Hi everyone,i am supporting ASA in client office.I am new to ASA world.Users mostly ask for to check if ASA is allowing specfic port or not.I do not know how can i check that.Is there any way that i can determine if ASA is blocking port or not?If ...
Network Security
Engage with peers and experts on network security topics such as Secure Firewall Threat Defense, Adaptive Security Appliance, Secure Firewall Management Center, and Security Cloud Control.
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for
- Cisco Community
- Technology and Support
- Security
- Network Security
Options
- Mark all as New
- Mark all as Read
- Float this item to the top
- Subscribe
- Bookmark
- Subscribe to RSS Feed
- Threaded format
- Linear Format
- Sort by Topic Start Date
Labels
-
AAA
(8) -
Access Control Server (ACS)
(6) -
Access List
(4) -
ACI
(10) -
Advanced Threats
(1) -
AMP for Endpoints
(1) -
AnyConnect
(3) -
APIs
(1) -
Appliances
(18) -
ASA
(1) -
ASR 1000 Series
(1) -
Branch Router
(2) -
Buying Recommendation
(85) -
Catalyst 2000
(1) -
Catalyst 3000
(2) -
Catalyst 4000
(1) -
Catalyst 6000
(1) -
Catalyst 8000
(1) -
Catalyst 9000
(2) -
Catalyst Switch
(2) -
Catalyst Wireless Controllers
(1) -
Cisco
(1) -
Cisco Adaptive Security Appliance (ASA)
(9,512) -
Cisco Bugs
(31) -
Cisco Cafe
(25) -
Cisco CLI Analyzer
(1) -
Cisco Cloud Services Router
(1) -
Cisco Defense Orchestrator (CDO)
(140) -
Cisco Firepower Device Manager (FDM)
(812) -
Cisco Firepower Management Center (FMC)
(2,909) -
Cisco Firepower Threat Defense (FTD)
(3,164) -
Cisco Press Cafe
(1) -
Cisco Secure Firewall Management Center (FMC)
(9) -
Cisco Secure Firewall Threat Defense (FTD)
(8) -
Cisco Security Cloud Control
(1) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(17) -
CISCO START ANZ
(1) -
Cisco Threat Response
(1) -
Cisco Vulnerability Management
(42) -
Cloud
(1) -
Cloud Security
(3) -
Community Bug or Issue
(1) -
Community Feedback Forum
(31) -
Community Ideas
(18) -
Compliance and Posture
(1) -
Crypto
(1) -
CSC Content with No Valid Community to Post
(1) -
CUBE
(1) -
CUCM
(1) -
Data Center Networking
(1) -
Device Admin
(13) -
EEM Scripting
(1) -
Emergency Responder
(1) -
Endpoint Security
(6) -
Enterprise Agreement
(1) -
Event Analysis
(258) -
FirePOWER
(1) -
Firepower Chassis Manager (FCM)
(2) -
Firepower Device Manager (FDM)
(16) -
Firepower Management Center (FMC)
(408) -
Firepower Threat Defense (FTD)
(221) -
Firewall Migration Tool (FMT)
(25) -
Firewalls
(1,171) -
FMC
(1) -
General
(2) -
Guest
(1) -
Identity Services Engine (ISE)
(9) -
IE3300
(1) -
Integrated Security
(8) -
Integrated Security Architecture
(1) -
Integrations
(3) -
Investigation
(2) -
iOS
(1) -
IPS and IDS
(6,567) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
ISE
(1) -
LAN Switching
(7) -
License
(319) -
MPLS
(1) -
Multicloud Defense
(2) -
Network Management
(90) -
Network Security
(2) -
Networking
(1) -
NFVIS
(1) -
NGFW Firewalls
(37,553) -
NGIPS
(1,872) -
Online Tools and Resources
(1) -
Optical Networking
(3) -
Optics
(1) -
Other Collaboration Topics
(1) -
Other Community Feedback
(4) -
Other Firewalls
(1) -
Other NAC
(18) -
Other Network
(1) -
Other Network Security Topics
(10,771) -
Other Networking
(8) -
Other Routers
(9) -
Other Routing
(24) -
Other Routing and Switching topics
(2) -
Other Security
(1) -
Other Security Topics
(18) -
Other Switches
(11) -
Other Switching
(4) -
Other VPN Topics
(1) -
Passive Identity
(1) -
Physical Security
(20) -
Policy and Access
(2) -
Prioritization
(2) -
Remote Access
(2) -
Room Endpoints
(1) -
Routing Protocols
(7) -
SD-WAN Security
(1) -
Secure Network Analytics
(1) -
Security
(3) -
Security Management
(625) -
Segmentation
(3) -
Service Providers
(1) -
Small Business Routers
(4) -
Small Business Security
(2) -
Sourcefire
(2) -
Support
(2) -
Threat Containment
(6) -
Threat Defense
(1) -
Unified Computing System (UCS)
(1) -
Voice Gateways
(1) -
VPN
(24) -
VPN and AnyConnect
(1) -
Vulnerability Management
(41) -
WAN
(7) -
Web Security
(5) -
Webex Teams
(1) -
Wired
(3) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
Hello,I have a problem with a firewall ASA 5505. I erased the flash via command line.Then there's what I did:Rebooting ....CISCO SYSTEMSEmbedded BIOS Version 1.0 (12) 13 08/28/08 15:50:37.45Low Memory: 632 KBHigh Memory: 251 MBPCI Device Table.Bus De...
