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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19 views

ASA Configuration Issues Unsure If It's Related To NAT, Routing, or ACLs [on hold]

ASA Configuration Issues Good Day, I am having issues with my ASA configuration and have thus far been unlucky in determining a solution. I have a bunch of hosts in a DMZ and a couple of client nets ...
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20 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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139 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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42 views

Unable to Initiate a VPN tunnel using IKEv2

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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69 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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86 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
54 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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1answer
44 views

Cisco ASA rekeying

Good day I was hoping someone has seen this before, I have a ASA5520 that has a l2l tunnel to a Palo Alto firewall. Every 2 mins the the logs I see a rekey I have check our configuration and we have ...
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Cisco ASA 5525-X Input Current

In switches, like Cisco Catalyst 2960X-24TS-L, datasheet mention input power: 100 to 240 VAC, 1A to 0.5A. So, I assume input current = 1A@100VAC and 0.5A@240VAC or Cisco Catalyst 3850 + Power Supply ...
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1answer
92 views

Why does the Implicit Rule prevent traffic from passing?

I an testing traffic forwarding between different DMZ with different security levels. DMZ: interface GigabitEthernet0/1.351 vlan 351 nameif dmz security-level 10 ip address 10.100.20.1 255.255....
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23 views

Anyconnect Cisco 5505 VPN Group cannot Access Inside Network

Below is the Configuration to my Cisco ASA. I can connect to VPN but then trapped and cannot enter the inside network. ASA Version 9.2(4)27 ! hostname AwBTech-ASA domain-name awbtech enable password ...
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65 views

Cisco ASA 5508x, VLANs can't communicate

We're in the middle of moving to a more secure system, and the first step is to add this security appliance. Currently in place are two small quasi home-grade Cisco routers (rv260W and rv130). This ...
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189 views

Cisco ASA 5585X Internal-Data0/1 interface errors

I have noticed on Cisco ASA 5585 (SSP-20) interface error counter going up specially overrun but so far we haven't seen any production impact or issue, error rate is low so its not noticable but would ...
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1answer
44 views

Cisco ASA 5505- My subnet mask is different from Show Route

While I was troubleshooting a DNS issue on my 10.10.10.0/30 subnet, I noticed the Local (L) and Connected (C) has different values. I configured the 10.10.10.0 network to use 255.255.255.252 has the ...
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33 views

ASA 5505 cant access inside network from Anyconnect SSL Connection

So I have a ASA I can connect via SSL perfectly fine receiving internet.My issue is that I cannot ping any device on the network especially the inside network on my router. My topology is a ASA 5505 - ...
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39 views

Cisco ASA: Windows DHCP doesn't bind IP address after failover change active [closed]

Equipment and soft: Two Cisco ASA 5540, ASA ver. 9.1(7)32, active/standby failover DHCP server: Windows server 2016 Anyconnect VPN clients get IP addresses from DHCP servers. Everything works ...
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1answer
68 views

Traffic not send in IPsec with a Cisco ASA

I try to set up a site to site IPsec between an Ericsson router and a Cisco ASA, as shown below: My tunnel is UP and R1 seems to be working fine. However, my ASA does not forward traffic between ...
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158 views

Keep Cisco site-to-site tunnel up permanently

I have Cisco ASA site-to-site tunnel with remote and which i don't have control. I have following config: crypto ikev1 policy 10 authentication pre-share encryption aes hash sha group 2 ...
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1answer
67 views

Cisco ASA not passing traffic between two interface

I have Cisco 5506 with Security Plue License and following is my configuration. interface GigabitEthernet1/1 nameif inside security-level 100 ip address 10.0.10.1 255.255.255.0 ! interface ...
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60 views

Cisco ASA L2TP remote-access VPN with addresses assigned by DHCP

I have an ASA with a working Cisco VPN Client configuration set up. I am trying to phase out the Cisco VPN Client, initially in favour of L2TP. The Cisco Client policy has end-users fetch their ...
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1answer
34 views

How do I find out which NAT is getting hit?

