acl cisco

Experiment topology:Objective: To: (1) Disable pc3 access without affecting hosts on other LAN(2) enable all hosts in the LAN to access the Internet. (Only one public address is available)(3) automatically obtain the Host IP address in the LAN.(4) r1 provides single-arm routing and dhcp functions to implement inter-vlan CommunicationIn accordance with the above requirements, to allow all hosts to access the Internet with only one public IP address, you must use NAT. To disable pc3 from accessing

(Config-if)# ip address 192.168.0.254 255.255.255.0Router(Config-if)# ip access-group 101 in Router(Config)# config tRouter(Config)# no access-list 22Router(Config)# access-list 22 permit 192.168.0.22Router(Config)# access-list deny anyRouter(Config)# username test privilege 10 **** ! Set the SSH timeout interval and number of logon attempts Router(Config)# ip ssh timeout 90Router(Config)# ip ssh anthentication-retries 2Router(Config)# line vty 0 4Router(Config-line)# access-c

The full name of ACL is access control list, which is translated into Chinese as an access control list. It is generally used to describe the user authorization under a certain permission. Encapsulate permission information into byte arrays to process authorization and permission verification business logic through bitwise operations,CodeExample: public class privilegeservice {/*** permission byte array * a byte equals to 8bit, A bit indicates the

Sending and receiving an ACL package for bluedroid source code analysis (2) For more information, see my personal website:Http://stackvoid.com/ The previous section describes the data stream entry. This article analyzes the processing functions of L2CAP.Processing at The L2CAP Layer Our music data, through the L2CAP entry function l2c_data_write layer-by-layer "test", has successfully entered the L2CAP. Next let's take a look at how the L2CAP layer pr

Difference between public/private/protected ACL, privateprotected // Differences between public/private/protected access control permissions// Time: 2016/8/16 // (1) modifier: // public: can be used both inside and outside the class. // Protected: Used in the class and inherited subclass. // Private: it can only be used inside a class. // (2) modify the inheritance relationship: // public: The member of the subclass can access the public/protected mem

in IIS, run the following operations, for example:Site-Edit permissions-share (to make it easy to set the audience directly to everyone)--Secure (tick everyone directly)--apply--OK.An issue was encountered in IIS that could not be previewed (HTTP error 401.3-unauthorized because of access control List (ACL) configuration or encryption settings for this resource on WEB server, you do not have permission to view this folder or page. ）

Switch identities:Su-UserExecute once command with identity-CSudo-u User InstructionsUse sudo with visudo except root to modify/etc/sudoersRoot all= (All) all Vbird1 all= (All) all Group support sudo throttling conditions sudo P514sudo su-p516PAM Password Verification P518See who is logged on on the systemW,whoLastlog Last Login time per accountBatch setup Account P531Linux Learning -13-Learning ACL Usage-2

supported by this group7. We can use the groups command to effectively and support group observationAdded User: Useradd,useradd user1,useradd-u 700-g users BirdDelete User: Userdel8. Set the password to use passwd on the line, passwd user is to set the user password9. List user's detailed password parameters: Chage-l user10. In addition to adding and removing users, Linux also provides instructions to fine-tune account-related data, which is usermod.Usermod-c "User test" User: Add user test to

Today received customer demand set service users to/home/service/data/mask/and/home/service/data/mask/send have read and write permissions.View mask and send directory propertiesDrwxrwxr-x 3 root root 3 11:03 maskGetfacl# File:mask# Owner:root# Group:rootUser::rwxGroup::rwxOther::r-xModify the followingTo modify a command:SETFACL-RM u:service:rwx domask/The results are as followsGetfacl# file:rdomask/# Owner:root# Group:rootUser::rwxUser:service:rwxGroup::rwxMask::rwxOther::r-xLinux:posix access

rstring 8. Cookies Enable Cookie-based session stickiness to be implemented in conjunction with the cookie parameters specified by the server;Common form: Cookie websrv insert NoCache Indirect Example: backend websrvs balance roundrobin cookie websrv Insert NoCache indirect Server Web1 10.1.0.68:80 Check weight 2 maxconn cookies web1 server web2 10.1.0.69:80 Check weight 1 maxconn COO Kie WEB2 9. Default_backend When the usage rules for use_backend are not matched, the defa

12000 the Cisco router series is very suitable for small and medium-sized enterprises. Here we mainly analyze the performance characteristics of the Cisco router series. In today's information age, enterprise mail has become an essential tool for business communication and communication. With the new routing technology, enterprise mail also has more and more innovative features. However, compared with diver

After the popularization of broadband, Cisco wireless router settings are frequently faced. So today, I am going to introduce you to the configuration skills of Cisco Wireless routers. I hope this article will teach you more things and bring convenience to your life. After broadband popularization, many friends who have multiple computers or laptops want to install wireless hotspots at home. Because they se

A Router connects two Ethernet segments to the Internet. The router connects to the Internet through the serial port S0, And the Ethernet connects to the router through the ports E0 and E1, respectively. Suppose we want to allow any user to access the 198.78.46.12 server through an IP address, and allow users on the 205.131.175.0 network to access the Internet through Web browsing and FTP.The configuration is as follows: useranme test password cisco