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38%
Virtual switching with Open vSwitch
30.11.2025
Home »  CloudAge  »  Articles  » 
rustycarr, 123RF
guest (Listing 3). Listing 3 Performance Measurement ## Server: ## iperf -s ## Client: # iperf -c 192.168.0.5 -t 60 -------------------------------------------------------- Client ... 3
38%
Virus scanner and content filter with AD authentication
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Denis Makarov, 123RF.com
. With a little support from the Samba project, the Squid proxy [1] can grant users access by referencing their Active Directory accounts. Part 1: Configuring Samba Besides Squid, you will need Samba 3.x, Samba
38%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
uses the syntax tcpdump -n -I -s where -n means tcpdump should not resolve IP addresses to domain names or port numbers to service names, -I is the interface to use
38%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
, most likely, (3/2) x 15 seconds. Finally, -s defines the number of seconds to wait before sshguard "forgets" the attacker's IP address. The line sshguard -l /var/log/auth.log -s 20 instructs sshguard ... 3
38%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
/sysconfig/network-scripts/ifcfg-eth0: DEVICE=eth0 HWADDR=00:16:76:D6:C9:45 ONBOOT=yes SLAVE=yes USERCTL=no Master=bond1 /etc/sysconfig/network-scripts/ifcfg-eth1: DEVICE=eth0 HWADDR=00:16:76:D6:C9:45 ONBOOT=yes SLAVE=yes USERCTL
38%
New approaches for forensics in cloud environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
illustrator, 123RF.com
on the cloud security problem and on corresponding legal issues [1]. This paucity of information was confirmed by other publications [2] [3]. Despite this, the topic is still largely overlooked and a huge amount
38%
Open source data center virtualization with OpenNebula
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
a network. The requirements in terms of dynamic change and availability, however, soon reach their limits with this kind of solution. Besides the rather abstract IaaS services, which you can purchase
38%
Galera Cluster for MySQL
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Noel Powell, fotolia.com
.168.56.103:3306:1 Incoming address: 127.0.0.1:3306 , control FIFO: /tmp/glbd.fifo Control address: 127.0.0.1:4444 Number of threads: 6, source tracking: OFF, verbose: OFF, daemon: YES Destinations: 3 0
38%
Strategies for routing voice calls around a firewall
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
gnohz, 123RF.com
11 12 v=0 13 o=alice 53655765 2353687637 IN IP4192.168.1.10 14 s=- 15 t=0 0 16 c=IN IP4 192.168.1.10 17 m=audio 5678 RTP/AVP 0 1 3 99 18 a=rtpmap:0 PCMU/8000 The most widespread NAPT technology
37%
An IP-based load balancing solution
30.11.2025
Home »  CloudAge  »  Articles  » 
arsgera, 123RF
and least connected, and they are also the most commonly used in LVS clusters. Configuration Piranha [3] is a clustering product from Red Hat based on the LVS concept. It includes the IPVS kernel code ... 3

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