I have a customer that has had issue with RDP. They try to RDP from 10.10.32.20 (LAN) to 10.1.2.248 (VPN external). I pulled the following from the logs:Jul 21 2015 12:54:08: %ASA-5-305013: Asymmetric NAT rules matched for forward and reverse flows...
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)
(9,631) -
Cisco Bugs
(58) -
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)
(249) -
Cisco Secure Firewall Threat Defense (FTD)
(300) -
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
(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 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
(4) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
Hi, We use the private space 10.0.0.0/8 for our corporate inside resources. One of our office has 10.29.0.0/16.We created a Site-2-site connection between 2 ASA between corporate network and office. This VPN works fine. From our corporate network we ...
Resolved! ZBF - Clarification
HI all, I am just seeking a bit of clarification with regards to Zonebased Firewalls (Cisco 1921)I have a ZBF with a number of internal Zones, non of these will need to talk between each other, I have an uplink to an upstream provider router that pro...
Resolved! identify ports between PCs
Hello GuysI need to identify ports between two PCs so that I can lock them down via ACL on ASA5512-x, the problem is how do I know what ports should be allowed and what should be denied? I am aware of 'netstat', but does it mean every single port on ...
Hello,I have ASA 5520 with interface 'inside' in local network and interface 'outside' facing the internet.there are line ssh 192.168.0.0 255.255.0.0 inside for access to ASA from local network. And deny any any rule for incoming traffic on 'outside'...
I need help understanding the packet flow through an ASA and understanding packet tracer results. NAT Control is enabled on the ASA. Using ASDM, I updated an ACL on the ASA with the following: acl_1out line 1 permit udp host origination_host host d...
Hi All,There is it... I've been fighting with an old school server admin for about 3 months now, and I came to conclusion to give up and do it his way... Just to make him!Anyways, there is the issue. Server admin guy has a few servers which I put i...
Resolved! Cisco ASA 5510 VER 8.2
Hello We have a cisco asa with internet working fine for inside users. We have set up a guest zone on the firewall. We are trying to allow users from the guest network to access the internet. What command do I have to set up on the firewall to allow ...
Hi,I'm trying to figure out wheiter or not the new multiple context BGPv4 and BGPv6 feature works ok. I've not been able to find any related information on the Internet regarding people actually using this feature. Anyone any experience with this?Our...
Hello All, I have a very basic issue with adding a sub interface. Iam new to this setup so maybe Iam missing something. Our Cisco 5512 appliance has a few subinterfaces e.g Interface GigabitEthernet0/1.1011 , is up, line protocol is up MAC addre...
Let's say for giggles I want to be able to access an internal switch from the outside using the outside interfaceusing telnet from a specific IP address. I know about the security this is just an exercise that someone asked me about. ASA is running 9...
Resolved! asa "show traffic" usage
Hi, We have a number of 5545X firewalls split into multiple contexts, and are seeing poor voice quality for some users. As part of the investigation I came across a sub-interface showing a large percentage of traffic being dropped, as indicated by th...
I have a customer with a 3 year APEX subscription license for 250 users. If they decide to replace their current HA ASA's whilst the subscription is still running can the license be transferred to the new ASA's? If so how is this achieved?
I am currently in the middle of a proof of concept for Cisco IPS could anyone weigh in on the support they provide. I am sure the sale folks would say they provide the best support under the sun. I am more interested in what the everyday user experie...
Dear Support. I have a security concern.I have an application based on my local network, this application locally accessed by http. it's a critical application for the entreprise.For the business raisons, we need to allow access to users from interne...
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 |
|---|---|---|
| 07-15-2026 08:48 AM | ||
| 07-13-2026 11:05 AM | ||
| 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 |
|---|---|
| 2 | |
| 2 | |
| 1 | |
| 1 | |
| 1 |
