OS Hardening
Just allow strong algorithms: echo “MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512,hmac-sha2-256” >> /etc/ssh/sshd_config echo “KexAlgorithms sntrup761x25519-sha512@openssh.com,curve25519-sha256,curve25519-sha256@libssh.org” >> /etc/ssh/sshd_config echo “disable_vrfy_command=yes” >> /etc/postfix/main.cf Change SSH Port Do not use default port 22
Hello world!
Hi everyone! This is a blog write on WordPress. So, I keep the first of sample post “Hello World”. I think, this is so important. I keep to use default themes, because I think You simple need to read some short content. This blog is my method to keep some special contents, and share to…