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Cisco RPC over HTTP wireless issue
Wireless users have this issue the most.
We just installed a new Cisco 5510 ASA Ver: 8.0(2). The problem occurs when users are using Wireless only. I rebooted the wireless and I am still having the same issue.
Using the wireless I can go out the internet okay, I can do anything just as normal. But the issue occurs when I try to launch the outlook using RPC over HTTP. It might be an DNS issues some how or it might not... becuase If I hard wire that same laptop that I am having issue it connected to the outlook okay. I have Exchange server 2003 Enterprise and using and RPC over HTTP connection... by the way I am connecting using rpc.vegpacker.com (66.120.127.3) If that same laptop it's outside the company it connects okay to the RPC over HTTP....
What I think it's trying to do its going out our LAN then trying to come back to our network and its not allowing it connect because of that same reason. I think it has to deal with our DNS or it has to deal that I haven't configure the CIsco Firewall. Unless there is another option I can put to the client outlook to have to options connect first with RPC if it doesn't work in 10 sec try a Local IP address.
Because a local Ip address does work.
CISCO configuration:
ASA Version 8.0(2)
!
hostname ciscoasa
domain-name hbr.ads.inc
enable password JSEBo3nLngCbVFeU encrypted
names
dns-guard
!
interface Ethernet0/0
description WAN Interface
nameif Outside
security-level 0
ip address 66.120.127.3 255.255.255.192
ospf cost 10
!
interface Ethernet0/1
description LAN Interface
nameif Inside
security-level 100
ip address 10.0.0.92 255.255.192.0
ospf cost 10
!
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 192.168.1.1 255.255.255.0
ospf cost 10
management-only
!
passwd 2KFQnbNIdI.2KYOU encrypted
boot system disk0:/asa802-k8.bin
ftp mode passive
clock timezone PST -8
clock summer-time PDT recurring 1 Sun Apr 2:00 last Sun Oct 2:00
dns domain-lookup Outside
dns server-group DefaultDNS
name-server 68.94.156.1
name-server 68.94.157.1
domain-name hbr.ads.inc
object-group service BarracudaLogin tcp
description 8000
port-object eq 8000
object-group service ProductionWebsite tcp
description Production Website
port-object eq 88
object-group service DSProxy tcp
description DS Proxy
port-object eq 6004
object-group service DSStore tcp
description Store and DS Referal
port-object eq 6001
port-object eq 6002
object-group protocol TCPUDP
protocol-object udp
protocol-object tcp
object-group service EndPointMapper tcp
description End Point Mapper
port-object eq 593
object-group service DM_INLINE_TCP_2 tcp
group-object DSProxy
group-object DSStore
port-object eq pop3
group-object EndPointMapper
object-group service DM_INLINE_TCP_3 tcp
group-object BarracudaLogin
port-object eq domain
port-object eq smtp
port-object eq ssh
access-list Outside_access_in extended permit tcp any interface Outside eq pop3
access-list Outside_access_in extended permit tcp any interface Outside eq smtp
access-list Outside_access_in extended permit tcp any interface Outside eq citrix-ica
access-list Outside_access_in extended permit udp any interface Outside eq ntp
access-list Outside_access_in extended permit tcp any interface Outside eq https
access-list Outside_access_in extended permit tcp any interface Outside eq domain
access-list Outside_access_in extended permit tcp any interface Outside object-group DSStore
access-list Outside_access_in extended permit tcp any interface Outside object-group BarracudaLogin
access-list Outside_access_in extended permit tcp any interface Outside object-group DSProxy
access-list Outside_access_in extended permit tcp any interface Outside object-group ProductionWebsite
access-list Outside_access_in extended permit tcp any interface Outside eq www
access-list Outside_access_in extended permit tcp any interface Outside eq ssh
access-list Outside_access_in extended permit tcp any host 66.120.127.4 eq pptp
access-list Outside_access_in extended permit gre any host 66.120.127.4
access-list Inside_nat0_outbound extended permit ip 10.0.0.0 255.255.192.0 10.101.162.0 255.255.255.0
access-list Inside_nat0_outbound extended permit ip 10.0.0.0 255.255.192.0 66.120.127.0 255.255.255.192
access-list Inside_nat0_outbound extended permit ip 10.0.0.0 255.255.192.0 10.11.0.0 255.255.255.0
access-list Inside_nat0_outbound extended permit ip 10.0.0.0 255.255.192.0 10.12.0.0 255.255.255.0
access-list Inside_nat0_outbound extended permit ip 10.0.0.0 255.255.192.0 10.28.57.0 255.255.255.0
access-list Inside_nat0_outbound extended permit ip 10.0.0.0 255.255.192.0 10.10.0.0 255.255.255.0
access-list Outside_1_cryptomap extended permit ip 10.0.0.0 255.255.192.0 10.28.57.0 255.255.255.0
access-list Outside_2_cryptomap extended permit ip 10.0.0.0 255.255.192.0 10.11.0.0 255.255.255.0
access-list Outside_3_cryptomap extended permit ip 10.0.0.0 255.255.192.0 10.12.0.0 255.255.255.0
access-list Outside_4_cryptomap extended permit ip 10.0.0.0 255.255.192.0 10.101.162.0 255.255.255.0
access-list Outside_5_cryptomap extended permit ip 10.0.0.0 255.255.192.0 10.10.0.0 255.255.255.0
pager lines 24
logging enable
logging asdm informational
logging from-address administrator@vegpacker.co
