Cisco VPN :: ASA 5510 Implicit Deny Access Rule Blocking Site-to-Site VPN?

Apr 22, 2012

I've setup a site to site vpn on an ASA 5510 using ASDM (as I have many times before) and the tunnel appears to be up but I am not able to pass traffic.  When I run the packet tracer from my inside network to the remote destination network, it shows that it is blocked by the implicit deny ip any any rule on my inside incoming access list.

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Cisco Firewall :: ASA 5505 Site To Site RTP Traffic Is Hitting Deny All Rule?

Aug 13, 2012

Got an ASA5505 connected to another endpoint running IPsec and being NAT'd at each end to a 10.0.0.0/24 network. I can pass other types of traffic through the ASA 5505 but not RTP traffic. The moment it is NAT'd and hits the firewall rules it gets denied by the default deny at the bottom of the list.

Currently the rules are as follows
 
 Incoming External
allow ip any any
allow tcp any any
allow udp any any
default deny

 [code].....
 
It wont allow us to setup a voip call...however when the same call manager sets up a voip call NOT using this ipsec tunnel it works just fine.

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Cisco :: ASA 5505 Site To Site RTP Traffic Is Hitting Deny All Rule?

Aug 14, 2012

Got an ASA5505 connected to another endpoint running IPsec and being NAT'd at each end to a 10.0.0.0/24 network. I can pass other types of traffic through the ASA 5505 but not RTP traffic. The moment it is NAT'd and hits the firewall rules it gets denied by the default deny at the bottom of the list.

Currently the rules are as follows

Incoming External
allow ip any any
allow tcp any any
allow udp any any
default deny

[code]....

It wont allow us to setup a voip call...however when the same call manager sets up a voip call NOT using this ipsec tunnel it works just fine.

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Cisco Firewall :: ASA Software 8.3 And 8.4 And Implicit Deny Rule In ACLs?

Aug 23, 2011

I have found this in documentation (the same statement for version 8.3 and 8.4):
 
" Access Control Implicit Deny #All access lists (except Extended access lists) have an implicit deny  statement at the end, so unless you explicitly permit traffic to pass,  it will be denied. For example, if you want to allow all users to access  a network through the ASA except for one or more particular addresses,  then you need to deny those particular addresses and then permit all  others. " 

Does it mean that now all ACLs shoud have created manualy deny ip any any rule at the end ? I have migrated one ASA to version 8.3 (no host connected and I can't test it) but after migration I don't see this rule at the end of all ACLs. Does it mean that all traffic will go throu ACLs on all interfaces ? I didn't find any information about this change in documents describing new software features [URL]

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Cisco VPN :: 5510 Site To Site VPN Access To Servers With Overlapped Remote Site

May 18, 2012

I have a requirement to create a site to site vpn tunnel on ASA 5510 from a remote site to my HO, ihave already other site-to-site tunnels are up and running on the ASA.The issue is my remote site has got the network address which falls in one of the subnet used in HO(192.168.10.0/24).My requirement is only  My remote site need to accees couple of my servers in HO which is in 192.168.200.0/24 subnet.

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Cisco Firewall :: ASA 5505 Implicit Rule Blocking Exchange 5040

Jul 23, 2011

I picked up a rather nasty bit of malware which resulted in a format and installation of Windows Ultimate 64, all well now except i cant get the wireless to work, downloaded assorted drivers from the dell support directory but to no avail, so questions are-:am i missing something obvious (windows function button for wireless does nothing)what is the correct driver for the N5040 and are there any tricks in getting it to work.

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Cisco Security :: ASA 5510 - Site To Site IPSEc VPN Configuration Access List

Sep 12, 2011

I configurated Ipsec vpn at asa 5510. my inside ip 192.168.10.156my public ip: 85.x.x.xmy peer ip : 62.x.x.x
 
the project is that:
the remote site want the interesting traffic like that:
source ip 172.16.1.104 can access destination ip 10.0.154.27

My inside ip is 192.168.10.0/0 and i can not to change it 172.16.1.0/24 and i can not to add this ip at my network.

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Cisco VPN :: 5510 Site-to-Site VPN Internet Access From Branch Office For Group

Mar 6, 2013

Our Headquarter (asa 5510) is running a site to site vpn connection with a Branch office (router 2811). All remote users are accesing the internet through the VPN and also accesing headquarter file servers.I want to know if there is a way for some remote users to be able to use the vpn for accesing the file servers but to access the internet through the branch office.  The rest of the remote users will be still accessing the internet through VPN.

