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26%
Denial of service defense
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © Russell Shively, 123RF.com
, but then disrupts processing of the request by sending an incomplete HTTP request at a very slow speed, as follows: (1) Slowloris uses TCP to open a client connection to the target server; (2) instead of sending
26%
Life on the Network
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Jesse lee Lang, 123RF
features of popular solutions such as Acronis Backup & Recovery, Arkeia Network Backup, EMC NetWorker, IBM Tivoli Storage Manager, SEP sesam, Symantec NetBackup, and the open source Bacula. Elsewhere up
26%
All for Admins
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
 
with Spacewalk. Other special features include a study of Icinga – a GPLed fork of the popular Nagios network monitoring system, as well as an article on the forks and patches of MySQL and a roundup of open source
26%
News
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
 
Network Architecture portfolio, an open networking framework for efficient IT management and workload intelligence. Dell introduced the Dell Force10 MXL 10/40GbE switch, its first 40Gb blade server switch
26%
Hiding a malicious file from virus scanners
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Ozphoto, Fotolia.com
for network vulnerabilities; however, several of the leading intrusion detection and protection systems are capable of alerting the network owner when a scan is in process. Rather than scanning for an open port
26%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
have put to use in the past to test open ports is the widely used Telnet client. For example, if you were opening a web page to test an HTTP server, you could use something along the lines of: # telnet
26%
Create your own turnkey solutions
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fandorina Liza, 123RF.com
Open source tools make it possible to create powerful software solutions and distribute them effectively. Unfortunately, many open source solutions consist of complex software stacks that are hard
26%
Improve the physical security of your business
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© ginasanders, 123RF.com
public in recent years. In some cases, attackers have succeeded in sniffing and copying the transponders; in others, the original transponder opened the doors although it was nowhere near the building
26%
Manage your own datawith ownCloud 2
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Ratchanida Thippayos, 123RF
ownCloud [1] is an open source online storage service that lets private users and communities run their own cloud storage service on a private root or intranet server. In contrast to closed
26%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fotoflash, Fotolia.com
system to reveal possible open ports that might be vulnerable to attack. Many system administrators use Nmap to reveal possible gaps in the security system before they are discovered by intruders. However

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