acls stands for

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#!/bin/bashA=aigo.goto.aigo.gotoEcho ${a#*go}Echo ${a##*go}Echo ${a%.*}Echo ${a%%go*}Execution results. Goto.aigo.gotoToAigo.goto.aigoAiThe memo is as follows:#* string--from left to right the first occurrence of the "string" in variable a (most left) and everything on its left is removed (because there is a *)##* string--from left to right, remove the last occurrence of "string" from the variable A (right) and everything on its leftThe% string *--from right to left removes the first "string" (r

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1. Experimental topology and requirements descriptionR1 for the internal network, R2 for the border router, R3 for the external network, the internal network is required to 8:00-17:30 the Internet every day, other times do not limit traffic650) this.width=650; "alt=" Time-based ACL-worry-free grass-sheng13396075087 blog "src=" http://img1.ph.126.net/SQj7T_1pymNS5nngQ28w9g== /6619362364909440844.jpg "style=" border:0px;height:auto;margin:0px 10px 0px 0px; "/>2, basic configuration omittedTo confi

What is an ACLACL is the abbreviation of Access Control List, the main purpose is to provide the traditional owner,group,othersRead,write,execute permission settings outside of the permissions. ACLs can be used for single-user, single-file or directory-basedThe R,W,X permission specification is useful for situations where special permissions are required.What can the ACL do to control permissions? He can focus on several projects:User: You can set per

ACLs are abbreviations for access Control List, and the main purpose is to provide a detailed permission configuration outside of the traditional owner,group,others Read,write,execute permissions. ACLs can be used for single-user, single-file or directory-r,w,x permission specifications, which is useful for situations where special permissions are required.What are the main areas that

belong to file owner and group. SoThe Access Control List (ACL) is used to help us solve this problem.Simply put, an ACL is a way to set permissions on a file/folder for a specific user or group of users. NeedThere are only three commands to master: Getfacl, Setfacl, ChaclYou can install the ACL RPM package before the next discussion.Code:# RPM-IVH libacl-2.2.39-1.1 acl-2.2.39-1.1.i386.rpmIf the configuration is good, yum can install both packages directly# yum-y Install Libacl ACLAdditional su

I have been using ACLs for user Rights Management in Web applications, but it is said that RBAC is more powerful than ACLs and where does the advantage manifest itself? Reply content: I have been using ACLs for user Rights Management in Web applications, but it is said that RBAC is more powerful than ACLs and wher

An ACL is an abbreviation for Access Control List. The basic purpose is to provide a detailed permission configuration beyond the Read,write,execute permissions of the traditional owner,group,others. ACLs can be used for single-user, single-file or folder-r,w,x permission specifications, which is useful for situations where special permissions are required.What are the main areas in which ACLs can control p

. If there is an X on that bit, then these special flags (SUID, sgid, sticky) are shown as lowercase letters (s, s, t), otherwise they are shown as uppercase letters (s, s, T). 3, there is also a large x permission, followed by the ACL will also be mentioned. Second, ACL 1. Enable ACLs Under the XFS and Ext4 file system under Rhel 7, ACL rules have been supported by default (EXT4 already supported by default in RHEL6)---fstab are already integrate

Disadvantages of the traditional permissions model:The traditional UGO permissions model cannot respond to responsible permission setting requirements, such as the ability to set only one group for a file and permission control for that group, but the traditional Ugo model cannot meet the requirements if multiple combinations of the file are accessed and require permission restrictions.ACL permissions are used to manage theACL (Access Control List) is an advanced permission mechanism that allows

#cp/etc/inittab./#getfacl Inittab#setfacl-M U:REDHAT:RW inittabOwner>facl,user> Group > Facl group>All permissions cannot exceed the permissions of maskSETFACL-M m:rwx [filename or directory_name]-X CancelSetfacl-x u:uid file_nameTo set a default access control list for a directory:D:u:uid:perm file_nameMount-o acl/dev/myvg1/mylv1/mntDumpe2fs-h/DEV/MYVG1/MYLV1 (see if ACLs are supported)Tune2fs-oExample: authorizing a user to read permissionsSetfacl-m

# group:usersUser::rwxUser:instructor:r-xUser:natasha:rwxGroup::rwxMask::rwxOther::rwx The ACL can be modified with the "setfacl–m" command.Example: Modify the permissions of the instructor user to rwx. [Email protected] ~]# setfacl-m u:instructor:rwx/home/project/ You can remove a user from an ACL by using the "setfacl-x" command.Example: Remove the instructor user from the ACL. [Email protected] ~]# setfacl-x u:instructor/home/project/

upFastEthernet 1/1 172.16.2.1/24 YES upNull 0 No address YES upR2#show IP Interface BriefInterface ip-address (Pri) OK? StatusSerial 172.16.3.2/24 YES upSerial 1/3 no address YES downFastEthernet 1/0 172.16.4.1/24 YES upFastEthernet 1/1 no address YES downNull 0 No address YES upStep 4 Configure the static route on R1, R2.R1 (config) #ip route 172.16.4.0 255.255.255.0 serial 1/2R2 (config) #ip Route 172.16.1.0 255.255.255.0 serial 1/2R2 (config) #ip Route 172.16.2.0 255.255.255.0 serial 1/2Lab

For Cisco VLAN ACLs first have to define the standard ACL or extented ACL for the selected trafficNote that the selected traffic here is not the final operation on traffic, but rather determines what traffic is handled with VLAN ACLsIf there is no standard ACL or extented ACL that represents this traffic complete release for VLAN ACLs. GeneralThe standard ACL or extented ACL has only permit statements.Confi

::---Other::---3, directly with chmodBecause User A and B belong to group text, the file Test.txt belongs to User A, so you can set the group to have R permission directly, but the disadvantage is that the other users in group test also have permissions.[Email protected] ~]# Getfacl/home/test.txtGetfacl:removing leading '/' from absolute path names# File:home/test.txt# owner:a# Group:testUser::rwxgroup::r--Other::---User B can now access the Test.txt:[Email protected] ~]$ Cat/home/test.txtHello

Zookeeper uses ACLs to control access to nodes, and ACLs are implemented similar to access permissions for UNIX files: use BITS to control the scope and access permissions for node access. But unlike UNIX file systems, for standard scopes, including user (owner of file), group and World (other), zookeeper nodes are not limited. Zookeeper does not have the concept of a znode owner, instead,

Layer-3 Switch ACLs are used to isolate different VLANs. Create three VLANs: vlan10 vlan20 vlan30 www.2cto.com PC1 PC3 vlan10 PC2 PC4 vlan20 PC5 vlan30Vlan10 vlan20 vlan30 cannot communicate with each other but can access the Internet Pc1: 172.16.10.2 pc2: 172.16.20.2 pc3: 172.16.10.3 pc4: 172.16.20.3 pc5: 172.16.30.2 configure R1Int f0/0Ip add 192.168.1.2 255.255.255.0 configure f0/0No shInt lo0Ip add 1.1.1.1 255.255.255.0 configure the loopback IP a

That kind man can send me a copy of the Auth and ACLs on the Zend Framework in the practice project. Now we are studying ZF. There are two open-source blogs on the web that look at the code. Not too hard. There is no example where the key is. As I said above. Authentication and access control. I've studied thinkphp. In real-world projects, user groups and access control nodes can be dynamically added! A few things are confusing! 1 ZF put the resources