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Cisco VPN :: ASA 5510 - AnyConnect Users Cannot Access Remote Office Over Site-to-site

Jul 15, 2012

we have two ASA 5510s one in 8.4(4) and one in 8.2(5) in a site-to-site VPN setup. All internal traffic is working smoothly.Site/Subnet A: 192.160.0.0 - local (8.4(4)) Site/Subnet B: 192.260.0.0 - remote (8.2(5)) VPN Users: 192.160.40.0 - assigned by ASA When you VPN into the network, all traffic hits Site A, and everything on subnet A is accessible.

Site B however, is completely inaccessible for VPN users. All machines on subnet B, the firewall itself, etc... is not reachable by ping or otherwise.There are also some weird NAT rules that I am not happy with that were created after I upgraded Site A ASA to 8.4

Site A internal: 192.160.x.x     External: 55.55.555.201(main)/202(mail)
Site B (over site-to-site) is 192.260.x.x     External: 66.66.666.54(all)

I pretty much just have the basic NAT rules for VPN, Email, Internet and the site-to-site.What do I need to add for the VPN to be able to access the site-to-site network?

Here is my NAT config:

nat (inside,Outside) source static DOMAIN_LOCAL DOMAIN_LOCAL destination static VPN_Network VPN_Network no-proxy-arp route-lookup
nat (inside,Outside) source static DOMAIN_LOCAL DOMAIN_LOCAL destination static DOMAIN_REMOTE DOMAIN_REMOTE no-proxy-arp route-lookup
!
object network DMZ_Network
nat (DMZ,Outside) dynamic interface
object network DOMAIN_LOCAL

[code]....

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Cisco Firewall :: ASA 5510 Identity NAT Configuration For Remote Access VPN And Site-to-Site

Mar 9, 2011

I am try to configure ASA 5510 with 8.3 IOS version.My internal users are 192.168.2.0/24 and i configured dynamic PAT and are all internet .

i want configure identity NAT for remote access VPN.Remote users IP pool is 10.10.10.0 to 10.10.10.10
 
i know to configure NAT exemption in IOS 7.2 version. But here IOS 8.3 version. configure NAT exemption for 192.168.2.0/24 to my remote pool( 10.10.10.0 to 10.10.10.10).

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Cisco Firewall :: ASA 5510 - Allow Only One Host Access To VPN Site To Site Tunnel

May 28, 2012

I have a ASA 5510 that has multiple site to site VPNs. I need to create an additiona site to site VPN but only allow 1 host to access and traverse the tunnel. The network is on a 192.168.5.x but the host that will need to access this tunnel needs to be on a 172.16.33.x network. I dont want any other traffic allowed to access or traverse the VPN tunnel for this host.  How can I set this up?

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Cisco VPN :: ASA 5510 - Remote Subnet Group To Access Other Site-site VPN?

Feb 14, 2011

I have a cisco ASA 5510 at the branch here. It terminates about 8 vpn tunnels and also it supports remote access clients. I just have a quick question. Can my remote sub-net group access the other remote access site-site VPN subnet group. If yes then how should i configure it.

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Cisco AAA/Identity/Nac :: Configure Radius Authentication Across Site-to-site VPN For ASA 5510-01 For Remote Access?

Jun 28, 2012

I am attempting to configure Radius authentication accross a site-to-site VPN for my ASA 5510-01 for remote access.
 
 ASA5510-1 currently has a live site to site to ASA5510-2.
 
ASA 5510-1 - 10.192.0.253
 
ASA 5510-2 - 172.16.102.1
 
DC - 172.16.102.10
 
ASA5510-01 can ping the DC and vica versa but is unable to authticate when i perform a test. ASA5510-01 can authenticate to a DC on it;s own LAN but not on the remote LAN that DC sits on.
 
I have double checked the 'Server Secret Key' and ports as well as various users which all work locallly. ASA5510-02 authenticates to DC with no problems.

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Cisco Firewall :: ASA 5510 / 5505 - Site-to-site VPN One Way Access

Dec 12, 2011

We have a Cisco ASA 5510 at our main office that makes connection with a 5505 at our other office using site to site VPN. (works)
 
Now for the question,
 
we want to access our other office from the main office but we wont want them to have access to our servers etc. so basically we want to control them but they shouldn't have the rights to control us.

Is this possible with a site to site VPN? and how to do it.

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Cisco VPN :: 5510 Create A Site-to-site VPN Without Access To Public IP?

Jul 12, 2012

Our HQ office has an ASA 5510 with full access to internal and external IP's.  We have a small group of remote users that are working from a shared office suite and they only have Internet access by way of internal default gateway.  Using a VPN client is not desirable due to many other devices requiring access to HQ.  Is there a way to create a site-to-site VPN from this remote office space back to HQ (ASA 5510) if they have no access to the public IP address on their end?

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Cisco Firewall :: ASA 5510 Global Implicit Rule

Nov 24, 2011

I got a Global Implicit Rule problem with my Cisco ASA 5510. Here's my configuration : url...I created a PAT translation so that my web server (group LAN Network) could be accessed from the Internet.Although every rule seems to be ok, i got a "tcp deny access" when i try to telnet my public IP on port 80 (ping is ok).
 
