This paper presents protocols for securing all-optical networks (AON) against physical-level attacks by employing a combination of proactive and reactive measures. It outlines three primary components vulnerable to attacks and proposes a system for establishing secured lightpaths, managing security databases, and performing on-the-fly restoration of lightpaths during incidents. The effectiveness of the proposed methods, including the use of fiber diversity and security envelopes, is supported by analytical models and simulation results.