Questions tagged [cisco-asa]

Cisco's Adaptive Security Appliance (ASA) which combines functionality from the PIX, VPN 3000 series and Intrusion Prevention Systems (IPS) product lines

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2answers
35 views

Connecting an ASA behind an AT&T router/gateway

I am attempting to setup a temporary network for a company in transition that is moving into a new building. They just bought and had installed an AT&T business internet connection. They have a ...
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7 views

Cisco AnyConnect and MAAS360 on iPads [closed]

We have a group of iPads that we are trying to connect to VPN but also use MAAS360. They have given me a snippet of XML that they want me to use for the VPN profile, but I am not sure how to utilize ...
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1answer
30 views

Much ARP requests from Cisco ASA 5510

An employee of the ISP writes to me that a lot of ARP requests from us go to them. ISP equipment log: 07:47:27.732242 ARP, Request who-has AAA.BBB.CCC.213 tell AAA.BBB.CCC.53, length 46 07:47:27....
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23 views

What is method to switch group-policy on a tunnel-group upon user login?

We have ASA units that have tunnel-groups that have a particular group-policy defined via default-group-policy statement. This initial group-policy ("NOACCESS") is one that prevents any ...
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2answers
69 views

What device manages VLANs?

I understand what a VLAN is and what purpose it serves. However, I'm having a difficult time understanding where VLANs orginate. Specifically, I know CISCO firewalls, switches, and routers all deal ...
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9 views

Site to Site VPN between Cisco ASA and Aruba Virtual Gateway

We have hosted an Aruba Virtual Gateway on AWS. All the configurations are done as per the documentation of Aruba VPNC. Through AWS security policies, UDP 4500 is open on AWS side. We want to ...
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3answers
313 views

What is the difference between an ASA firewall and UTM firewall?

How do ASA firewalls and UTM perimeter firewalls differ?
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49 views

Cisco ASA 5506: Adding two public IP's that are on the same subnet for the primary and backup interface

Im programming a Cisco ASA 5506. I need to add a primary (public) IP that is x.x.x.82/24 and a backup IP that is x.x.x.81/24. The ASA wont allow me to do this as it gives me an error: "the IP ...
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1answer
27 views

Cisco ASA: What is the best way to restrict access of nodes in the same network to each other? [closed]

There is a network with five nodes on one interface. These nodes should not be accessible to each other. An option is to use an ACL, but is there another way?
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3answers
73 views

Static NAT and PAT

I have two private IP addresses, want to make them NAT to 203.0.113.0/2 public IP address. WAY 1 : Static NAT (2 ip addresses NATted to one by manually) WAY 2 : PAT (Router gives port number ...
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3answers
54 views

Cisco ASA Port Forwarding

I am trying to set up port forwarding on my Cisco ASA security appliance. I have tried several tutorials and can not seem to get it to work. The ASA is set up behind my internet providers gateway. ...
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1answer
104 views

Cisco anyconnect VPN router specific public IP via tunnel

I have fully functional cisco Anyconnect VPN running on Cisco ASA5585-X and today i got requirement that there are some remote public sites we need to whitelist our VPN public IP to access them over ...
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1answer
46 views

VLAN Subinterface Removal - CISCO ASA

The below are the configuration of the subinterfaces in Cisco ASA firewall and currently sub-interface 0/1.1 is only passing traffic and I need to remove 0/1.2 configuration from here as it is unused. ...
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457 views

IKEv2 tunnel between ASA and Mikrotik

Trying to move from pfSense to Mikrotik for an office router, and the only stumbling block is maintaining a site-to-site IPSEC tunnel between it and our Cisco ASA. The settings all look correct to me, ...
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20 views

How can I get a CRL automatically on cisco ASA? Do I have to configure OCSP?

I need to get a CRL on cisco ASA without requesting a crl manually. Do I have to configure OSCP, or is there anything else to get a crl automatically?
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26 views

Is it possible management IP address of ASA don't move to the new active ASA when failover happen?

