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TCP Wrapper
TCP Wrapper is a host-based Networking ACL system, used to filter network access to Internet Protocol servers on operating systems such as Linux or BSD. It allows host or subnetwork IP addresses, names and/or ident query replies, to be used as tokens on which to filter for access control purposes.
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DNSBL
Forward Confirmed reverse DNS
More related topics
Firewall
IP blocking
Nullroute
BSD software
Unix network-related software
Free security software
Network-related software
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