Calvin's Dev Logs

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#Security  

SSH hardening on Ubuntu

#Security #Ubuntu #SSH

24 Aug 2024 | Operations

Check server TLS protocol support

#OpenSSL #Security

23 Nov 2021 | Operations

How to set CAA DNS record?

#Security #SSL #DNS

21 Mar 2018 | Operations

SPF validation for your mail server

#Email #SEO #Security #DNS

29 Aug 2016 | Operations

Hiding server identity and signature for Nginx and Passenger

#Security #Nginx #Passenger

22 Aug 2016 | Operations

Blocking malicious crawler in nginx

#Security #Nginx #Crawler #Blacklist

18 Aug 2016 | Operations

Using custom DH Param in Nginx

#Security #SSL #Nginx #DH Param

18 Aug 2016 | Operations