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09.06.2018

Home » Archive » 2018 » Issue 45: Autom... »

machines connected back-to-back with a 100Gbps (100G) network adapter and OpenSSL, our lab tested application s_time on the client and s_server on the server, with and without inline TLS enabled and using

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What's left of TLS

18.07.2013

Home » Archive » 2013 » Issue 15: What’... »

of only 56 bits. The 1990s, when SSLv2 was being developed, were the hot phase of the "Crypto Wars." Strong encryption technologies were forbidden in the United States. Many states talked about only

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Passwords, passphrases, and passkeys

26.03.2025

Home » Archive » 2025 » Issue 86: Data... »

password, and the need to remember it. Unrealistic Rulesets Bill Burr wrote the official password guide for the U.S. National Institute of Standards and Technology (NIST). According to the guide

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Getting started with the Apache Cassandra database

06.10.2019

Home » Archive » 2019 » Issue 53: Secur... »

, represents Unix time (i.e., the number of seconds since January 1, 1970, 0:00 hours). It is multiplied here by 1,000 to obtain the value in milliseconds needed by Cassandra. Also bear in mind that this time

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HPC Data Analytics

08.08.2014

Home » HPC » Articles »

Reduce paradigm [http://discoproject.org] Hadoopy [22] Wrapper for Hadoop using Cython [http://www.hadoopy.com/en/latest/] Graph libraries NetworkX Package

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Exploring Ubuntu cloud tools

28.06.2011

Home » CloudAge » Articles »

Figure 1: Seach on "eucalyptus" in Synaptic. Although the additional packages here are not necessary for a basic installation, the eucalyptus-walrus and eucalyptus-sc packages provide Amazon S3-like

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Network monitoring with Icinga and Raspberry Pi

17.02.2015

Home » Archive » 2015 » Issue 25: Safe... »

generic-service 21 host_name ubuntusrv 22 service_description Current Users 23 check_command check_nrpe!check_users!20!50 24 } 25 26 define

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Installing and operating the Graylog SIEM solution

13.12.2018

Home » Archive » 2018 » Issue 48: Secur... »

. The pwgen command generates a password and encrypts with sh256sum: pwgen -N 1 -s 100 echo -n | sha256sum The encrypted password is then assigned to the parameter root_password_sha2. Table 1 gives

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Let the editor wars begin!

11.10.2016

Home » Archive » 2016 » Issue 35: Persi... »

. For example, you can run the command: : s/XXX/YYY/g This commands substitutes the string XXX for the string YYY, normally for the current line. However, in this case, it does it for the entire file because

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OpenVPN with e-tokens in large-scale environments

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

depends on the liblzo2-2, libpkcs11-helper1, openssl-blacklist, and openvpn-blacklist packages. The next step is to set up your own Public Key Infrastructure (PKI). OpenVPN provides a software tool

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