PeerGuardian is a privacy oriented firewall application. It blocks connections to and from hosts specified in huge blocklists (thousands or millions of IP ranges). Its origin seeds in targeting aggressive IPs while you use P2P.
Installation from ppa: http://help.ubuntu.com/community/MoBlock
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Limited software availability on the Deepin repositories? 
PeerGuardian is a privacy oriented firewall application. It blocks connections to and from hosts specified in huge blocklists (thousands or millions of IP ranges). Its origin seeds in targeting aggressive IPs while you use P2P.
Installation from ppa:
http://help.ubuntu.com/community/MoBlock