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93%
ARP cache poisoning and packet sniffing
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© elisanth, 123RF.com
, IP, OSPF, RIP, TCP, and UDP packets." By crafting your own packet with Nemesis, you can see how ARP cache poisoning works (Listing 1, line 3); then, you create a packet to send in the other direction
93%
Service management by the book
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Michael Flippo, Fotolia.com
is unlimited, allowing flexibility while your help desk grows. The TOPdesk Professional basic license starts at 250 supported end users and can be extended with an end-user license up to 500, 1,000, 1
92%
Monitoring for small and medium-sized companies compared
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
for cover. When we asked about this, our questions remained unanswered – maybe because the vendor had lost faith in their own product after reading our questions … . Unique Selling Point Besides asking
92%
Remotely controllingvirtual machines with virsh
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sellingpix, 123RF.com
available to a virtual machine, you don't need to access the XML file. Instead, each tweak has a practical and short command. For example, virsh -c qemu:///system setmem debian 250000 assigns 250,000KB
92%
A free anti-spam tool for Exchange environments
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© baurka, 123RF.com
for Exchange environments because it is based entirely on SMTP. The solution supports all of the current Exchange versions, including Exchange Server 2010, relying on Bayesian filters, SPF scanning, its own ... Anti-Spam SMTP Proxy gives companies who deploy their own email server a free, but extremely powerful, anti-spam solution.
92%
Fast system management from Puppet Labs
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Artmann Witte, fotolia.com
of prebuilt agents and, assuming you have some knowledge of Ruby, you could write your own agents with additional functionality. The MCollective website offers exhaustive examples [7] to help you do so
92%
Expand your sphere with a piece of Google
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© artida, 123RF.com
for a free user account with Google is given some free disk space on Google's servers, a database, and the ability to launch their own web application. At first, App Engine only supported Python ... Web developers dream of getting their hands on the collective power of Google's servers. Google App Engine offers a free corner of the Google universe. ... Google App Engine ... Expand your sphere with a piece of Google
92%
Run rootless Podman containers as  systemd services
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Photo by Geeky Shots on Unsplash
-subuids 100000-65536 --add-subgids 100000-65536 koan which allocates 65,536 sub-IDs starting from 100,000 to the user koan (substitute your username). As a result, the /etc/subuid and /etc/subgid files must both
92%
Effective honeypots with sensors on production systems
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© monophoto, 123RF.com
exploded in recent years. (From AV-TEST Institute [2], which registered more than 55,000 malicious programs every day.) Although regular updates of signature databases used in virus scanners
92%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Franck Boston, fotolia.com
(without disks) 1,000 (without disks) ~US$ 1,600 and up(without disks) ~US$ 1,000 (without disks) Hardware Processor Dual-core Intel core i3-2120 processor 3

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