09-08-2008 02:01 PM - edited 02-21-2020 03:55 PM
I want to restrict VPN connections to come only from certain networks. So if the client is not sitting on a A.B.C.D ip address and tries to VPN in, he gets disconnected. I guess it's an IP checking feature I'm trying to implement. How do I go about doing that? This is my config:
ciscoasa# sh run
: Saved
:
ASA Version 8.0(4)
!
hostname ciscoasa
enable password xxx
passwd xxx
names
!
interface Ethernet0/0
speed 100
duplex full
nameif outside
security-level 0
ip address outside_ip 255.255.255.240
!
interface Ethernet0/1
speed 100
duplex full
nameif inside
security-level 100
ip address 172.17.193.100 255.255.255.0
!
interface Ethernet0/2
shutdown
no nameif
no security-level
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 192.168.1.1 255.255.255.0
management-only
!
boot config disk0:/exit
ftp mode passive
clock timezone mst -7
clock summer-time mdt recurring
access-list split_tunnel_list standard permit 172.17.193.0 255.255.255.0
access-list inside_nat0_outbound extended permit ip 172.17.193.0 255.255.255.0 192.168.10.0 255.255.255.0
access-list inbound_on_outside extended permit icmp any any
access-list inbound_on_outside extended permit tcp any host outside_ip eq 5555
pager lines 24
logging enable
logging asdm informational
mtu outside 1500
mtu inside 1500
mtu management 1500
ip local pool vpnuserspool 192.168.10.101-192.168.10.254 mask 255.255.255.0
no failover
icmp unreachable rate-limit 1 burst-size 1
icmp deny any outside
asdm image disk0:/asdm-613.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list inside_nat0_outbound
nat (inside) 1 172.17.193.0 255.255.255.0
static (inside,outside) tcp outside_ip 5555 172.17.193.96 5555 netmask 255.255.255.255
access-group inbound_on_outside in interface outside
route outside 0.0.0.0 0.0.0.0 outside_ip 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
dynamic-access-policy-record DfltAccessPolicy
aaa authentication ssh console LOCAL
http server enable
http 192.168.10.0 255.255.255.0 inside
http 172.17.193.0 255.255.255.0 inside
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 ipsec transform-set firstset esp-3des esp-md5-hmac
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
crypto dynamic-map dyn1 1 set transform-set firstset
crypto dynamic-map dyn1 1 set security-association lifetime seconds 28800
crypto dynamic-map dyn1 1 set security-association lifetime kilobytes 4608000
crypto dynamic-map dyn1 1 set reverse-route
crypto map mymap 1 ipsec-isakmp dynamic dyn1
crypto map mymap interface outside
crypto isakmp enable outside
crypto isakmp policy 1
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 43200
crypto isakmp nat-traversal 3600
telnet timeout 5
ssh 172.17.193.0 255.255.255.0 inside
ssh 192.168.10.0 255.255.255.0 inside
ssh timeout 60
console timeout 0
09-08-2008 02:01 PM
management-access inside
dhcpd address 172.17.193.101-172.17.193.254 inside
dhcpd dns 172.17.193.6 interface inside
dhcpd enable inside
!
dhcpd address 192.168.1.2-192.168.1.254 management
dhcpd enable management
!
threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
ntp server 129.128.5.210 source outside
group-policy vpnuserspolicy internal
group-policy vpnuserspolicy attributes
split-tunnel-policy tunnelspecified
split-tunnel-network-list value split_tunnel_list
address-pools value vpnuserspool
username john.doe password xxxencrypted
username xxx
vpn-group-policy vpnuserspolicy
username admin password xxx encrypted privilege 15
username admin attributes
vpn-group-policy vpnuserspolicy
tunnel-group vpnusersgroup type remote-access
tunnel-group vpnusersgroup general-attributes
default-group-policy vpnuserspolicy
tunnel-group vpnusersgroup 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 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
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:xxx
: end
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide