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Solaris Security by Peter H. Gregory

By Peter H. Gregory

Finally, a safety e-book only for Solaris and UNIX(r) approach directors. study the specifics for making your method safe, even if it truly is an organization-wide community or a standalone computing device. specialist writer Peter Gregory has controlled safeguard for every little thing from top-secret company learn amenities to casinos. make the most of his adventure to construct a safe, trustworthy method of your personal. Solaris defense appears on the actual, logical, and human components that have an effect on safeguard, together with: * PROMs, actual protection, bootpaths, permissions, auditing instruments, method logs, passwords, and extra * safe community interfaces and companies for distant and web entry, intrusion detection, entry regulate, e mail, and printing * more advantageous safeguard for NIS, NIS+, DNS, and NFS a distinct part exhibits you ways to plot for the inevitable failures so that you can recuperate your info speedy and competently with out compromising protection. References to books, journals, and on-line assets may help you retain up with the newest recommendations. each bankruptcy opens with a record of key issues and their value, so that you can quick locate the knowledge you would like. even if you're a defense supervisor, info Technology/Systems supervisor or a community administrator, Solaris(tm) protection is the one source to reply to your entire questions and get your platforms healthy now and for the longer term.

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11. % find . -type f -perm -o+w -print System Device Access Permissions Solaris is shipped with appropriate permissions assigned to device files such as disk drives, tape drives, and memory. These permissions are discussed here. A word should be said for Sun's method of indirect references to commonly used devices. For instance, typical disk devices are referenced by SCSI controller and device number, such as /dev/dsk/c0t3d0s0 This example signifies a disk device, controller 0, SCSI target 3, disk 0, slice 0.

People logging onto a UNIX system identify themselves with a userid and its corresponding password. org_dir databases. In addition to a user's primary group, a user can belong to secondary groups. These groups of users are defined in the /etc/group file or in NIS or NIS+ group databases. The /etc/passwd and /etc/group files (and their NIS and NIS+ counterparts) are described in chapter 5. Permission Summary: Read, Write, Execute, SetUID, SetGID, Sticky Bit The basic permissions allowed for a file or directory in UNIX are read, write, or execute (the term search is used in place of execute for a directory—more on this later).

Display all group memberships. 14. 15. % groups 16. staff admins 17. % 18. The newgrp command is used to temporarily change a primary groupid to the groupid of one of the other groups listed in the id -a or groups command. For example % id -a uid=1001(phil), gid=10(staff), groups=10(staff),20(admins) % newgrp admins % id -a uid=1001(phil), gid=20(admins), groups=10(staff),20(admins) % Group File The /etc/group file defines the user groups on a UNIX system and the users that are members of these groups.

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