I created a failover configuration on two ASA5545s. I set up, for example, 10.10.10.1 on the management interface of the primary ASA and 10.10.10.2 on the secondary ASA. I know when a failoever happen,...
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270 views

Cisco ASA and missing logs to syslog server

I would like to have some help with sending syslogs from a Cisco ASA 5555-X to a syslog server, graylog 3.2.1. When running the following settings I could see a lot of information in the buffer with ...
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41 views

Advanced split tunnel question

We are in a work from home state, and I am looking at optimizing VPN without sacrificing security. We are not using split tunnel. We have Direct Access on most clients - it is slow, and have moved ...
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1answer
31 views

Cisco ASA NAT/PAT Multiple WAN IPs

I'm trying to setup a NAT / PAT in ASA 5520, I'm able to do so very well when the Public IP I want translated to Internal host is configured on the Outside. Question is the ISP provided 1.1.1.1/30 ...
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1answer
159 views

Cisco ASA IPSec Site-to-Site VPN Rx Bytes not increasing

I have IPsec Site-to-Site VPN from my ASA to customer. After customer complain about VPN down, I reset the tunnel now I can see Login time duration 12h:34m Byte TX is 543240 and Byte Rx is 0. What ...
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1answer
34 views

Port Forwarding on Cisco ASA 5510

I have an EDI server behind a Cisco ASA 5510 version 8.2(1). Currently our EDI server sends over documents to our trading partners and they will look for our URL in this format http://1.1.1.1:1000. ...
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1answer
103 views

IKEV2 between ASA and Router problem

I am trying to configure a ikev2 vpn between asa and router using tunnel interface. I have encountered the problem of it not even establishing the connection. There is no problem in the connectivity ...
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60 views

Cisco ASA static nat one-to-many from interface address to object-group

Syntactically, the following set of statements is valid (at least as of 8.3): interface Ethernet0/0 nameif OUTSIDE ip address 192.0.2.1 255.255.255.0 interface Ethernet0/1 nameif INSIDE ip ...
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1answer
320 views

Slow(er) network speed due to possible VPN configuration issue?

CONTEXT I have an VPN connection between 2 ASA-5515's set up between our main site and new back up site. This is to replace our old backup site we have which is currently connected between an ASA-...
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1answer
41 views

ASA shows Action:Drop on packet-tracer, no reason or phase

I am doing a very simple lab with one asa and two computers. PC1 connected to dms PC2 connected to outside : Hardware: ASA5506, 4096 MB RAM, CPU Atom C2000 series 1250 MHz, 1 CPU (4 cores) : ASA ...
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51 views

Network transfer speed slow, possible VPN configuration issue? [closed]

CONTEXT I have an VPN connection between 2 ASA-5515's set up between our main site and new back up site. This is to replace our old backup site we have which is currently connected between an ASA-...
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1answer
263 views

Traffic redirection and failover of ASA with multiple ISPs [closed]

I have two ISP connections on two Cisco 3900 routers, in front of Cisco asa 5525 x with firepower services firewall. I want to configure the firewall to redirect traffic based on the source address ...
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1answer
47 views

Swapping to new ASA hardware - same configuration - what are the pitfalls?

I am replacing some old ASA 5515 with some new ASA 5516. We are going from a set up whereby we managed the boxes to one where a 3rd party is now managing them. I am currently going through the ...
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1answer
110 views

Cisco ASA5585-X replace SSP-20 with SSP-60

We have cisco ASA5585-X with SSP-20 running in production and we need more power so planning to replace SSP-20 with SSP-60 module but not sure we can just hot swap with SSP-20? Does ASA5585-X support ...
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1answer
39 views

IPSec does not work via backup interface

Cisco ASA 5506-X connected to two ISP - main and standby channel, interfaces outside_1 and outside_2. IPSec works via outside_1, but does not work via outside_2, if outside_1 down. At this moment ...
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1answer
53 views

Cisco 5505 ASA firewall Ipsec vpn- Can connect two outside different public ip to two different local subnets

I only get one IPSEC vpn connection up but not the other. Link to access configs on Google: https://drive.google.com/open?id=1yB_yIWvJ51A0UeNbkAEiTH9YMIEipqy_ profile1- outside interface - 66.x.x.x ...
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1answer
123 views

Cisco ASA and a Router?

I'm trying to understand networking and when looking at the different routers, firewalls and switches, I came across Cisco ASA which many use for firewall and routing abilities, so if you use an ASA ...
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3answers
500 views

Cisco ASA 5512X does not allow connections across VLANs to internet

First time doing a network, I'm a software guy normally. I am setting up a network to share and internet connections to multiple properties. The goal is to segment each property onto its own VLAN. I ...
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1answer
180 views

Can I set the AnyConnect group policy from users source IP?

