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

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How to see traffic traversing a Cisco ASA by inside host?

I have a Cisco ASA 5515 running 9.1 and am interested in learning how I can see bandwidth usage by individual hosts. For instance, using MRTG I can see that my average bandwidth utilization is approx ...
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1answer
13 views

Cisco ASA VPN: Drop-reason: (acl-drop) Flow is denied by configured rule

During VPN reconfiguration we have met quite big issue with VPN traffic not passing to peer. Using packet-tracer we have have got following debug: Phase 1 to Phase 9 passed successfully. [...] ...
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1answer
23 views

Force Cisco ASA to change source port NAT

I have a 2 devices, a Cisco ASA and sitting behind it another device. Both the Cisco and the other device have IPsec tunnels but to different locations. I need to ensure that the source port of the ...
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1answer
36 views

cisco ASA 5505 l2tp vpn

I have a problem with cisco asa 5505 vpn configuration. I set l2tp for windows clients. I can connect to vpn but: when i have "use default gateway on remote network" on NIC enabled i have access to ...
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0answers
26 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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2answers
48 views

Routing between 2 networks and 2 routers

I have a WatchGuard XTM33 and a Cisco ASA 5505, current network is running off of the Cisco and I want to eventually migrate over to the WatchGuard using new IP scheme. ASA 192.168.111.1/24 WG ...
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2answers
59 views

Static public IP issue on Cisco ASA 5512x

This is our scenario: We have an Cisco ASA 5512x and we have 2 different Internet connections from different ISPs connected with it. ISP A is being used for the users browsing traffic(normal ...
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5 views

Lync Server 2010 remte users can not use audio or sharing features

Lync Server 2010 - no sip phones, but audio within the application Inside Audio/Video/Conferencing works Recently we were asked to turn on Remote Access (not federation) since users have leared ...
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2answers
60 views

How can I connect to a Cisco ASA5540 from Windows Server 2012 over IPSEC?

Given a windows server 2012 client (which I have under full administrator control), and an external Cisco ASA5540 router (which I don't), I'd like to connect to the router to access their internal ...
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15 views

Route AAA LDAP traffic from ASA through IPSEC-tunnel to Windows DCs

We have one Cisco ASA 5505 in our HQ responsible for connect our remote office with a IPSEC-tunnel and one ASA 5505 at the remote office. The Cisco ASA 5505 in our HQ is also responsible for VPN users ...
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1answer
32 views

How to set up Cisco AnyConnect VPN Client to only tunnel traffic for specific destinations?

I have an Ubuntu server that needs to be able to connect via Cisco AnyConnect VPN to another server for one of our applications. However, because we're using this server for multiple applications, we ...
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49 views

Cisco ASA not allowing DNS traffic to pass?

I have an ASA 5515 as my internet firewall. It is not allowing me to do NS Lookups from any internal DNS Servers, or clients. If I set my nslookup server to 8.8.8.8 (google DNS), I can resolve public ...
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1answer
33 views

Input traffic spikes on outside interface at same time every day

For the last two days I've had this issue where our internet connection SLOWS to a crawl and is almost unusable. I logged into our Cisco ASA 5500 (not very well versed with it) but I was able to see ...
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0answers
20 views

ASA/AnyConnect will only allow 53/udp to the DNS servers listed in the profile

I found a "bug/feature" in Cisco AnyConnect/ASA 5510: if a VPN client makes a query to udp/53 (DNS query) to any IP address that isn't listed as a DNS server in the VPN profile, then ASA drops this ...
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39 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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69 views

Cisco ASA 5525 and multiple internet interfaces

I'm replacing a firewall this weekend with a pair of ASA 5525's. The network configuration is as follows :- Inside LAN - 192.168.1.x Internet 1 - 62.0.0.x Internet 2 - 52.0.0.x The currently ...
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1answer
41 views

How do I allow data to span from port to port on a Cisco ASA [closed]

I'm running a Cisco ASA5520. I could have sworn I had this set up when I installed the system and checked the right boxes in the "Wizard" in Cisco's ASDM, but data only goes from port to port if it ...
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0answers
21 views

Tracking connection route with POST data

I have PHP running on client machines. They connect to a webserver using fopen and upload information stored in local databases. Everything works great, except for one group who uses AT&T cell ...
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1answer
67 views

TightVNC over VPN encrypted? [closed]

I'm using tightvnc to connect to my servers over a IPSEC VPN connection with split tunneling enabled. Is my communication with my servers via VNC encrypted or unencrypted?
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19 views

Is setting an access rule any to any permit the same as the implicit rule?

I have the default setup of outside=0, dmz=50, inside=100. I'm trying to allow the machines on the inside network to talk to each other over a certain port, but a packet trace shows that the acl is ...
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46 views

How To Stop Cisco ASA Spoof Attack

I have thousands of "Deny TCP reverse path check from 10.60.60.X to 10.60.6X.X on interface outside" The IP addresses for the source and destination hosts are all over the board, and the interface is ...
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76 views

Cisco ASA 5500 8.4-9.0 Port forwarding SIP

My setup is with an ASA using software version 9: PhoneServer - at IP 10.111.9.2 ASA firewall IP 10.111.9.1 and second interfaceIP 192.168.9.2 which connects to a Telco router having IP ...
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1answer
178 views

Cannot RDP from inside to dmz

I'm running an ASA 5505 with security plus I have internet access from the inside and dmz vlans I can Remote Desktop from inside to another machine on the inside I can ping inside machines and ...
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3answers
127 views

VLAN planning and questions

I currently manage an environment with IP addressing of 10.10.10.x/23. We have 3 VLANS set up, and I use that term very loosely. The reason I say I use the term loosely is, the 3 VLANS have full ...
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1answer
184 views

Cisco ASA 5500 - SIP ports other than 5060

Is it correct that the SIP inspection in the ASA 5500 firewalls only kicks in for traffic on port 5060? There is some hint at this, while not 100% definitive, on Cisco Docs - ...
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75 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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0answers
23 views

Cisco ASA5505 Public IP Address

I am trying to configure a Cisco ASA5505. I am using the GUI start up wizard. When I assign the outside IP address to be a public IP address the configuration will work but after about 30 seconds the ...
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14 views

Firewall Ports for Toshiba CIX server

Other then SIP ports: 5060 and 5061 what other ports need to be opened to have a phone set up in a satellite office with via external IP address. Phone Server CIX100 Firewall ASA 5510
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1answer
190 views

Cisco ASA Outside to Outside NAT (forward from one public ip to another public IP)

I have an ASA (A) with a set of public IPs (A1..A6). And I have another server S with a public IP (S1) . I want all traffic to A2:22 NATed (forwarded) to S1:22. (SSH is just an example here) If ...
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96 views

Cisco ASA 5505 Access Rules/NAT

I need to allow traffic from any IP to a specific port in an ASA 5505 using ASDM 7.1. I've already created an Access Rule to do this but I ran a Packet Tracer and it gets dropped due to an "implicit ...
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1answer
98 views

Cisco ASA vague error

I'm getting a very vague error from my cisco ASA that connects our VPN to a branch office running a cisco router. I was hoping some one could give me some incite into how I could possibly pull more ...
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0answers
27 views

Giving vpn users access to all connected sites

I have a cooperate network which is connected to the remote branches through MPLS network.I'm wondering is there any way that I can give access to VPN client users to access the resources on other ...
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2answers
106 views

Can I run commands from a file uploaded to my Cisco ASA 5500?

