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15%
Kolab iRony with CalDAV and CardDAV support
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Pablo Hidalgo, 123RF.com
As mobile clients become more popular, admins find it increasingly difficult to avoid offering remote access to calendars and address data to their users. Despite being open source and open
15%
Spanning Tree Protocol
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
switch port sends and receives BPDUs. However, this property allows remote attackers to discover and change the topology with forged BPDUs. Countermeasures include BPDU Guards and Filters (see the box
15%
Security after Heartbleed – OpenSSL and its alternatives
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © Ilya Masik, fotolia.com
for years that would allow remote attackers to gain root access. Figure 5: Theo de Raadt (here with Jon "maddog" Hall) is one of the most outspoken BSD
15%
Harden your OpenStack configuration
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © zelfit, 123RF.com
-manage for this purpose that allows the initial setup without a remote admin token. OpenStack admins need to ensure that the admin_token entry is commented out in keystone.conf file and does not contain a value. Any Open
15%
Relational databases as containers
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © James Thew, 123RF.com
of data from the container instance. For the latter, the admin simply needs to ensure that the corresponding hosts have access to the remote data store. For further details on plugins for data volumes
15%
Adding high availability to a Linux VoIP PBX
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Lead Image © MIR, Fotolia.com
, differentiate the systems (i.e., set a unique hostname, IP address, etc.) and then reverse the local and remote settings in the haast.conf file. Installing Optional Components You can skip this part if you
15%
Security features in Windows Server 2022
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Photo by Matthew Henry on Unsplash
in Remote Direct Memory Access (RDMA) and SMB Direct. Windows Server 2022 uses AES 128 and AES 256, and the connection variants and encryption technologies that offer maximum security are always enabled
15%
Tracking down problems with Jaeger
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by Sebastian Molina fotografÌa on Unsplash
on HTTP(S) are widely used today. Solutions such as a high-performance Remote Procedure Call (e.g., gRPC) framework also play a role. What they have in common is that they do not rely exclusively
15%
Managing Active Directory sites and subnets
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Allan Swart, 123RF.com
2). The fastest way to launch it on a domain controller or on a computer with the Remote Server Administration Tools (RSAT) is with dssite.msc. Of course, you can also use PowerShell. To create new
15%
Certificate management with FreeIPA and Dogtag
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by Oscar Sutton on Unsplash
, by remote execution (or an Ansible role), register with the domain: ipa-client-install --hostname=client.mykier.ip --domain=mykier.ip --mkhomedir -w --realm=MYKIER.IP --server

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