PPTP - Site Site IOS routers

You can use PPTP for IOS Site - Site as VPN routers

instead of IPSEC?

Thank you

Bob

PPTP is a protocol client-server only, there is nothing in the Protocol that allows two devices to connect with each other and tunnel packets to the other similar to the works of IPSec. I'm sorry.

Tags: Cisco Security

Similar Questions

Site to site VPN between ios routers spoke with one asa possible hub?

Hi people,

I have a couple of series of routers 1841 ios as the rays and a nodal point using an ASA5520 box. Lan to Lan VPN has no problem of communication with nets of void behind the box of the ASA for A rays & speaks B.

Problem with inter communication of talking, talking cannot ping spoke to B and vice versa. I now use GRE tunnels for inter communication speaks. I know that this is not a good way to do it if the VPN L2L must increase in size. Is it better average as the use of DMPVPN or a way to activate any function in the box of the ASA? (Tried to use the command same-security-traffic permit intra-interface on the ASA but did not work). Can advice you here other experts?

Hello

Talk to talk through the Hub of the SAA is possible. And it looks like you were going in the right direction by setting up "permit same-security-traffic intra-interface". Did you get a chance to look at the URL below and configure the Crypto and ACL SHEEP to include remote subnets. Also, did you do the necessary changes to the side talking to reflect the new set upwards.

http://www.Cisco.com/en/us/products/HW/vpndevc/ps2030/products_configuration_example09186a00804675ac.shtml

Kind regards

Arul

* Rate pls if it helps *.

site noncisco routers with IPSec VPN

Hello

I try to connect Router 2911 cisco routers noncisco (HP, TPlink) using ipsec site to site vpn with crypto-cards.

the problem is that vpn ensuring shows '#send error' if command "crypto isakmp identity dn" is used (we use it for authentication of certificate based for cisco vpn clients). When I remove the command, vpn works great with noncisco devices.

Please can you advice if there is no option on cisco ios to fix the problem.

Thank you

Giga

good,

try to use the isakmp profile something like below:

crypto isakmp profile test
function identity address 1.1.1.1 255.255.255.255

under card crypto profiles isakmp as below:

test 1 test ipsec-isakmp crypto map

-Altaf

Windows Firewall is down all packets coming from a PPTP site to site VPN

I have a PPTP VPN site-to-site built with RRAS. The branch server is a Windows Server 2003, and the main Office Server is a Windows Server 2008 R2. Public profile Windows Firewall log shows that all packages of the branch are declining.

Curiously, I can access all the main office desktop computers.

The configuration is:

Main office:
Network address: 192.168.0.0/24
IP address of the server: 192.168.0.3/24

Branch:
Network address: 192.168.1.0/24
IP address of the server: 192.168.1.1/24

I guess that both tunnels are ok because RRAS shows that interfaces are connected. Each PPTP server interface receives an IP address assigned by remote RRAS.

There is no set of packet filters.
There are firewall rules allow ICMPv4 inbound and outbound traffic.

When I try to ping 192.168.0.3 from the Branch Office Server, Windows Firewall records in the log of public profile:

2011-09-28 16:10:44 DROP ICMP 192.168.0.102 192.168.0.3 - 0-0 0 - RECEIVE

where 192.168.0.102 is the address PPP assigned to the Head Office of RRAS.

Any help will be appreciated and very helpful.

Thank you.

Hello

Your question is more complex than what is generally answered in the Microsoft Answers forums. It is better suited for the IT Pro TechNet public. Please post your question in the Technet Forum. You can follow the link to your question:

http://social.technet.Microsoft.com/forums/en-us/category/w7itpro

Hope that helps.

Cisco 877 site to site VPN routers a DHCP end cannot get the tunnel

Hello

I have two 877 cisco routers with the static ip address and other (3 routers more) with ADSL DHCP using the no - IP.com.

Currently I'm doing tests with only the static IP router and a DHCP router.

I can't go up the tunnel and running, I can connect using Cisco VPN client, but a site that is the most important of them does not work

I followed the example of configuration on this document http://www.cisco.com/en/US/tech/tk583/tk372/technologies_configuration_example09186a00801dddbb.shtml

But I have no session encryption of output as well as no ipsec or isakmp output using this command (it's on the static IP router)

SH crypto ipsec his

Crypto isakmp HS her

SH encryption session

on the dynamic ip on the router side, I exit that with the sh command its crypto ipsec

This is the output

R3 #sh crypto ipsec his

Interface: Dialer1

Tag crypto map: mymap, local addr xxx.xxx.xxx.xxx

protégé of the vrf: (none)

local ident (addr, mask, prot, port): (192.168.5.0/255.255.255.0/0/0)

