... directly access some organizational resources for
additional services. For example, access to DNS services requires access to a DNS server. While
permitting access to such resources, the access ... NAC Systems
Abstract
The threat of viruses, worms, information theft and lack of control of the IT infrastructure has lead
companies to implement security solutions to control the access ... tasked with
one goal – controlling the access to a network using various methods and solutions. This whitepaper
examines the different strategies used to provide network access controls. The flaws...
... 2:
Router2(config) #access- list 1 deny 42.35.2.18 0.0.0.0
Router2(config) #access- list 1 permit any
o Cách 3:
Router2(config) #access- list 1 deny 42.35.2.18
Router2(config) #access- list 1 permit any
ã Bc 10: t access- list ...
một access- list chỉ chận địa chỉ IP 42.35.2.18 kèm theo lệnh access- list 1 permit any. Có 3 cách để thực
hiện:
o Cách 1:
Router2(config) #access- list 1 deny host 42.35.2.18
Router2(config) #access- list ... cần thực hiện là “IP access- group 1 in”.
Router2(config)#interface ethernet0
Router2(config-if)#ip access- group 1 in
Router2(config-if)#exit
3
d. Kim nh li cỏc Standard Access List
ã Bc 11:...
... lệnh cần thực hiện là “IP access- group 1 in”.
d. Kiểm định lại các Standard Access List
2
THỰC HÀNH AccessControl List - ACL
1. Mục đích: làm quen với ACLs (Access Control List) và công dụng ... ACL) có thể chặn Router4 ping đến Router2. Tạo
một access- list chỉ chặn địa chỉ IP 42.35.2.18 kèm theo lệnh access- list 1 permit any.
ã Bc 10: t access- list va tạo vào giao tiếp FastEthernet 0/0. ... hợp chính xác” và bit 1 có nghĩa là “không cần xét”.
Áp đặt access- list vào một giao tiếp trên Router bằng lệnh:
ip access- group [access- list-number] [in | out]
ã Chn mt host c bit: tất cả các...
... Climate Control Systems
Parked Car Ventilation
The Parked Car stationary ventilation can be activated directly via the controller under
timer control or via a remote start.
When operated via the controller, ... output is controlled by the IHKA control unit by means of an infinitely
variable control valve. The IHKA control command is converted into infinitely variable pro-
portional powering of the control ... Blower power reduction to 50% of level two.
3. Switch off blower.
4
E70 Climate Control Systems
Climate Control Systems
Model: E70
Production: From Start of Production
After completion of this...
... Copyright 2003, Cisco Systems, Inc. Case Study: AccessControl Lists (ACLs) 1-15
To help with the physical layer design the company has ... Signature:_________________________Date:_______________
Copyright 2003, Cisco Systems, Inc. Case Study: AccessControl Lists (ACLs) 1-9
For the demonstration, the company agrees that it is ... appropriate format
■
Provide a written final report
Copyright 2003, Cisco Systems, Inc. Case Study: AccessControl Lists (ACLs) 1-13
VLAN Port Assignments
Update the switch tables, located...
... source
7.4.3.2 Lệnh ip access- group
Lệnh này dùng để liên kết một danh sách truy cập đã tồn tại vào một giao diện. Cú
pháp như sau:
ip access- group access- list-No {in/out}
o access- list-no: số ... đề tổng quát, cú pháp được mô
tả như sau:
access- list access- list- number {permit|deny} {test conditions}
o access- list: là từ khóa bắt buộc
o access- list-number: Lệnh tổng thể này dùng để ... giao diện. Cú pháp như sau:
{protocol} access- group access- list-number
Với:
Protocol: là giao thức áp dụng danh sách truy cập
Access- group: là từ khóa
Access- list-number: Số hiệu nhận dạng...
