Work in progress

Pre-Proxy filtering:

Access-Request

    User-Name =* ANY,
    Reply-Message =* ANY,
    Service-Type := 'Authenticate-Only',
    State =* ANY,
    Class =* ANY,
    Message-Authenticator =* ANY,
    Calling-Station-ID =* ANY,
    Proxy-State =* ANY,
    EAP-Message =* ANY,
    MS-MPPE-Send-Key =* ANY,
    MS-MPPE-Recv-Key =* ANY,
    Fall-Through = yes
    Chargeable-User-Identity =* ANY,
    Called-Station-ID =* ANY,
    NAS-IP-Address =* ANY,
    NAS-Identifier =* ANY,
    NAS-Port-Type =* ANY,
    NAS-Port-ID =* ANY,
    Acct-Session-Id =* ANY,
    Connect-Info =* ANY
    

Post-Proxy:

Access-Accept

    User-Name =* ANY,
    Reply-Message =* ANY,
    State =* ANY,
    Class =* ANY,
    Message-Authenticator =* ANY,
    Calling-Station-ID =* ANY,
    Proxy-State =* ANY,
    EAP-Message =* ANY,
    MS-MPPE-Send-Key =* ANY,
    MS-MPPE-Recv-Key =* ANY,
    Fall-Through = yes
    Chargeable-User-Identity =* ANY