Remote ident (addr, mask, prot, port): (192.168.1.0/255.255.255.0/0/0)

current_peer xxx.xxx.xxx.xxx (Static ip of the router hub) port 500

LICENCE, flags is {origin_is_acl},

#pkts program: encrypt 0, #pkts: 0, #pkts digest: 0

#pkts decaps: 0, #pkts decrypt: 0, #pkts check: 0

compressed #pkts: 0, unzipped #pkts: 0

#pkts uncompressed: 0, #pkts compr. has failed: 0

#pkts not unpacked: 0, #pkts decompress failed: 0

Errors #send 0, #recv 0 errors

endpt local crypto. : xxx.xxx.xxx.xxx, remote Start crypto. : xxx.xxx.xxx.xxx

Path mtu 1492 mtu 1492 ip, ip mtu BID Dialer1

current outbound SPI: 0x0 (0)

PFS (Y/N): N, Diffie-Hellman group: no

SAS of the esp on arrival:

the arrival ah sas:

SAS of the CFP on arrival:

outgoing esp sas:

outgoing ah sas:

outgoing CFP sas:

Interface: ATM0

Tag crypto map: mymap, local addr 0.0.0.0

protégé of the vrf: (none)

local ident (addr, mask, prot, port): (192.168.5.0/255.255.255.0/0/0)

Remote ident (addr, mask, prot, port): (192.168.1.0/255.255.255.0/0/0)

current_peer xxx.xxx.xxx.xxx port 500

LICENCE, flags is {origin_is_acl},

#pkts program: encrypt 0, #pkts: 0, #pkts digest: 0

#pkts decaps: 0, #pkts decrypt: 0, #pkts check: 0

compressed #pkts: 0, unzipped #pkts: 0

#pkts uncompressed: 0, #pkts compr. has failed: 0

#pkts not unpacked: 0, #pkts decompress failed: 0

Errors #send 0, #recv 0 errors

endpt local crypto. : 0.0.0.0, remote Start crypto. : xxx.xxx.xxx.xxx

Path mtu 1500, mtu 1500 ip, ip mtu IDB ATM0

current outbound SPI: 0x0 (0)

PFS (Y/N): N, Diffie-Hellman group: no

SAS of the esp on arrival:

the arrival ah sas:

SAS of the CFP on arrival:

outgoing esp sas:

outgoing ah sas:

outgoing CFP sas:

Interface: virtual Network1

Tag crypto map: mymap, local addr 0.0.0.0

protégé of the vrf: (none)

local ident (addr, mask, prot, port): (192.168.5.0/255.255.255.0/0/0)

Remote ident (addr, mask, prot, port): (192.168.1.0/255.255.255.0/0/0)

current_peer xxx.xxx.xxx.xxx port 500

LICENCE, flags is {origin_is_acl},

#pkts program: encrypt 0, #pkts: 0, #pkts digest: 0

#pkts decaps: 0, #pkts decrypt: 0, #pkts check: 0

compressed #pkts: 0, unzipped #pkts: 0

#pkts uncompressed: 0, #pkts compr. has failed: 0

#pkts not unpacked: 0, #pkts decompress failed: 0

Errors #send 0, #recv 0 errors

endpt local crypto. : 0.0.0.0, remote Start crypto. : xxx.xxx.xxx.xxx

Path mtu 1492 mtu 1492 ip, ip mtu IDB virtual Network1

current outbound SPI: 0x0 (0)

PFS (Y/N): N, Diffie-Hellman group: no

SAS of the esp on arrival:

the arrival ah sas:

SAS of the CFP on arrival:

outgoing esp sas:

outgoing ah sas:

outgoing CFP sas:

Set the configuration is for both routers

Thanks in advance

Kind regards

Hello

Try the following changes:

HUB

NAT extended IP access list

deny ip 192.168.1.0 0.0.0.255 192.168.5.0 0.0.0.255

ip permit 192.168.1.0 0.0.0.255 any

!

TALK

NAT extended IP access list

deny ip 192.168.5.0 0.0.0.255 192.168.1.0 0.0.0.255

ip licensing 192.168.5.0 0.0.0.255 any

the example you mentioned was not using NAT while you are. Check following link:

http://www.Cisco.com/en/us/products/HW/vpndevc/ps2030/products_configuration_example09186a00807ea936.shtml?referring_site=smartnavRD

HTH

Andy

PPTP VPN Cisco IOS router through

Hi all

I was wondering if there is a trick to get PPTP to work through a Cisco router. He was in fact at some point, but I don't remember what has been changed over time... However, it no longer works.

