pptp through to vpn server being denied by Cisco ASA 5505

zak · ‎10-11-2013

I am assuming I am missing something slight. I have my pptp access rule allowing outside inside on pptp -- I also have a nat rule that says pptp traffic should be directed to server 10.1.10.11 (VPN Server) ... Yet my VPN connection is getting denied. Windows trouble shooter says the host is replying that it's alive, but is denying the connection. Any ideas based on my config? This is a Cisco ASA 5505 v8.2

Result of the command: "show run"

: Saved
:
ASA Version 8.2(5) 
!
hostname DTS-ASA
enable xxxxxxxxxx
passwd xxxxxxxxxx
names
!
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 10.1.10.100 255.255.255.0 
!
interface Vlan2
 nameif outside
 security-level 0
 ip address 74.xx.xx.225 255.255.255.248 
!
ftp mode passive
object-group network DM_INLINE_NETWORK_1
 network-object 10.xx.xx.0 255.255.255.0
 network-object 10.xx.xx.0 255.255.255.0
access-list outside_access_in extended permit tcp any interface outside eq pptp 
access-list outside_access_in extended permit icmp any any
access-list outside_access_in extended permit gre any interface outside  
access-list outside_1_cryptomap extended permit ip 10.1.10.0 255.255.255.0 object-group DM_INLINE_NETWORK_1 
access-list inside_nat0_outbound extended permit ip 10.1.10.0 255.255.255.0 10.xx.xx.0 255.255.255.0 
access-list inside_nat0_outbound extended permit ip 10.1.10.0 255.255.255.0 10.xx.xx.0 255.255.255.0 
pager lines 24
logging asdm informational
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list inside_nat0_outbound
nat (inside) 1 10.1.10.0 255.255.255.0
static (inside,outside) tcp interface pptp 10.1.10.11 pptp netmask 255.255.255.255 
access-group outside_access_in in interface outside
route outside 0.0.0.0 0.0.0.0 74.xx.xx.230 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 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
http server enable
http 10.1.10.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac 
crypto ipsec transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac 
crypto ipsec transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac 
crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac 
crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac 
crypto ipsec transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac 
crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac 
crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac 
crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac 
crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac 
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
crypto map outside_map 1 match address outside_1_cryptomap
crypto map outside_map 1 set pfs group5
crypto map outside_map 1 set peer 63.xx.xx.242 
crypto map outside_map 1 set transform-set ESP-3DES-SHA
crypto map outside_map interface outside
crypto isakmp enable inside
crypto isakmp enable outside
crypto isakmp policy 10
 authentication crack
 encryption aes-256
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 20
 authentication rsa-sig
 encryption aes-256
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 30
 authentication pre-share
 encryption aes-256
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 40
 authentication crack
 encryption aes-192
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 50
 authentication rsa-sig
 encryption aes-192
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 60
 authentication pre-share
 encryption aes-192
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 70
 authentication crack
 encryption aes
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 80
 authentication rsa-sig
 encryption aes
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 90
 authentication pre-share
 encryption aes
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 100
 authentication crack
 encryption 3des
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 110
 authentication rsa-sig
 encryption 3des
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 120
 authentication pre-share
 encryption 3des
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 130
 authentication crack
 encryption des
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 140
 authentication rsa-sig
 encryption des
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 150
 authentication pre-share
 encryption des
 hash sha
 group 2
 lifetime 86400
crypto isakmp policy 170
 authentication pre-share
 encryption 3des
 hash sha
 group 5
 lifetime 86400
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd dns 75.xx.xx.75 75.xx.xx.76
dhcpd auto_config outside
!
dhcpd address 10.1.10.104-10.1.10.254 inside
dhcpd enable inside
!

threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
webvpn
tunnel-group 63.xx.xx.242 type ipsec-l2l
tunnel-group 63.xx.xx.242 ipsec-attributes
 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 pptp 
  inspect icmp 
!
service-policy global_policy global
: end

I have also included a few ASDM screen shots if it helps..  Any help appreciated!!

Mike Williams · ‎10-11-2013

You need to allow GRE (IP protocol 47) as well. Unfortunately you can't port-forward GRE, so your PPTP server needs a dedicated IP for a 1-to-1 NAT.

Regards,
Mike

Sent from Cisco Technical Support Android App

zak · ‎10-14-2013

Mike,

To be honest I am pretty new to this. I had the VPN working, until I changed the IP of the server to outside the DHCP scope so it would remain static. Only after that change, I deleted the PPTP server object, added a new pptp server object, and pointed the rules that used the old object to the new object.

That being said, according to my config I am allowing GRE correct?

If you look at my config what exactly needs to change to get this fixed?