Hi, I have a device in my DMZ that needs to talk to my inside network server. I can't telnet using the ports that I have listed in my access list. Packet tracer shows that the TCP traffic is not blocked from the inside to the DMZ1. packet-tracer inp...
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
(9) -
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)
(9,533) -
Cisco Bugs
(33) -
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)
(3,165) -
Cisco Press Cafe
(1) -
Cisco Secure Firewall Device Management (FDM)
(7) -
Cisco Secure Firewall Management Center (FMC)
(38) -
Cisco Secure Firewall Threat Defense (FTD)
(60) -
Cisco Security Cloud Control
(2) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(18) -
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
(6,571) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
ISE
(1) -
LAN Switching
(7) -
License
(321) -
MPLS
(1) -
Multicloud Defense
(2) -
Network Management
(92) -
Network Security
(2) -
Networking
(1) -
NFVIS
(1) -
NGFW Firewalls
(37,559) -
NGIPS
(1,872) -
Online Tools and Resources
(1) -
Open Source and Open Standards
(1) -
Optical Networking
(3) -
Optics
(1) -
Other Automation Analytics Topics
(1) -
Other Collaboration Topics
(1) -
Other Community Feedback
(5) -
Other Firewalls
(1) -
Other IP Telephony
(1) -
Other NAC
(18) -
Other Network
(1) -
Other Network Security Topics
(10,772) -
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
(629) -
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
(25) -
VPN and AnyConnect
(1) -
Vulnerability Management
(42) -
WAN
(7) -
Web Security
(5) -
Webex Teams
(1) -
Wired
(3) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
Hi We can define ssh version 2 at router or switch with command ip ssh version 2. but we also can see Openssh 7 that people talk about. Is there any relation between ip ssh version 2 and Openssh 7? Thank you!
interface outside: Static PAT, Static NATnat (any,outside) source static NAT-Private NAT-Publicobject network PAT-Privatenat (inside,outside) static interfaceinterface inside: with Dynamic PATobject network INSIDE-NETnat (inside,outside) dynamic inte...
I'm working with Ansible 2.9 and when I try to run Ad-Hoc commands or plays I get errors stating my ssh ansible -m ios_ping -a "dest=10.88.2.21" testboxesSSH password:ys2021_b2046r301_test.srf.local | FAILED! => {"changed": false,"msg": "Connection t...
Has anyone encountered an issue editing the Split-Tunnel ACL object after upgrading Azure Virtual FMC to 7.1? When I try to add a subnet to an exiting rule I get the following error when trying to save: "Index 0 out of bounds for length 0"
Hi All, I'm suffering form brain fade. I'm sure there is a setting for this on the FMC, but for the life of me I can't find it at the moment.It's running V7.0.1.Default is to block traffic, but we have an issue with Snort crapping out randomly and ex...
Resolved! SSL rewrite on ASA platform
Some questions about the latest ASAs out there. Client is getting ready to replace their aging Cisco firewalls (5525s, no FP) Is it possible to AnyConnect to new ASAs w/2FA and then redirect user's web session via an SSL rewrite to a backend server? ...
I'm looking at creating a restricted subnet. I want all nodes and devices on the subnet restricted from accessing each other. So for instance, node 1 can't speak to node 2 and so on. Is this possible?
Hi, I have to block internet navigation and windows update to several windows client, the problem is that they have a local CRM (in the same LAN). This CRM works on web and on login it has several components that goes on internet (like youtube or goo...
Hello everybody,a customer reported that AnyConnect users will be disconnected sporadicallyand will be prompted to login again but this time without success.When they retriy this he get a new VPN session.But the ASA consider the session still active...
Good evening, a simple question.Is there a match between ports (UDP-TCP) and applications in the FMC?In the case of a policy configuration I would like to use applications instead of ports but I am in the situation of not being able to find any appli...
Hi Friends, I need to recovery ISE CLI Password. I want to know following details1. While creating new CLI password can i use special character ?2. How to do the failover, which device failover need to execute the password recovery procedure ? Primar...
Resolved! Ping outside interface
Hi could some one look over my very basic config and give me a clue as to why i can't ping from an inside interface to the outside xlate per-session deny tcp any4 any4xlate per-session deny tcp any4 any6xlate per-session deny tcp any6 any4xlate per-s...
The ASA is acting flaky, and I noticed today the following in "show ver": FPGA UPGRADE Version : 2.4FPGA GOLDEN Version : unavailableROMMON Version : 1.1.14WARNING: Platform FPGA version is older than minimum recommended image.WARNING: Platform ROMMO...
We have Firepower 1010 NGFW desktop appliances running firmware version 6.6.1-91. Recently and for no obvious reason, we have lost the option to register with the EU CDO instance. It was there originally because that's how we set them up, but now the...
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 |
|---|---|
| 6 | |
| 4 | |
| 4 | |
| 1 | |
| 1 |