Current configuration includes:

* CBAC applied inbound and outbound on the Internet interface (I needed to add incoming to fix a problem with the mode passive FTP doesn't work is not on a FTP server hosted behind this router)

* CBAC inspects, among other things, PPTP

* ACL applied inbound on interface Internet, GRE and TCP 1723 admitted any intellectual property

* No other ACL on the router

* IOS 15.0 (1)

* Inbound configuration NAT for TCP 1723 (currently using the WAN IP address)

One thing I saw was so Troubleshooting "IKE Dispatcher: IKEv2 version detected 2, Dropping package! - but I think that it is a wrong journal (router as the Cisco VPN configuration example).

The server is definitely okay - we are able to connect over PPTP VPN from the local network to the server. So I think it's a sort of NAT problem, because I don't see anything dropped by the firewall.

Anyone able to point me in the right direction?

Thank you

Hello

Thanks for fix the "sh run". Could you change the following:

IP nat inside source static tcp 10.77.99.11 1723 1723 road-map repeating sheep ccc.ccc.ccc.ccc

to do this:

IP nat inside source static tcp 10.77.99.11 1723 1723 extensible ccc.ccc.ccc.ccc

It would be prudent to proceed with this change in the removal of the map of the route if no one connects to the server via the PPTP VPN.

Let me know.

Kind regards

ANU

P.S. Please mark this question as answered if it was resolved. Note the useful messages. Thank you!

Site to site VPN with router IOS

I want to create a VPN site-to site on the Internet. On the remote site, aside from the VPN to the head office, there should be no traffic not allowed in internal from the Internet to the network and that there should be no traffic from the internal network to the Internet allowed. The internal network will run a private 192.168.x.x address range.

I'm going to use a Cisco 2811 router integrated of services on the remote site and this will last an IPSec VPN that will end a hub at Headquarters. I understand that this router has an IOS and IPS firewall built in.

Would I be right in thinking that because I don't want to have access to the Internet (except VPN) or should I configure IOS firewall features on the router? And there is no point in the configuration of the features IPS wouldn't?

My thought is that only an entry in list of unique access to deny pi a whole applied inbound to the interface that connects to the Internet would be the best strategy. I think that the command "sysopt connection permit-ipsec" should allow the VPN to form even with the ip address to deny any any ACL (or is it just a Pix command? If Yes, then I have to allow ESP and UDP 500 (ISAKMP) from the public address of the hub at Headquarters to allow the VPN to form wouldn't I?).

Think I'll probably expand slightly the access list to allow the icmp Protocol, ssh and https traffic from the IP address of firewall seat outside so that I can monitor the remote site and access it safely if the fail VPN.

And I wouldn't need one access list on the interface connected to the internal network I would like because the range of addresses would be not routable, so they would not be able to initiate connections to the Internet (all the trffic to the remote site is specified under a valuable traffic to bring up the VPN)

Use one of the IOS Firewall inspect commands or the IPS would be useless and have no effect in this case wouldn't it?

I really just need to know if the ip address to deny any any ACL on the external interface on the remote site is the best solution (and the simplest), and whether it will be safe.

We used to use fiewalls Pix for remote VPN site to site, Amazon refuse incoming connections on the external interface by default but now I have been informed that these series 2800 routers will be used later, so I would get my thoughts straight and be able to build safe to do the same work all existing PIX are doing (they are all installed for just the VPN at Headquarters as in) the first paragraph).

I would like any advice or thoughts on the subject. I don't know there must be a ton of people who put routers for the same purpose.

Thank you in advance.

Pete.

Pete

I did a lot of implementations site VPN to another using IOS routers. They work very well. Based on my experience I offer these comments and I hope that they will help you:

-you don't want a list of incoming access on the external interface, but you want more in it than simply refuse an ip. There is no permit-ipsec sysopt connection in IOS so you want to certainly allowed ISAKMP and IPSec/ESP. I suggest that you also want to allow SSH. I would like to allow ICMP but only starting from the address space of the network head end. I do not allow HTTPS since I generally do not allow the http server on the router. If you want HTTPS then certainly enable it. To facilitate the ping and traceroute on the remote I frequently allow icmp echo-reply, timeout and unreachable port from any source.

-I want to put an inside interface access list. There are certain types of traffic that I don't want to send from the Remote LAN. I have usually refuse any trap SNMP or snmp for LAN devices and refuse out of the local network icmp redirects. I also often configure RPF controls inside interface to catch any device which is misconfigured.

-If you want to allow SSH when the VPN is not active (and I highly recommend that you do) then you will probably need to configure at least 1 (and maybe more) users and password of the router ID. And you want to configure authentication on the vty use local authentication if the head end authentication server is not available.

