The invention belongs to the technical field of enterprise mailboxes, and discloses an enterprise mailbox
extranet access security reinforcement method, which comprises the following steps that: step 1, when employees log in a mail
system through OUTLOOK, OWA and a
mobile phone client in a non-office
area network, requests can be submitted to an HAPROXY
proxy server, and the Haproxy can access a control
list according to a self-defined ACL (
Access Control List); when the enterprise mailbox is subjected to hostile attacks of others, the Lua script automatically adds an attacker IP into the
blacklist, and after the same IP attempts to be attacked for multiple times, the Lua script adds the IP into the permanent
blacklist, so that on the premise of conveniently and quickly accessing the enterprise mailbox, the security of accessing the mailbox by an operator through any user side is improved, and the user experience is improved. And the purposes of preventing other people from maliciously attacking the enterprise mailbox, damaging the enterprise mail
system and stealing and leaking the confidential information of the enterprise are achieved, and great convenience is brought to operators in the process of accessing the enterprise mailbox.