ASA 5520 Logs are flooded with multiple Deny TCP entries on interface inside. From internal user IPs to unknown outside public IPs: Deny TCP (no connection) from 172.26.x.x/63422 to 216.58.216.98/443 flags RST ACK on interface insideDeny TCP (no co...
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Forum Posts
Hi All, Is there a difference in what gets capture when using CLI versus captures run on the ASDM. If so which, would provide greater/ more precise detail on the traffic being captured. Thank uDeena
Resolved! IPS module for Cisco 3925 router?
Hi, To be HIPAA compliant our company needs to have an IPS device. I was looking into it and I came across this router module (See link below). We have about 200 users behind the router and we have 2 branch offices with a similar setup. My concerns ...
Hello,i need my asa DHCP server not to pass default router ip address. I didn't configure any option 3 but the asa passes it's interface address as default router.Here is my configuration: PV-TEST-ASA# sh run dhcpddhcpd option 121 hex 0d0ad80ae400011...
Hi guys, Does the Cisco ASA service module configured in multicontext (Virtual Context) mode support dynamic routing? Thanks Frank
Is it possible to create an ACL in AAA Rules for a Active Directory Group as I can't get it to work.What I am trying to do is prompt for authenication when a user tries to access HTTPI've linked the ASA5505 to Active Directory with the AD-Agent sofwa...
This morning my site had our primary DNS go down, we have 3 DNS servers in the DNS settings tab on all our nics, we have 5 subnets associated to our site. Now when our primary DNS went down we here at our main site were still able to resolve both int...
Hello, we have a firewall with a few interfaces. there is a basic nat setup from inside to outside for internet. We are going to be routing a public block through this firewall for internet. The reason is there is a content filter appliance inline fo...
Hello all, Recently, i have installed ASA-5512x. Internal users (LAN) are able to browse different web sites. However, when executing ping to any of these websites they get the "Request Timed out" response.I guess there is something wrong on the ASA...
Resolved! Migrate ASA 5520 to 5525x
Hi We are replacing an ASA5520 with a 5525-x.ASA5520 version 8.4(1)ASA5525X version 9.2(2)4 Can anyone advise the best approach please. Ist it possible to backup the full config file on one using ASDM and restoring on the other. Thanks
Resolved! ASA VPN Public IPs
HiIf I have a public IP subnet of /24, when configuring remote access VPNS, can VPNs from different customers use different IP from the public range although only one IP is assigned to the outside interface, or do they all have to terminate on the ou...
Hi, We have two 5585s in cluster. We have been seeing very high number of cluster redirects under "show asp drop". They mainly increase only on one ASA. Around 10-20 redirects increase every second. Is it something to worry about? Does it mean traffi...
I want to know if firesight sourcefire ( IPS module)stateful or stateless ?
Resolved! Cisco ASA 5510 Denial of Service attack
Hi all, can someone explain to me if I'm correct in my assumption. We have a Cisco 5510 ASA (I know end of life) We have a 50Mb fiber pipe into our network and have come under some denial of service attacks we believe from disgruntled former employee...
Hi all,i want to licence IPS in CISCO ASA 5515-X , which method is better CLI or GUIi am new in Security so please advise the configurationthanks RegardsFahad
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| 08-26-2026 04:36 AM | ||
| 08-25-2026 06:22 PM | ||
| 08-24-2026 12:26 AM | ||
| 08-20-2026 05:54 AM | ||
| 08-19-2026 07:59 AM |
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