-I'm not clear from your description if you plan to run a dynamic routing via the VPN Protocol. I wish I had a dynamic routing protocol because I want to announce a default route to the remote control via the VPN. I do not locally configure a default route on the remote router. This way if the VPN tunnel is up there is a default route pointing to the tunnel and if the VPN tunnel is not up then there is no local route by default and users on the remote database can not access the Internet. It is a simple and very effective method to ensure that all user traffic must pass through the central site.

-regarding the routes defined on the remote router, my approach is that I define a static route for the endpoint of the tunnel to allow the tunnel to implement and I set up static routes for the subnet to the head of line I can SSH. And I do not configure other static routes the on the remote router.

-You probably want to disable cdp on the external interface and also to disable the proxy-arp (and I don't make any ip unreachable).

-There is frequently a problem when using VPN site-to-site with fragmentation. If a device on the local network sends a frame of maximum size, and then the router needs to add additional headers for IPSec, then the frame is too large and requires fragmentation. I like to use tcp adjust-mss ip to control the chunk size for TCP traffic and avoid any problems with fragmentation.

-I don't think you want to set up the firewall or IPS from the features of IOS on the 2811.

I hope that your application is fine and that my suggestions could be useful.

[edit] after posting my response, I read through your post again and realize that you make to a VPN concentrator. The approach I have proposed on the execution of a routing protocol works for me because I usually have a router IOS in mind. It would not work to connect to a hub.

HTH

Rick

Site to cause VPN - problem with IOS 12.4 of the site?

I have a site with several VPN is configured. Sites with routers (Cisco all) running IOS 12.3 or down are fine. New routers with IOS 12.4 may establish the VPN connection and I can ping the remote networks. When I try to access the Intranet homepage from a remote site, the home page is displayed, but I am not able to access all pages. The same thing is happening with another application (SQL Server program). The clent (remote site) can connect to the SQL database and perform a task, and then get a connectivity error. Sites running IOS 12.3 not have these problems.

ANY IDEAS please?

Looks like an MTU problem.

see if you can clear the df bit in the packet encrypted using the command

Crypto ipsec df - bit clear

or

On the output interface, use the ip tcp adjust-mss command 1400.

Let me know if it helps

Tunnel of sIte establishing btn two routers cisco 1721

Hello

I need to establish IPSec site to site tunnel between cisco 1721 (version supports for IPSec). U can help me to set up the basic configuration.

The network diagram is standard. The objective of the implementation is to establsih a communication between two end counterparts.

IE LAN---> router---> Internet--->---> LAN router

Thanks in advance

Concerning

RAMU

Of course, here is an example configuration for VPN Site to Site tunnel between 2 IOS routers:

http://www.Cisco.com/en/us/Tech/tk583/TK372/technologies_configuration_example09186a0080194650.shtml

Hope that helps.

Need of the ACL kung fu for VPN from Site to Site ACL problem

Group,

Have a little problem I know is related to ACL. I wanted to have a few experts to take a look at my config please. Here's the question:

Attempt to create a site between two offices, but for some reason any that they cannot ping each other. It is a strange thing.

97.XX.231.22 <-->71.xx.160.123

I can ping both firewalls from the outside using a computer to another, but from the internal firewall utilities, they cannot ping each other. At the same time I can ping to their respective gateways.

Secondly, I did an interior outside translation as you can see here for 80 & 443 preventing me from browsing http and https via VPN for Remote LAN, can it be modified to allow access? I can access when I dial in via VPN client but not via permanent VPN tunnel. Here is the config.

no ip nat service sip 5060 udp port

IP nat inside source map route SDM_RMAP_1 interface GigabitEthernet0/0 overload

IP nat inside source static tcp 10.41.14.103 80 71.xx.160.123 80 extensible

IP nat inside source static tcp 10.41.14.103 71.xx.160.123 expandable 443 443

IP route 0.0.0.0 0.0.0.0 71.xx.160.121

IP route 10.67.188.32 255.255.255.224 10.41.14.99 6 permanent

IP route 10.67.188.96 255.255.255.224 10.41.14.99 8 permanent

IP route 10.200.107.0 255.255.255.0 10.41.14.99 9 permanent

IP route 10.200.110.0 255.255.254.0 10.41.14.99 7 permanent

IP route 74.200.107.0 255.255.255.0 10.41.14.99 5 permanent

IP route 74.200.110.0 255.255.254.0 10.41.14.99 4 permanent

IP route 208.67.188.32 255.255.255.224 10.41.14.99 2 Permanent

IP route 208.67.188.96 255.255.255.224 10.41.14.99 3 permanent

!

