codice:
742/tcp    filtered    netrcs
744/tcp    filtered    flexlm
746/tcp    filtered    unknown
749/tcp    filtered    kerberos-adm
752/tcp    filtered    qrh
756/tcp    filtered    unknown
760/tcp    filtered    krbupdate
762/tcp    filtered    quotad
770/tcp    filtered    cadlock
772/tcp    filtered    cycleserv2
774/tcp    filtered    rpasswd
779/tcp    filtered    unknown
781/tcp    filtered    hp-collector
791/tcp    filtered    unknown
795/tcp    filtered    unknown
797/tcp    filtered    unknown
799/tcp    filtered    controlit
802/tcp    filtered    unknown
805/tcp    filtered    unknown
806/tcp    filtered    unknown
807/tcp    filtered    unknown
808/tcp    filtered    unknown
809/tcp    filtered    unknown
811/tcp    filtered    unknown
813/tcp    filtered    unknown
814/tcp    filtered    unknown
819/tcp    filtered    unknown
823/tcp    filtered    unknown
825/tcp    filtered    unknown
829/tcp    filtered    unknown
833/tcp    filtered    unknown
834/tcp    filtered    unknown
835/tcp    filtered    unknown
837/tcp    filtered    unknown
839/tcp    filtered    unknown
840/tcp    filtered    unknown
842/tcp    filtered    unknown
845/tcp    filtered    unknown
849/tcp    filtered    unknown
857/tcp    filtered    unknown
858/tcp    filtered    unknown
859/tcp    filtered    unknown
860/tcp    filtered    unknown
861/tcp    filtered    unknown
862/tcp    filtered    unknown
864/tcp    filtered    unknown
865/tcp    filtered    unknown
878/tcp    filtered    unknown
885/tcp    filtered    unknown
886/tcp    filtered    unknown
889/tcp    filtered    unknown
891/tcp    filtered    unknown
894/tcp    filtered    unknown
895/tcp    filtered    unknown
897/tcp    filtered    unknown
899/tcp    filtered    unknown
906/tcp    filtered    unknown
908/tcp    filtered    unknown
910/tcp    filtered    unknown
911/tcp    filtered    unknown
913/tcp    filtered    unknown
915/tcp    filtered    unknown
916/tcp    filtered    unknown
921/tcp    filtered    unknown
923/tcp    filtered    unknown
925/tcp    filtered    unknown
926/tcp    filtered    unknown
927/tcp    filtered    unknown
929/tcp    filtered    unknown
931/tcp    filtered    unknown
935/tcp    filtered    unknown
939/tcp    filtered    unknown
941/tcp    filtered    unknown
942/tcp    filtered    unknown
947/tcp    filtered    unknown
948/tcp    filtered    unknown
949/tcp    filtered    unknown
952/tcp    filtered    unknown
959/tcp    filtered    unknown
961/tcp    filtered    unknown
963/tcp    filtered    unknown
964/tcp    filtered    unknown
965/tcp    filtered    unknown
968/tcp    filtered    unknown
969/tcp    filtered    unknown
970/tcp    filtered    unknown
973/tcp    filtered    unknown
980/tcp    filtered    unknown
983/tcp    filtered    unknown
984/tcp    filtered    unknown
988/tcp    filtered    unknown
991/tcp    filtered    unknown
992/tcp    filtered    telnets
994/tcp    filtered    ircs
996/tcp    filtered    xtreelic
999/tcp    filtered    garcon
1002/tcp   filtered    unknown
1004/tcp   filtered    unknown
1005/tcp   filtered    unknown
1011/tcp   filtered    unknown
1017/tcp   filtered    unknown
1018/tcp   filtered    unknown
1022/tcp   filtered    unknown
1024/tcp   filtered    kdm
1026/tcp   filtered    LSA-or-nterm
1031/tcp   filtered    iad2
1032/tcp   filtered    iad3
1058/tcp   filtered    nim
1139/tcp   filtered    cce3x
1155/tcp   filtered    nfa
1212/tcp   filtered    lupa
1220/tcp   filtered    quicktime
1222/tcp   filtered    nerv
1248/tcp   filtered    hermes
1346/tcp   filtered    alta-ana-lm
1350/tcp   filtered    editbench
1352/tcp   filtered    lotusnotes
1353/tcp   filtered    relief
1354/tcp   filtered    rightbrain
1355/tcp   filtered    intuitive-edge
1359/tcp   filtered    ftsrv
1365/tcp   filtered    adapt-sna
1366/tcp   filtered    netware-csp
1367/tcp   filtered    dcs
1368/tcp   filtered    screencast
1370/tcp   filtered    us-gv
1373/tcp   filtered    chromagrafx
1374/tcp   filtered    molly
1378/tcp   filtered    elan
1380/tcp   filtered    telesis-licman
1381/tcp   filtered    apple-licman
1385/tcp   filtered    atex_elmd
1388/tcp   filtered    objective-dbc
1394/tcp   filtered    iclpv-nlc
1395/tcp   filtered    iclpv-wsm
1398/tcp   filtered    video-activmail
1401/tcp   filtered    goldleaf-licman
1402/tcp   filtered    prm-sm-np
1404/tcp   filtered    igi-lm
1405/tcp   filtered    ibm-res
1412/tcp   filtered    innosys
1423/tcp   filtered    essbase
1431/tcp   filtered    rgtp
1433/tcp   filtered    ms-sql-s
1436/tcp   filtered    sas-2
1437/tcp   filtered    tabula
1439/tcp   filtered    eicon-x25
1443/tcp   filtered    ies-lm
1446/tcp   filtered    ora-lm
1450/tcp   filtered    dwf
1452/tcp   filtered    gtegsc-lm
1453/tcp   filtered    genie-lm
1464/tcp   filtered    msl_lmd
1469/tcp   filtered    aal-lm
1470/tcp   filtered    uaiact
1471/tcp   filtered    csdmbase
1472/tcp   filtered    csdm
1473/tcp   filtered    openmath
1476/tcp   filtered    clvm-cfg
1478/tcp   filtered    ms-sna-base
1479/tcp   filtered    dberegister
1480/tcp   filtered    pacerforum
1481/tcp   filtered    airs
1483/tcp   filtered    afs
1487/tcp   filtered    localinfosrvr
1489/tcp   filtered    dmdocbroker
1490/tcp   filtered    insitu-conf
1495/tcp   filtered    cvc
1503/tcp   filtered    imtc-mcs
1506/tcp   filtered    utcd
1507/tcp   filtered    symplex
1508/tcp   filtered    diagmond
1513/tcp   filtered    fujitsu-dtc
1514/tcp   filtered    fujitsu-dtcns
1515/tcp   filtered    ifor-protocol
1517/tcp   filtered    vpac
1518/tcp   filtered    vpvd
1520/tcp   filtered    atm-zip-office
1521/tcp   filtered    oracle
1525/tcp   filtered    orasrv
1526/tcp   filtered    pdap-np
1529/tcp   filtered    support
1535/tcp   filtered    ampr-info
1538/tcp   filtered    3ds-lm
1540/tcp   filtered    rds
1541/tcp   filtered    rds2
1542/tcp   filtered    gridgen-elmd
1543/tcp   filtered    simba-cs
1544/tcp   filtered    aspeclmd
1545/tcp   filtered    vistium-share
1547/tcp   filtered    laplink
1548/tcp   filtered    axon-lm
1663/tcp   filtered    netview-aix-3
1667/tcp   filtered    netview-aix-7
1668/tcp   filtered    netview-aix-8
1670/tcp   filtered    netview-aix-10
1680/tcp   filtered    CarbonCopy
1723/tcp   filtered    pptp
1755/tcp   filtered    wms
1827/tcp   filtered    pcm
1900/tcp   filtered    UPnP
1986/tcp   filtered    licensedaemon
1987/tcp   filtered    tr-rsrb-p1
1990/tcp   filtered    stun-p1
1991/tcp   filtered    stun-p2
1992/tcp   filtered    stun-p3
1995/tcp   filtered    perf-port
1998/tcp   filtered    x25-svc-port
2000/tcp   filtered    callbook
2001/tcp   filtered    dc
2006/tcp   filtered    invokator
2007/tcp   filtered    dectalk
2009/tcp   filtered    news
2010/tcp   filtered    search
2012/tcp   filtered    ttyinfo
2016/tcp   filtered    bootserver
2017/tcp   filtered    cypress-stat
2018/tcp   filtered    terminaldb
2019/tcp   filtered    whosockami
2024/tcp   filtered    xinuexpansion4
2026/tcp   filtered    scrabble
2033/tcp   filtered    glogger
2034/tcp   filtered    scoremgr
2035/tcp   filtered    imsldoc
2038/tcp   filtered    objectmanager
2040/tcp   filtered    lam
2043/tcp   filtered    isis-bcast
2044/tcp   filtered    rimsl
2048/tcp   filtered    dls-monitor
2049/tcp   filtered    nfs
2067/tcp   filtered    dlswpn
2105/tcp   filtered    eklogin
2108/tcp   filtered    rkinit
2112/tcp   filtered    kip
2241/tcp   filtered    ivsd
2301/tcp   filtered    compaqdiag
