Ciao a tutti.
Ho un vecchio Cisco PIX 501 da configurare per conto di un mio cliente, che purtroppo ha richiesto necessariamente l'utilizzo di PPTP.
Ho configurato correttamente l'autenticazione tramite vpdn, ma una volta avvenuta il client VPN non riesce in pratica a fare nulla nella rete di arrivo. Un banale ping all'interfaccia intena del PIX non da alcuna risposta (ho provato anche il comando debug icmp inside ... vedo i pacchetti arrivare sull'interfaccia, ma sembra che non abbiano la "rotta" giusta per tornare indietro attraverso il tunnel).
Dove sbaglio? Ho tre indirizzi nel vpn-access-pool che devono navigare su tutta la LAN interna
Posto anche lo script di configurazione:
: Saved
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PIX Version 6.3(5)
interface ethernet0 auto
interface ethernet1 100full
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password*********** encrypted
passwd **********l encrypted
hostname pixfirewall
domain-name sesstra.it
clock timezone CEST 1
clock summer-time CEDT recurring last Sun Mar 2:00 last Sun Oct 3:00
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
names
name 192.168.178.1 Router
access-list acl_in permit icmp any any
access-list acl_in permit ip 192.168.1.0 255.255.255.0 any
access-list acl_out permit tcp any any eq ssh
access-list acl_out permit icmp any any
access-list 101 permit ip 192.168.1.0 255.255.255.192 any
pager lines 24
icmp permit any echo-reply outside
icmp permit any echo-reply inside
mtu outside 1500
mtu inside 1500
ip address outside 192.168.178.254 255.255.255.0
ip address inside 192.168.1.1 255.255.255.0
ip audit info action alarm
ip audit attack action alarm
ip local pool vpn-address-pool 192.168.1.223-192.168.1.225 mask 255.255.255.0
pdm location ...
pdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list 101
nat (inside) 1 192.168.1.0 255.255.255.0 0 0
access-group acl_out in interface outside
access-group acl_in in interface inside
route outside 0.0.0.0 0.0.0.0 Router 1
timeout xlate 0:05:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout sip-disconnect 0:02:00 sip-invite 0:03:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server TACACS+ deadtime 10
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server LOCAL protocol local
aaa authentication ssh console LOCAL
http server enable
http 192.168.10.0 255.255.255.0 outside
http 192.168.178.0 255.255.255.0 outside
http 192.168.1.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
floodguard enable
sysopt connection permit-pptp
sysopt connection permit-l2tp
telnet timeout 5
ssh 192.168.10.0 255.255.255.0 outside
ssh 192.168.1.0 255.255.255.0 inside
ssh timeout 60
management-access inside
console timeout 60
vpdn group PPTP-VPDN-GROUP accept dialin pptp
vpdn group PPTP-VPDN-GROUP ppp authentication chap
vpdn group PPTP-VPDN-GROUP ppp authentication mschap
vpdn group PPTP-VPDN-GROUP ppp encryption mppe auto
vpdn group PPTP-VPDN-GROUP client configuration address local vpn-address-pool
vpdn group PPTP-VPDN-GROUP client configuration dns 192.168.1.128
vpdn group PPTP-VPDN-GROUP client configuration wins 192.168.1.128
vpdn group PPTP-VPDN-GROUP pptp echo 60
vpdn group PPTP-VPDN-GROUP client authentication local
vpdn username ******* password *********
vpdn username ******* password *********
vpdn username ******* password *********
vpdn enable outside
dhcpd address 192.168.1.2-192.168.1.129 inside
dhcpd lease 3600
dhcpd ping_timeout 750
dhcpd auto_config outside
username ******* password ******* encrypted privilege 2
terminal width 80
Cryptochecksum:a71023794182b1952efee9100211b3b9
: end
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