auto discovering IP sla

Logging trap errors

host 192.168.10.29 record

access-list 2 Note HTTP access class

Note access-list category 2 CCP_ACL = 1

Note access-list 2 Platinum LAN

access-list 2 permit 10.41.14.0 0.0.0.255

access-list 2 refuse any

Access-list 101 remark rules Master

Note access-list 101 category CCP_ACL = 1

Note access-list 101 FaxFinder WWW traffic

access-list 101 permit tcp any host 71.xx.160.123 eq www

Note access-list 101 traffic HTTPS FaxFinder

access-list 101 permit tcp any host 71.xx.160.123 eq 443

Note access-list 101 NTP Time Protocol

access-list 101 permit udp any host 71.xx.160.123 eq ntp

Access-list 101 remark IPSEC protocols

access-list 101 permit udp any host 71.xx.160.123 eq non500-isakmp

Access-list 101 remark IPSEC protocols

access-list 101 permit udp any host 71.xx.160.123 eq isakmp

Note access-list 101 traffic ESP

access-list 101 permit esp any host 71.xx.160.123

Note the access list 101 General License

access list 101 ip allow a whole

Note access-list 102 CCP_ACL category = 2

access-list 102 deny ip 10.41.14.0 0.0.0.255 192.168.76.0 0.0.0.255

Note access-list 102 IPSec rule

access-list 102 deny ip 10.41.14.0 0.0.0.255 10.0.2.0 0.0.0.255

Note access-list 102 IPSec rule

access-list 102 deny ip 10.41.14.0 0.0.0.255 192.168.10.0 0.0.0.31

Access-list 102 remark Platinum LAN NAT rule

access-list 102 permit ip 10.41.14.0 0.0.0.255 any

Note category from the list of access-104 = 4 CCP_ACL

Note access-list 104 IPSec rule

access-list 104. allow ip 10.41.14.0 0.0.0.255 192.168.10.0 0.0.0.31

Note access-list 108 CCP_ACL category = 4

access-list 108 allow ip 10.41.14.0 0.0.0.255 any

Note access-list 109 IPSec rule

Note access-list 109 CCP_ACL category = 4

access-list 109 allow ip 10.41.14.0 0.0.0.255 192.168.76.0 0.0.0.255

Note access-list 110 CCP_ACL category = 4

Note access-list 110 IPSec rule

access-list 110 permit ip 10.41.14.0 0.0.0.255 10.0.2.0 0.0.0.255

not run cdp

!

allowed SDM_RMAP_1 1 route map

corresponds to the IP 102

There is more then one way how you can achieve this goal.

(1) the best way is possible if the two VPN counterparts are IOS routers. Then you can migrate to virtual VPN - tunnel interfaces (VTI). With this, the external interface doesn't mix - and non-VPN-traffic VPN.

(2) if VTI is not possible, you can restrict the translation to only non - VPN traffic using a roadmap:

object-group network RFC1918

10.0.0.0 255.0.0.0

172.16.0.0 255.240.0.0

192.168.0.0 255.255.0.0

NAT-SERVER - 10.41.14.103 allowed 10 route map

corresponds to the TRAFFIC-NAT-SERVER IP - 10.41.14.103

TRAFFIC-NAT-SERVER extended IP access list - 10.41.14.103

deny ip host 10.41.14.103 object-group RFC1918

permit tcp host 10.41.14.103 eq 80 a

allow a host EQ 10.41.14.103 tcp 443

IP nat inside source static 10.41.14.103 71.xx... map route NAT-SERVER - 10.41.14.103

What makes that?

When your server communicates with a system with an address in the range RFC1918, then the road map does not correspond and the translation is not used. It is you, the VPN scenario. But if the server communicates with a non-RFC1918 address, then the translation is used and the server can be reached.

--
Don't stop once you have upgraded your network! Improve the world by lending money to low-income workers:
http://www.Kiva.org/invitedBy/karsteni

Issue from site to site of SRP527w port forwarding

Hello

I have problem with setting up port forwarding on the VPN between two cisco 527w.

Scenario when we see a tunnel VPN from Site to Site between Site A and B; a printer behind Site B must be accessible using the IP WAN of A Site address.

Like the picture above:

-From site A, I am able to ping printer and printer access locally and via 120.146.x.x with port forwarding to installation on site has to the printer.

-From site B, I am able to ping A site gateway but not able to access the printer through 120.146.x.x. The printer can be access via 129.203.x.x if port forwarding is configured on the site B on the printer.

Cisco SRP 527w supports port forwarding via VPN site-to-site site A to site B printer?

Y at - it no suggest or another solution for this scenario?

Some help would be very appreciated.

