All Posts tagged as "network administration"

INADEQUATE_SECURITY - SSL Cipher problems with HTTP2

HTTP2 requires encryption over SSL. The recommended SSL protocol for HTTP2 is TLS 1.2. Ciphers are encryption algorithms used by SSL protocols.


Fetching PTR DNS records using Reverse DNS

Reverse DNS or RDNS is the process of fetching the host name for a given IP address. Reverse DNS works similarly to forward DNS.