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48%
Endlessh and tc tarpits slow down attackers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Yewkeo, 123RF.com
FROM alpine:3.9 COPY --from=builder /endlessh / EXPOSE 2222/tcp ENTRYPOINT ["/endlessh"] CMD ["-v"] Assuming Docker is installed correctly (following the installation process for Ubuntu 20.04 in my
47%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
var/opt/bro/logs Subdirectories ls -l /var/opt/bro/logs/ total 244 drwxr-xr-x. 2 root root 4096 Oct 20 00:00 2014-10-19 drwxr-xr-x. 2 root root 12288 Oct 21 00:00 2014-10-20 drwxr-xr-x. 2 root root
47%
OpenSMTPD makes mail server configuration easy
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © alphaspirit, 123RF.com
effort. Multiple Flavors OpenSMTPD is at home not just on its native OpenBSD, but on Linux (with binary packages for Gentoo, Slackware, Debian, and Arch) and other BSDs, including Mac OS X. The package
47%
Where Does Job Output Go?
11.09.2023
Home »  HPC  »  Articles  » 
performance and cost per gigabyte. Go right along the x-axis for increased capacity. Storage Tiering with Local Node Storage When HPC clusters first became popular, each node used a single disk to hold
47%
Where does job output go?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Photo by Charles Forerunner on Unsplash
along the x-axis for increased capacity. Storage Tiering with Local Node Storage When HPC clusters first became popular, each node used a single disk to hold the operating system (OS) that was just
47%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
, such as 2222, which will limit the number of automated port scans testing my security. This step is simple (but remember which port you choose!) and just needs this change: Port 2222 Again, simply reload
47%
Use Linux Containers with WSL2 on Windows
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Muneeb Syed on Unsplash
After installing WSL for container operation, you should always check for and install any Windows updates to be on the safe side. To use the new WSL2 version, the WSL2 Linux kernel update package for x64
46%
Docker image security analysis
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Photo by Rodolfo Sanches Carvalho on Unsplash
2222 -o nginx-trojan saves a new container image to the filesystem called nginx-trojan, which you can upload later to a registry. To protect the innocent, I've obfuscated the IP address, so replace XXX
46%
Docker and Podman environments on Windows and Mac machines
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bowie15 , 123RF.com
systemctl start podman.socket 20 usermod -aG podman $SUDO_USER 21 SHELL 22 end Once you have installed both VirtualBox and Vagrant, either with Homebrew or an installation archive, save
45%
TinyDNS
02.03.2012
Home »  Articles  » 
 
preference – in other words, the preferred delivery order in which the mail server receives the inbound email). @domainname.com::mail2.domainname.com:20:3600 Here, you’re telling TinyDNS to answer MX

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