我在 Cisco ASA（固件 9.1）上设置远程访问 VPN 时遇到问题
我能够通过 VPN 连接并访问所有内部资源，但连接到 VPN 时无法访问互联网。
我不知道分割隧道
这是我的配置：
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ASA Version 9.1(3)
!
hostname ciscoasa
domain-name mydomain.com
enable password password encrypted
xlate per-session deny tcp any4 any4
xlate per-session deny tcp any4 any6
xlate per-session deny tcp any6 any4
xlate per-session deny tcp any6 any6
xlate per-session deny udp any4 any4 eq domain
xlate per-session deny udp any4 any6 eq domain
xlate per-session deny udp any6 any4 eq domain
xlate per-session deny udp any6 any6 eq domain
passwd another.password encrypted
names
name 192.168.1.254 ciscoasa
name 192.168.1.0 LAN-Home
ip local pool VPN_pool 192.168.1.100-192.168.1.120 mask 255.255.255.0
!
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
!
interface Vlan1
nameif inside
security-level 100
ip address ciscoasa 255.255.255.0
ipv6 address autoconfig
ipv6 enable
!
interface Vlan2
nameif outside
security-level 0
ip address dhcp setroute
ipv6 enable
!
boot system disk0:/asa913-k8.bin
ftp mode passive
clock timezone GMT/BST 0
clock summer-time GMT/BDT recurring last Sun Mar 1:00 last Sun Oct 2:00
dns domain-lookup inside
dns server-group DefaultDNS
name-server 192.168.1.50
domain-name mydomain.com
same-security-traffic permit intra-interface
object network obj_any-01
subnet 0.0.0.0 0.0.0.0
object network LAN-Home
subnet 192.168.1.0 255.255.255.0
description Home LAN
object network HTTP_server
host 192.168.1.50
description HTTP Server
object network HTTPS_Server
host 192.168.1.50
description HTTPS Server
object network SMTP
host 192.168.1.50
description SMTP
object network IMAPS
host 192.168.1.50
description IMAPS
object service imaps
service tcp source range 1 65535 destination eq 993
description imaps
object network IMAP
host 192.168.1.50
description IMAP
object network HTTPS_server2
host 192.168.1.51
description SomeOther HTTPS mapping
object network obj-vpnpool
subnet 192.168.1.0 255.255.255.0
object-group network obj_any
object-group protocol TCPUDP
protocol-object udp
protocol-object tcp
access-list 115 extended permit tcp any4 any4 eq telnet
access-list dhcp extended permit ip any4 any4
access-list external extended permit icmp any4 any4 echo-reply
access-list external extended permit object-group TCPUDP any object HTTP_server eq www
access-list external extended permit tcp any object HTTPS_Server eq https
access-list external extended permit tcp any object SMTP eq smtp
access-list external extended permit object imaps any object IMAPS
access-list external extended permit tcp any object IMAP eq imap4
access-list external extended permit tcp any object HTTPS_server2 eq https
pager lines 24
logging enable
logging asdm warnings
logging from-address [email protected]
logging recipient-address [email protected] level errors
mtu inside 1500
mtu outside 1500
ip verify reverse-path interface outside
no failover
icmp unreachable rate-limit 1 burst-size 1
icmp permit any echo-reply outside
icmp deny any outside
icmp permit any time-exceeded outside
asdm image disk0:/asdm-715.bin
no asdm history enable
arp timeout 14400
no arp permit-nonconnected
!
