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

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586 views

ASA 5510 Site to Site VPN works in one direction

I have setup a site to site VPN connection between two Cisco ASA 5510. One site (let's call it A) can see the private network of the other site (site B), but site B cannot see the private network of ...
4
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1answer
122 views

Protecting an ASA in a multi tenant environment

I'm interested to know what best practices are for setting limits and policies on an ASA to protect the device to maintain service when used as a multi tenant firewall. For example following several ...
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1answer
105 views

New Fiber Installation Resulting in Slow Download Speeds [closed]

TWC 80Mbps Cisco ASA 5510 (MTU 1500) Download speeds on my Windows and Mac machines are ~200KB/sec. If I use a download manager that opens 20 concurrent connections I can hit the full 8MB/sec. I ...
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1answer
158 views

Cisco ASA: Terrible network speed once or twice a day, fine otherwise

I've been trying to get to the bottom of this for a while now and, well, it seems like I can't. We have two servers behind an ASA5505 (software version 8.3) at a datacenter. They run a wide variety of ...
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1answer
191 views

Cisco ASA failover can't ping gateway

I'm currently trying to set up a failover network for my Cisco ASA 55x0 using the SLA traking. I have the "outside" interface (network 89.x.x.48/29) and the "outside2" interface (network ...
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1answer
118 views

Secondary fallback/failover network on Cisco ASA

In my network there is a Cisco ASA 55x0 with "inside" interface (network 192.168.79.0/24) and "outside" interface (network 89.x.x.48/29) There is this nat rule: object network NAToutside nat ...
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0answers
626 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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1answer
248 views

Cisco ASA 5505 and slow download speeds for Apple devices [closed]

For traffic routing through my ASA 5505, downloads for all Apple devices, including AppleTV iPad gen 1 IMac MacBook Pro are very slow. speedof.me show less than 1 Mbps download (where I should ...
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3answers
387 views

Cisco ASA syslog over VPN tunnel

I am struggling to get my Cisco device to send syslog data to a remote server running behind a VPN tunnel. syslog IP 10.1.1.161 on the remote end. 10.23.2.0 is local subnet. SNMP polling from ...
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1answer
253 views

VPN Failover Cisco ASA 5505

So basically we have a Cisco ASA 5505 (we have inherited this from a customer, none of us have any experience with Cisco's). Now essentially we have to WAN lines which we have setup in Failover, via ...
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1answer
128 views

Cisco ASA: Why do I sometimes need a username/password when entering enable mode

I'm automating some interaction with Cisco ASA devices. I need to do the following: login over ssh send 'enable', provide enable password send 'configure terminal' send some other commands, never ...
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1answer
158 views

Route being ignored on core Cisco 6500 switch?

This is less likely a bug, and more likely a lack of my own understanding on routing. I am having an asymmetric routing issue where return traffic is going out the wrong firewall. I have an explicit ...
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1answer
147 views

How do you configure a Lan to Lan VPN on an ASA without using your outside interface IP address?

I have two /28 subnets A & B. My PIX and ASA's outside interface addresses are both in subnet A. I am in the middle of a migration from the PIX to the ASA and need to use the PIX outside ...
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2answers
775 views

Cisco ASA-5505 Port Forwarding

I have a Cisco ASA-5505 firewall, which is currently configured to share our internet connection and do NAT for my LAN, as well as forward port 443 to an internal machine. I need to forward port 2222 ...
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1answer
800 views

ASA 5510 8.4 Nat & Portforwarding

So I'm trying to forward an internal service on a internal server to the external interface on the same port on the outside interface of our ASA. I been searching for a solution for days and found ...
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2answers
984 views

NTP client on CentOS 5 fails behind Cisco ASA firewall

I have a CentOS server on which I want to set up an NTP client to get accurate time for the server. The server is on a local subnet with NAT behind an ASA 5505 firewall, which acts as NAT router, and ...
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1answer
50 views

LAN has two entry points - how to manage traffic

I asked this question yesterday when I (seemingly) couldn't get traffic across my router. I've spent a lot of time since then with packet capturing, the ASA 5505 cli/ASDM and wireshark. I've ...
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2answers
603 views

