Question : Problem with remote access VPN with ASA 5510

Hello Lads,

I'm having some issues with people connecting remotely to the new ASA I configured, here goes;

hostname ciscoasa
domain-name
enable password
names
dns-guard
!
interface Ethernet0/0
 nameif Outside
 security-level 0
 ip address 1.2.3.4 5.5.5.5
!
interface Ethernet0/1
 nameif inside
 security-level 100
 ip address 192.168.0.1 255.255.255.0
!
interface Ethernet0/2
 shutdown
 no nameif
 no security-level
 no ip address
!
interface Management0/0
 nameif management
 security-level 100
 ip address 192.168.1.1 255.255.255.0
 management-only
!
passwd
boot system disk0:/asa721-k8.bin
ftp mode passive
dns server-group DefaultDNS
 domain-name
object-group service Server-03 tcp-udp
 port-object range 3389 3389
 port-object range 1723 1723
 port-object range 443 443
 port-object range www www
 port-object range 38561 38561
object-group service Server-33 tcp-udp
 port-object range 2253 2255
 port-object range 1718 1720
 port-object range 49152 49159
access-list Outside_access_out extended permit ip 1.2.3.4 5.5.5.5 any
access-list inside_access_in extended permit ip 192.168.0.0 255.255.255.0 any
access-list Outside_access_in extended permit tcp any object-group Server-03 host 1.2.3.4
access-list Outside_access_in extended permit tcp any host 1.2.3.4
access-list Outside_access_in extended permit icmp any 1.2.3.4 5.5.5.5
access-list Outside_access_in extended permit ip x.x.x.x 255.255.255.240 host 192.168.0.1
access-list Outside_access_in extended permit udp x.x.x.x 255.255.255.240 host 192.168.0.1
access-list Local_LAN_Access standard permit any
access-list officevpn_splitTunnelAcl standard permit 192.168.0.0 255.255.255.0
access-list inside_nat0_outbound extended permit ip 192.168.0.0 255.255.255.0 192.168.100.0 255.255.255.252
access-list Outside_cryptomap_dyn_20_1 extended permit ip any 192.168.100.0 255.255.255.0
access-list Outside_cryptomap extended permit ip any 192.168.100.0 255.255.255.252
pager lines 24
logging enable
logging asdm informational
mtu Outside 1500
mtu inside 1500
mtu management 1500
ip local pool VPN_Pool 192.168.100.1-192.168.100.2 mask 255.255.255.0
asdm image disk0:/asdm521.bin
no asdm history enable
arp timeout 14400
nat-control
global (Outside) 1 interface
nat (inside) 0 access-list inside_nat0_outbound
nat (inside) 1 192.168.0.0 255.255.255.0
static (inside,Outside) x.x.x.x 192.168.0.3 netmask 255.255.255.255
static (inside,Outside) x.x.x.x 192.168.0.33 netmask 255.255.255.255
static (inside,Outside) 192.168.0.1 192.168.0.1 netmask 255.255.255.255
access-group Outside_access_in in interface Outside
access-group Outside_access_out out interface Outside
access-group inside_access_in in interface inside
route Outside 0.0.0.0 0.0.0.0 x.x.x.x 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
group-policy officevpn internal
group-policy officevpn attributes
 dns-server value x.x.x.x x.x.x.x
 vpn-tunnel-protocol IPSec
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value officevpn_splitTunnelAcl
username x password x privilege 15
username x password x privilege 0
username lawrence attributes
 vpn-group-policy officevpn
aaa authentication telnet console LOCAL
aaa authentication enable console LOCAL
aaa authentication ssh console LOCAL
http server enable
http x.x.x.x Outside
http 192.168.0.0 255.255.255.0 inside
http 192.168.1.0 255.255.255.0 management
snmp-server host Outside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac
crypto dynamic-map Outside_dyn_map 20 set transform-set ESP-DES-SHA
crypto map Outside_map 20 ipsec-isakmp dynamic Outside_dyn_map
crypto map Outside_map interface Outside
crypto isakmp enable Outside
crypto isakmp policy 10
 authentication pre-share
 encryption des
 hash sha
 group 2
 lifetime 86400
tunnel-group officevpn type ipsec-ra
tunnel-group officevpn general-attributes
 address-pool VPN_Pool
 default-group-policy officevpn
tunnel-group officevpn ipsec-attributes
 pre-shared-key *
telnet x.x.x.x x.x.x.x Outside
telnet timeout 5
ssh x.x.x.x x.x.x.x Outside
ssh timeout 5
console timeout 0
dhcpd address 192.168.1.2-192.168.1.254 management
dhcpd enable management
!
!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns migrated_dns_map_1
 parameters
  message-length maximum 512
policy-map global_policy
 class inspection_default
  inspect dns migrated_dns_map_1
  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
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:d5b7fd12caf660b713a54267b702650f
: end

Thanks.

Answer : Problem with remote access VPN with ASA 5510

It should work with your existing transform set (DES-SHA), but try adding this one to see if your VPN client is having trouble with that transform set:

crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac    <---define the new transform set with 3DES instead of DES
no crypto dynamic-map Outside_dyn_map 20 set transform-set ESP-DES-SHA  <---take off the old transform set
crypto dynamic-map Outside_dyn_map 20 set transform-set ESP-3DES-SHA      <---associate the new transform set
crypto isakmp nat-traversal                                                                  <---allows VPN clients to connect from behind another NAT device

Give these a go and see what you get...