The Cisco ASA (Adaptive Security Appliance) series of products provide Firewall and VPN functionality.

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121 views

Cisco ASA failback to preferred IPsec peer

I just configured my Cisco ASA 5505 to failover to a backup internet line when the main outside interface is down. This all works fine. Also, I have a site-to-site IPSEC VPN tunnel from this ISP-...
4
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235 views

Cisco ASA ipsec vs Anyconnect client issue

So I have an iPad that has a IPSec VPN created. I am able to connect from the outside fine and I can access my local LAN files just fine. When I connect with the Cisco AnyConnect client from the same ...
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1k views

cisco asa reloading

After having both memory and code upgrades, we have a significant number of our asa 5520's (in active/standby pairs) develop problems. The problem manifests itself as losing connectivity to the other ...
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196 views

VLAN Communication between Cisco ASA 5510, and VMWare ESXi 5.5

I've having a problem, where my Cisco ASA 5510-v8.2 can't communicate with VM's in a VLAN specific port group. The Cisco ASA is currently sitting in front of a group of VM's that have public IP's. ...
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730 views

ASA 5505: How do I access the DMZ web server from the inside using the public IP?

We are using a 5505 ASA Sec+ (8.2). There are three interfaces: inside (172.17.0.0/24), dmz (172.16.0.0/24) and outside (1.2.3.4 for the example). There are static NAT rules set up translating 1.2.3....
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46 views

Squid3 WCCPv2 with ASA not working

So I have begun the awful adventure of getting Squid 3.3.8 working with my Cisco ASA 5520 (9.1(5)). I think the problem is that the traffic is getting to the squid box but it is either not getting to ...
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39 views

Dual path VPN on ASA 9.2

We have two sites that are joined by a VPN over two WAN links, one primary and one backup only. The VPN endpoints are a pair of active/standby ASA clusters at each site. Each site also has multiple ...
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32 views

Manually specify a tunnel gateway for an IPSec VPN Connection (ASA)

I have currently got several VPN's on-premise that are setup on the outside interface and using the default gateway on the interface as an originating source of the VPN tunnel. Although the outside ...
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2k views

OpenSSL cannot convert PKCS12 exported from Cisco ASA 55xx

I have exported an existing certificate+key from an ASA 5510: asa5510(config)# crypto ca export MYTRUSTSTORE pkcs12 MYPASSWORD Saved the output in a file (vpn-cisco.pkcs12), and now I am trying to ...
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92 views

Does Cisco IOS XRv support logging of TCP connection (e.g. built and/or teardown)?

I have a demo of Cisco IOS XRv and I would like to setup logging for connections. E.g. for ASA "show logging" shows log messages for every TCP connection built or teardown: Jun 11 12:29:31 10.10.10....
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506 views

How to allow vpn users to access only specific servers?

Currently we have an ASA with an IP pool to allow an outside contractor to remotely connect and access our network. What we would like to do is limit what they can get to once they are connected. I ...
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387 views

Keepalived failover not working for Static NAT target behind Cisco ASA

I've got a Cisco ASA[0] with a pair of Linux boxes in the DMZ running Keepalived and HAproxy acting as a load-balancing failover pair for another pair of Windows servers, also in the DMZ. I'm ...
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695 views

How can configure Cisco ASA 5510 to allow access to Web server in DMZ from LAN with port translation?

I am trying to configure Cisco ASA 5510 firewall to allow access from LAN to DMZ web server. Web server is located in the DMZ and is using port 8080. I don't want users to type port number every time ...
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141 views

Cisco ASA privilege level for object-groups

I'm trying to set-up privilege level 2, so that it has access to read and modify object and object-groups. Showing them seems to be no problem. I can also enter configure mode. I just can't get the '...
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1k views

ASA5505, 9.1, Static NAT Port Range Forwarding

ASA5505 Version 8.4+ (Using 9.1).. Adding port range for static nat. object network server_x host 123.123.123.123 access-list outside_in extended permit tcp any object server_x range 1000 2000 ...
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555 views

ASA Site to Site VPN Version 8.4 Natting Same Subnets

My site and client site has same Lan IP range. Both using ASA version 8.4 Site A : 192.168.18.0 Site B : 192.168.18.0 Please tell me how to do Natting on 8.4 Any help would be highly appreciated. ...
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6k views

cisco asa NAT to site-to-site VPN

I'm trying to NAT an external address to an internal address which is not local, but on a remote end of a site-to-site VPN connection. Is this possible? Log says Routing failed to locate next hop for ...
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981 views

WDS server & Cisco ASA (DHCP)

My setup: WDS server (w2indows 2003 R2) located on subnet 10.1.1.10 Various site locations all on different subnets. Eah site has a Cisco ASA firewall configured to respdon to DHCP requests. ...
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1k views

Cisco ASA - DHCP Relay doesn't seem to be working consistently

I'm having an issue where some users on one of our DMZ networks aren't getting a DHCP address from the Windows DHCP server on our internal interface. Being that not everyone is affected is making ...
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32 views

CISCO ASA ASDM Allow internal IP to access external IP

I'm running ASDM 7.2 and have 2 servers on the same local ip range that can communicate ok. These 2 servers have external IP's and I need to get them communicating on the external IP's but this fails. ...
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37 views

Cisco ASA 5505 Issue - “Flags SYN on interface..”

I've been trying to remotely configure a Cisco ASA 5505 in front of a dedicated server hosted with OVH. Unfortunately my qualifications and even experience very rarely touched on Firewalls. However I ...
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38 views

cisco asa public server nat issue

I have been tasked with some ASA configuration coming in a few weeks, and to test out some configuration options I have setup a web server on my local network which I would like to be able to access ...
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27 views

On Cisco firewall, show access-list main rules only (with line numbers)

For example, if I do a sh access-list Lets say I have a rule on line 2 that has one object-group to another object-group connected on X ports. Well, there may be 30 lines below that, that all say ...
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24 views

How should I use Cisco ASA 5510 and Catalyst 3550 together

So I took on a project at my job moving four separate networks into one Colo center. Currently I broken everything down from the four networks into 4 VLANS on the ASA 5510. Each are assigned IPs ...
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24 views

Cisco ASA 5510 ASDM 6.4 (2) unable to do port translation

I have a situation, where I want to do port translation. For example I can acces my service outside ip:8081 that is forwaded to server:8080. I should have a NAT rule option to add PAT like in this ...
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59 views

Cannot Route RDP Traffic Through AWS Site-to-Site VPN

Hi I have establish VPN connection to the AWS VPC, but still there are some routing issues that make RDP connections fail to initiate, because the router WAN IP is differs from the Public IP, lets say:...
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75 views

CISCO SSL VPN Apps fail to connect using Java 8 update 71 (Java 8u71)

A remote client uses the SSL VPN apps for port forwarding through an ASA 5505 firewall. Basically no traffic was able to traverse the port forwarded IP addresses. Using the web browser in the VPN ...
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96 views

Is it possible to access inside server using outside address from dmz an a Cisco ASA

We have a Cisco ASA 5506-X (running ASA 9.5(1)) and a /28 public network. The first available address in the public network is assigned to the outside interface of the ASA and has NAT/PAT to several ...
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63 views

Cisco ASA l2l tunnel established, can receive pings but cannot reply

I'm a bit new to managing a Cisco ASA appliance and I'm doing my best to learn, however I got a problem here. Long story short, we are trying to connect a hospital's ADT HL7 feed to our remote ...
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63 views

udp 300 - acl drop - flow is denied

I am facing below issue after connecting l2tp with Cisco asa. Split tunnel is configured. It drops dhcp packets. Here is capture and config. 29: 22:39:38.733909 192.168.255.1.68 > 255.255.255....
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115 views

Cisco ASA 5505 no NAT

I have a cisco asa 5505. The outside and inside IPs are private IPs so I do not want to NAT the inside IPs as they go out the Outside interface (there is a router upstream of the ASA 5505. Would I do ...
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109 views

Allow Ports 80, 443 and 81 through ASA 5510

We are switching our VoIP provisioning method from TFTP to HTTP provisioning and have been asked by the VoIP provider to allow inbound access on ports 80, 81 and 443 from their two network networks on ...
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660 views

Configuring ASA 5510 for multiple port-forwarding using TCP-UDP service group

I'm currently trying to configure two different ASA 5510s to properly forward all ports used in h323 video conferencing to the proper video conferencing equipment setup on the internal network on each ...
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392 views

Broadcom NICs, Cisco ASA and ARP request collisions

First of all I am sorry for my english mistakes. Help me please to solve the problem with ARP request collision incidents. I have IBM BladeCenter E chasis with blade servers are installed in this ...
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230 views

