 <a href=#32-rate-limiting class=md-nav__link> <span class=md-ellipsis> 3.2 Rate Limiting </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#4-encryption class=md-nav__link> <span class=md-ellipsis> 4. Encryption </span> </a> <nav class=md-nav aria-label="4. Encryption"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#41-transport-layer-security-tls class=md-nav__link> <span class=md-ellipsis> 4.1 Transport Layer Security (TLS) </span> </a> </li> <li class=md-nav__item> <a href=