I can see in packet captures that my packet's destination IP is getting translated. How do I find which NAT statement is responsible for the conversion if my device has over 200 NAT rules? I'm using ...
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55 views

ASA - communication between 2 tunnels

I have two IPSEC tunnels with an ASA in the middle Site A - 10.20.4.0 /24 (65.176.80.84) Site B - 192.168.142.0 /24 ASA - 10.99.206.0 /24 (95.12.22.33 Site A - 10.20.4.0 /24 can reach the ASA and ...
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76 views

ASA access-list to object group

I'm not too familar with the ASA, is there a way to make this ACL into an object group and be easier to maintain? access-list VPN-ALLOCATIONS extended permit esp 172.16.1.128 255.255.255.252 172.16....
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23 views

Issue with Connectivity Over Next Hop Gateway (ASA) to Point to Point

I'm having an issue routing traffic from a backup gateway on a different ISP, to our main gateway, which uses a point to point connection to a data center, with the majority of our infrastructure. ...
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1answer
32 views

Subinterface on Cisco ASA 5550 does not work with VLAN on HP ProCurve

I created subinterface on Cisco ASA 5550 (ver. 9.7.1): interface GigabitEthernet1/2.810 vlan 810 nameif dmz810 security-level 50 ip address 172.29.12.33 255.255.255.248 And VLAN 810 on HP ...
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24 views

Why can I not see the default gateway when connecting to ASA through AnyConnect?

I've configured an ASA as an AnyConnect server. The IP address pool that'll be assigned to the connecting hosts is from 192.168.10.1-192.168.10.10. Now when I establish a remote access connection to ...
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1answer
335 views

Cannot get port-forward working on ASA 5505: “Drop-reason: (acl-drop) Flow is denied by configured rule”

Months ago I made this post here on NE, but I still for the life of me just cannot figure our port-forwarding on my ASA 5505. I have since started over and am now trying the DMZ port instead, but ...
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137 views

How to view/backup the 'ASA' config from a Firepower device?

We have some Cisco Firepower firewalls which we administer and generally in the past for ASA's we will review the config files locally on our machine, simply because it's easier than viewing it via a ...
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47 views

Why can't I ping to the outside interface of my ASA

Below is the output of packet tracer. I have simulated a ping packet from 10.106.51.203 to 10.106.51.200. 'mgmt' is supposed to be the outside interface. Also, why is output-interface in the result ...
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80 views

General issues with access to and from DMZ on Cisco ASA 5520

I just got my software upgraded from v8.2(x) to v.9.1(7), but I have some general issues with access to and from my DMZ: No internet access from DMZ No access to web or mail server from outside to ...
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195 views

Azure VPN vs. Cisco ASA

I have a Cisco 5516-x with v9.7(1)21 on my end and I am trying to create a working VPN to Azure. It looks to me like phase1 goes well but phase2 fails due to policy mismatch. Any suggestions for how ...
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102 views

Restrict VTY SSH access to only MGMT VLAN and loopback

For the sake of the fact that i'm not allowed to share actual configuration, every posted config below is made up or altered. We have more than 250 locations spread over our country. All locations ...
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200 views

Creating an overlay network using ASA and VXLAN over IP MPLS

I need to extend an existing VLAN from a branch LAN to DC. As a matter of fact I noticed that Cisco ASA 5500X have VXLAN capabilities. I am relatively new to VXLAN and I need some help to find the ...
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1answer
68 views

No access to mail server in DMZ [closed]

I have an Cisco asa 5520 8.2(1) firewall that I can't get to give me access to my mail server in DMZ. Here's my configuration: Object groups object-group network WEB_SERVERS network-object host 172....
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1answer
57 views

ASA Denying PAT'd IP

ASA keeps denying TCP to PAT'd DMZ IP. Could someone have a look at this, i have mostly been using ASDM. same-security-traffic permit intra-interface object network expressway-e host 192.168.5....
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342 views