Why is there only one Global Implicit Rule, and not one for each Interface (like in the older versions of ASA OS) ?

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Cisco VPN :: Access Server From ASA 5510 Itself Through Site-to-site Vpn?

Feb 14, 2011

I have problem with accessing servers through site-to-site vpn from ASA which makes this site-to-site vpn and has enablerd Clientless VPN.Reason why I need it / What I need to do:ASA 5510 has enabled Clientless VPN and on this portal is allowed users to go to URL of internal servers through bookmars. We are using it when somebody could not access IPSec VPN or is in internet cafe. So this user logs into clientless vpn and click on bookmark to access mail server for exmaple. But there is problem, asa cannot access this server through site-to-site VPN.

Network:Here is quick design of my network.I don't have problem access server in VLAN 159 from VLAN 10 or 100. But I need to be able access servers in Vlan 159 from ASA 5510 which has IP address 192.168.1.4.I have this subnet which ASA belongs in BEFORE-NAT object in same place as VLAN 10, 100 are and in Site-to-Site vpn profile.

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Cisco VPN :: 5510 - VPN Site-To-Site And Remote Access

Aug 8, 2011

can I configure Site-To-Site VPN and Remote Access VPN at the same time in one ASA 5510?

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Cisco WAN :: 2801 Way To Deny Access To A Specify Web Site

Apr 5, 2012

I have a 2801 router. Is there another way to deny access to a specify web site ( like youtube, facebook .. etc ) without create acl's with specifed ip's ? The router doesen't support url filtering. I thought to do something like redirect traffic to another site : for example if one client want to access url.. that the browser will open url...

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Cisco VPN :: ASA5505 Blocking Remote Network / Site-to-site Vpn

Jun 28, 2011

I have a site-to-site VPN already established, everything is working as it should.  I'm trying to block the remote network from accessing our network since we only need to access theirs.  I'm sure this is something very easy to implement with an ACL but I'm not sure where this rule needs to go. The VPN is on ASA 5505. 

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Cisco Firewall :: 5510 CSC SSM Blocking Valid Site

Sep 10, 2012

We have a Cisco ASA 5510 with a CSC SSM 20 module installed. As of this morning a valid site (Public School System) is being blocked at my site. It says the site is of High risk. I have tried entering the site in the block list exceptions but it still comes up as a high risk site.

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Cisco Firewall :: ASA 5510 - CSC SSM Blocking Valid Site

Jul 8, 2012

We have a Cisco ASA 5510 with a CSC SSM 20 module installed. As of this morning a valid site (Public School System) is being blocked at my site. It says the site is of High risk. I have tried entering the site in the block list exceptions but it still comes up as a high risk site...      

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Cisco Firewall :: ASA 5505 - Cannot Add Rule Without Deleting Implicit Rule

Jan 18, 2011

what is the purpose of the "Permint all traffic to less secure networks".
 
Well I know the purpose and the technique to handle some sercurity level is nice. when I cannot add add a rule without deleting this implicit rule?
 
The technique of security level is then obsolete?

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Cisco VPN :: Remote Client Cannot Connect To Local Network Or Site To Site ASA 5510

Jul 21, 2011

I setup RA-VPN under local asa 5510 IP pool (192.168.127.0/24) and all was working fine. I got internet and local network access.
Then i have 5 site to site VPN working fine but when im traying to access to those L2L VPNs from the remote acces client im not able to do that. So after that i decided to obtain IP addresses from my DHCP server so i can obtain IPs from my local network (172.17.16.0/16) and then access normally to the VPN site to site. But the surprise was that the VPN cisco client is getting local IP address (172.17.16.222) perfectly but im not able to access even to my local network.

I have the same-security-traffic permit inter-interface same-security-traffic permit intra-interface enable.

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Cisco VPN :: ASA 5510 - ISP Site To Site Failover With Single Remote Peer Address

Apr 16, 2011

I have a ASA 5510 actve/standby and create one site to site VPN with remote peer ip address xx.xx.xx.xx, Our VPN traffic running on 6 mb internet link for video conferancing traffic.Now client give another link 2 mb internet and client told to us our data traffic runnig on 2 mb link but this data traffic running on the same remote peer IP xx.xx.xx.xx.
 
Secondly request also they need failover over the ISP link.
 
how we immplement the same on ASA 5510.

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Cisco Firewall :: Adding Multiple Site To Site VPNs In ASA 5510

Oct 10, 2012

I have a ASA 5510 at our corporate HQ that has one site to site VPN. I need to add 6 additional site to site VPN's to this ASA for our remote branches. How can I add them without affecting the existing site to site VPN?  The 6 site to site VPN's will all have the same settings however these settings are different from the existing site to site that I already have set up. How can I set it up so the 6 additional VPN's use their own crypto map and all use the same settings?

