Hello, I'm new to Networking and Firewalls. But I have what I hope is an easy question to answer. 1. I currently have a Comcast Business Class Gateway, Cisco 2100 Series WLAN Controller and a Cisco ASA 5505 all connected together to supply LAN and W...
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)
(9,528) -
Cisco Bugs
(32) -
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 Device Management (FDM)
(7) -
Cisco Secure Firewall Management Center (FMC)
(33) -
Cisco Secure Firewall Threat Defense (FTD)
(53) -
Cisco Security Cloud Control
(2) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(17) -
CISCO START ANZ
(1) -
Cisco Threat Response
(1) -
Cisco Vulnerability Management
(43) -
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)
(26) -
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
(6,570) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
ISE
(1) -
LAN Switching
(7) -
License
(321) -
MPLS
(1) -
Multicloud Defense
(2) -
Network Management
(91) -
Network Security
(2) -
Networking
(1) -
NFVIS
(1) -
NGFW Firewalls
(37,559) -
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
(628) -
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
(42) -
WAN
(7) -
Web Security
(5) -
Webex Teams
(1) -
Wired
(3) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
I setup a FTP Server and i can connect from the inside fine but from the outside i can not connect in passive mode. I can in regular ftp or ssh. Here is the log from filezillaStatus: Resolving address of domain.comStatus: Connecting...
Resolved! Traffic inspection best practices
Since the ASA, by default, has a global inspection policy enabled that uses the default-inspection-traffic class-map, what is the best way to apply additional policies on the system while retaining this global policy?Let's say I want the system to ta...
According to Cisco dumentation (http://www.cisco.com/en/US/docs/security/asa/asa81/config/guide/mpc.html), the ASA is equipped with two default class-mapsclass-map inspection_default match default-inspection-trafficandclass-map class-default match an...
Resolved! issue logging into sensor (screenshot)
I just recently took over here and was trying to gain access to the two sensors we have in the environment. I was able to log into one, but when I tried to login to the second sensor, it gave me a strange error (see screenshot). Im using the Cisco ...
Resolved! ASA5505 icmp denied for inside interface
I have ASA5505 configured with internal network as 192.168.15.0 and default gateway 192.168.15.1From the inside network, i'm able to access internet and able to ping all website (enabled ping). and all internel network devices can ping each other...
hi,from internet client usint outlook is unable to connect on 465 port . i opened port on firewall over a public ip on outside interface. does any body have idea to fix this issue.regardsrajat
Hi.I have a ASA 5510 with one external interface (eth0) and one internal interface (eth1) with 4 VLAN interfaces 'attached' to eth1.I have external services published on VLAN 2, but are unable to reach these services (i.e webmail.domain.com) from the...
Resolved! PAT ASA 5520
Hi guys,I have to configure a Cisco ASA 5520. The goal is to forward the traffic arriving to the port 400 of the OUTSIDE interface to the port 22 of a server behind the INTERNAL interface (Ip 192.168.1.1). So far quite easy... at least on every firew...
Dear All, Today i received FWSM from cisco (RMA), I need to configure it as standby unit for existing FWSM active/standby setup.IOS on RMAed FWSM is 2.3.4 and cisco VSS supports FWSM IOS 4.0.4 and later.My issue is, I cannot access FWSM...
All,I suspect that I am experiencing performance issues related to my firewall zone configuration AND/OR the inspection being done on packets. With that in mind, I have two basic questions based on my attached configuration:1.) In looking at my con...
Resolved! Easy VPN
Dears,Diagram,Branch LAN | | R1----------------------R2---------------------R3I am trying to establish a VPN connection from Branch LAN (R1) to R2 acting as a Easy VPN server, R1 is doing PAT for the branch users to go on the internet and for accessi...
Hello!I have the following question:SSL certificates are going to expire soon on my NAC Mgr, Srv and NGS. So after I'll generate new CSRs will the existing certficates still be valid and used?All systems are in production, and I don't have any testin...
Gents:I believe I have a signature worked out for the nasty PHP-CGI bug. (CVE-2012-1823)The vulnerability is executed by using arguments in the URL of PHP scripts. (Example: http://www.facebook.com/?-s would show you the source code if it was ...
Im working on configureing an SSM40 on a 5520. I want all traffic entering and leaving the network to be scanned before being passed to the ASA. My question is when Im setting the sensor up under the traffic allocation tabdose selecting the Global po...
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 |
|---|---|---|
| 08-29-2025 08:17 AM | ||
| 07-16-2025 04:21 AM | ||
| 07-06-2025 01:40 PM | ||
| 07-04-2025 01:59 AM | ||
| 06-19-2025 07:32 AM |
New solutions
Top Solution Authors
| User | Count |
|---|---|
| 7 | |
| 6 | |
| 3 | |
| 1 | |
| 1 |