ASA5515 - QM FSM error / failed to establish L2L SA when transferring large files

I was hoping someone could help me with a problem I’m having - a little clarification or advice would be much appreciated: The Issue: I have set a new backup server and I want to back up data from ...
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1answer
131 views

Cisco ASA Dial in VPN access Devices on Site-to-Site VPN

Questions 1) What do I need to run to get this to allow the on-site to talk to the dial-in network clients E.G ping from 10.101.1.7 to 10.101.2.1? 2) What do I need to run to get the dial-in network ...
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1answer
270 views

Urgent: how to configure different interface using same ip subnet in asa 5506?

Scenario is in old asa firewall 5505 I have switch port access vlan command in different interface. Just like below: interface Ethernet0/0 ! interface Ethernet0/1 switchport access vlan 2 ! ...
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30 views

Cisco ASA 5506 log collection after power cycle

Today we had to power cycle our Cisco ASA 5506 , since I could not connect to it through any of the connected interfaces. How can I get the logs to see what failed or what was the state of the ASA ...
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550 views

Cisco ASA logging to remote syslog question

I have Cisco ASA and i have setup graylog logging server and i am seeing no logs coming on remote syslog so this is what i did.. Current config: asa-fw1-010101-2-7/pri/act(config)# show run logging ...
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1answer
107 views

Can not access PC(inside) from router(outside) through ASA 5512

I have a serious concern that I can not solve. Thank you for helping me. I have a network with a configuration ASA 5512 (Inside, outside, DMZ) that works well. Now I would like to use the graphical ...
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1answer
227 views

DHCP OFFER not reaching client through several routers and ASA [closed]

So recently we received notification from one of our remote branches that certain PCs were unable to connect to the internet. We determined that DHCP was the cause. The basic L3 path between the ...
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2answers
80 views

ASA5520 to 2960X setup

I am setting up a new remote office setup with an ASA5520 to a Cisco 2960X switch. I subinterfaced the the ASA inside to allow the Wired and Wireless subnets. On the 2960 I created a Vlan 100 for the ...
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76 views

Cisco anyconnect 4.6 client disable some security feature

Last 3 year we are using cisco anyconnect with client version 4.5 and everything is good but recently i have install client 4.6 which has tons of additional feature which i am not interested and want ...
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1answer
268 views

Cisco ASA site to site with Forcepoint stonesoft NGFW

I am try to establish a site to site VPN between Cisco ASA and Forcepoint Stonesoft NGFW, i have support that assured everything is set up correct from Forcepoint NGFW side but i have trouble from ...
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1answer
1k views

Just can't get ASDM to run

I've spent two weekends googling and trying every suggestion I can find, but still, when I try to connect to my ASA, the launcher accepts my credentials, the "updating software" bar goes to 20%, and ...
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1answer
132 views

Missing crypto options on Cisco 5540 firewall?

ASA 5540 VPN Premium license. Version 9.1(7) asa01(config)# crypto key generate rsa label sslvpnkey ^ ...
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363 views

Can ping default gateway, but no internet

I have a Cisco ASA 5506-X with following configuration: ! interface GigabitEthernet1/1 nameif outside security-level 0 ip address *.*.114.179 255.255.255.240 ! interface GigabitEthernet1/2 ...
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1answer
741 views

Port-forwarding rule on Cisco ASA not working - “Drop-reason: (acl-drop) Flow is denied by configured rule”

New to Cisco, so I hope this question isn't too noobish. I am trying to setup a port-forwarding rule to allow "any" SSL traffic in from "Outside" to the web server on my LAN. The problem is apparently ...
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1answer
143 views

ASDM access broken on Cisco ASA 5505 - NAT rule gone wrong

I was trying to setup NAT and Access Rules and apparently did something very wrong because now I cannot get into ASDM at all. I've tried multiple machines and all of them time out. Also the landing ...