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To ensure the security of the files used by the new Web site, files need to access controls that limit which users can view and execute them. To further your understanding of file permissions, describe in detail these 5 file listings, explain all items on each line, explain what they specify or mean, and give the chmod command to set files with these permissions: -rwxr-xr-- 1 instruct staff 270311 Aug 11 2009 install.sh -rw-r--r-- 1 instruct staff 348039 Aug 12 2008 User_Guide.txt -rw-r----- 1 instruct staff 635106 Aug 12 2009 Admin_Guide.txt drwxr-xr-x 4 instruct staff 144 Aug 12 2009 Documents -rwsr-sr-x 1 nobody nobody 169202 Aug 11 2009 httpd It is also a necessity to know and understand regular expressions, not only at the UNIX command line, but editors and some programs use them quite extensively. Explain the following Metacharacters/Regular Expressions: * ? ^ $ [0-9] [a-z] Give a regular expression to match the following: All files that end in txt Files that have a second character of a and end in sh Any file that starts with a number A blank line A traditional 10-digit U.S.-based phone number, in the following format: (407) 555-1212 Submit the explanations, commands, definitions, and expressions in a Word document.
Computer Science or Information Technology deals with Wireless LAN Security. Wireless LAN Security is gaining importance in the recent times. This report talks about how vulnerable are wireless LAN networks without any security measures and also talk..
This case study about a company named Magna International, a Canada based global supplier of automotive components, modules and systems. Along with the company analysis have been made in this assignment.
The Internet evolution is and is very fast and the Internet exposes the connected computers to attacks and the subsequent losses are in rise.
Islamic calligraphy or Arabic calligraphy is a primary form of art for Islamic visual expression and creativity.
Conduct a comprehensive study about web-based email implementation in gmail. Optionally, you may use sniffer like wireshark or your choice to analyze the communication traffic.
The purpose of this project is to provide you with an opportunity to create a document retention policy. You will also learn how to serve a litigation hold notice for an educational institute.
A report on Tools to enhance Password Protection.
Analyse security procedures
Write a report on DENIAL OF SERVICE (DoS).
Phising email It is multipart, what are the two parts? The HTML part, is it inviting the recepient to click somewhere? What is the email proporting to do when the link is clicked?
Express the Shannon-Hartley capacity theorem in terms of where is the Energy/bit and is the psd of white noise.
Pseudo-random generators, pseudo-random functions and pseudo-random permutations
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