acl cisco

.[User2 @ localhost sdb] $ getfacl 1.txt -- View File Permissions# File: 1.txt# Owner: user1# Group: user1User: rw-Group: rw-Other: r --[User2 @ localhost sdb] $ getfacl qw -- view directory permissions# File: qw# Owner: user1# Group: user1User: rwxGroup: rwxOther: r-x[Root @ localhost ~] # Setfacl-x u: user1/mnt/sdb -- use-x to cancel Permissions[Root @ localhost ~] # Getfacl/mnt/sdb -- view the canceled PermissionsGetfacl: Removing leading '/' from absolute path names# File: mnt/sdb# Owner: ro

. You know, the way people understand and the way computers are handled is totally different, even the opposite. Most firewall products (Cisco. Huawei does not say, xxwrt all have similar patches. Maybe? Well, it seems to be true. Though I have not witnessed it. Just a guess ...) All of the ACL rule chains that are treated with manual knocks are preprocessed, which in fact is a nf-hipac way, and I've writ

computers are handled is completely different, even the opposite.Most of the firewall products (Cisco, Huawei's temporary don't say, xxwrt all have similar patches, perhaps? Well, it seems to be true, although I have not witnessed, just guess ...) All treat the manual to knock in the ACL rule chain to carry on the preprocessing, this actually is also the Nf-hipac way, I have written several related article

the other category, thenHe will also have access to read and write.2. Add John to the admin group. Then John will be classified as group, then he will have read and write permissions.3. Set sudo so that John can operate on Test.txt as Leonard to gain read and write access.The problem with the first approach is that all users will have read and write operations on Test.txt, which is obviously undesirable.The problem with the second approach is that John is given too much authority. All files tha

ACL (Access Control List) is the Access Control List. The rwx permission is set in detail for a single user, a single file or directory. Users, groups, and default attribute masks can be set. ACL is an additional function supported by Linux system permissions and must be supported by the file system, such as ReiserFS, EXT2, EXT3, EXT4, JFS, and XFS. * ACL: [Roo

Introduction In the previous content, we mentioned that the traditional permission has only three identities (owner, group, others) combined with three permissions (r, w, x) and three special permissions (SUID, SGID, SBIT), with the development of applications, these permission combinations cannot meet the current complex file system permission control requirements. For example, the permission for the directory data is drwxr-x-. The owner and the Group are both root. without changing the owner a

ACL--The normal permission setting method can only modify the file owner, the group and other people's permissions, if you want to set the file permissions more complex, more detailed words, such as to make each user have different permissions, the traditional method of modifying permissions is not enough, then we need to use Access Control List (ACL) . Directory What is an

Recently, I have been asked how to implement access control between VLANs on a Cisco switch. Generally, I will tell the other party how to apply the ACL to the virtual port of the corresponding VLAN on a layer-3 switch, in fact, I have no chance to practice it myself. Now we have a project that involves this demand. So we carefully studied how to implement access control between VLANs, and discovered the VL

computers are handled is completely different, even the opposite.Most of the firewall products (Cisco, Huawei's temporary don't say, xxwrt all have similar patches, perhaps? Well, it seems to be true, although I have not witnessed, just guess ...) All treat the manual to knock in the ACL rule chain to carry on the preprocessing, this actually is also the Nf-hipac way, I have written several related article

1. Introduction:A. Role:is to prevent the lack of access to the situation, the general permissions have the owner, the group, the other people of the three, when these three can not meet our needs to use ACL permissions 　　 B. Background of the story:A teacher, to a class of students, he set up a folder under the root of the Linux, only allow the class of students to read and write to the directory to perform operations, other people do not, then the p

ACLS are the main purpose of Access Control List to provide traditional owner,group,others read,write , specific permission settings other than Execute permissions,ACLs can be r,w,x for a single user, a single file, or a directory to control permissions, This is useful for use situations that require special permissions. For example, a file that does not allow a single user to access it. ACLS use two commands to control them Getfacl: Get ACL se

Squid's ACL and access list implement efficient access control. Squid is a software that caches Internet data. It receives user download requests and automatically processes the downloaded data. When a user wants to download a home page, he/she can send an application to Squid to download the page instead of Squid. Then, Squid connects to the requested website and requests the home page, the home page is sent to the user and a backup is retained at th

Through the previous two blog we introduced the Linux system user management, Linux users and user group management of the relevant configuration file to explain the user management of the relevant configuration files, including user information file/etc/passwd, user password file/etc/shadow And then introduced the user group information file/etc/group, user group password file/etc/gshadow. The user's home directory, as well as the user's template directory, user management commands for Linux Us

From: http://asus1024.it.com.cn/articles/274027.htm Introduction ACL is the abbreviation of access control lists. For Unix systems,ACL is an additional extension of standard UNIX file attributes (R, W. ACL for users and administratorsBetter control of the ability to read and write files and grant permissions, both commercial UNIX and NTFS and FreeBSDSupports fil

populating each protocol field and having to analyze different result types that the server might return), but every time you see a redis 150 When multiple client commands are in retreat, it is a huge development effort to provide an easy-to-use C + + function interface for each command.In the subsequent development of several projects by the official Hiredis library repeatedly destroyed, finally can not endure, decided to re-develop a new set of Redis client API, the library not only to implem