Perchè il mio firewall mi segna sempre sto indirizzo?

toz · 11-12-2003, 00:36

Precisamente 224.0.0.1

OrgName: Internet Assigned Numbers Authority
OrgID: IANA
Address: 4676 Admiralty Way, Suite 330
City: Marina del Rey
StateProv: CA
PostalCode: 90292-6695
Country: US

NetRange: 224.0.0.0 - 239.255.255.255
CIDR: 224.0.0.0/4
NetName: MCAST-NET
NetHandle: NET-224-0-0-0-1
Parent:
NetType: IANA Special Use
NameServer: FLAG.EP.NET
NameServer: STRUL.STUPI.SE
NameServer: NS.ISI.EDU
NameServer: NIC.NEAR.NET
Comment: This block is reserved for special purposes.
Comment: Please see RFC 3171 for additional information.
Comment:
RegDate: 1991-05-22
Updated: 2002-09-16

OrgAbuseHandle: IANA-IP-ARIN
OrgAbuseName: Internet Corporation for Assigned Names and Number
OrgAbusePhone: +1-310-301-5820
OrgAbuseEmail: [email protected]

OrgTechHandle: IANA-IP-ARIN
OrgTechName: Internet Corporation for Assigned Names and Number
OrgTechPhone: +1-310-301-5820
OrgTechEmail: [email protected]

Sul RFC 3171 ho trovato questo di cui faccio un sunto :

Definition of Current Assignment Practice

Unlike IPv4 unicast address assignment, where blocks of addresses are
delegated to regional registries, IPv4 multicast addresses are
assigned directly by the IANA. Current assignments appear as follows
[IANA]:

224.0.0.0 - 224.0.0.255 (224.0.0/24) Local Network Control Block
224.0.1.0 - 224.0.1.255 (224.0.1/24) Internetwork Control Block
224.0.2.0 - 224.0.255.0 AD-HOC Block
224.1.0.0 - 224.1.255.255 (224.1/16) ST Multicast Groups
224.2.0.0 - 224.2.255.255 (224.2/16) SDP/SAP Block
224.252.0.0 - 224.255.255.255 DIS Transient Block
225.0.0.0 - 231.255.255.255 RESERVED
232.0.0.0 - 232.255.255.255 (232/8) Source Specific Multicast
Block
233.0.0.0 - 233.255.255.255 (233/8) GLOP Block
234.0.0.0 - 238.255.255.255 RESERVED
239.0.0.0 - 239.255.255.255 (239/8) Administratively Scoped
Block

In pratica è ad uso del firewall stesso???

CH1CC0 · 11-12-2003, 11:37

Il MULTICAST è una subnet di servizio.

L'indirizzo in questione si riferisce a questo servizio

224.0.0.1 All Systems on this Subnet

(in pratica ha la funzione di Broadcast)

Questa è una breve spiegazione di una parte della subnet in oggetto (il multicast va dal 224.0.0.0 al 239.255.255.255)

The range of addresses between 224.0.0.0 and 224.0.0.255, inclusive,
is reserved for the use of routing protocols and other low-level
topology discovery or maintenance protocols, such as gateway discovery
and group membership reporting. Multicast routers should not forward
any multicast datagram with destination addresses in this range,
regardless of its TTL.

Ciao

toz · 11-12-2003, 13:37

Thenks

11-12-2003, 00:36	#1
toz Senior Member Iscritto dal: Apr 2000 Città: Teramo Messaggi: 685	Perchè il mio firewall mi segna sempre sto indirizzo? Precisamente 224.0.0.1 OrgName: Internet Assigned Numbers Authority OrgID: IANA Address: 4676 Admiralty Way, Suite 330 City: Marina del Rey StateProv: CA PostalCode: 90292-6695 Country: US NetRange: 224.0.0.0 - 239.255.255.255 CIDR: 224.0.0.0/4 NetName: MCAST-NET NetHandle: NET-224-0-0-0-1 Parent: NetType: IANA Special Use NameServer: FLAG.EP.NET NameServer: STRUL.STUPI.SE NameServer: NS.ISI.EDU NameServer: NIC.NEAR.NET Comment: This block is reserved for special purposes. Comment: Please see RFC 3171 for additional information. Comment: RegDate: 1991-05-22 Updated: 2002-09-16 OrgAbuseHandle: IANA-IP-ARIN OrgAbuseName: Internet Corporation for Assigned Names and Number OrgAbusePhone: +1-310-301-5820 OrgAbuseEmail: [email protected] OrgTechHandle: IANA-IP-ARIN OrgTechName: Internet Corporation for Assigned Names and Number OrgTechPhone: +1-310-301-5820 OrgTechEmail: [email protected] Sul RFC 3171 ho trovato questo di cui faccio un sunto : Definition of Current Assignment Practice Unlike IPv4 unicast address assignment, where blocks of addresses are delegated to regional registries, IPv4 multicast addresses are assigned directly by the IANA. Current assignments appear as follows [IANA]: 224.0.0.0 - 224.0.0.255 (224.0.0/24) Local Network Control Block 224.0.1.0 - 224.0.1.255 (224.0.1/24) Internetwork Control Block 224.0.2.0 - 224.0.255.0 AD-HOC Block 224.1.0.0 - 224.1.255.255 (224.1/16) ST Multicast Groups 224.2.0.0 - 224.2.255.255 (224.2/16) SDP/SAP Block 224.252.0.0 - 224.255.255.255 DIS Transient Block 225.0.0.0 - 231.255.255.255 RESERVED 232.0.0.0 - 232.255.255.255 (232/8) Source Specific Multicast Block 233.0.0.0 - 233.255.255.255 (233/8) GLOP Block 234.0.0.0 - 238.255.255.255 RESERVED 239.0.0.0 - 239.255.255.255 (239/8) Administratively Scoped Block In pratica è ad uso del firewall stesso??? __________________ Se c'è una soluzione,perchè t'arrabbi? Se non c'è soluzione,perchè t'arrabbi? Nuova gloria risplende suoi tuoi circuiti o mia Kt7-a.....per sempre,nei secoli dei secoli.... http://www.zotbox.net

11-12-2003, 11:37	#2
CH1CC0 Senior Member Iscritto dal: Nov 2002 Città: Milano Messaggi: 5375	Il MULTICAST è una subnet di servizio. L'indirizzo in questione si riferisce a questo servizio 224.0.0.1 All Systems on this Subnet (in pratica ha la funzione di Broadcast) Questa è una breve spiegazione di una parte della subnet in oggetto (il multicast va dal 224.0.0.0 al 239.255.255.255) The range of addresses between 224.0.0.0 and 224.0.0.255, inclusive, is reserved for the use of routing protocols and other low-level topology discovery or maintenance protocols, such as gateway discovery and group membership reporting. Multicast routers should not forward any multicast datagram with destination addresses in this range, regardless of its TTL. Ciao __________________ CiAO

11-12-2003, 13:37	#3
toz Senior Member Iscritto dal: Apr 2000 Città: Teramo Messaggi: 685	Thenks __________________ Se c'è una soluzione,perchè t'arrabbi? Se non c'è soluzione,perchè t'arrabbi? Nuova gloria risplende suoi tuoi circuiti o mia Kt7-a.....per sempre,nei secoli dei secoli.... http://www.zotbox.net

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