I have to run a lot of ACL/access-group and network-object commands, and I have found a 1024 character limit for each command - even if it spans multiple lines. In code, I use 1,000 chars as the ...
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1answer
78 views

Proxy servers and ASA5510

I am new to Cisco ASA5510 and need to configure it for following situation: Semi-isolated network 10.18.10.0/24 External excess is via high proxy server to ASA to low proxy server. Each proxy has 2 ...
5
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1answer
108 views

ASA5505 slow downstream, fast upstream on VDSL PPPoE

We have recently switched our ADSL2+ connection for a VDSL Connection in our office. The only configuration change I have made to the Cisco ASA for this change, was to change the username/password on ...
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416 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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111 views

Cisco ASA 8.2, accessing an internal webserver with an external IP-address together with port translation

We have one web server, let's call it SERVER01. It is running two different web servers that both uses HTTPS, INTERNALAPP on port 443 and EXTERNALAPP on port 444. In a previous setup we had an old ...
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33 views

ASA 5510 Youtube bandwith limit

Just want to know is it possible to set the limit for youtube. eg I have 45MBPS link, most of the bandwidth consume by youtube only, so i want to limit youtube to 5mbps for all mean for complete ...
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1answer
55 views

ASA Static Route over PPPoE interface

I have an ASA5505 with two PPPoE connections. I wish to add a static route to route just a single subnet over the new PPPoE connection, but the ASA does not seem to allow routing over interfaces ...
3
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1answer
154 views

What are the repercussions of using an EOL Cisco firewall?

I'm looking at using an ASA 5520 for the database of an ecommerce site. According to End-of-Sale and End-of-Life Announcement for the Cisco ASA 5520 Adaptive Security Appliance, this product is ...
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1answer
122 views

Cisco ASA 5510 Inter-interface routing

I'm trying to setup a Cisco 5510 to route traffic between the outside and inside interfaces where both belong to public IP subnets. Our ISP assigned us a single point-to-point IP (207.107.110.150/30) ...
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1answer
521 views

Cisco ASA: port forwarding to different IP depending on client IP/subnet outside

I have Cisco ASA 8.2(5) and would like to configure port forwarding. Cisco ASA has 2 interfaces: outside with IP 192.168.57.2 inside with IP 192.168.1.1 I have two subnets reachable through ...
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2answers
67 views

Possible to use a console cable from a Cisco ASA and use it interactively with ESXi?

I'm creating procedures to deploy a Cisco ASA and an ESXi machine to remote locations where no local tech contacts are available. I think it may be a wise idea to connect the console cable from the ...
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0answers
305 views

Cisco ASA + FreeRadius: Downloadable ACL configuration

VPN users that are using FreeRadius are having access to all VLANs. VPN users using local authentication have local ACLs applied to their access. I need to know what configuration change I need to ...
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0answers
115 views

Cisco ASA Access anyconnect from inside IPsec tunnel

I have a Cisco ASA on a dynamic WAN IP with a IPsec site-to-site tunnel to a remote linux host in a datacenter with a static WAN IP. All non local traffic is tunneled and the datacenter end is the ...
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0answers
189 views

Cisco ASA 5505: PAT / NAT between 2 IPSec Tunnels

I've the following Setup: Customer <-> HQ <-> Branchoffice The Customer has a 192.168.1.0/24 subnet. On the HQ only the VPN Gateway is in my context, 172.20.10.1 . And on the Branchoffice ...
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1answer
313 views

Cisco ASA 5510 Out-of-Order Packets to Google

We're seeing a large number of packets being dropped due to being Out-of-Order. The numbers are large enough that it may be having an impact on network performance. We've isolated it down to a few ...
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2answers
66 views

Can I NAT a public ip that is also used as a VPN peer

I have been reading books and sites on the web for two days and have tried all kinds of things to be able to ping a IP address further into my private network. The VPN tunnel is up and passing other ...
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163 views

ASA 5540 v8.4(3) vpn to ASA 5505 v8.2(5), tunnel up but I cant ping from 5505 to IP on other side

I am having problems pinging from a 5505(remote) to IP 10.160.70.10 in the network behind the 5540(HQ side). 5505 inside IP: 10.56.0.1 Out: 71.43.109.226 5540 Inside: 10.1.0.8 out: 64.129.214.27 I ...
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106 views

Cisco DNS Inspection disallows Reverse Lookup

I'm trying to use DNS Doctoring on my ASA 5505, but apparenly DNS Doctoring required DNS Inspection, and DNS Inspection forbids reverse lookup requests?! How do work around this? I did find this: ...