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

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ASDM - ASA Issue

This is actually a two part question, if anyone has had experience with the issue and could help me out it would be greatly appreciated. Backstory: Using GNS3 with ASA 8.4(2) and ASDM 7.1(5). I've ...
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1answer
2k views

Strongswan VPN Established but no Packets Routed

I'm setting up a VPN using strongSwan between a Linux instance on an Amazon EC2 instance and a remote network via its Cisco concentrator. I need to route packets from the Linux instance itself a ...
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1answer
4k views

Can't access ASA website to download ASDM launcher

Hoping someone can give me a pointer on here. I recently took a new position and am currently trying to learn the new system. I'm having trouble getting to ASDM and have Googled plenty to no avail. ...
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1answer
6k views

Cisco ASA 5505 - NAT or Port Forward for SIP / VoIP ver 8.4

I just had an NEC PBX installed that lets me use SIP trunks for VoIP services, My gateway is a Cisco ASA 5505 running 8.4 and I only have one public/static IP Addresses. So far, my trunks are ...
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1answer
186 views

ASA High Availability failover link configuration

According to the Cisco ASA 5500 Series Configuration Guide, Cisco's preferred method of configuring your network for ASA High Availability is as such: They have two switches on External, two ...
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34 views

Find a VPN Name on a Cisco ASA box given a remote IP address

I have a Cisco ASA box with multiple site-to-site VPNs defined. Is there a way to automate finding the VPN name based on a given remote IP address?
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3answers
2k views

VLAN over VPN (ASA 5520)? if not any other options available?

Is it possible to extend the local VLANs to a Remote site connected by IPSEC VPN using ASA 5520 / Cisco 1841 DSL router. can we have many VPN tunnels between the ASAs? (from every VLAN one vpn ...
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2answers
2k views

Cisco ASA syslog format description [closed]

Where can I find Cisco ASA syslog format description? Log example: Dec 11 08:01:24 <IP> %ASA-6-302015: Built outbound UDP connection 447235 for outside:NTP_Server_2/<port> ...
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1answer
126 views

IPsec VPN Server behind Cisco ASA (Transparent mode)

I've a Cisco ASA 5510 with transparent mode, and I'm going to setup a IPsec VPN(Openswan) in a internal linux server(with Public IP). This server has 2 NIC, 1 public IP, and 1 internal IP. I've ...
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1answer
108 views

Cisco ASA 5505: Created a faulty NAT rule. Can't reach the ASA

I was trying to create a NAT rule to reach my internal web server from inside the LAN. Something must have gone wrong. Now when i try to reach the ASA through https://192.168.1.1 the response is from ...
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2answers
507 views

Cisco ASA 5505: Reach outside DNS address from inside

We use a Cisco ASA 5505 at our company. We have a dns A record (home.company.com) pointing to the external IP. In the ASA 5505 the http-port (80) is forwarded to an inside web server. No problem ...
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2answers
1k views

IPSec tunnel on ASA keeps disconnecting

I have an ASA IPSec tunnel configured between an ASA5505 and Microsoft TMG 2010 SP2. The tunnel sometimes works for a few hours, and then disconnects, and other times it works for 5 minutes and then ...
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1k 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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235 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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1answer
71 views

Cisco ASA crypto keys, SSH, and VPN

I'm new to the ASA and wanted to know if regenerating crypto keys on an existing ASA with established VPN tunnels could negatively affect the tunnels. The reason for wanting to regenerate crypto keys ...
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1answer
258 views

Cisco ASA 5500 — List of outbound connections?

Is there a command or GUI option to get a list of outbound connections. Ideally, I'd like to know the internal IP address, the external IP address, and the remote port used. I don't need a lot of ...
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1answer
923 views

Dual ISP Inbound NAT — Asymmetric routing

routing question here. In a dual ISP scenario is there way to use both external IPs and nat them to a web server in a higher security level? The issue I am running into is on the return path for ...
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2answers
809 views

Cisco ASA/PIX Can't Access Internal Resources Behind NAT [duplicate]

My servers are natted 1:1 as follows, i.i.i.i maps to x.x.x.x where i is an internal IP, and x is the external IP. From an i.i.i.i machine, I cannot access x.x.x.x resources... What special ...
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1answer
427 views

Enable Cisco ASA as an SSH Tunneling

I am trying to utilize my Cisco ASA as a SSH Tunnel. I've configured this before when using a Linux server as the SSH target, however I cannot seem to get it to work with the ASA. I have configured ...
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1answer
363 views

Setup IPsec VPN using ASA5505 behind Juniper SSG5

I have been assigned to establish a Internet IPsecVPN connection between two sites using Cisco ASA5505 A site currently has following setup.(Same setup is expected in another site) Internet----->ADSL ...
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130 views

Cisco ASA: backup ISP connected to ASA for ASA access alone

What I'd like to do: Connect an interface to a separate ISP and let home user's VPN into the LAN via that interface, while normal web browsing traffic goes out the outside IF. My initial ...
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1answer
123 views

Is this a common/bug on this PPPoE setting for Cisco ASA 5505?