Kind regards

Thai

Hi thai,

I'm not entirely sure - I think that an IOS based router, for example, the 800 series, you could do with proper setup.

I would say that remote access to a printer or a server like this is perhaps not the most secure solution however. A better approach would be to use a router that supports both a remote access VPN site. With this, you must be able to use a VPN client to access the site with the IP address static, then tunnel to the other site where the device is. You might consider the series RV of the device as well as IOS routers for that.

Kind regards

Andy

Question about ACL's with the 2621 when using site to site VPN

I set up two site to site vpn. We have an ASA at our headquarters and branches will IOS routers - one is a 1811 and the other 2621. Both are running the latest versions of IOS, respectively. The two VPN site-to-site do not work. I have a list of inbound on the external interfaces of both routers, access that allows only the IP address of the ASA IP traffic. All other traffic is denied. I put NAT overload upward in the typical form, and I use ip outgoing inspection on the same interface, to allow incoming traffic back to surfing the internet. This configuration works very well with the 1811, where all traffic is blocked except traffic IP (IPSEC) coming from the ASA. Guests at our headquarters can reach hosts behind the 1811 and vice versa.

Here's my problem: the 2621 is processing traffic encapsulated on the external interface and block this traffic because it does not match. I know because when I turn on logging / debugging on the 2621, I see inbound traffic blocked by the ACL. Technically, I guess that it does not, but to this interface, the traffic is always encapsulated so I think it fits to this access list and then go to the Cryptography decapsulation card and be sent to the destination host. Just as it does on the 1811. I have not 'wan' t to create another line in the access list for all subnets to Headquarters. Why is not it works the same way as it does on the 1811? Is there something else I need to activate?

------------------------------------------------------------------------

Config of 1811:

!
version 12.4
horodateurs service debug datetime msec
Log service timestamps datetime localtime show-timezone msec
encryption password service
!
hostname BranchVPN1
!
boot-start-marker
boot-end-marker
!
logging buffered 51200 notifications
!
AAA new-model
!
!
AAA authentication login default local
activate the default AAA authentication no
authorization AAA console
AAA authorization exec default local
!
AAA - the id of the joint session
no ip source route
IP cef
!
!
IP inspect the audit trail
inspect the IP dns-timeout 10
inspect the name IP internet udp timeout 30
inspect the name IP internet tcp timeout 30
inspect the name IP internet ftp timeout 30
inspect the name IP internet http timeout 30
inspect the name firewall tcp IP
inspect the name IP firewall udp
inspect the name IP firewall icmp
IP inspect the dns name of the firewall
inspect the name IP firewall ftp
inspect the name IP firewall http
inspect the name IP firewall https
inspect the IP firewall name ftps
property intellectual auth-proxy max-nodata-& 3
property intellectual admission max-nodata-& 3
!
!
IP domain name xxxx
!
!
!
!
username xxxxxxxxxx
!
!
!
class-map correspondence vpn_traffic
police name of group-access game
!
!
VPN policy-map
class vpn_traffic
in line-action police 2000000 37500 pass drop exceeds-action
!
!
!
crypto ISAKMP policy 10
BA aes 256
preshared authentication
Group 2
ISAKMP crypto key address xxxx xxxxxx
ISAKMP crypto keepalive 10
!
life crypto ipsec security association seconds 28800
!
Crypto ipsec transform-set esp - aes 256 esp-sha-hmac xxtransform
!
xxmap 10 ipsec-isakmp crypto map
defined peer xxxx
Set transform-set xxtransform
PFS group2 Set
match the address tunnelnetworks
static inverse-road
!
!
!
interface Loopback0
172.16.99.1 the IP 255.255.255.255
!
interface FastEthernet0/0
Description Connection to Internet (DHCP)
DHCP IP address
IP access-group outside_in in
no ip redirection
no ip unreachable
no ip proxy-arp
inspect the firewall on IP
NAT outside IP
IP virtual-reassembly
automatic duplex
automatic speed
No cdp enable
xxmap card crypto
!
interface FastEthernet0/1
Description of the connection to the local network
address 172.20.1.1 IP 255.255.255.0
no ip redirection
no ip unreachable
no ip proxy-arp
IP nat inside
IP virtual-reassembly
automatic duplex
automatic speed
No cdp enable
VPN service-policy input
!
interface Serial0/0/0
no ip address
Shutdown
No cdp enable
!
interface Serial0/1/0
no ip address
Shutdown
!
IP forward-Protocol ND
IP route 0.0.0.0 0.0.0.0 dhcp
!
no ip address of the http server
local IP http authentication
no ip http secure server
IP nat inside source list nat - acl interface FastEthernet0/0 overload
!
IP nat - acl extended access list
refuse any 10.0.0.0 0.255.255.255 ip
allow an ip
outside_in extended IP access list
allow udp any eq bootps host 255.255.255.255 eq bootpc
allow an ip host (ASA IPADDR)
deny ip any any newspaper
IP extended access list police
deny ip host xxxx any
deny ip any host xxxx
IP 172.20.1.0 allow 0.0.0.255 10.0.0.0 0.255.255.255
tunnelnetworks extended IP access list
permit host 172.16.99.1 ip 10.0.0.0 0.255.255.255
IP 172.20.1.0 allow 0.0.0.255 10.0.0.0 0.255.255.255
!
recording of debug trap
logging source-interface Loopback0
exploitation forest xxxx
access-list 160 note t is
not run cdp
!
!
control plan
!
Banner motd ^ CC

