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18%
Strategies for routing voice calls around a firewall
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
gnohz, 123RF.com
Along with Skype, the Session Initiation Protocol (SIP) is one of the most popular techniques for setting up Voice over IP connections. Thanks to an open standard (IETF RFC 3261 [1]), it is also
18%
Aggregate alerts from various monitoring systems
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Chittima Kasa, 123RF.com
alerts. You can save yourself some work with the docker-alerta Docker image [3] from the GitHub repository. To begin, open the docker-compose.yml file and change the value for ADMIN_PASSWORD; then, start
18%
Search for domain controller vulnerabilities
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © varijanta, 123RF.com
, just type: nmap -O 10.0.1.9 You can also see the operating system's open ports and the services hiding behind them (Figure 1), which works in Windows despite firewalls being enabled
18%
Virtualize Browsers, Apps, and Desktops
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Lead Image © denis cristo, 123RF.com
. Of course, installing and running a terminal server farm with secure access is expensive in terms of both time and resources. The open source Neko project [1] enters the scene at this point, bundling browsers
18%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
file serves your TLS with perfect-forward-secrecy (PFS), does not use OpenSSL, and includes other safety features. The SSL Labs website gives Hiawatha an A-rating, where Apache has a C. Lean. Hiawatha
18%
Appendix – I/O Report from MPI Strace Analyzer
15.02.2012
Home »  HPC  »  Newsletter  »  2012-02-15 HPC...  » 
 
70 72 69 121 flock 0 0 0 0 0 0 0 0 open 77 74 78 74 74 76 73
18%
Appendix – I/O Report from MPI Strace Analyzer
26.01.2012
Home »  HPC  »  Newsletter  »  2012-02-01 HPC...  » 
 
70 72 69 121 flock 0 0 0 0 0 0 0 0 open 77 74 78 74 74 76 73
18%
Exploring Ubuntu cloud tools
28.06.2011
Home »  CloudAge  »  Articles  » 
 
around the corner, and Ubuntu Enterprise Cloud Services (UEC) is an increasingly important and maturing part of Canonical's business. OpenStack Developments With Ubuntu 11.04 "Natty Narwhal," Canonical
18%
Seven free blocking filters for ads
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © enciktep, 123RF.com
Blocker. pfBlockerNG, Unbound-Plus, and Adblock join the fray for networks with pfSense, OPNsense, and OpenWrt, respectively. The NxFilter DNS appliance rounds out the list. All candidates in Table 1 are free
18%
EGroupware, Group Office, and Kopano compared
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © 36clicks, 123RF.com
. In this article, I discuss the possibilities some groupware packages that are off the beaten track (see the "Not Considered" box) open up in a comparison of EGroupware, Group Office, and Kopano. Not Considered

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