Routing via Cisco ASA is changing TCP sequence/ACK numbers

Our network has a dedicated VPN appliance that sits inside the office network. We have a Cisco ASA with a static route that routes the VPN subnets to the VPN appliance. So a typical request from the ...
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1answer
4k views

Strongswan vpn tunnel connected but the traffic is not routed through it

I have just set up a vpn tunnel site-to-site with strongswan (4.5). The tunnel looks fine and connected to the other side, but seems there is a problem routing traffic through the tunnel. Any idea? ...
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1answer
2k views

How can I debug Cisco Firewall ASA “Dispatch Unit” very high CPU utilisation from ASDM?

I have recently had my first firewall installed so I am very new to this whole situation. I am finding that Dispatch unit is becoming overloaded and it would appear to be the reason I get serious ...
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1answer
594 views

How can I NAT traffic for one VPN to come from a different IP on Cisco ASA?

I have a Cisco ASA firewall between our private network (10.1.0.0/16) and the outside world, and multiple VPNS going to client sites. Existing: [10.1.0.2...] = source client | [10.1.0.1 ASA ...
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371 views

Cisco ASA IPSec Mobile VPN Drops After Inactivity

When I connect to my Cisco ASA 5510 via the built in IPSec VPN on my ipad (over both 3G and Wifi) the connection drops without error (the icon just disappears once I go into settings to check on time ...
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124 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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79 views

ASA 5505 Dedicate WAN Route to Voice Vlan

I've Got multiple WAN connections currently and I plan on moving towards a Active/standby Configuration in the near future, I have two asa 5505's with SecPlus licenses, the device is currently ...
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2answers
422 views

Cisco ASA5505, packet trace shows bootps and bootpc traffic is dropped on DMZ interface

As the title already states, I have a problem getting DHCPd working on the Cisco ASA5505 version 7.2 with ADSM 5.2 with the basic license. Its an older one I know, and every time I tend to forget how ...
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1answer
281 views

How do I configure NAT rules when using ASA IP-SLA when leveraging post-ASA-8.3 NAT syntax?

We are currently running ASA9 at a location with redundant ip connectivity. We'd love to configure ip sla so that internet access survives a single carrier outage. I'm aware of the ip sla commands, ...
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3answers
188 views

Cisco ASA Route command

I'm trying to route connections that are going outbound from my private network to an external IP via another host that is on my internal network. Should the following work? For example: External ...
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2answers
5k views

Cleanest, quickest way to generate a Cisco VPN .pcf file?

What's the most efficient way to generate Cisco VPN .pcf files for distribution to end-users? This is for ASA 5500-series firewalls. Coming from a Mac workstation, I no longer have access to a ...
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1answer
358 views

Broadcom NetXtreme II GigE Teaming Does Not Use Unique MAC, Causing Collisions

I currently have a new Dell server on my local (inside) network that I have setup to use three of the four nics to create a team. Examples below. NIC_1 - mac: 000000000001 - ip: n/a NIC_2 - mac: ...
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2answers
6k views

ASDM unable to launch device manager from

I can't access to my Cisco asa 5505 from my Windows 7 64bit. The problem is that i can connect on it using the ASDM from another PC (WinXP 32bit), and i can connect using my win7 64bit to another ...
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2answers
292 views

IP and Port Forwarding on ASA 5505

I have an ASA 5505 with outside network of public ips 95.123.234.64/26 and inside network of private ips 10.22.33.0/24. I would like to redirect any tcp traffic that hits 95.123.234.67:80 to a public ...
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58 views

Multiple Ports Forwards, Most Working, but Not All?

