Whois queries are used to determine the IP address ranges associated with clients. A whois query can be run on most UNIX environments. In a Windows environment, the tools such as WsPingPro and Sam Spade can be used to perform whois queries. Whois queries can also be executed over the Web from www.arin.net and www.networksolutions.com.

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Understanding /etc/passwd and /etc/shadow

Q. Can you explain /etc/passwd file format for Linux and UNIX operating systems? A. /etc/passwd file stores essential information, which is required during login i.e. user account information. /etc/passwd is

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What are the countermeasures against software keyloggers?

It is very hard to detect a keylogger’s activity. Hence, a Network Administrator should take the following steps as countermeasures against software keyloggers: * Actively monitor the programs running on

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Critical SQL Injection and XSS Vulnerability in Myanmar Engineering Society

PlanetCreator has reported another critical SQL Injection (vulnerability) on Myanmar Engineering Society Website http://www.mes.org.mm SQL injection is a code injection technique that exploits a security vulnerability occurring in the database

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