I am trying to figure out how this works. I have an ISP device that connects to my 1841. ISP and fa0/0 hold the /30 WAN addresses. Fa0/1 hold one of the public IPs, lets say 1.1.1.1/29. Then the outside interface of the ASA holds 1.1.1.2/29. Now I ha...
Resolved! ASA Basics: v8.6 not passing traffic
Access-list ALL IP any anyAccess-list all ICMP any anyaccess-group ALL applied to all interfaces, in and outtraffic not passing throughfrom ASA ping external IPs work via some interfaces and not otherNeed your help to get the traffic through the ASA....
Hi All,i install ISE version : 1.1.1.268, I installed ISE on VMWare Version 5.1, in Installation process, ISE check the Network and NTP , but fail.and this step i skip, and then process installation is going normal until finish. after installation f...
Resolved! Red Dot w/Number on ASDM ICMP ACL
Just installed 7.1(2) and various ICMP ACL rules now have a Red Dot with the number 4 in them. Older version of ASDM (6.x) didn't display this. Before I start digging through logs I search the manual and didn't see any specific reference. "4" is so...
Resolved! New to Hardware Firewalls
Hi,Recently moved into the hardware firewall space and have a ASA 5510. Having some issues trying to get traffic through the box to my 4 dedicated servers. all the servers have static IP's and are connected to a private switch into one of the etherne...
Resolved! Nat Exempt Issue FWSM 4.1(12)
Hi,I am trying to use Nat exemption for our publicly routeable IP space (for a web server in this case) so that people from the outside can connect to it using its actual IP and it seen as coming from its actual IP. Running sh xlate shows that the p...
We are setting up an old office building as an offsite data center. The network cosists on a PIX 501 firewall and a 2811 router. I am attempting to setup a GRE tunnel over IPsec back to the main office. The main office consists of a PIX515, a 2821 ...
Resolved! ACL - What am I doing wrong?
No, I am not talking aout my knee....I have a 2621 router - old. but works well.Need to put in an ACL to limit the inbound SMTP traffic to be FROM a specific set of IP's, and deny all others.I have tried various combinations with no luck. Something ...
Hi.I am faced with a peculiar situation on my productin firewall. I would like to ask a question. Will cisco firewall allow the response coming from different MAC Address. I am not having any ACL w.r.t MAC.
Hi,We've been deploying an ISE solution (1.1.0-665 version) in one customer and we have one doubt regarding Posture Assessment/Remediation. We're trying to check AV installation and definitions and this check is working fine but things get a little b...
Hi,We are experiencing very intermittent issue with NATing. It happened twice now in two weeks. First time it lasted for about 10 minutes, second time I had to failover to satandby firewall. We have Cisco ASA 5510 with 4 IPSec VPN tunnels. Everything...
Hi guys.Can anyone point me in the right direction to setup ciscoworks/CSM to use AD authentication? Is this setup supported?We're currently running CSM 4.4.0.Thanks.
Resolved! ASA failover with different CSC module
Hi there,I would like to ask if the ASA failover/ sync is still working when the primary ASA has a CSC-SSM-20, the secondary a CSC-SSM-10?The ASA's are the same type/memory.Thanks,BorbertSent from Cisco Technical Support iPhone App
Learn, share, save
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide
Unanswered Topics
| Subject | Author | Posted |
|---|---|---|
| 07-16-2025 04:21 AM | ||
| 07-06-2025 01:40 PM | ||
| 07-04-2025 01:59 AM | ||
| 06-19-2025 07:32 AM | ||
| 06-17-2025 01:07 PM |
Top Solution Authors
| User | Count |
|---|---|
| 11 | |
| 6 | |
| 4 | |
| 3 | |
| 1 |
