I'm having what I would have thought was a simple NAT issue - where I'm trying to access an internal device on a specific port. I've tried with setting the tcp as either source or destination but without success. I also tried setting the nat within t...
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
(87) -
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)
(9,586) -
Cisco Bugs
(39) -
Cisco Cafe
(25) -
Cisco CLI Analyzer
(1) -
Cisco Cloud Services Router
(1) -
Cisco Defense Orchestrator (CDO)
(147) -
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)
(32) -
Cisco Secure Firewall Management Center (FMC)
(148) -
Cisco Secure Firewall Threat Defense (FTD)
(181) -
Cisco Security Cloud Control
(8) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(18) -
CISCO START ANZ
(1) -
Cisco Threat Response
(1) -
Cisco Vulnerability Management
(45) -
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
(14) -
EEM Scripting
(1) -
Emergency Responder
(1) -
Endpoint Security
(6) -
Enterprise Agreement
(1) -
Event Analysis
(263) -
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)
(32) -
Firewalls
(1,171) -
FMC
(1) -
General
(2) -
Guest
(1) -
Identity Services Engine (ISE)
(9) -
IE3300
(1) -
Integrated Security
(8) -
Integrated Security Architecture
(1) -
Integrations
(4) -
Investigation
(2) -
iOS
(1) -
IPS and IDS
(6,576) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
IPv6 Configuration
(1) -
ISE
(1) -
LAN Switching
(7) -
License
(322) -
MPLS
(1) -
Multicloud Defense
(3) -
Network Management
(92) -
Network Security
(2) -
Networking
(1) -
NFVIS
(1) -
NGFW Firewalls
(37,579) -
NGIPS
(1,874) -
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
(10,779) -
Other Networking
(9) -
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
(3) -
Remote Access
(2) -
Room Endpoints
(1) -
Routing Protocols
(8) -
SD-WAN Security
(1) -
Secure Network Analytics
(1) -
Security
(3) -
Security Management
(641) -
Segmentation
(3) -
Service Providers
(1) -
Small Business Routers
(4) -
Small Business Security
(2) -
Sourcefire
(2) -
Support
(2) -
Threat Containment
(6) -
Threat Defense
(1) -
Threat Grid
(1) -
Unified Computing System (UCS)
(1) -
Voice Gateways
(1) -
VPN
(24) -
VPN and AnyConnect
(1) -
Vulnerability Management
(43) -
WAN
(7) -
Web Security
(5) -
Webex Teams
(1) -
Wired
(3) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
Hi Team, We want to change the syslog forwarding port 514 to 516 in Cisco ASA firewall. Can we change that? If it is then, How? Because if we are changing it. It gives error "The port Number for UDP must be either 514 or between 1025 ...
Hi we have a ASA-5585 and the IPS show us a vulnerability SSH Protocol Version 1 Session Key. How We do to mitigate that?
Resolved! Firepower OS Version
I have asa5525-IPS firepower, how can I verify the OS version of firepower thru command line?
Resolved! No Nat on ASA Version 9.1(5)21
Hi Everyone, On ASA with two interfaces inside and outside both are internal to network having private IP address and they do not go to internet. I want there should be no nat between two interfaces in either direction? is this NAT ok for traffic f...
Resolved! FTP ALLOWED
Hi Guys, Im trying to allow FTP traffic into my Synology FTP server from the WAN into the LAN, when I simulate this on Packet tracer it says traffic is allowed but this is not true when I test it, I have ios 9.1(5), when I have a look at Syslog I ca...
We have setup a cisco ASA CX module 9.4 (2) and when we go to block HTTPS traffic for like facebook it blocks it. i have carried out following steps 1)Directting HTTPS traffic to CX 2)Generating self-sign certificate to intercept https traffic at CX...
Hello, I am considering a cluster (A/P) of 5516X with FirePower Services and I have 2 questions regarding the management solution for ASA 5516-X: 1) I have seen 5516-X has an internal FMC. Is there any document where it is explained which management...
Hi Team, I had a problem when upgrading our FMC to 5.4.0. Alerts Task Notification Task Status Your task Installing Sourcefire 3D Defense Center S3 Upgrade version: 5.4.0-763 (Local Install) failed at Wed Nov 25 09:46:02 2015 Failed to update state:...
Hi All I wonder if anyone can tell me the meaning of description fields in the log viewer. I looked throught the Cisco ASA book and i cannot find it in there. Built (in | out)bound TCMP connection for faddr (faddr | icmp_seq_num) [(idfw_user)] ga...
Hi all, I've one strange problem on my router 1801w with 12.4advance IOS. I've enabled Zone secuity firewall and it's working very well for a better controlling of the traffic in my network. -----Problem1 BTW I received an unexpected behvior in my d...
Hello All! I am struggling to figure out why my NAT / Port Forwarding is failing. Here's what I know about the site I'm configuring up. 1. The site is turning up a new DVR system. 2. The site has a Cable Modem as their ISP with two Static IP's (tha...
Hello Guys. Yesterday I have upgraded Firesight and ASA5555 to version 6 at our customer site. FireSight upgrade was easy and it completed successfully, but then I was unable to upgrade FirePower modules - I was getting error. So, I did it manually w...
I am getting the following alerts and cann't figrue them out: [119:4:1] http_inspect: BARE BYTE UNICODE ENCODING [Impact: Unknown Target] From "10.x.x.x" at Tue Nov 24 18:48:29 2015 UTC [Classification: Not Suspicious Traffic] [Priority: 3] {tcp} 9.1...
I understand the ASA sip inspection is enabled by default on its service policy. Can I disabled it and not causing any problem?I noticed the ASA does has sip session transit through it.ciscoasa(config)# policy-map global_policy ciscoasa(config-pmap)#...
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 |
|---|---|---|
| 12-31-2025 01:53 AM | ||
| 12-15-2025 09:32 PM | ||
| 12-11-2025 07:27 AM | ||
| 11-13-2025 12:52 PM | ||
| 11-03-2025 09:48 AM |
New solutions
Top Solution Authors
| User | Count |
|---|---|
| 5 | |
| 4 | |
| 2 | |
| 2 | |
| 1 |
