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48%
Neglected IPv6 features endanger the LAN
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Stanislaw Tokarski, 123RF.com
the source and target addresses are part of the link-local scope (fe80::/10), the transport protocol is IPv6. Since IPv6 is enabled and LLMNR provides name resolution, the pending messages are now also
48%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
late September 2011 comprises FreeBSD 8.1, which is tailored for use as a firewall and router. If desired, pfSense will also act as a DHCP server, a data provider for sniffers such as Wireshark, a VPN
48%
Zarafa on the Univention Corporate Server
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Andres Rodriguez, 123RF.com
Univention's Corporate Server has established itself in the open source community as an infrastructure provider for many free projects and products like Zarafa, Open-Xchange, or Kolab. Although all
48%
The next generation of Internet connectivity
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
ktsdesign, 123RF.com
not provide IPv6 service, let alone have a high level of experience with it. IPv6 Differences Beyond the larger address space, IPv6 has some very different features. For example, allocation of networks can
48%
Configuration management with Chef
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alistair Cotton, 123RF.com
to the original version: sudo gem uninstall -aIx json sudo gem install -v1.4.2 json The steps thus far provide the underpinnings for Chef operations. Now, you need to concentrate on the installation, particularly
48%
Enterprise communication with IRC
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© anyka, 123RF.com
. User and Operator Flags The principle of user flags and operator flags has existed in IRC since the beginning. Flags allow users to access certain functions; in the case of administrators, flags provide
48%
Archiving email and documents for small businesses
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Pavlenko Evgenly, fotolia.com
business, you will not typically have the infrastructure for this because the email accounts are hosted by an external provider. The email client needs to use the Maildir storage format to ensure a single
48%
Performance testing monitoring solutions
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Kheng Ho Toh, 123RF.com
The Nagios environment [1] contains a large number of components that cooperate to provide a platform for monitoring IT systems. Starting with the Nagios core, which is responsible for running
48%
Agile system management in large-scale environments with Func
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
bowie15, 123RF
number of modules available on any client system. Each of these modules provides various methods that can be called via the centralized management system or from other client systems. The modules contain
48%
Server virtualization with Citrix XenServer
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Goss Vitalij, Fotolia
for installing various Linux guest systems, Citrix offers XenCenter (Figure 1), a Windows-based management application for the host and virtualized guest systems. XenCenter provides a GUI and thus facilitates

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