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07.29.2008 at 03:03AM PDT, ID: 23603424
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9.3

Cisco, ASA, 5510, VPN SSL Port Change - Firewall now blocks access

Asked by v0r73x in Cisco PIX Firewall, Network Routers, Consumer Firewalls

Tags: , , ,

I've recently configured the VPN SSL feature and all worked better then expected, the problem I now have is that due to it running over port 443 I needed to change this so it wouldn't conflict with Exchange. Changing this port via ASDM to 8383 I now recieve the following:

Inbound TCP connection denied from 67.45.64.36/50900 to WANIP/8383 flags SYN  on interface outside

Any help appreciated, I'm not too familiar with the CLI as have used a mix of the ASDM and CLI to get the ASA configured. So any pointers/tips appreciated :) Most the ACL's at the moment are open whilst we get the basics configured.Start Free Trial 
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: Saved
:
ASA Version 8.0(3) 
!
hostname 5510
domain-name mydomain.local
enable password %%%%%%%%%%%%%%%% encrypted
names
name 192.168.50.2 NAME1
name 192.168.50.1 NAME2
name 192.168.50.250 WAP1 description Office WAP
name 192.168.50.251 WAP2 description Comms Room WAP
name 193.109.81.33 Blackberry
name 192.168.60.0 vpn_users
name 192.168.50.254 CiscoASA
name 11.22.33.44 WANIP
!
interface Ethernet0/0
 nameif outside
 security-level 0
 ip address WANIP 255.255.255.224 
!
interface Ethernet0/1
 nameif inside
 security-level 100
 ip address CiscoASA 255.255.255.0 
!
interface Ethernet0/2
 shutdown
 no nameif
 security-level 0
 no ip address
!
interface Ethernet0/3
 shutdown
 no nameif
 no security-level
 no ip address
!
interface Management0/0
 nameif management
 security-level 100
 ip address 192.168.100.1 255.255.255.0 
 management-only
!
passwd %%%%%%%%%%%%%%%% encrypted
banner exec --------------------------------------------------------
banner exec       This is an actively monitored system.
banner exec     Unauthorized access strictly prohibited.
banner exec              Please log off immediately.
banner exec --------------------------------------------------------
boot system disk0:/asa803-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 server-group DefaultDNS
 domain-name mydomain.local
same-security-traffic permit inter-interface
object-group protocol DM_INLINE_PROTOCOL_1
 protocol-object ip
 protocol-object icmp
 protocol-object udp
 protocol-object tcp
object-group service BES tcp
 port-object eq 3101
object-group network smtp-hosts
 network-object host NAME1
object-group protocol DM_INLINE_PROTOCOL_2
 protocol-object ip
 protocol-object icmp
 protocol-object udp
 protocol-object tcp
object-group protocol DM_INLINE_PROTOCOL_3
 protocol-object ip
 protocol-object icmp
 protocol-object udp
 protocol-object tcp
object-group protocol TCPUDP
 protocol-object udp
 protocol-object tcp
object-group service ssl_vpn_site tcp-udp
 port-object eq 1711
access-list inside_access_in extended permit object-group DM_INLINE_PROTOCOL_1 any any 
access-list outside_access_in extended permit object-group DM_INLINE_PROTOCOL_2 any any 
access-list outside_access_in extended permit tcp any any eq 3101 
access-list Local_LAN_Address standard permit 192.168.50.0 255.255.255.0 
access-list mss_allow_list extended permit tcp any any 
access-list inside_nat0_outbound extended permit ip 192.168.50.0 255.255.255.0 vpn_users 255.255.255.0 
!
tcp-map mss-map
  exceed-mss allow
!
pager lines 24
logging enable
logging asdm notifications
mtu outside 1500
mtu inside 1500
mtu management 1500
ip local pool remote_users 192.168.60.10-192.168.60.100 mask 255.255.255.0
no failover
icmp unreachable rate-limit 1 burst-size 1
icmp permit any echo outside
icmp permit any echo-reply outside
icmp permit any inside
asdm image disk0:/asdm-611.bin
no asdm history enable
arp timeout 14400
global (outside) 101 interface
nat (inside) 0 access-list inside_nat0_outbound
nat (inside) 101 192.168.50.0 255.255.255.0
static (inside,outside) tcp interface smtp NAME2 smtp netmask 255.255.255.255 
static (inside,outside) tcp interface 3389 NAME2 3389 netmask 255.255.255.255 
static (inside,outside) tcp interface 4899 NAME2 4899 netmask 255.255.255.255 
static (inside,outside) tcp interface www NAME2 www netmask 255.255.255.255 
static (inside,outside) tcp interface https NAME2 https netmask 255.255.255.255 
static (inside,outside) tcp interface 3101 NAME1 3101 netmask 255.255.255.255 
static (inside,outside) tcp interface 8181 WAP1 www netmask 255.255.255.255 
static (inside,outside) tcp interface 8282 WAP2 www netmask 255.255.255.255 