Authorized technician!

^ C
!
Line con 0
line to 0
line vty 0 4
exec-timeout 5 0
Synchronous recording
entry ssh transport
line vty 5 15
exec-timeout 5 0
Synchronous recording
entry ssh transport
!
Scheduler allocate 20000 1000
end

------------------------------------------------------------------------

2621 Config:

!
version 12.3
horodateurs service debug datetime msec
Log service timestamps datetime localtime show-timezone msec
encryption password service
!
hostname BranchVPN2
!
boot-start-marker
boot-end-marker
!
logging buffered 51200 notifications
no console logging
!
AAA new-model
!
!
AAA authentication login default local
activate the default AAA authentication no
authorization AAA console
AAA authorization exec default local
AAA - the id of the joint session
IP subnet zero
no ip source route
IP cef
!
!
IP domain name xxxx
!
IP inspect the audit trail
inspect the IP dns-timeout 10
inspect the name IP internet udp timeout 30
inspect the name IP internet tcp timeout 30
inspect the name IP internet ftp timeout 30
inspect the name IP internet http timeout 30
inspect the name firewall tcp IP
inspect the name IP firewall udp
inspect the name IP firewall icmp
inspect the name IP firewall ftp
inspect the name IP firewall http
Max-events of po verification IP 100
!
!
!
!
!
!
!
!
!
!
!
!
username xxxxxxxxxxxx
!
!
!
class-map correspondence vpn_traffic
police name of group-access game
!
!
VPN policy-map
class vpn_traffic
in line-action police 2000000 37500 pass drop exceeds-action
!
!
!
crypto ISAKMP policy 10
BA aes 256
preshared authentication
Group 2
ISAKMP crypto key address xxxx xxxxx
ISAKMP crypto keepalive 10
!
life crypto ipsec security association seconds 28800
!
Crypto ipsec transform-set esp - aes 256 esp-sha-hmac xxtransform
!
xxmap 10 ipsec-isakmp crypto map
defined peer xxxx
Set transform-set xxtransform
PFS group2 Set
match the address tunnelnetworks
reverse-road remote-peer
!
!
!
!
interface Loopback0
172.16.99.2 the IP 255.255.255.255
!
interface FastEthernet0/0
Description Connection to Internet (DHCP)
DHCP IP address
IP access-group outside_in in
no ip redirection
no ip unreachable
no ip proxy-arp
NAT outside IP
inspect the firewall on IP
automatic duplex
automatic speed
No cdp enable
xxmap card crypto
!
interface Serial0/0
no ip address
Shutdown
No cdp enable
!
interface FastEthernet0/1
Description of the connection to the local network
IP 172.20.2.1 255.255.255.0
no ip redirection
no ip unreachable
no ip proxy-arp
IP nat inside
automatic duplex
automatic speed
No cdp enable
VPN service-policy input
!
interface Serial0/1
no ip address
Shutdown
No cdp enable
!
IP nat inside source list nat - acl interface FastEthernet0/0 overload
no ip address of the http server
local IP http authentication
no ip http secure server
IP classless
IP route 0.0.0.0 0.0.0.0 dhcp
!
!
!
IP nat - acl extended access list
refuse any 10.0.0.0 0.255.255.255 ip
allow an ip
outside_in extended IP access list
allow udp any eq bootps host 255.255.255.255 eq bootpc
allow an ip host (ASA IPADDR)
deny ip any any newspaper
IP extended access list police
deny ip host xxxx any
deny ip any host xxxx
IP 172.20.2.0 allow 0.0.0.255 10.0.0.0 0.255.255.255
tunnelnetworks extended IP access list
permit host 172.16.99.2 ip 10.0.0.0 0.255.255.255
IP 172.20.2.0 allow 0.0.0.255 10.0.0.0 0.255.255.255
recording of debug trap
logging source-interface Loopback0
exploitation forest xxxx
not run cdp
!
!
!
!
!
Banner motd ^ CCC

Authorized technician!