2401/tcp   filtered    cvspserver
2432/tcp   filtered    codasrv
2501/tcp   filtered    rtsclient
2600/tcp   filtered    zebrasrv
2601/tcp   filtered    zebra
2605/tcp   filtered    bgpd
2638/tcp   filtered    sybase
2766/tcp   filtered    listen
3005/tcp   filtered    deslogin
3006/tcp   filtered    deslogind
3049/tcp   filtered    cfs
3064/tcp   filtered    dnet-tstproxy
3128/tcp   filtered    squid-http
3269/tcp   filtered    globalcatLDAPssl
3306/tcp   open        mysql
3372/tcp   filtered    msdtc
3421/tcp   filtered    bmap
3456/tcp   filtered    vat
3457/tcp   filtered    vat-control
3900/tcp   filtered    udt_os
3984/tcp   filtered    mapper-nodemgr
3985/tcp   filtered    mapper-mapethd
3999/tcp   filtered    remoteanything
4000/tcp   filtered    remoteanything
4045/tcp   filtered    lockd
4133/tcp   filtered    nuts_bootp
4144/tcp   filtered    wincim
4343/tcp   filtered    unicall
4559/tcp   filtered    hylafax
4672/tcp   filtered    rfa
4987/tcp   filtered    maybeveritas
4998/tcp   filtered    maybeveritas
5001/tcp   filtered    commplex-link
5010/tcp   filtered    telelpathstart
5050/tcp   filtered    mmcc
5101/tcp   filtered    admdog
5191/tcp   filtered    aol-1
5192/tcp   filtered    aol-2
5193/tcp   filtered    aol-3
5236/tcp   filtered    padl2sim
5302/tcp   filtered    hacl-cfg
5303/tcp   filtered    hacl-probe
5432/tcp   filtered    postgres
5510/tcp   filtered    secureidprop
5530/tcp   filtered    sdserv
5550/tcp   filtered    sdadmind
5632/tcp   filtered    pcanywherestat
5717/tcp   filtered    prosharenotify
5800/tcp   filtered    vnc-http
5802/tcp   filtered    vnc-http-2
5900/tcp   filtered    vnc
5903/tcp   filtered    vnc-3
5977/tcp   filtered    ncd-pref-tcp
5998/tcp   filtered    ncd-diag
6000/tcp   filtered    X11
6004/tcp   filtered    X11:4
6007/tcp   filtered    X11:7
6008/tcp   filtered    X11:8
6103/tcp   filtered    RETS-or-BackupExec
6106/tcp   filtered    isdninfo
6143/tcp   filtered    watershed-lm
6148/tcp   filtered    ricardo-lm
6346/tcp   filtered    gnutella
7000/tcp   filtered    afs3-fileserver
7002/tcp   filtered    afs3-prserver
7007/tcp   filtered    afs3-bos
7200/tcp   filtered    fodms
7201/tcp   filtered    dlip
7326/tcp   filtered    icb
8009/tcp   filtered    ajp13
8443/tcp   filtered    https-alt
8888/tcp   filtered    sun-answerbook
8892/tcp   filtered    seosload
9999/tcp   filtered    abyss
10000/tcp  filtered    snet-sensor-mgmt
10005/tcp  filtered    stel
10083/tcp  filtered    amidxtape
13701/tcp  filtered    VeritasNetbackup
13702/tcp  filtered    VeritasNetbackup
13705/tcp  filtered    VeritasNetbackup
13712/tcp  filtered    VeritasNetbackup
13714/tcp  filtered    VeritasNetbackup
13716/tcp  filtered    VeritasNetbackup
13717/tcp  filtered    VeritasNetbackup
13718/tcp  filtered    VeritasNetbackup
13720/tcp  filtered    VeritasNetbackup
13722/tcp  filtered    VeritasNetbackup
13782/tcp  filtered    VeritasNetbackup
13783/tcp  filtered    VeritasNetbackup
16959/tcp  filtered    subseven
18000/tcp  filtered    biimenu
20005/tcp  filtered    btx
22273/tcp  filtered    wnn6
22289/tcp  filtered    wnn6_Cn
22305/tcp  filtered    wnn6_Kr
26208/tcp  filtered    wnn6_DS
27665/tcp  filtered    Trinoo_Master
32772/tcp  filtered    sometimes-rpc7
32774/tcp  filtered    sometimes-rpc11
32778/tcp  filtered    sometimes-rpc19
43188/tcp  filtered    reachout
44442/tcp  filtered    coldfusion-auth
54320/tcp  filtered    bo2k

Nmap run completed -- 1 IP address (1 host up) scanned in 60.526 seconds

...ci sono poche porte aperte e molte filtered con il nome del servizio che le usa a fianco: cosa significa che la porta è filtered? E' vulnerabile agli exploit del servizio che vi gira come se fosse