managing traffic with access lists

... logging Control access list logging standard Standard Access List Router(config)#ip access- list standard ? Standard IP access- list number WORD Access- list name Router(config)#ip access- list ... Router(config)#int e1 Router(config-if)#ip access- group 110 out Named Access Lists 命名访问列表是创建标准和扩展访问列表的另外 种方法.它允许你使用命名的方法来创建 和应用标准或者扩展访问列表.使用 ip access- list 命令来创建,如下: Router(config)#ip access- list ? extended Extended ... Monitoring Access Lists 一些验证 ACL 的命令,如下: 1.show access- list:显示 router 上配置了的所有的 ACL 信息,但是不显示哪个接口应用了哪 个 ACL 的信息 2.show access- list [number]:显示具体第几号 ACL 信息,也不显示哪个接口应用了这个 ACL 3.show ip access- list:只显示...

Ngày tải lên: 10/12/2013, 16:15

... reserved ICND v2.0—6-10 Testing Packets with Standard Access Lists © 2002, Cisco Systems, Inc All rights reserved ICND v2.0—6-11 Testing Packets with Extended Access Lists © 2002, Cisco Systems, Inc ... v2.0—6-5 Why Use Access Lists? • Manage IP traffic as network access grows • Filter packets as they pass through the router © 2002, Cisco Systems, Inc All rights reserved ICND v2.0—6-6 Access List ... vty access to or from the router • Without access lists, all packets could be transmitted onto all parts of your network © 2002, Cisco Systems, Inc All rights reserved ICND v2.0—6-7 Other Access...

Ngày tải lên: 06/03/2014, 15:20

Ngày tải lên: 19/10/2013, 02:15

... to 1992 should be tested Patients with a recent or remote history of injection drug use, on chronic hemodialysis, infants born to mothers with HCV or those with evidence of unexplained liver ... screened as well In addition, all patients with HIV infection should be screened since approximately 5-10% of those with positive HCV infection are co-infected with HIV [20] Testing Strategies 1) Serologic ... comply with adequate contraception should not be treated either Treatment should be individualized in patients with the following characteristics: 1) acute HCV infection; 2) coinfection with HIV;...

Ngày tải lên: 02/11/2012, 09:51

... icmp any any access- list 102 deny icmp any any 10 access- list 102 permit ip any any Apply access list 102 as an outbound access control list to the Dallas router interface s0/0 with the following ... Las Vegas site Configure an access list to restrict all other access to the Las Vegas site Configure access control for the terminal lines on all routers Configure an access list to prevent ICMP ... 0.0.0.255 any Without any additional entries, all other access to the Las Vegas site will be restricted by the implicit deny all at the end of access list 101 Apply this list as an incoming access control...

Ngày tải lên: 27/10/2013, 03:15

... route-filtering access lists 151 Page Cisco IOS Access lists Chapter Route Maps 155 6.1 Other access list types .156 6.1.1 Prefix lists 156 6.1.2 AS-path access lists ... forms of access lists, including community lists, AS path access lists, and route maps The chapter goes over policy routing and ends with a discussion of using access lists and routes with BGP, the ... readable access lists 2.2.5 Generic format of extended access lists Now that we have looked at a variety of extended access lists, let's define the generic format of extended access lists as...

Ngày tải lên: 11/12/2013, 00:15

... new access list a Now create an access list that will prevent the even numbered hosts from pinging but permit the odd numbered one b What will that access list look like? Finish this command with ... interface a First remove the old access list application by typing no ip access- group in at the interface configuration mode b Apply the new access list by typing ip access- group in Step 11 Ping ... and repeat until they are successful Step Prevent access to the Ethernet interface from the hosts a Create an access list that will prevent access to FastEthernet from the 192.168.14.0 network...