We have to change the way the firewall setup due to we've changed the internet provider. The way we setup we have ADSL modem and we have to do a full bridge mode and the firewall configuration has to ...
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1answer
41 views

Seeing odd (to me) packets in a network capture

This morning I connected a system to our switch connected to our ISP handoff in order to do some wiresharking. I had yet to set up any port mirrors, and confirmed that there were none in place. ...
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211 views

Cisco ASA, Windows Server 08, PPTP/GRE issues

I am at the end of my rope on this one. I am trying to simply forward pptp/gre through a Cisco ASA to my Windows server. Here is what I have done: Access Rules: OUTSIDE ...
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1answer
88 views

ASA 5505 - Outside IPs required for VPN Tunnel?

I've set up a Site-Site VPN and it seems the config is fine as the other site can establish the tunnel fine. The problem I have is that my side never tries to bring the tunnel up. Ping/telnet ...
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1answer
595 views

Cisco ASA 5510 SNMP config-change

I´m trying to set snmp trap when cisco asa 5510 is changed. I´m using this line: snmp-server host DMZ ZZ.YY.XX.5 community * snmp-server enable traps entity config-change fru-insert fru-remove But ...
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1answer
319 views

Cisco ASA 5510 : VPN split tunnel Strange behaviour

I work with a Cisco ASA 5510. I have enabled remote VPN connection with radius Authentication to two different internals networks: 10.1.0.0/16 10.10.0.0/16 from mobile VPN pool 192.168.111.0/24. ...
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401 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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1answer
83 views

Cannot access Cisco ASA-5505 ASDN

I just got my network up-and-running. I would like the ASDN for some of my minions to be able to make minor changes without the need to contact me. This said, I have tried to enable it, and access ...
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1answer
187 views

Source of RST packet on ASA 5510

In reference to previous posts such as Finding source of RST packet on ASA 5505 I am not seeing any answers about how to FIX the RST from being sent by ASA; I only see discussion of how to provide a ...
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434 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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224 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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1answer
186 views

Corrupt file copy Windows 2012 -> VPN -> Windows 2012

I've getting problems copying files from one Windows 2012 server to another via Cisco ASA5505 VPN. I've had a similar setup with Win2008 servers & never saw the problem (same ASA5505 this end) ...
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246 views

Can Telnet be used to test Direct Push is open “long enough”

I am getting the event below in the Eventlog regarding Direct Push for Activesync. If it matters we have a Cisco ASA and a Citrix Netscaler. Event 1040 MSExchange Activesync The average of ...
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86 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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2answers
1k views

Using a Cisco ASA 5505 to forward PXE (WDS) Requests

I have a Cisco ASA 5505 that uses around 5 NICS for different networks. Currently I'm using my ASA to route traffic as it's the only Cisco device I have capable of the small amount of routing ...
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1answer
726 views

How to NAT behind public IP on pFsense before IPSEC to Cisco ASA?

I have two networks: Local 192.168.1.0/24 and Remote 10.8.8.8/24. On the local network I have installed pFsense as gateway. On the remote network there is a Cisco ASA that I don't have control over. ...
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1answer
227 views

Add IP range to Cisco ASA 5505

I need to allow traffic through TCP/1494 and TCP/2598 (inbound & outbound) to IP range 10.1.25.1 to 10.1.25.254 within a Cisco ASA 5505. Can someone please help me with this? Under Cisco ADSM ...
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0answers
710 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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21 views

Making Cisco IPSEC IKE KEY public

I have some OSX users that connect to our Cisco ASA VPN using the built in OSX VPN client. To configure this client I have to provide the Cisco IKE key. I am wanting to know if this key is something I ...
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1answer
736 views

LACP : Cisco ASA 5515 & Switch ProCurve 2920

I've two ASAs 5515 connected in failover Active/Stand by (on Gi0/5) My two ASAs are connected to two Switch ProCurve 2920 to have HA if something happens. So I plug something like that (don't pay ...
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1answer
1k 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 ...
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1answer
155 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
166 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
220 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
344 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
277 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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1k 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
334 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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776 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 ...