object network obj_any-01
nat (inside,outside) dynamic interface
object network HTTP_server
nat (inside,outside) static interface service tcp www www
object network HTTPS_Server
nat (inside,outside) static interface service tcp https https
object network SMTP
nat (inside,outside) static interface service tcp smtp smtp
object network IMAPS
nat (inside,outside) static interface service tcp 993 993
object network IMAP
nat (inside,outside) static interface service tcp imap4 imap4
object network HTTPS_server2
nat (inside,outside) static interface service tcp https 8080
object network obj-vpnpool
nat (outside,outside) dynamic interface
access-group external in interface outside
timeout xlate 1:00:00
timeout pat-xlate 0:00:30
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 sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
timeout floating-conn 0:00:00
dynamic-access-policy-record DfltAccessPolicy
aaa-server RADIUS protocol radius
aaa-server AuthInbound protocol radius
user-identity default-domain LOCAL
aaa authentication ssh console LOCAL
aaa authentication http console LOCAL
aaa local authentication attempts max-fail 5
http server enable
http LAN-Home 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
auth-prompt prompt No Unauthorised Access. Please enter your User Credentials.
auth-prompt accept Welcome! or are you...
auth-prompt reject Access has been denied.
crypto ipsec ikev1 transform-set dessha esp-des esp-sha-hmac
crypto ipsec ikev1 transform-set espdes esp-des esp-sha-hmac
crypto ipsec ikev1 transform-set desmd5 esp-des esp-md5-hmac
crypto ipsec ikev1 transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
crypto ipsec ikev1 transform-set 3dessha esp-3des esp-sha-hmac
crypto ipsec ikev1 transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto ipsec security-association pmtu-aging infinite
crypto dynamic-map outside_dyn_map 60000 set ikev1 transform-set ESP-3DES-SHA
crypto map corpvpn 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map corpvpn interface outside
crypto isakmp identity address
crypto ikev1 enable outside
crypto ikev1 policy 1
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 36000
crypto ikev1 policy 2
authentication pre-share
encryption des
hash md5
group 1
lifetime 36000
crypto ikev1 policy 3
authentication pre-share
encryption 3des
hash sha
group 1
lifetime 86400
crypto ikev1 policy 5
authentication pre-share
encryption des
hash sha
group 2
lifetime 36000
crypto ikev1 policy 7
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 28800
crypto ikev1 policy 9
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 65535
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 86400
telnet LAN-Home 255.255.255.0 inside
telnet timeout 20
ssh LAN-Home 255.255.255.0 inside
ssh timeout 20
ssh key-exchange group dh-group1-sha1
console timeout 0
management-access inside
vpn-addr-assign local reuse-delay 360
dhcp-client broadcast-flag
dhcp-client client-id interface outside
dhcpd dns 192.168.1.50
dhcpd domain mydomain.com
dhcpd auto_config outside
!
dhcpd address 192.168.1.220-192.168.1.250 inside
dhcpd dns 192.168.1.50 interface inside
dhcpd domain mydomain.com interface inside
dhcpd option 3 ip ciscoasa interface inside
dhcpd enable inside
!
webvpn
csd image disk0:/securedesktop-asa-3.3.0.151-k9.pkg
group-policy RemoteAccessVPN internal
group-policy RemoteAccessVPN attributes
dns-server value 192.168.1.50
vpn-tunnel-protocol ikev1
default-domain value mydomain.com
split-tunnel-all-dns enable
username user password password encrypted privilege 15
tunnel-group RemoteAccessVPN type remote-access
tunnel-group RemoteAccessVPN general-attributes
address-pool VPN_pool
default-group-policy RemoteAccessVPN
tunnel-group RemoteAccessVPN ipsec-attributes
ikev1 pre-shared-key *****
!
class-map inspection_default
match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
parameters
message-length maximum client auto
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 ip-options
inspect http
inspect ils
inspect ipsec-pass-thru
class class-default
user-statistics accounting
!
service-policy global_policy global
prompt hostname context
no call-home reporting anonymous
asdm image disk0:/asdm-715.bin
no asdm history enable
任何建议将不胜感激
答案1
您需要启用分割隧道以便在从远程客户端连接时访问本地（非 VPN 保护的）资源。
您是如何配置 VPN 的？您使用 ASDM 了吗？如果使用 Windows 客户端，您是否选中了“允许本地网络访问”开关？