Ngày tải lên: 21/12/2013, 19:15

... 10 Apply access list to the proper router interface a First remove the old access list application by typing no ip access- group in at the interface configuration mode b Apply the new access list ... Systems, Inc b What will that access list look like? Finish this command with an appropriate comparison IP address (aaa.aaa.aaa.aaa) and wildcard mask (www.www.www.www): ip access- list permit aaa.aaa.aaa.aaa ... and repeat until they are successful Step Prevent access to the Ethernet interface from the hosts a Create an access list that will prevent access to FastEthernet from the 192.168.14.0 network...

Ngày tải lên: 21/12/2013, 19:15

... Router# show access- lists [ACL_#_or_name] Router# show ip access- list [ACL_#_or_name] Here is an example of the show access- lists command: Router# show access- lists Extended IP access list 100 ... restrict the flow of traffic, for either security or traffic policy reasons Cisco allows you affect the flow of traffic from one interface to another by using access control lists (ACLs) ACLs, ... 222934-9 / Chapter 13 IP Access Lists You can be more specific with your filtering in this example For example, if you want to restrict just telnet access, but allow other types of access from 192.168.5.1...

Ngày tải lên: 18/01/2014, 04:20

... server function is active Step Prevent access to HTTP (port 80) the Ethernet interface from the hosts a Create an access list that will prevent Web browsing access to FastEthernet from the 192.168.14.0 ... GAD(config) #access- list 101 deny tcp 192.168.14.0 0.0.0.255 any eq 80 GAD(config) #access- list 101 permit ip any any c Why is the second statement needed? Step Apply the access ... access list to the interface a At the FastEthernet interface mode prompt type: GAD(config-if)#ip access- group 101 in Step Ping the router from the hosts a Were these pings successful? ...

Ngày tải lên: 18/01/2014, 05:20

... server function is active Step Prevent access to HTTP (port 80) from the Ethernet interface hosts a Create an access list that will prevent Web browsing access to FastEthernet from the 192.168.14.0 ... GAD(config) #access- list 101 deny tcp 192.168.14.0 0.0.0.255 any eq 80 GAD(config) #access- list 101 permit ip any any c Why is the second statement needed? Step Apply the access ... passwords Configure the FastEthernet interface on the router according to the chart b Allow HTTP access by issuing the ip http server command in global configuration mode Step Configure the hosts...

Ngày tải lên: 18/01/2014, 05:20

... 172.16.2.0 0.0.0.255 access- list 100 permit ip any any i Another valuable command is the show access- lists command The following is a sample output BHM#show access- lists Extended IP access list 100 ... the show access- lists command How many matches are there? 4-7 CCNA 2: Simple Extended Access Lists v 3.0 - Lab 11.2.2b Copyright  2003, Cisco Systems, Inc Note: The show access- lists ... the access- list with the show running-config command The following lists the valid statements that should be in the configuration interface Serial0 ip access- group 100 out access- list...

Ngày tải lên: 18/01/2014, 05:20

... internal traffic e Verify the syntax of the access lists with the show -access- lists command The output should be similar to the following: GAD#show access- lists GAD#show access- lists Extended IP access ... Systems, Inc i Use the show access- lists command to verify the syntax of the access lists The output should be similar to the following: GAD#show access- lists Extended IP access list 101 permit ip ... access- group 112 out j To verify the syntax of the access lists, use the show -access- lists command The output should be similar to the following: GAD#show access- lists 6-9 CCNA 2: Routers and Routing Basics...

Ngày tải lên: 18/01/2014, 05:20

... Verify the Access Lists a Now that the access lists have been applied, they need to be verified First, verify what lists have been defined From a CLI session on one of the routers with access lists, ... of the routers with access lists, display the access lists with the Boaz#show ip access- lists command Record the information about one of the access lists ... _ b Next, confirm which access list is applied to each interface This is done from the terminal session of one of the routers with access lists, with the Boaz#show ip interface command...