ASA failover mode switching from Active/Active to Active/Standby

We have two ASAs with failover set to Active/Active. This seems to work fine for everything we do except using VPN connections. It seems whenever the primary ASA fails over that all VPN connections ...
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815 views

Route two public (ISP assigned) subnets on 'outside' interface of Cisco ASA 5510

We've got a Cisco ASA 5510 that sits on our edge and acts as the PPPoE endpoint for a fibre connection. The fibre connection came with a static IP, which is assigned via PPPoE, and gets picked up by ...
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2k views

Cannot access L2L VPN from RA VPN connected client on Cisco ASA 5510

We have a Cisco 1921 router running IOS 15.1 at one of our branches which is connected via a L2L IPsec VPN to a ASA5510 running ASA 7.2 at our headquarters. The ASA also provides IPSec Remote Access ...
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854 views

Cisco SPA504G phone CDP/LLDP issue

Good morning everyone, Just recently signed up for the site because I'm looking for some help with an issue that's been plaguing me for about a week now. I hope I'm posting in the right place. If ...
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345 views

Setting up an IPSec VPN with Cisco ASDM

I am trying to set up a VPN remote access with a Cisco ASDM 6.4 for ASA 5505 Version 8.2(5). In order to set up the VPN I followed this steps. After this steps my info look like this: VPN Tunnel ...
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2k views

ASA Slow IPSec Performance with Inconsistent Window Size

I have a IPSec link between two sites over ASA 5520s running 8.4(3) and I am getting extremely poor performance when traffic passes over the IPSec VPN. CPU on the devices is ~13%, Memory at 408 MB, ...
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477 views

UDP Range Nat Translation port forwarding RPT Traffic to inside host PBX Cisco ASA 5505 8.2a

I have an Asterisk based PBX that I'm providing VoIP services with, My gateway is a Cisco ASA 5505 running 8.2 and I only have one public IP Available along with other services I provide with that IP. ...
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245 views

Can't remote into server from Android phone after VPN client connects to ASA 5505

I have a Samsung Galaxy Note. I am connecting to an ASA 5505 using NCP as the VPN Client. Connecting is no problem. However, when I try to remote into my server, using xtralogic remote desktop the ...
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751 views

Dual pppoe isp connection on a Cisco ASA 8.4

Thank you for helping me. I've a Cisco ASA 8.4 with dual isp connection (pppoe authentication on both line). I configure Two vdpn groups for each connection and add two vpdn username to my cisco's ...
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146 views

Disable response from outside interface on ASA 5505 while allowing ping (and response from outside) on the inside interface?

On the ASA 5505 How do I allow icmp requests out (and responses back in) while not allowing a response from the outside interface when pinged.
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1k views

ASA 5505 unable to get Lan2Lan and L2TP VPN's working together

I am connecting a remote ASA to a central site with the following settings: Phase 1 IKE: Encryption: DES Authentication: MD5 DH: DH2 Phase 2: Encryption: DES Authentication: MD5 I was getting the ...
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797 views

LOCAL and RADIUS authentication on ASA

Have configured local authentication which was working fine.And today I wanted to implement RADIUS too .. but after I have done, Im unable to login to my firewall user-identity default-domain LOCAL ...
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744 views

MAC OS X VPN client / Certificates / Cisco ASA series

I spent a lot of time surfing the web for the solution, but alas, so I finally concluded that this might be an interesting topic to discover. Here's the task: 1. I need to establish VPN connection ...
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3k views

How to open ports in Cisco ASA 5505 using ASDM?

am new to cisco and i badly need help in opening ports using ASDM. I already tried natting but it only allows 1 outside and 1 inside rule ex. Inside Static Rules 10.x.x.x outside 72.x.x.x Outside ...
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449 views

Cisco ASA 8.4 Port Forwarding Site-to-Site VPN

I have a Cisco ASA (running ASA 8.4) which has a Site to Site IPsec tunnel to three sites. These sites have overlapping address ranges, so on my ASA I have setup NAT so everything is accessible. I ...
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5k views

Cisco ASA - Duplicate ISAKMP SA - REKEYs

I have an issue with IPSEC VPNs where a single endpoint generates multiple ISAKMP SAs. (in my examples I have replaced the IPs - 1.1.1.1 is the remote endpoint, 10.10.10.10 is an object on the remote ...