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42%
Security without firewalls
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© rukanoga, 123RF.com
's usually TCP port 22) to port 2222, for example, to keep port scans from filling up your logs. Without TCP Wrappers enabled, scans might run dictionary attacks on your server where password combinations
42%
Enterprise communication with IRC
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© anyka, 123RF.com
on */ 17 port = 5556; 18 19 /* hub mask: the mask of servers that this server may hub. Multiple 20 * entries are permitted 21 */ 22 hub_mask = "*"; 23 24
42%
Password protection with Phpass
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Michael Moeller, fotolia.com
be in the database for a production web application 18 $result = $hasher->CheckPassword($password, $passwordfromdb); 19 20 if ($result) { 21 echo "Password match!"; 22 } 23 else { 24 echo "Password
42%
Maatkit tools for database administrators
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
tiero, 123RF
of the stress test shown in Figure 2, shows that some 19,200 queries composed of 55 different commands were issued. The system, a server with 768MB of RAM and a Pentium 3 CPU, took a total of 22 seconds to answer
42%
State-of-the-art virtual private networks
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Maxim Kazmin, 123RF.com
, compared with 20 bytes in IPsec over HTTPS, there is actually no real need to encapsulate in PPP packets. In IPsec, ESP builds directly on IP. Microsoft is quite obviously seeking to set itself apart
42%
Using AppLocker to block applications on networks
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Jennifer Huls, 123RF.com
:\Windows\Microsoft.NET\Framework and enter the command: installutil "c:\Program Files (x86)\SDM Software\Group Policy Health CMDlet\GetSdmGPHealth.dll" Note that you must be the administrator to run this command successfully at the prompt
42%
Updating Small Business Server 2008
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Petra Wanzki, Fotolia
for Windows Server 2008. Start by downloading the installation file for the service pack [1] and make sure you have the x64 variant. After you double-click the .exe file, SBS 2008 will show you a message from
42%
Backup tools to save you time and money
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Melissa King, 123RF.com
machines. Moving an external hard disk between two machines might be easiest, but with 20 machines, you should definitely consider a centralized system. Here, too, you must consider the speed at which you
42%
FreePBX phone system
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © Lofik, Fotolia.com
for FreePBX for the x86_64 platform. Of course, the Raspberry Pi uses the ARM64 architecture. Although you can find scripts online under the RasPBX umbrella that automatically compile FreePBX on a Raspberry
42%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
System, DUP: total=8.00MB, used=4.00KB Metadata, DUP: total=1.00GB, used=79.20MB If Btrfs only has one device available when the filesystem is created, it automatically generates a duplicate

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