Is it possible to configure a Group Policy to be used based on the source IP of the AnyConnect user? I want users connecting from a specific location (IP address) to get a specific Group policy. ...
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1answer
333 views

DNS expire-entry-timer has negative affect on ASA using FQDN ACL

I have a Cisco ASA using FQDN egress ACLs for a host that changes IP addresses every 10 mins (Apple APNS IP address pool). As soon as the TTL expires for the addresses, my internal server requests a ...
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1answer
155 views

Arpping responding with Cisco ASA interface mac address and mac address of machine

For some reason our Cisco is responding to arp requests between machines on the same switch. It's not breaking anything but it is slowing initial connections. I've been making a lot of changes on the ...
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2answers
450 views

Cisco ASA IKE Receiver: Runt ISAKMP packet discarded on Port 500

I have lots of ikev1 tunnel running on our production Cisco ASA5585 and today i have configured ikev2 tunnel for one of our new customer and i have started seeing following error, and not sure what is ...
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72 views

Cisco ASA Security Warning: Untrusted server cert after asa crash and reload

We have Cisco ASA 5505 working VPN anyconnect and it's been almost 1 year no issue, but last week it got crashed and reboot itself and after that we found it started throwing warning like following: ...
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1answer
189 views

Cisco ASA looping broadcast packet

I have small office where running cisco ASA ASA5506 and version 9.4(1) and it's also configured for IPsec VPN tunnel, My LAN subnet is 10.1.1.0/24 So i have found very interesting things in LAN ...
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164 views

Static PAT using Cisco ASA 5506 in cisco packet tracer [closed]

ciscoasa(config)#interface GigabitEthernet 1/3 ciscoasa(config-if)#nameif inside1 INFO: Security level for "inside1" set to 0 by default. ciscoasa(config-if)#security-level 100 ciscoasa(config-if)#no ...
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1answer
245 views

delete object network in cisco ASA with packet tracert

I used 5506 as firewall and I am trying to delete object network I created and it gives error as ERROR: unable to delete the object configuration. object (inside-net-obj) is being used. commands I ...
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1answer
95 views

ASA ISP limit of ISP Speed

I've got configured ASA with two ISP. First is main ISP and second for backup. Is possible to set on conf of ASA if the speed of main ISP will be at low bandwith, ASA will active a backup ISP?
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727 views

Cisco ASA IPsec tunnel QM FSM error

I am setting up Cisco 5585 ASA for IPsec tunnel with one of cloud company. we already have lots of tunnel for various cloud provider and life if good but recently this tunnel giving me hard time to ...
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1answer
281 views

Which interfaces do I need to configure to change MTU of Cisco Site-to-Site VPN

I have a number of Site-to-Site VPN tunnels in my network configurations. They are configured using Cisco ASA devices. To resolve some performance issues I am trying to change the MTU for traffic ...
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1answer
453 views

Cisco ASA failover monitor-interface policy

I have Cisco ASA 5585 and it has 10G interface in port channel where i configured multiple vlan sub-interface, is it worth to monitor every single sub-interface for failover policy or just monitor ...
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1answer
169 views

Cisco ASA 5506: The switching between the two providers by using Route-Map, creation backup channel

We have two providers. I want to make the second provider a backup channel. This configuration is most often offered: object network internal-pat-primary_obj nat (inside,outside1) dynamic interface ...
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0answers
312 views

Unable to Initiate a VPN tunnel using IKEv2 [closed]

I'm having an issue with a VPN tuunel between my Firewall (ASA 5516-X) and a third party firewall so I can't check the config in the second firewall. So I decide to debug my firewall and I realized ...
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2answers
2k views

Configuring Cisco ASA DAP policies from CLI! (Automating bulk task)

So I have given a task to add 1000s of DAP policies after main DAP file crashed and backup is not available due to unfortunate reasons. There is predefined way of doing it through ASDM which is very ...
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1answer
594 views

Unable to use HTTPS Managment “API” on Cisco ASA 9.12

After upgrading a Cisco ASA to code version 9.12(1)3, I am unable to reach the HTTPS management interface, which we use for many automation tools. Example curl that is functional in prior code (9.8 ...
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1answer
340 views

Meraki in Passthrough mode behind ASA

I am having trouble getting bidirectional traffic through a Meraki box behind a ASA 5508-X. I can see requests from the client VPN going from a client device to a server on our LAN, the server ...

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