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48%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fotoflash, Fotolia.com
a header with a source and target port to each IP packet. The header also contains the packet size in bytes and a checksum. UDP is fast, but it doesn't provide the kind of verification and connection
48%
Protecting web servers with ModSecurity
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© KrishnaKumar Sivaraman, 123RF.com
proxy, it protects web applications on other web servers, such as Tomcat or IIS. Breach also provides a collection of core rules that guarantees the basic security of the web server. Comprehensive
48%
Managing Linux systems with Spacewalk
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© patrimonio designs, Fotolia.com
or the 389 Directory Server. Spacewalk can clone existing channels and create new channels from scratch. This feature gives you full control of the software stack that you provide via Spacewalk. Configuration
47%
Get the best out of your bandwidth with tc
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Russell Shively, 123RF.com
's Internet. The good news is that Linux provides a formidable bandwidth throttling solution that is hard to ignore. With the ability to control bandwidth on routers, servers, and desktops, this solution
47%
Monitoring for small and medium-sized companies compared
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
by vendor and partners available   Many support variants available from service providers Community support and various service providers from Nagios Inc. for the commercial version
47%
Flexible user authentication with PAM
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Ana Vasileva, Fotolia.com
administrators the option of offering a variety of different authentication methods to their users while providing scope for controlling the total user session workflow. Old School User logins on Linux systems
47%
Unifying events with Splunk
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Sebastian Duda, 123RF.com
is Splunk [1]. The Splunk website says that Splunk is "… software that provides unique visibility across your entire IT infrastructure from one place in real time. Splunk enables you to search, report
47%
Warding off the rise of VoIP spam
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Izaokas Sapiro, 123RF.com
Intervention: A VoIP provider can't just wait until it's too late. If you offer telephony services, you have to be aware of SPIT from the outset and have a plan you can implement at short notice. Out
47%
Active Directory overview
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Maksym Yemelyanov, 123RF.com
when a single master fails that the administrator needs to assign the FSMO roles to one or multiple other DCs as quickly as possible. Windows servers are not the only servers capable of providing Active
47%
Centralized Logging with Loki, SeaweedFS, and Grafana
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Josh Rakower on Unsplash
. If you prefer to use distribution packages, Debian and Ubuntu provide Loki and Promtail [6] in their Universe and Community repositories, although the packages are not always up to date. For a production

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