Ngày tải lên: 18/01/2014, 05:20

... SanJose1(config)#int e0 SanJose1(config-if)#ip access- group FILTER-IN in SanJose1(config-if)#ip access- group FILTER-OUT out These commands create two named access lists, FILTER-IN and FILTER-OUT The FILTER-IN ... reflexive access list, as shown: SanJose1(config)#ip access- list extended FILTER-IN SanJose1(config-ext-nacl)#permit ip any any reflect GOODGUYS SanJose1(config-ext-nacl)#exit SanJose1(config)#ip access- list ... FILTER-OUT list looks at the data stored in GOODGUYS and monitors TCP/IP traffic being delivered out the E0 interface Any TCP/IP traffic that originated from the 10.0.0.0 network is allowed to come...

Ngày tải lên: 24/01/2014, 19:20

... SanJose1(config)#int e0 SanJose1(config-if)#ip access- group FILTER-IN in SanJose1(config-if)#ip access- group FILTER-OUT out These commands create two named access lists, FILTER-IN and FILTER-OUT The FILTER-IN ... reflexive access list, as shown: SanJose1(config)#ip access- list extended FILTER-IN SanJose1(config-ext-nacl)#permit ip any any reflect GOODGUYS SanJose1(config-ext-nacl)#exit SanJose1(config)#ip access- list ... FILTER-OUT list looks at the data stored in GOODGUYS and monitors TCP/IP traffic being delivered out the E0 interface Any TCP/IP traffic that originated from the 10.0.0.0 network is allowed to come...

Ngày tải lên: 24/01/2014, 19:20

... for managing them A comprehensive resource for monitoring illegal entry attempts, Managing Security with Snort and IDS Tools provides step-by-step instructions on getting up and running with ... Academic Managing Security with Snort and IDS To By Kerry J Cox, Christopher Gerg Publisher : O'Reilly Pub Date : August 2004 ISBN : 0-596-00661-6 Pages : 288 This practical guide to managing ... O'Reilly logo are registered trademarks of O'Reilly Media, Inc Managing Security with Snort and IDS Tools, the image of a man on a rope with an ax, and related trade dress are trademarks of O'Reilly...

Ngày tải lên: 23/03/2014, 00:20

... www.it-ebooks.info Managing Infrastructure with Puppet www.it-ebooks.info www.it-ebooks.info Managing Infrastructure with Puppet James Loope Beijing • Cambridge • Farnham ... familiar with Linux systems administration and basic Ruby I’ll cover the basics of using Puppet manifests for configuration management and techniques for executing and managing those configurations with ... exist for all sorts of behaviors, such as managing running services; running Puppet; managing packages, processes, and files; and even banning IP addresses with iptables Beyond this, the agents are...

Ngày tải lên: 24/04/2014, 15:31

... or mechanical, including photocopying, without written permission from the publisher Library of Congress Cataloging-in-Publication Data Managing business with electronic commerce : issues and ... Doorn and Laura Rivero/ 1-930708-38-6 Managing Virtual Web Organizations in the 21st Century: Issues and Challenges Ulrich Franke/1-930708-24-6 Managing Business with Electronic Commerce: Issues and ... Publishing catalog with descriptions of these books by calling, toll free 1/800-345-4332 or visit the IGP Online Bookstore at: http://www.idea-group.com! Managing Business with Electronic Commerce:...

Ngày tải lên: 01/06/2014, 09:23

... ý Access- Lists access- list 100 dynamic tempaccess permit tcp host 150.1.1.2 host 152.1.1.1 eq telnet log  tạo dynamic acl có tên tempaccess, cho phép traffic telnet 152.1.1.1 150.1.1.2 - - access- list ... sent with a source address of 150.1.5.5 U.U.U Router4 R4#show ip access- lists Extended IP access list INBOUND 10 permit ospf any any (1 match) 20 permit tcp any any eq telnet 30 Dynamic ACCESS ... người dùng access- list 100 deny ip any any log  thêm câu lệnh để kiếm soát xem có packets match với ACL Bước 4: Kiểm tra RouterA Trước telnet từ PCB Ra#show ip access- lists Extended IP access list...

Ngày tải lên: 25/07/2014, 07:21