NetFilter SDK for Mac OS

Overview
Using NetFilterSDK API
Functions
    nf_init
    nf_free
    nf_registerDriver
    nf_unRegisterDriver
    nf_addRule
    nf_addUdpRule
    nf_deleteRules
    nf_tcpClose
    nf_tcpPostReceive
    nf_tcpPostSend
    nf_tcpSetConnectionState
    nf_setTCPTimeout
    nf_getTCPConnInfo
    nf_getProcessName
    nf_getUid
    nf_getUserName
    nf_requireFileLimit
    nf_setOptions
Structures
    NF_EventHandler
    NFEXT_RULE
    NF_TCP_CONN_INFO
    NF_UDP_CONN_INFO
    NF_UDP_CONN_REQUEST
    NF_UDP_OPTIONS