This _should_ be the most common NAT configuration the planet, so no obscure goings-on! Very simple: web server on inside interface with a private IP. Need to serve up Web requests to internet. Second WAN IP on outside interface, used for NAT-ing up ...
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
(87) -
Catalyst 2000
(1) -
Catalyst 3000
(2) -
Catalyst 4000
(1) -
Catalyst 6000
(1) -
Catalyst 8000
(1) -
Catalyst 9000
(2) -
Catalyst Switch
(3) -
Catalyst Wireless Controllers
(1) -
Cisco
(1) -
Cisco Adaptive Security Appliance (ASA)
(9,629) -
Cisco Bugs
(56) -
Cisco Cafe
(25) -
Cisco CLI Analyzer
(1) -
Cisco Cloud Services Router
(1) -
Cisco Defense Orchestrator (CDO)
(149) -
Cisco Firepower Device Manager (FDM)
(812) -
Cisco Firepower Management Center (FMC)
(2,909) -
Cisco Firepower Threat Defense (FTD)
(3,163) -
Cisco Press Cafe
(1) -
Cisco Secure Firewall Device Management (FDM)
(47) -
Cisco Secure Firewall Management Center (FMC)
(241) -
Cisco Secure Firewall Threat Defense (FTD)
(293) -
Cisco Security Cloud Control
(16) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(19) -
CISCO START ANZ
(1) -
Cisco Threat Response
(1) -
Cisco Vulnerability Management
(46) -
Cloud
(1) -
Cloud Provisioning
(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
(264) -
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)
(37) -
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
(6,580) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
IPv6 Configuration
(1) -
ISE
(1) -
LAN Switching
(7) -
License
(324) -
MPLS
(1) -
Multicloud Defense
(3) -
Network Management
(93) -
Network Security
(2) -
Networking
(1) -
NFVIS
(1) -
NGFW Firewalls
(37,594) -
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
(2) -
Other Network Security Topics
(10,792) -
Other Networking
(9) -
Other Routers
(9) -
Other Routing
(24) -
Other Routing and Switching topics
(2) -
Other Security
(1) -
Other Security Topics
(18) -
Other Switches
(12) -
Other Switching
(4) -
Other VPN Topics
(1) -
Passive Identity
(1) -
Physical Security
(21) -
Policy and Access
(2) -
Prioritization
(3) -
Remote Access
(2) -
Room Endpoints
(1) -
Routing Protocols
(9) -
SD-WAN Security
(1) -
Secure Network Analytics
(1) -
Security
(4) -
Security Management
(645) -
Segmentation
(3) -
Service Providers
(1) -
Small Business Routers
(5) -
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
(28) -
VPN and AnyConnect
(1) -
Vulnerability Management
(46) -
WAN
(8) -
Web Security
(5) -
Webex Teams
(1) -
Wired
(3) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
Dear all I have one question about Cisco Content Management Appliance, could you please help me to check the answer.My customer asked me if they could use one management box to manage both WSA and ESA devices.For example, I have 1 box ESA C380 and 1 ...
Hello, I have an ASA5550 running asa914-k8.bin. It is connected to a Time Warner cable modem. I have a block of 5 public IP's from TW. From both outside and from the ASA I can ping the first IP of the block. I get replies. When I try to ping th...
We have our Voice and Data Vlan segregated by an ASA Firewall. The CallManager sits within the Voice Vlan. The IPT Solution reference network Design Document says; "By placing a firewall between the Cisco CallManager cluster and both the voice and da...
I've configured PAT on my ASA and it's work but I don't know why that suddenly become not working (I remember it's seem become not working after active DMZ). For troubleshooting, I've tried to configure another PAT command and packet-tracer (below co...
Hello everyone, I have a doubt about the ACL configuring in my ASAI have this acl witch it means that 10.10.11.2 can do www to the host 10.10.10.1access-list 100 extended permit tcp host 10.10.11.2 host 10.10.10.1 eq wwwand access-list 100 extended p...
Hello,We use Cisco ISE 1.2.0.899 on our network (we plan to upgrade to 1.3 in some months).Our network includes Cisco models 2960S (and some 2960T) about wired and 2602I (with WISM2) about wireless.We have to allow PXE boot on one (or many) VLAN.Do y...
Greetings. I know that officially two ASAs cannot run as a failover pair with a different amount of RAM in them, so taking the failover unit offline to upgrade the RAM and plugging it back in won't work.I thought I might start a discussion where peop...
Hi All,I'm having some trouble nailing down the difference between a NAT Exemption configuration (for VPN) and the required NAT mappings for a pre 8.3 ASA. Let me explain:global (outside) 1 interfacenat (inside) 1 192.168.76.0 255.255.255.0^--- Unde...
Resolved! SourceFire Sensor Licensing Problem
I am having issues regarding licensing of my SourceFire sensors, it appears the legacy site using the https://keyserver.sourcefire.com is no longer active and I am getting the following error when trying to obtain the license through the Cisco Produc...
I have a 4270-20 (7.1(7)E4) monitoring a network that is required to use the DISA STIGs for certain security settings. there is a requirement (STIG ID NET0965) that requires the following:The network device must be configured with a maximum wait time...
Hi, When i configure 8.2 in trasparent mode and deploy the a network that was wrok on EIGRP after that i found the neighborship was stop when i allow the mutlicast address and prtocol on outside interface it was start the working But when i deploy an...
Resolved! Upload newest image on ASA5525-X
hi all,i'm going to upgrade a new ASA5525-X and wanted to know what's the 'best' image to load.do i upload the 'suggested' image such as 9.2.24 or 'latest' such as 9.1.5?see below from cisco.com download area:Suggested9.2.2.4.SMP 9.1.5.SMP.ED 9.0.4.S...
Hi is there an option when this signature fires to block the attacker or this attack and not just log the attack? I tried to set the actions but the log says no action taken.
Resolved! ASA to work with RANCID
hi all,i tried to poll one of our ASA to our RANCID server but it seems not working.it seems only cisco routers, switches and APs are being polled.has anyone tried RANCID to backup the config on an ASA?
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 |
|---|---|---|
| 07-02-2026 03:17 AM | ||
| 07-01-2026 01:03 PM | ||
| 06-24-2026 08:00 AM | ||
| 05-26-2026 07:54 AM | ||
| 05-02-2026 06:09 AM |
New solutions
Top Solution Authors
| User | Count |
|---|---|
| 5 | |
| 1 | |
| 1 | |
| 1 | |
| 1 |
