I am unable to telnet or ssh to a router from internet (LAN works fine). I see following in debug logs on the router*Jun 7 12:19:22: TCP0: state was LISTEN -> SYNRCVD [22 -> <Outside IP removed>(59121)] *Jun 7 12:19:22: TCP: tcb 85455EE8 connection...
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
(84) -
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)
(9,510) -
Cisco Bugs
(31) -
Cisco Cafe
(25) -
Cisco CLI Analyzer
(1) -
Cisco Cloud Services Router
(1) -
Cisco Defense Orchestrator (CDO)
(139) -
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 Management Center (FMC)
(2) -
Cisco Secure Firewall Threat Defense (FTD)
(1) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(17) -
CISCO START ANZ
(1) -
Cisco Threat Response
(1) -
Cisco Vulnerability Management
(42) -
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)
(25) -
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
(6,567) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
ISE
(1) -
LAN Switching
(7) -
License
(318) -
MPLS
(1) -
Multicloud Defense
(2) -
Network Management
(90) -
Network Security
(2) -
Networking
(1) -
NFVIS
(1) -
NGFW Firewalls
(37,553) -
NGIPS
(1,872) -
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
(10,769) -
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
(624) -
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
(24) -
VPN and AnyConnect
(1) -
Vulnerability Management
(41) -
WAN
(7) -
Web Security
(5) -
Webex Teams
(1) -
Wired
(3) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
Hi Team, we need to recover pix (bios is version 4.3)password through np43.bin file but unable to download the filei am using this link http://www-tss.cisco.com/eservice/compass/common/activities/password_PIX.htmi have partner ID of cisco but its sho...
Dear all, Currently i'm using ASA 5512X and i have DMZ for web server. and i was forwarding from outside to DMZ is working fine. but i have problem with my client access web ( www.abc.com ) it doesn't work but they using ip address ( 192.168.0.50 ) i...
I Have a cisco ASA 5512x IOS ASA Version 8.6(1)2 with license security plus, and i need to upgrade IOS to 9.x, do i need another license ? Thanks
Anyone having problems trying to validate syntax in a FlexConfig in Cisco Security Manager?CSM version 4.4.0 SP2Java 1.6.0_14-b08I have heard that there are issues with earlier versions of Java.I have also heard that this problem was fixed in CSMAny ...
What is the process to backup the configurations from a bad ASA to a new one (same model)?I am asking specifically for certificates and keys for VPNs.
I want to setup a service policy rule to send traffic to the CX module. What would be the best setup for that? What interfaces? etc. Mike
Resolved! ASA 5505 Shunning help
I have read a few posts regarding shunning already. I just don't feel like the ASA is shunning as much as I'd like it to. In fact - it doesn't ever seem to shun anything unless I manually add it.Running 8.3(2)13My config looks like this:Result of t...
Resolved! Identity NAT for all private subnets?
I'm working on network with around a dozen (and growing) remote sites that are all connected to a central site via L2L VPN using ASAs. The remote sites send all traffic (internal and external) through their VPN connection to the central site and Inte...
Resolved! PAT configuration on ASA 5512
Hi; How can I configure the PAT on my 5512 to allow smtp traffic coming from the internet? I have one public ip only, but I need direct the smtp, http traffic to two different server internal.
Hello Friends,I am New to ASA world and need your help.I was working on a issue were we found that thier is one particular static route entry in ASA routing table.We checked the running-configuration but did not find any entry in running-config for t...
This is what I am trying to add... object network voice-sip-tcp host 192.168.1.65 nat (inside,outside) static interface service tcp sip sip^^^ this was succesful!object network voice_sip_udp host 192.168.1.65 nat (inside,outside) static interface ser...
Hi ThereI'm busy converting juniper to Cisco line by line I've used the Cisco tool but had some errors that I'm now fixing manually. how do I convert the Juniper application layer gateway to a Cisco ASA format, see below.The (set policy id 663 applic...
Hi, There are 2 things I would like to ask. 1st - my understanding of PAT ( port address translation ) if I have 1 public IP address lets say 1.1.1.1 for example and have 3 internal servers 192.168.1.1 .2 and .3 can I use the same public IP to map di...
Hi,we have one internet link which is terminated on Internet router cisco 2921. connection as belowInternet router==>Cisco ASA 5512X===>cisco 3560 L3 switch (Vlan Created on switch & Gateway for server 10.120.8.1))====> Proxy server with single LAN c...
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 |
|---|---|---|
| 07-16-2025 04:21 AM | ||
| 07-06-2025 01:40 PM | ||
| 07-04-2025 01:59 AM | ||
| 06-19-2025 07:32 AM | ||
| 06-17-2025 01:07 PM |
New solutions
Top Solution Authors
| User | Count |
|---|---|
| 10 | |
| 7 | |
| 5 | |
| 2 | |
| 1 |
