How to bypass the OpenSSL security level

How to bypass the OpenSSL security level using curl or openssl utility to access legacy services. ...

How to execute non-executable binary

Execute non-executable binary file. ...

How to block IP address using Dynamic Firewall Manager

Block IP address using Dynamic Firewall Manager. ...

September 16, 2022 · milosz · firewalld

How to immediately drop incoming and outgoing packets using Dynamic Firewall Manager

Enable panic mode to immediately drop incoming and outgoing packets using Dynamic Firewall Manager. ...

How to use Dynamic Firewall Manager

Use Dynamic Firewall Manager to configure a basic zone-based firewall. ...

How to protect Samba DNS server against DNS zone transfer

Debian Bullseye currently provides Samba 4.13.5. Using BIND as Samba Active Directory DNS backend opens it to the DNS zone transfer. ...

How to inspect mitigations for CPU vulnerabilities

Inspect mitigations for CPU vulnerabilities. ...

September 23, 2021 · milosz · JSON

How to export 1Password data

Export 1Password passwords using a command-line utility on Linux. ...

July 19, 2021 · milosz · JSON

How to provide encryption password when using OpenSSL utility

Different ways to provide encryption password when using OpenSSL utility. ...

May 19, 2021 · milosz · OpenSSL

How to install AdGuard Home

Install AdGuard Home Network-wide ads & trackers blocking DNS server. ...

May 17, 2021 · milosz

How to define IP address inside multi-domain SSL certificate

Define IP address inside multi-domain SSL certificate. ...

April 26, 2021 · milosz · OpenSSL

How to check if the certificate matches DNS name or IP address

Check if the certificate matches DNS name or IP address ...

April 2, 2021 · milosz · OpenSSL

How to create a multi-domain SSL certificate without common name

Create a multi-domain SSL certificate without a common name. ...

March 26, 2021 · milosz · OpenSSL

How to generate a base64-encoded secret

Use the OpenSSL utility to generate a base64-encoded secret. ...

March 24, 2021 · milosz · OpenSSL

How to create site-to-site connection using IPsec

Use the native IPsec stack to connect multiple networks over the internet. ...

How to trace packets as they pass through the firewall

Trace packets as they pass through the iptables firewall. ...

How to determine SSL cipher suites supported by the web-server

Determine SSL cipher suites supported by the web-server using OpenSSL. ...

How to log every executed command

Log every executed command to syslog. ...

How to make iptables configuration persistent using systemd

Make iptables configuration persistent using systemd file with additional possibility to disable firewall after defined period of time. ...

How to generate random password using command-line

I will show you how to generate a random password using the OpenSSL utility, standard command-line utilities, Password Generator (pwgen), and Automated Password Generator (APG). ...

How to crack archive password faster

A week ago I wrote about a couple of interesting applications that can crack passwords, but they were not as fast as I thought. After investigating this topic further, I ended up using a community-enhanced version of John the Ripper. ...

How to print contents of virtual console terminal

Sometimes it a good idea to check or just store contents of the virtual console terminal (/dev/vcs[1-63] device). ...

How to check established TCP connections

Display established TCP connections inside the terminal. ...