I am trying to allow access to a DNS server on a custom port. object HOST_192.168.2.51_32 description DNS Server host 192.168.2.51 nat (inside,outside) static interface service udp 53 5353 access-list outside_access_in extended permit udp any HOST_19...
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)
(9,642) -
Cisco Bugs
(62) -
Cisco Cafe
(25) -
Cisco CLI Analyzer
(1) -
Cisco Cloud Services Router
(1) -
Cisco Defense Orchestrator (CDO)
(150) -
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)
(50) -
Cisco Secure Firewall Management Center (FMC)
(265) -
Cisco Secure Firewall Threat Defense (FTD)
(313) -
Cisco Security Cloud Control
(17) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(22) -
CISCO START ANZ
(1) -
Cisco Threat Response
(1) -
Cisco Vulnerability Management
(47) -
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
(15) -
EEM Scripting
(1) -
Emergency Responder
(1) -
Endpoint Security
(6) -
Enterprise Agreement
(1) -
Event Analysis
(265) -
FirePOWER
(1) -
Firepower Chassis Manager (FCM)
(2) -
Firepower Device Manager (FDM)
(16) -
Firepower Management Center (FMC)
(408) -
Firepower Threat Defense (FTD)
(221) -
Firewall Migration Manager (FMM)
(1) -
Firewall Migration Tool (FMT)
(38) -
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
(6,581) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
IPv6 Configuration
(1) -
ISE
(1) -
LAN Switching
(7) -
License
(325) -
MPLS
(1) -
Multicloud Defense
(3) -
Network Management
(94) -
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
(10,793) -
Other Networking
(9) -
Other Routers
(9) -
Other Routing
(24) -
Other Routing and Switching topics
(2) -
Other Security
(1) -
Other Security Topics
(18) -
Other Switches
(13) -
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
(646) -
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
(4) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
Hi here is the problem. Router1 SITE1--------- INTERNET ---------SITE2 ASA------Router2. wanted to setup a VPN site to site vpn between the ROUTER1 and ROUTER2. however as there is a ASA between. is it possible. do not want to configure a VPN on A...
Hi friends, I'm trying to set up an access for a PC from internet to my ASA 5580 for testing purposes. I'm trying to do it through ASDM following the ASDM Assistant but I can't. At the very begining when I try to add a new Connection Profile every op...
Hi,We have a site to site IPsec vpn as well as a LES circuit to the same destination. Some traffic will use the VPN and other the LES connection.I need to temporarily kill the site to site VPN to do some testing and am looking at suggestions for the ...
hi, i just applied 1-year and 3-year TAMC (URL filtering, AMP) licenses to FMC and would like to change the 90-day eval license currently applied on ASA 5525 FP modules. a few questions: 1) could someone advise on how to do it? do i untick then tick ...
Hi, I am just configuring some very simple post 8.3 NAT statements. network object mapped-ip host 1.1.1.1 network object real-ip host 2.2.2.2 My next line of configuration would normally be something like the following nat statement included in the r...
Hi, FPR2130 with 6.2.1. 1st question - how to properly check port-channel status? From CLI there is command #show port-channel, but it is not working (and withing LINA this is not implemented). Basically, there is no way to reasonably check LACP stat...
Hello ASA community,Has anyone tested this scenario, and what are the license requirements for this to work?Following link suggests it is doable from technical standpoint:https://search-prd.cisco.com/topic/news/cisco/cs/cs-asa/dsc25457.html"You can s...
Resolved! ASA show conn - determinate source/dest
Please help! I'm not understand, how determinate source and destination connection in output from show conn example UDP PSLAN 192.168.105.107:42920 PSFS 192.168.200.3:161, idle 0:00:06, bytes 237, flags -UDP PSLAN 172.17.45.34:514 PSCBR 192.168.201.1...
Hello all, I'm having some trouble with configuring an Cisco 881 router with CCP. I'm still learning my way through the way Cisco handles firewall. I'm trying to block all but a few ports going to a particular network device in the network, and I can...
Resolved! DHCP release
I have this in my ASA 5520 interface GigabitEthernet0/0.134 description Data_134 vlan 134 nameif VLAN134 security-level 0 ip address 10.1.250.1 255.255.255.0 standby 10.1.250.2!interface GigabitEthernet0/0.135 description Voice_135 vlan 135 nameif VL...
Hi There!! In a Company where I offer technical Support , there are several Fw´s like 5580,5525, 5555, But I would like to Know if There is device /Software thata can operate like a Centraliced device for those ASA´s ? The only option I found is the ...
Resolved! Route Internet Traffic to Second ASA
We have an existing ASA which handles our Internet and inbound from the Internet static NAT'd SFTP, SIP and Web Server traffic. We want to add a second ASA which the existing ASA would forward 0.0.0.0 Internet bound traffic to this new ASA. When doin...
FMC 6.2.1 does not have an uninstall package. Anyone know how to remove this update? Thanks, Robert
Resolved! FTD 6.0 VPN ..
Dear Experts, Am Confused ..Please help me to clear this .. 1.What is Exactly FTD 6.0 ? 2.Does it replaces the images of ASA and Firepower (.pkg & .img) in asa ..? 3.Does it replaces the use of ASDM with Web Gui ? 4.Does it not have support for Any k...
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 |
|---|---|---|
| 08-20-2026 05:54 AM | ||
| 08-19-2026 07:59 AM | ||
| 08-10-2026 08:58 AM | ||
| 08-10-2026 02:48 AM | ||
| 07-22-2026 05:00 AM |
New solutions
Top Solution Authors
| User | Count |
|---|---|
| 2 | |
| 2 | |
| 2 | |
| 1 | |
| 1 |
