, Second Edition phần 6 pdf
... 123 : 123 -d
135 .20 7.10 .20 6 /25 5 .25 5 .25 5 .25 5 -p 17 \
-2 ACCEPT -A input -s 135 .20 7.10 .20 8 /25 5 .25 5 .25 5 .25 5 -d 0.0.0.0/0.0,0.0
123 : 123 -p 17 \
-j ACCEPT -A input -s 135 .20 7.10 .20 8 /25 5 .25 5 .25 5 .25 5 ...
115 .20 7.10 .20 8 /25 5 .25 5 .25 5 .25 5 -p 6 \
-j ACCEPT ! -y -A input -s 0.0.0.0/0.0.0.0 53:51 -d
135 .20 7.10 .20 3 /25 5 .25 5 .25 5 .25 5 -p 17...
Firewalls and Internet Security, Second Edition phần 7 docx
... pass^M
Jan 20 23 :37:13 inet ftpd: < 500 'PASS': command not understood.
Jan 20 23 :37 :24 inet ftpd: > HELP^M
Jan 20 23 :37 :24 inet ftpd: < 21 4- The following commands are
recognized ...
Jan 20 23 :36:55 inet ftpd: < 331 Password required for bfrd.
Jan 20 23 :37:06 inet ftpd: > pass^M
Jan 20 23 :37:06 inet ftpd: < 500 'PASS': comman...
Firewalls and Internet Security, Second Edition phần 8 docx
...
drwxr-xr-x
2
root
5 12
Oct 22 17:07
drwxr-xr-x 2 root 25 60
NOV
24 13:47
-rw-r r
1
root
92
Oct 22 17:08
-rw-r r-
1
root 9646 Oct 22 17:06
-rwxr-xr-x 1 root 901 12
O
ct
22 17:07
# cat
...
/usr/lib, and this, of course, is no accident.
# cd /usr/lib
# cd lbb.aa
# ls -la
total 29 1 92
drwxr-xr-x 2 root 5 12 Nov 24 14:57 .
dtwxr-xr-x 22 root 25 60 Nov 2...
Firewalls and Internet Security, Second Edition phần 9 doc
... 22 22, Internet
Engineering Task Force
T
October 1997. Cited on: 148,149.
http://www.rfc-editor.org/rfc/rfc 222 2.txt
[Myers, 1999] J. Myers. SMTP service extension for authentication. RFC 25 54, ... Portland, OR. Summer 1985. Cited on:
26 2.
Bibliography
[Srisuresh and Egevang, 20 01] P. Sriwesh and K. Egevang. Traditional IP network address translator
(traditional NAT). R...
Firewalls and Internet Security, Second Edition phần 10 pot
...
CA -20 01-09, 24
CA -20 01 -26 , 83
CA-2OO2-03, 62
CA -20 02- 06, 148
CA-2OO2-18, 27 5
CA-2OO2 -23 , 15
CA -20 02- 24, 27 5
CA -20 02- 27, 15, 117, 171
CA-91:04,99
CA-95.01 ,24
CA-95:13, 158
CA-96.03, 26 2 ... 15,39,57,59,61, 62, 71, 105, 130,
154, 156-158, 188, 199, 20 3, 20 4, 20 6,
2
10, 21 9,
22 2, 23 8, 24 3, 24 4, 25 3, 25 5, 27 1, 27 4, 27 5, 27 7,
3...