So I have this ASA5505 setup and pretty much everything works, except a couple key port forwards. Can anybody spot ANY reason why SOME port forwarding would not work? Specifically I know the 50000 ...
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1answer
48 views

.jsp website not loading behind new Cisco ASA 5510

I have an internal web server hosting a few different websites. I'm switching from a Sonicwall NSA to a Cisco ASA appliance. When I switch over to the ASA all of my websites load for external hosts ...
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3answers
205 views

Cisco ASA active SwitchPort

Does anyone know how to see which switch ports are cabled from CLI or ASDM? I am configuring a 5505 and the inside has 6 interfaces associated, only one of which is actually actively linked. I can't ...
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3answers
1k views

Allowing inside traffic to outside on ASA 5505

We have an ASA 5505 with an inside interface 10.22.33.0/24 and outside x.x.x.x/26. The inside ip's are obviously private and the outside ip's are public. I've been able to set up a nat rule to route ...
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1answer
469 views

IOS Port Forwarding and NAT involving a VPN

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 8.2 at our headquarters. The network looks something like this: ...
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29 views

ASA 5505 base license and Voice vlan [duplicate]

My current setup contains a cisco asa 5505 with two cisco sf300-24p switches, the data and voice vlans have been setup on the switches and I've started to setup the needed vlans on the ASA, but it ...
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1answer
354 views

pfSense and ASA 5505

I've got an ASA-5505 (v8.4) in production that handles VPN connections and some public web servers. I wanted to offload user HTTP traffic onto a second Internet connection so I put together a pfSense ...
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1answer
99 views

IPsec with various subnets on one side

I have the following situation: Client subnet(192.168.0.0 /24) ----> Router ----> Internet ----> ASA(172.17.0.2 /24) ----> (172.17.0.1 /24)Gateway ----> (10.0.0.0 ...
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1answer
207 views

Cisco ASA 5505: Clean delete of IPSec tunnel

What is the easiest way to delete a Site2Site IPSec tunnel? The ASDM seemingly does not offer that functionality. I have to go to various tabs to delete the different elements that were created by the ...
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1answer
481 views

ASA 5510 - Routing between Interface

I have a WAN interface and 2 LAN interface. I need both the LAN be able to access a server outside the network via the WAN (outside) interface. I am using a ASA 5510 firewall instead of a router, ...
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1answer
266 views

ASA 8.4 multiple ISP route on port?

ASA-5505, Security Plus license, ASA 8.4, two ISPs. I'd like to send www/https traffic from the inside network out on one ISP interface and everything else on the other. I'm not looking for using it ...
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2answers
139 views

KVM Networking - Multiple LANs

I'm trying to set up some virtual servers with kvm and am struggling to work out what to do regards the network config. Currently I have 10 dedicated servers behind a firewall (asa 5505) - 2 of these ...
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1answer
590 views

Cisco ASA 5505 communication between VLANs

I have an ASA 5505 running 8.4 with multiple internal networks: inside: 10.1.0.0/16 mfg: 10.2.0.0/16 operator: 10.6.0.0/24 I want the inside and mfg networks to have full access to each other and ...
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2answers
137 views

Cisco and HP backups to Spiceworks TFTP occasionally creating .tmp files

We are backing up our ASAs and switches using some scripting. It works very well. I have noticed though, occasionally, the backups to the TFTP will come out not as plain "files" with no extension, ...
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1answer
2k views

Cisco ASA 5520 Unable to access external IP on Internal Network

I have an internal network of 192.168.0.x and I have a server nat'd to an external IP address we have. I can't figure out how I need to change my configuration for this thing to get it to work. I'm ...
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1answer
265 views

Can a Cisco ASA 5550 have multiple boot statements?

In my Cisco routers I have multiple boot statements in the event that one of the images fails to load or is accidently deleted. For example a router may have a config such as: boot system flash ...
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2answers
629 views

How can I configure my network to allow bi-directional traffic between two lans?

Here's my current setup: (and it may require reworking): 2 LAN networks - 192.168.41.0, 192.168.21.0 2 Public IP's (they are assigned to us by specifying MAC Addresses - not subnetted) ...
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1answer
178 views

Cisco ASA 8.4+ redirect multiple ports - best practice?

I was wondering whether anyone could advice on best practices as to the best way to redirect multiple ports for single host in the internal network. As I understand this you can only nat a single ...
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1answer
150 views

Cisco VPN client software use licenses? [duplicate]

I am doing research into Cisco ASA appliances and SSL/Anyconnect. What is the actual cost to do a VPN with a Firewall by Cisco? I never realized they actually charged and do they charge per ...