access-group outside_access_in in interface outside
route outside 0.0.0.0 0.0.0.0 11.22.33.55 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
http server enable 1712
http 192.168.100.0 255.255.255.0 management
http 192.168.50.0 255.255.255.0 inside
http 0.0.0.0 0.0.0.0 outside
http 192.168.1.0 255.255.255.0 management
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ca trustpoint ASDM_TrustPoint0
 enrollment self
 fqdn mycertificatename.com
 subject-name CN=mycertificatename.com
 keypair MyDomain
 no client-types
 crl configure
crypto ca certificate chain ASDM_TrustPoint0
 certificate 31
    30820214 3082017d a0030201 02020131 300d0609 2a864886 f70d0101 04050030 
    50312330 21060355 0403131a 6d61696c 2e616c63 68656d79 70617274 6e657273 
    2e636f2e 756b3129 30270609 2a864886 f70d0109 02161a6d 61696c2e 616c6368 
    656d7970 6172746e 6572732e 636f2e75 6b301e17 0d303830 37323531 34313732 
    355a170d 31383037 32333134 31373235 5a305031 23302106 03550403 131a6d61 
    696c2e61 6c636865 6d797061 72746e65 72732e63 6f2e756b 31293027 06092a86 
    4886f70d 01090216 1a6d6169 6c2e616c 6368656d 79706172 746e6572 732e636f 
    2e756b30 819f300d 06092a86 4886f70d 01010105 0003818d 00308189 02818100 
    de7c7c74 405a65ae 9a85a3af 0e848f40 13053070 862e6651 264e1486 bfe95894 
    0fa9840f e744c194 b0eaa856 b1a07e93 d0af624e 38259acd 456988bb 314a4220 
    a0e64441 9e239271 4f31a9c2 677daba5 8c3ed357 adb81f20 e9b39f20 46a35451 
    79f59154 199ea51f 81d6e4d7 807bdb6e 6140926a 211e034e ee99241a 28b86171 
    02030100 01300d06 092a8648 86f70d01 01040500 03818100 0849da08 e76a239c 
    87e40a09 8691bed5 6cfa7129 6baaab51 8c310b61 90a4384f d29d239f 0e70af64 
    b65a3fd0 1a3c0b6a 4d2dad10 ee2f56fa 4718ad54 37846ad2 71bdaf2b bd214109 
    2d3042b1 21e7c313 e93663d5 0dc1cce4 920e89f8 ea168c91 07234f24 b282f4d8 
    e0d24b23 49c57515 f75c6dc1 d71f611d 64325695 71050ac4
  quit
no crypto isakmp nat-traversal
no vpn-addr-assign aaa
no vpn-addr-assign dhcp
telnet 0.0.0.0 0.0.0.0 outside
telnet vpn_users 255.255.255.0 outside
telnet 192.168.50.0 255.255.255.0 inside
telnet 192.168.100.0 255.255.255.0 management
telnet timeout 5
ssh 0.0.0.0 0.0.0.0 outside
ssh 192.168.150.0 255.255.255.0 inside
ssh 192.168.100.0 255.255.255.0 management
ssh timeout 5
console timeout 10
management-access management
threat-detection basic-threat
threat-detection statistics access-list
ssl trust-point ASDM_TrustPoint0 outside
webvpn
 port 8383
 enable outside
 dtls port 8383
 svc image disk0:/anyconnect-win-2.2.0133-k9.pkg 1
 svc enable
group-policy SSLGrpPolicy internal
group-policy SSLGrpPolicy attributes
 dns-server value 192.168.50.1
 vpn-tunnel-protocol svc 
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value Local_LAN_Address
 default-domain value mydomain.local
username wizard password XeCIR6lRhNBejIls encrypted privilege 15
username wizard attributes
 vpn-group-policy SSLGrpPolicy
tunnel-group DefaultWEBVPNGroup general-attributes
 address-pool remote_users
tunnel-group ssl_vpn_connection type remote-access
tunnel-group ssl_vpn_connection general-attributes
 address-pool remote_users
 default-group-policy SSLGrpPolicy
!
class-map inspection_default
 match default-inspection-traffic
class-map mss-map
 match access-list mss_allow_list
!
!
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 
policy-map mss-map
 class mss-map
  set connection advanced-options mss-map
!
service-policy global_policy global
service-policy mss-map interface outside
prompt hostname context 
Cryptochecksum:384fd735637ef2e7a59e083ef772b404
: end
asdm image disk0:/asdm-611.bin
asdm location vpn_users 255.255.255.0 inside
asdm location CiscoASA 255.255.255.255 inside
asdm location WANIP 255.255.255.255 inside
asdm location WAP1 255.255.255.255 inside
asdm location WAP2 255.255.255.255 inside
no asdm history enable
[+][-]07.29.2008 at 05:00AM PDT, ID: 22110532

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[+][-]07.30.2008 at 03:30AM PDT, ID: 22119006

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[+][-]07.30.2008 at 05:36AM PDT, ID: 22119756

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About this solution

Zones: Cisco PIX Firewall, Network Routers, Consumer Firewalls
Tags: Cisco, ASA, 5510, VPN SSL Port Change - Firewall now blocks access
Sign Up Now!
Solution Provided By: JFrederick29
Participating Experts: 1
Solution Grade: A
 
 
[+][-]07.31.2008 at 12:00AM PDT, ID: 22127471

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[+][-]08.05.2008 at 11:48PM PDT, ID: 22167657

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