{HEAD ~ A method} and a system for obtaining {TAIL ~ a Security Shell host key} of a managed device, including: while detecting the managed device, the management station obtaining the related information of the SSH host key in a UDP transport mode 
{ HEAD ~ A method } and a system for obtaining { TAIL ~ a Security Shell host key } of a managed device , including : while detecting the managed device , the management station obtaining the related information of the SSH host key in a UDP transport mode
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