... lệnh:
Router(config) #access- list
access- list-number
{deny | permit}
source [
source-wildcard
]
………………
Router(config-if)#{protocol} access- group
access- list-number
{in | out}
Hủy một ACL:
Router(config)#no access- list
access- list-number
... 0.0.0.0 eq 21
Config# access- list 100 permit IP any any
Config#int s0
Config-if# ip access- group 100 IN
192.168.0.18 should be denied website of 192.168.0.34
On Router R3
Config# Access- list 100 deny ... access- list
access- list-number
381
CHƯƠNG 7
407
Danh sách kiểm tra truy cập (ACL)
Tạo ACL mở rộng
S0
S0
E0
E0
A
B
192.168.0.34 should be denied FTP of 192.168.0.18
On Router R1
Config# Access- list...
... Authorization
Default router access first requires an administrator to gain user-level access before
attempting privileged-level access. Thus, protecting and controlling user-level access
into the routers ... methods for access are the lines—
console port, auxiliary port, and virtual TTYs. Additional methods include HTTP,
TFTP, and SNMP access, and each method of access requires its own access control
configuration.
Console ... rebooted.
Privileged-level access control
Once a user is logged into a line with user-level access, he can use the enable com-
mand to attempt to gain privilege access. Privilege access allows a user...
... leaving the accounting details
for Chapter 11. AAA accesscontrol provides much greater scalability and functional-
ity than the basic accesscontrol methods discussed in Chapter 3. AAA can use ... configured to use
smart cards or token-based access control. A word of warning, however: due to the
way that HTTP performs authentication, token-based accesscontrol cannot be used.
AAA Security Checklist
This ... rights reserved.
AAA Security Checklist
|
51
Token-Based Access Control
An authentication method that offers additional security is token-based access con-
trol. With this method, each user has a...
... system
6 “Hands-on” Design of Control Systems
“Hands on Design systems refers to directly working with the system to be controlled and trying
a variety of controllers and control parameters.
6.1 Performance ... newtons/meter/sec
˙x
1
˙x
2
˙x
3
˙x
4
=
0100
−
k
m
1
−
c
m
1
k
m
1
c
m
1
0001
k
m
2
c
m
2
−
k
m
2
−
c
m
2
x
1
x
2
x
3
x
4
+
0
1
m
1
0
0
u
4
K
p
K
i
K
d
controller 1 100
controller 2 10 0 0
controller 3 20 0 0
controller 4 20 1 0
controller 5 20 1 20
Plot all the unit-step output (y(t) ... value.
We are interested in three types of controllers:
6.2.1 Proportional Control (P -control) :
This is the simplest type of continuous control law. The controller output is made proportional to
the...
... v2.0 - Lab 1.4.3 Copyright 2001, Cisco Systems, Inc.
Access Control List Basics
Access Control Lists (ACLs) are simple but powerful tools. When the access list is
configured, each statement ... standard and extended access lists:
Two-step process. First, the access list is created with one or more access- list
commands while in global configuration mode. Second, the access list is applied ... list.
It is not possible to reorder an access list, skip statements, edit statements, or delete
statements from a numbered access list. With numbered access lists, any attempt to
delete a single...
... v2.0 - Lab 1.4.3 Copyright 2001, Cisco Systems, Inc.
Access Control List Basics
Access Control Lists (ACLs) are simple but powerful tools. When the access list is
configured, each statement ... standard and extended access lists:
Two-step process. First, the access list is created with one or more access- list
commands while in global configuration mode. Second, the access list is applied ... this
step, you will configure an extended ACL to block access to a Web server. Before you
proceed, issue the no access- list 50 and no ip access- group 50 commands
on the Vista router to remove...
... and upper approximations, during
which the training data set is split into certain training data set and possible training data set. Subsequently,
these training sets are forwarded to the GA-based ... inductive learning systems
such as the once prevailing decision tree learning system, the ID3, are unable to deal with imprecise and
inconsistent information present in empirical training data [Khoo ... in many real-life applications
such as medical diagnosis [Slowinski, 1992], control algorithm acquisition and process control [Mrozek,
1992], and structural engineering [Arciszewski and Ziarko,...