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Useful articles on domains, hosting and websites

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blog.cat.ssl

Code Signing certificate: special SSL for signing software and code

A Code Signing certificate is a special type of certificate intended for digitally signing distributed programs, drivers, and scripts. It confirms the

10.01.2036 Read →
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blog.cat.ssl

SSL for email servers: configuring Postfix, Dovecot, SMTP and IMAP protection

An SSL certificate for the mail server is a necessary element for encrypting confidential letters and passwords. Postfix SMTP, Dovecot IMAP, and POP3

20.12.2035 Read →
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blog.cat.ssl

SSL for subdomains: Wildcard, Multi-Domain, and installing separate certificates

If your site has multiple subdomains, each needs SSL protection. A Wildcard certificate covers all subdomains, Multi-Domain covers listed subdomains,

05.12.2035 Read →
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blog.cat.ssl

Self-signed SSL certificate: use in development and risks in production

A self-signed certificate is an SSL certificate created and signed by yourself. Convenient for testing and development, but absolutely not recommended

20.11.2035 Read →
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blog.cat.ssl

Getting an A+ rating on SSL Labs: improving your Qualys SSL Server Test result

Qualys SSL Labs is the most authoritative free service for checking your site's SSL configuration. To achieve an A+ rating, you must properly configur

05.11.2035 Read →
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blog.cat.ssl

Choosing cipher suite — AES, ChaCha20 and the future of Post-quantum cryptography

Which cipher suite to choose for a server, difference between AES and ChaCha20, what is future Post-quantum cryptography — complete guide from Sayt.uz

31.10.2035 Read →
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blog.cat.ssl

TLS 1.3 — the new standard, differences from TLS 1.2 and 0-RTT technology

What advantages does TLS 1.3 protocol provide, how it differs from older versions and how 0-RTT works — explained in detail by Sayt.uz specialists.

10.10.2035 Read →
blog.cat.ssl

OCSP stapling — improving SSL speed and server configuration guide

How OCSP stapling technology increases site loading speed, how it is configured in Apache and Nginx, and what benefits it provides — from Sayt.uz spec

18.09.2035 Read →
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blog.cat.ssl

HSTS Strict-Transport-Security and preload list — complete guide for Chrome and Firefox

What is HSTS technology, how it works, how to get into the preload list and what benefits it gives to a website owner — explained by Sayt.uz specialis

02.09.2035 Read →
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