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25%
Penetration testing and shell tossing with Metasploit
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Jean-Marie Guyon, 123RF.com
. The new installation will reside in /opt/nessus and will install over the top of any previous Nessus versions. Start the nessus daemon and open your web browser to https://localhost:8834 , then log in, go
25%
Harden your Linux servers to stop malware
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Danila Krylov, 123RF.com
the open source nature of the project. Installation and operation are easy to explain: Use the package manager to install the software, load the signatures, and scan the hard drive. These steps
25%
Creating an SFTP jail
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Juan Manuel Ordonez, 123RF.com
.bash_profile. Note that this setup assumes you will later install OpenSSH in /usr/local/. Listing 1 .bash_profile Variables 01 CC=gcc 02 CPPFLAGS=-I/usr/local/ssl/include 03 EDITOR=vi 04
25%
Managing SSH and other remote connections with PAC
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Ivan Datskov, 123RF.com
, the remote server has output some new messages in the meantime. Figure 3: Just click "Connect" to tell PAC to open all of the connections in the list above
25%
Win-win with Cygwin
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Steve Mann, 123RF.com
cost for these files is minimal compared with the final installation size. Cygwin Installation On the system on which you want to install Cygwin, open a browser and point it to the Cygwin homepage [2
25%
Strategies for routing voice calls around a firewall
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
gnohz, 123RF.com
Along with Skype, the Session Initiation Protocol (SIP) is one of the most popular techniques for setting up Voice over IP connections. Thanks to an open standard (IETF RFC 3261 [1]), it is also
25%
Search for domain controller vulnerabilities
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © varijanta, 123RF.com
, just type: nmap -O 10.0.1.9 You can also see the operating system's open ports and the services hiding behind them (Figure 1), which works in Windows despite firewalls being enabled
25%
Aggregate alerts from various monitoring systems
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Chittima Kasa, 123RF.com
alerts. You can save yourself some work with the docker-alerta Docker image [3] from the GitHub repository. To begin, open the docker-compose.yml file and change the value for ADMIN_PASSWORD; then, start
25%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
, is based on modeling trends in the raw data. Many clever techniques and tools have been developed by statisticians over the years, and much of this intelligence is available in open source statistical
25%
A standard cloud computing API
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
(Figure 1). Figure 1: Apache Deltacloud supports private clouds and a range of public clouds, including Amazon EC2 (Eucalyptus is an open source solution

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