logging recipient-address it@vegpacker.com level errors
logging recipient-address gestrada@vegpacker.com level alerts
mtu Outside 1500
mtu Inside 1500
mtu management 1500
ip local pool test 10.0.2.1 mask 255.255.192.0
no failover
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-602.bin
no asdm history enable
arp timeout 14400
global (Outside) 101 interface
nat (Inside) 0 access-list Inside_nat0_outbound
nat (Inside) 101 0.0.0.0 0.0.0.0
static (Inside,Outside) tcp interface pop3 10.0.0.50 pop3 netmask 255.255.255.255
static (Inside,Outside) tcp interface 8000 10.0.0.3 8000 netmask 255.255.255.255
static (Inside,Outside) tcp interface https 10.0.0.50 https netmask 255.255.255.255
static (Inside,Outside) tcp interface citrix-ica 10.0.0.9 citrix-ica netmask 255.255.255.255
static (Inside,Outside) udp interface ntp 10.0.0.3 ntp netmask 255.255.255.255
static (Inside,Outside) tcp interface domain 10.0.0.3 domain netmask 255.255.255.255
static (Inside,Outside) tcp interface smtp 10.0.0.3 smtp netmask 255.255.255.255
static (Inside,Outside) tcp interface ftp 10.0.0.55 ftp netmask 255.255.255.255
static (Inside,Outside) tcp interface 88 10.0.0.55 88 netmask 255.255.255.255
static (Inside,Outside) tcp interface 6002 10.0.0.50 6002 netmask 255.255.255.255
static (Inside,Outside) tcp interface 6001 10.0.0.50 6001 netmask 255.255.255.255
static (Inside,Outside) tcp interface www 10.0.0.50 www netmask 255.255.255.255
static (Inside,Outside) tcp interface 2004 10.0.0.50 2004 netmask 255.255.255.255
static (Inside,Outside) tcp interface ssh 10.0.0.3 ssh netmask 255.255.255.255
static (Inside,Outside) 66.120.127.4 10.0.0.107 netmask 255.255.255.255
access-group Outside_access_in in interface Outside
route Outside 0.0.0.0 0.0.0.0 66.120.127.3 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-reco
http server enable
http 192.168.1.0 255.255.255.0 management
http 10.0.0.0 255.255.192.0 Inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac
crypto map Outside_map 1 match address Outside_1_cryptomap
crypto map Outside_map 1 set peer 209.232.241.2
crypto map Outside_map 1 set transform-set ESP-DES-MD5
crypto map Outside_map 1 set security-association lifetime kilobytes 86400
crypto map Outside_map 1 set phase1-mode aggressive group1
crypto map Outside_map 2 match address Outside_2_cryptomap
crypto map Outside_map 2 set peer 201.155.200.127
crypto map Outside_map 2 set transform-set ESP-DES-MD5
crypto map Outside_map 2 set security-association lifetime kilobytes 86400
crypto map Outside_map 2 set phase1-mode aggressive group1
crypto map Outside_map 3 match address Outside_3_cryptomap
crypto map Outside_map 3 set peer 201.155.200.116
crypto map Outside_map 3 set transform-set ESP-DES-MD5
crypto map Outside_map 3 set security-association lifetime kilobytes 86400
crypto map Outside_map 3 set phase1-mode aggressive group1
crypto map Outside_map 4 match address Outside_4_cryptomap
crypto map Outside_map 4 set peer 216.70.225.70
crypto map Outside_map 4 set transform-set ESP-DES-MD5
crypto map Outside_map 4 set security-association lifetime kilobytes 86400
crypto map Outside_map 4 set phase1-mode aggressive group1
crypto map Outside_map 5 match address Outside_5_cryptomap
crypto map Outside_map 5 set peer 201.130.112.142
crypto map Outside_map 5 set transform-set ESP-DES-MD5
crypto map Outside_map 5 set security-association lifetime kilobytes 86400
crypto map Outside_map 5 set phase1-mode aggressive group1
crypto map Outside_map interface Outside
crypto isakmp enable Outside
crypto isakmp policy 10
authentication pre-share
encryption des
hash md5
group 1
lifetime 86400
no crypto isakmp nat-traversal
telnet timeout 5
ssh timeout 5
console timeout 0
management-access Inside
dhcpd address 10.0.1.1-10.0.1.200 Inside
dhcpd dns 10.0.0.54 10.0.0.58 interface Inside
dhcpd wins 10.0.0.54 10.0.0.58 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
!
class-map inspection_default
match default-inspection-traffic
!
!
policy-map global_policy
class inspection_default
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 icmp
!
service-policy global_policy global
tunnel-group DefaultL2LGroup ipsec-attributes
pre-shared-key *
tunnel-group Salinas type ipsec-l2l
tunnel-group Salinas ipsec-attributes
pre-shared-key *
tunnel-group Salamanca type ipsec-l2l
tunnel-group Salamanca ipsec-attributes
pre-shared-key *
tunnel-group Celaya type ipsec-l2l
tunnel-group Celaya ipsec-attributes
pre-shared-key *
tunnel-group SanDiego type ipsec-l2l
tunnel-group SanDiego ipsec-attributes
pre-shared-key *
tunnel-group Mexicali type ipsec-l2l
tunnel-group Mexicali ipsec-attributes
pre-shared-key *
tunnel-group-map default-group DefaultL2LGroup
smtp-server 10.0.0.50 66.120.127.3
prompt hostname context
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by: lrmoorePosted on 2007-10-13 at 05:43:45ID: 20070839
>Because a local Ip address does work.
This is a DNS issue. Your wireless clients should be using the internal DNS that resolves to the local 10.0.0.x ip address. What's happening is that the wireless clients are resolving the web site to the public IP address and that's not good.
You can use the "dns" keyword on your static xlates at the end to help.
static (Inside,Outside) tcp interface https 10.0.0.50 https netmask 255.255.255.255 dns