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21%
Secure Your Server with TCP Wrappers
02.10.2012
Home »  Articles  » 
 
, for example, 12.34.56.78 will be allowed to connect to ALL services and not just SSH. As well as these flexible options, you can also declare old school subnets directly: sshd: 1.2.3.4/255.255.255.0 As well
21%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
 package-list.txt Output filename is: package-list.txt.lrz package-list.txt - Compression Ratio: 2.604. Average Compression Speed:  0.000MB/s. Total time: 00:00:00.04 By default, lrzip does not overwrite the original file
21%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
. For example, to run a report every three seconds for five iterations on eth0, you would use the command in Listing 4. Listing 4 capstats /opt/bro/bin/capstats -I 3 -n 5 -i eth0 1415510235
21%
Five multipurpose thin clients compared
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © David Grigg, 123RF.com
approx. US$ 600 approx. US$ 335 CPU Via Eden X2/1GHz Via Eden X2/1GHz AMD G-T44R/1.2GHz AMD G-T56N/1.6GHz Marvell ARMADA PXA 510 v7.1 Chipset
21%
DNSSEC-aware DNS caching with Unbound
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Antonella Grandoni , Fotolia.com
are removed from DNS # answers. Additionally, the DNSSEC validator may mark the answers bogus. # This protects against DNS Rebinding private-address: 10.0.0.0/8 private-address: 172.16.0.0/12
21%
Monitoring Performance with sar
05.03.2014
Home »  Articles  » 
:15:01        all      2.08      0.00      0.96      0.02      0.00     96.94 12:25:01        all      1.96      0.00      0.82      0.06      0.00     97.16 12:35:01 PM     all      1.22      0.00      0.73      0.00      0
21%
Routing with Quagga
19.02.2013
Home »  Articles  » 
 interface eth3 09  ip ospf message-digest-key 1 md5 hallo123 10 ! 11 ! 12 router ospf 13  redistribute connected 14  network 172.16.1.0/24 area 0.0.0.0 15  network 172.17.0.0/ 16 area 0.0.0.016  network 192,168.1.0
21%
Tech News
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
 
) or Link Layer Discovery Protocol (LLDP). Disable Internet Protocol (IP) source routing. Disable Secure Shell (SSH) version 1. Ensure only SSH v2.0 is used with the following cryptographic ... In the news: Hetzner Announces S3-Compatible Object Storage; Ongoing Cyberattack Prompts New CISA Guidance for Communications Infrastructure; OpenMP 6.0 Released; Open Source Development Improves
21%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
to jail>; 10 j.hostname = ; 11 j.ip_number = ; 12 /* call system call */ 13 i = jail(&j); 14 [...] 15 execv(, ...); 16 [...] 17 exit(0); 18
21%
Have a Bash with the Zing network utility
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Micah Tindell on Unsplash
for Internal Network zing.bash -c 4 -op 2 -p 80,443 10.0.0.23 ZING:80/ 10.0.0.23 / Warning: Error: on 80 is: Active. Continue. Port: 80: op 1.1. 10.0.0.23 80 Time: 28 ms. Port: 80: op 1.2. 10.0.0.23 80 Time

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