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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13 views

DATA & VOICE VLAN ROUTING BETWEEN 2 ROUTERS [closed]

Good Afternoon All- I would appreciate a little help with a current issue I am facing... I can ping all Network Segments, all Routers, all Switches, and all Servers on the network. PROBLEM IS: I CAN'T ...
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Concurrent site-to-site VPN tunnels through dual ISPs (with 2 couples of Cisco ASA) between same devices

I currently have a simple site-to-site VPN setup, connecting machines from site 1 to site 2 through 1 ISP, using a set of ASA 5506X. All is good. I'd like to "double" that setup for ...
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Cisco ASA drops packets which match crypto acl. What the reason? [closed]

I've some problem with IPSEC tunnel between Cisco ASA and Fortigate. For some reason, packet 10.12.4.0/12 to 192.168.0.0/16 drops by ASA, despite the fact 192.168.0.0/16 is present in crypto ACL. Can ...
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102 views

Cisco site-to-site VPN tunnel Failed to find a matching policy [closed]

I have PaloAlto (PA) and Cisco ASA 5585-X located on two different sites, trying to configure IPsec VPN tunnel. [PA]-----------(internet)-----------[Cisco ASA] If i ping from Cisco ASA side lan to PA ...
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1answer
50 views

VPN with Cisco virtual ASA on Azure not routing correctly

I've deployed a Cisco virtual ASA in Azure to use as a VPN server. For simplicity, I'm using just the management interface as the lan for the time being (10.2.0.4 is the interface). I want to use the ...
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25 views

Does modifying a ASA tunnel create a downtime?

I inherited a cisco ASA, I never really had to manage one before. But, I need to modify an existing tunnel to add IP addresses to both the local and remote traffic selector, specifically there are ...
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1answer
104 views

Can a server on the other end of a site-to-site vpn be exposed (NATd) to a public IP on an ASA

AWS DataCenter ----------- site-to-site VPN ------------ http server <=======================> Cisco ASA public address 10.0.1.59:443 ...
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Cisco FTD DHCP option codes

I have a Cisco ASA 5515-X that is currently running ASA with the FirePOWER module, which cannot sent option code 60 in the DHCP request. My ISP requires me to send this. Does anyone have FTD 6.4 (or ...
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1answer
44 views

Setup NAT Rule for service group

We have a Cisco ASA 5515 and I am having trouble setting up the proper NAT rule to route a group of services from a public ip (which is already routing some single ports) to an internal ip. I am ...
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20 views

How to configure ZPF with Tunnel?

I am trying to configure ZPF in a Cisco 4331 router in Packet Tracer. I have a tunnel interface for GRE tunnel in this router. But I am not being able to assign this tunnel interface to any zone due ...
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Ikev2 ipsec issue between Asa and sonicwall (issue resolved) but need understanding

Really need your help Need help in understanding an issue faced when creating a tunnel between Asa and Sonicwall (Issue got resolved) still need help to understand. SonicWall: Phase 1 Ikev2 Encryption ...
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33 views

Single public IP routed to multiple internal IPs by port [closed]

We have a network setup with a Cisco ASA 5515,IPS firewall running ASA 9.8(4)29 and ASDM 7.12(2). I have several rules setup to route public ip addresses and specific ports to specific internal hosts....
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ASA ping outside to inside private ip's?

i am new asa and cisco as well , what i am trying to do to perform this lab , only 1 issue is there , i need help in it, i can ping from pc0 to router0 in other way I can ping inside to outside , but ...
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66 views

Users after login are redirected to the ASA AnyConnect download page rather than connecting to the VPN

Several users after logging in are redirected to the ASA AnyConnect download section instead of connecting to the VPN. We try to log in via Web or AnyConnect application by using SAML Identity ...
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Cisco ASA 5506-X: clients periodically lose Internet access

Clients periodically lose Internet access, but I can connect to Cisco ASA and manage it. If i am ping sites, it works: Minsk# ping yandex.ru Type escape sequence to abort. Sending 5, 100-byte ICMP ...
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1answer
83 views

Cisco ASA 5516-X Wont communicate on inside interface at all. No packets

I'm configuring a brand new ASA and the Firewall refuses to communicate on my inside interface. No matter the traffic type, its denied by implicit deny every time. I was hoping to get some feedback/...
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1answer
40 views

Site to site ASA Routing question

I am doing a lab about DMVPN and Site to Site ASA integration. There is no problem in the DMVPN. However I have problem in establishing route from Site to Site ASA to DMVPN. The router on the left is ...
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131 views

Cisco ASA 5585-x Failover Virtual MAC address

I have configured Cisco ASA 5585-x with Active/Standby mode, cisco best practice saying you should use Virtual MAC address on interface to avoid traffic disruption when you do failover. now question ...
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24 views

Cisco ASA NSEL Template IDs 256-271: Is there a list of names and functions? [closed]

I am trying to interpret Cisco ASA NSEL data, which I understand is similar to Netflow v9 but uses biflow records along with static data templates. I see data templates 256-271 in template frames, and ...
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24 views

Windows L2TP VPN issues when accessing Site to Site VPN on Cisco 5506

We have two Site to Site VPNs and Remote Access VPN configured. Using the builtin IPsec client on OSX all subnets are accessible however when using L2TP built in client on Windows 10 ICMP traffic ...
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2answers
93 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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43 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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1answer
40 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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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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529 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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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
32 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
99 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
71 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
729 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
124 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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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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28 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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645 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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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
84 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
381 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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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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240 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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157 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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894 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
89 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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52 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
439 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
56 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
155 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
40 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
71 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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2answers
237 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
680 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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