^ C
!
Line con 0
line to 0
line vty 0 4
exec-timeout 5 0
Synchronous recording
entry ssh transport
line vty 5 15
exec-timeout 5 0
Synchronous recording
entry ssh transport
!
!
end

Please check if this helps:

http://www.Cisco.com/en/us/docs/iOS/12_3t/12_3t8/feature/guide/gt_crpks.html

Federico.

When you access Server Essentials VPN 2012 site, users are unable to print locally.

My company has a Server Essentials of 2012 in a building (A) and several Wi-wired clients and in another building (B). This is not a domain but a pattern of working group because they have a lot of PC which is not the pro version of the OS. Both sites use routers rank consumption high range and NAT with an address range covering192.168.1.XXX.

In building B, there is a wired multifunction printer. Users can access the files via the VPN, but they cannot print locally. When you're connected, ping the address of the printer fails. If they disconnect from VPN they can print without problem. VPN clients are configured in such a way that "use default gateway on remote network" is unchecked. "Enable NetBios over TCP/IP" is selected.

In building A DNS is handled by the server, but in the B building, it is managed by the router.

Is there a way around this problem?

Is there a better place to ask this question?

Thank you!

It is indeed a better place to post: Microsoft Technet forums.

IPS/ACL/ZBF precedence on router IOS

I have a number of 891 routers deployed for VPN connectivity to a central site. Routers have an ACL so focused on the area of firewall and IPS/IPS configured on their public interfaces. They run IOS universal 15.1.1. They have been for more than six months.

Last week I started having newspapers like that of the instance of IPS:

Jan 12 09:51:21 ss260 378: Jan 12 15:51:20.551: % 4-IPS-SIGNATURE: Sig:3041 Subsig:0 SEV:100 package of TCP SYN/DEF [Source that I can't identify me - MY-ROUTER:25-> IP - IP:25] VRF: NONE RiskRating:100

I know that the ACL interface is processed before the ZBF. I was assuming that IPS happens after the ACL as well, but this package should never have gotten past my ACL. The ACL only allows ESP, IKE, SSH and pings and then only if they are from about a half dozen source IPs. The source of the trigger package is NOT among those permitted.

Because my ACL does not all traffic not encrypted (with the exception of the pings I generate), I really didn't expect the instance of IPS to see whatever it is likely to trigger an alert, and until last week, it was true.

So far, all the newspapers are for the same signature SYN/DEF. It is a type of special cases for some reason signature any or can I wait to see alerts whenever a packet that will block anyway, the ACL matches a signature?

Hello

First of all, I noticed that packages fell by IPS have the port source and destination 25 - weird ;-)

If you are interested in the operation with new code CEF order you can check 'show cef interface INTERFACE_NAME IFC_NUMBER', it is reliable and in order, they are done, but perhaps more detail you need ;-)
```
Router#sh cef interface fa0/0

FastEthernet0/0 is down (if_number 4)

  Corresponding hwidb fast_if_number 4

  Corresponding hwidb firstsw->if_number 4

  Internet address is 10.1.1.1/24

  ICMP redirects are always sent

  Per packet load-sharing is disabled

  IP unicast RPF check is disabled

  Input features: Access List

  Output features: Firewall (NAT), Firewall (inspect)

  Inbound access list is 101

  Outbound access list is not set

  IP policy routing is disabled

  BGP based policy accounting on input is disabled

  BGP based policy accounting on output is disabled

  Hardware idb is FastEthernet0/0

  Fast switching type 1, interface type 18

  IP CEF switching enabled

  IP CEF switching turbo vector

  IP CEF turbo switching turbo vector

  IP prefix lookup IPv4 mtrie 8-8-8-8 optimized

  Input fast flags 0x1, Output fast flags 0x0

  ifindex 3(3)

  Slot  Slot unit 0 VC -1

  Transmit limit accumulator 0x0 (0x0)

  IP MTU 1500
```
HTH,

Marcin

IOS router VPN client

Hi all

I have 2 sites connected through a VPN between 2 IOS routers.

I have also some customers switched that need to connect on the inside network via a VPN with one of the routers.

The VPN client software is enough or should I take into account the other components (for example an AAA for Xauth server)?

Someone at - it an example configuration for the router IOS?

Thank you

If you more security, you can use the aaa server:

http://www.cisco.com/warp/public/707/ios_usr_rad.html .

You can also perform local authentication on the router:

http://www.cisco.com/warp/public/471/ios-unity.html .

Kind regards

Eric

PPTP - Site Site IOS routers

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