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Cisco VPN :: 5510 Hair Pining VPN Clients Through A Site-to-site Tunnel

Apr 30, 2013

I have an ASA 5510 8.2(5) in Site1 and a ASA 5505 8.2(1) Site2 they are setup with a site to site tunnel.Each site has VPN clients that connect and I would like to allow clients from both sides access to servers on the other side of the site-to-site tunnel.
 
I enabled same-security-traffic permit intra-interface I also added the remote networks to access-list that is doing the split tunneling. [code]

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Cisco VPN :: ASA 5510 VPN Site-to-Site IKE Initiator Unable To Find Policy

Sep 30, 2012

I have a dynamic VPN site to site between ASA 5510 vs C880 with segment 172.23.191.0/25 for ASA side and some host in C880 side (e.g. 128.1.100.211, 128.1.115.181, 128.1.104.212) . The VPN is up, but only have communication with a host (128.1.115.181).
 
In the logs appears the next message when I try communication for all aother IP in the policy map configuration: IKE Initioator unable to find policy: Intf Inside, Src: 172.23.191.87, Dst: 128.1.115.182..ONLY WHEN I PINGING FROM SOME HOST IN C880 SIDE (e.g. 128.1.100.211) the communication is successfull.

What happen with this VPN, because I need to pinging from C880 IP host to ASA segment for establish communication?

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Cisco :: Site-to-Site From 5510 To 5510 One Dynamic One Static IP?

May 26, 2011

I'm trying to figure out how to get two 5510 ASA's to establish a Site-to-Site VPN.The version with two static IP's is working perfectly and stable but I haven't figured out how to get a VPN running between a static and a dynamic IP

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Cisco VPN :: 1362 / 5510 / Change MTU For Just One Site-to-Site VPN Between ASAs?

Sep 17, 2012

I'm setting up a Site-to-Site Cisco VPN between ASAs. I'm being told by the remote site engineer to set the maximum MTU at 1362. Is it possible to set the MTU for one specific site-to-site VPN on my ASA 5510 Security Plus to MTU 1362? I see my interfeces are all set at 1500. If not, would you recommend I setup a subinterface on my inside network router and a subinterface on the ASA with an MTU of 1362 to get around this issue? Then use this subinterface for traffic from my inside network to transverse through prior to hitting the VPN.

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Cisco VPN :: 5510 - Site-to-site IPsec VPN / ASA To IOS And Redundant ISPs?

Oct 3, 2012

Site A has an ASA 5510 and a single internet connection.Site B has two internet connections (primary and backup). If Site B also has an ASA, I can configure Site A's ASA to deal with a failover at Site B (set peer 1.1.1.1 2.2.2.2). Does this work if Site B has an IOS router instead of an ASA? In other words will "set peer 1.1.1.1 2.2.2.2" on the ASA work when it's talking to IOS on the other end?

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Cisco Firewall :: Site-to-Site VPN Between ASA 5510 And 5505 Configuration

Apr 18, 2013

I am not very experienced with Cisco networking.

Here is the situation.
 
Site A - headquarters 192.168.1.x
Site B - remote office 192.168.20.x
Site C - remote office 192.168.30.x
 
Site A - ASA 5510
Site B - ASA 5505
Site C - ASA 5505
 
Site-to-site VPN is established and works between A and B, A and C. Users would like to establish a tunnel between B and C to work on a common project and the data is on Site B.
 
I tried configuring the S2S VPN with pre-shared keys on both firewalls at sites B and C but in the end it is not established (I cannot ping either side). I used the Wizard interface multiple times and one time the CLI. I generally followed the settings chosen between the headquarter and the individual remote sites and tried to replicate them. Obviously I have made a mistake somewhere.
 
Could there be any limitation on the ASA 5505 in terms of licensing and the number of S2S tunnels?

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Cisco VPN :: ASA 5510 - Site To Site Tunnel Breaks On Upgrade To 8.3.2?

Jan 29, 2011

I have a site to site tunnel (bidirectional) configured between two ASA 5510's (head office and remote office) running 8.2.2. I'm trying to upgrade one end (head office) of the tunnel to 8.3.2 but when I do that, traffic from the remote office to the head office isn't transported. Traffic from the head office to the remote office is still fine (remote desktop sessions, etc).

A quick comparison of the 8.2.2 config and the 8.3.2 config on the head office ASA look identical in terms of the crypto/site-to-site commands.Is there any Cisco guide created yet for creating site/site tunnels under 8.3.2? I'm able to upgrade both ASA at the same time if that's determined to be a prerequisite.

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