NTP pass-trought

Tutto ciò che ha a che fare con la configurazione di apparati Cisco (e non rientra nelle altre categorie)

Moderatore: Federico.Lagni

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MarcoTironi
n00b
Messaggi: 18
Iscritto il: dom 04 gen , 2009 10:20 am

Salve, sto cercando di configurare ancora una volta un ASA 5505 (8.0.2) e sebbene i miei tentativi siano quasi tutti andati a buon fine avevo problemi ad effettuare PING (ICMP) e l'aggiornamento dell'ora (UDP/NTP) da un server interno alla rete verso time.nist.gov.

Per il primo ho risolto attivando l'inspect dei pacchetti su protocollo ICMP, ma per il secondo non sono riuscito a trovare nulla di equivalente nemmeno nel comando FIXUP (che sarà pure vecchio e sconsigliato, ma è una manna dal cielo).

Qualcuno può spiegarmi cosa sbaglio per quanto riguarda la configurazione ? grazie!

Codice: Seleziona tutto

hostname firewallozzo
domain-name default.domain.invalid
enable password XXXXXXXXXXXXXXXXX encrypted
multicast-routing
names
!
interface Vlan1
 nameif inside
 security-level 100
 ip address 192.168.65.191 255.255.255.0 
!
interface Vlan2
 nameif outside
 security-level 0
 ip address IP_ROUTER 255.255.255.248 
!
interface Ethernet0/0
 switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
passwd XXXXXXXXXXXXXXXXXXXX encrypted
boot system disk0:/asa802-k8.bin
boot system disk0:/asa724-k8.bin
ftp mode passive
clock timezone CEST 1
clock summer-time CEDT recurring last Sun Mar 2:00 last Sun Oct 3:00
dns server-group DefaultDNS
 domain-name default.domain.invalid
same-security-traffic permit inter-interface
same-security-traffic permit intra-interface
object-group service Radiocor
object-group service Sphera
object-group service RDP
object-group service DM_INLINE_SERVICE_1
object-group network IPBlocked
 network-object Facebook 255.255.240.0
object-group service DM_INLINE_SERVICE_2
access-list outside_access_in extended permit object-group Sphera any host IP_Sphera1 
access-list outside_access_in extended permit object-group Sphera any host IP_Sphera2 
access-list outside_access_in extended permit object-group RDP any any 
access-list outside_access_in extended permit object-group DM_INLINE_SERVICE_2 any any 
access-list outside_access_in extended permit object-group DM_INLINE_SERVICE_1 any any 
access-list inside_access_in extended deny ip any object-group IPBlocked 
access-list inside_access_in extended permit ip any any 
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
icmp permit any inside
icmp permit any outside
asdm image disk0:/asdm-611.bin
asdm history enable
arp timeout 14400
global (outside) 1 interface
global (outside) 2 IP_Navigazione netmask 255.0.0.0
nat (inside) 2 0.0.0.0 0.0.0.0
static (inside,outside) tcp IP_Navigazione 2390 ServerEstero 2390 netmask 255.255.255.255 
static (inside,outside) tcp IP_Navigazione 4380 ServerEstero 4380 netmask 255.255.255.255 
static (inside,outside) tcp IP_Navigazione 4382 ServerEstero 4382 netmask 255.255.255.255 
static (inside,outside) tcp IP_Navigazione 9999 ServerEstero 9999 netmask 255.255.255.255 
static (inside,outside) tcp IP_Navigazione ssh ServerInterno ssh netmask 255.255.255.255 
static (inside,outside) udp IP_Navigazione 22 ServerInterno 22 netmask 255.255.255.255 
static (inside,outside) tcp IP_Navigazione www ServerInterno www netmask 255.255.255.255 
static (inside,outside) tcp IP_Navigazione 3385 ServerRDP_100 3389 netmask 255.255.255.255 
static (inside,outside) tcp IP_Navigazione 3387 ServerInterno 3389 netmask 255.255.255.255 
static (inside,outside) tcp IP_Navigazione 3388 ServerRDP_1 3389 netmask 255.255.255.255 
static (inside,outside) IP_Sphera1 ServerSphera1 netmask 255.255.255.255 
static (inside,outside) IP_Sphera2 ServerSphera2 netmask 255.255.255.255 
access-group inside_access_in in interface inside
access-group outside_access_in in interface outside
route outside 0.0.0.0 0.0.0.0 XXX.XXX.XXX.XXX 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout uauth 0:05:00 absolute
dynamic-access-policy-record DfltAccessPolicy
aaa authentication ssh console LOCAL 
http server enable
http 0.0.0.0 0.0.0.0 outside
http 192.168.65.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
sysopt noproxyarp inside
crypto ca trustpoint ASDM_TrustPoint0
 enrollment self
 fqdn ciscoasa
 subject-name CN=ciscoasa
 crl configure
crypto ca certificate chain ASDM_TrustPoint0
 certificate 31
  quit
no crypto isakmp nat-traversal
telnet timeout 5
ssh 192.168.65.0 255.255.255.0 inside
ssh 0.0.0.0 0.0.0.0 outside
ssh timeout 5
console timeout 0
dhcpd auto_config inside
!

threat-detection basic-threat
threat-detection statistics access-list
!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum 512
policy-map global_policy
 class inspection_default
  inspect dns preset_dns_map 
  inspect ftp 
  inspect h323 h225 
  inspect h323 ras 
  inspect rsh 
  inspect rtsp 
  inspect esmtp 
  inspect sqlnet 
  inspect skinny  
  inspect sunrpc 
  inspect xdmcp 
  inspect sip  
  inspect netbios 
  inspect tftp 
  inspect icmp 
!
service-policy global_policy global
ntp server 192.43.244.18 source outside prefer
username admin password XXXXXXXXXXXXXXXXXXXXXXXX encrypted privilege 15
prompt hostname context 
asdm image disk0:/asdm-611.bin
asdm history enable
[/code]
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Wizard
Intergalactic subspace network admin
Messaggi: 3441
Iscritto il: ven 03 feb , 2006 10:04 am
Località: Emilia Romagna
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Strano...
Fai un capture x verificare se il traffico entra ed esce dal fw...
Il futuro è fatto di persone che hanno delle intuizioni e visioni .....sono quelle persone che fanno la differenza...... quelle dotate di un TERZO OCCHIO....
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