<p>Pour manifester son droit au recours &agrave; la violence l&eacute;gitime en sa qualit&eacute; d&rsquo;Etat victime d&rsquo;agression dans le cadre de la lutte contre Boko Haram, le Cameroun a mobilis&eacute; ses dispositifs politiques, diplomatiques, normatifs et strat&eacute;giques. Il a ainsi particip&eacute; et organis&eacute; des sommets internationaux et des r&eacute;unions internationales visant &agrave; &eacute;laborer une strat&eacute;gie d&rsquo;endiguement des effets de ladite secte, &agrave; obtenir l&rsquo;am&eacute;nit&eacute; de ses pairs et &agrave; harmoniser l&rsquo;interop&eacute;rabilit&eacute; des actions sur le th&eacute;&acirc;tre des op&eacute;rations. Ce processus marqu&eacute; par une forte activit&eacute; diplomatique lui a conf&eacute;r&eacute; une large sollicitude internationale confirm&eacute;e par la qualit&eacute; des soutiens multidimensionnels venus d&rsquo;Europe, d&rsquo;Eurasie, d&rsquo;Am&eacute;rique, d&rsquo;Afrique et d&rsquo;ailleurs. Au regard des vis&eacute;es g&eacute;opolitiques et g&eacute;ostrat&eacute;gies des uns et des autres qui empi&egrave;tent sur l&rsquo;effectivit&eacute; et la pl&eacute;nitude des choix strat&eacute;giques de ce pays, les soutiens ont &eacute;t&eacute; manifestes. Ce processus visant &agrave; l&eacute;gitimer son choix de recourir &agrave; la violence physique l&eacute;gitime s&rsquo;est appuy&eacute; sur la mobilisation des principes et des priorit&eacute;s strat&eacute;giques. Il s&rsquo;agit de : la pr&eacute;servation de l&rsquo;unit&eacute; nationale, la loyaut&eacute; envers l&rsquo;Etat, l&rsquo;int&eacute;grit&eacute; territoriale et la mobilisation des &eacute;l&eacute;ments doctrinaux sp&eacute;cifiques au Cameroun. Ceux- ci constituent les fondements actifs de ses choix dans sa qu&ecirc;te de l&eacute;gitimit&eacute;, d&rsquo;autorit&eacute;, de souverainet&eacute; et de territorialit&eacute;, toutes contest&eacute;es par Boko Haram.</p> <p>&nbsp;</p> <p><em>Abstract : To demonstrate its right to resort to legitimate violence as a State victim of aggression in the fight against Boko Haram, Cameroon has mobilized its political, diplomatic, normative and strategic mechanisms. It has thus participated in and organized international summits and meetings aimed at developing a strategy to contain the effects of the said sect, to obtain the amenity of its peers and to harmonize the interoperability of actions in the theatre of operations. This process, marked by a strong diplomatic activity, has given to Cameroon a broad international support confirmed by the quality of the multidimensional support from Europe, Eurasia, America, Africa and elsewhere. Despite the geopolitical and geostrategic aims of all parties, which encroach on the effectiveness and fullness of the strategic choices of this country, the support has been somehow effective. This process of legitimizing its choice to resort to legitimate physical violence was based on the mobilization of strategic principles and priorities. These are: the preservation of national unity, loyalty to the State, territorial integrity and the mobilization of doctrinal elements specific to Cameroon. These constitute the active foundations of its choices in its quest for legitimacy, authority, sovereignty and territoriality, all of which are contested by Boko Haram.</em></p>