I keep getting the following message in my logs and I am trying to find outhow I can resolve this. Thanks in advance for all of your help. - No UDP Server to service request - request discarded to service: 137 - source machine - 10.20.5.6 - destinati...
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)
(9,640) -
Cisco Bugs
(61) -
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)
(49) -
Cisco Secure Firewall Management Center (FMC)
(261) -
Cisco Secure Firewall Threat Defense (FTD)
(313) -
Cisco Security Cloud Control
(16) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(21) -
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 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
(10,792) -
Other Networking
(9) -
Other Routers
(9) -
Other Routing
(24) -
Other Routing and Switching topics
(2) -
Other Security
(1) -
Other Security Topics
(18) -
Other Switches
(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
Resolved! IDSM-2 Password Recovery
We have IDSM-2 modules installed in a VSS switch. I need to perform password recovery on the modules. Will this affect the VSS switch that they are installed in?
Resolved! NAC Upgrade question
I am planning to upgrade our CAS and CAM systems from version 4.6.1 to 4.7.2. The documentation states that "Cisco recommends you do not perform this upgrade procedure over an SSH connection, as the steps necessary to reboot the appliance during the ...
Resolved! Deny IP spoof from (127.0.0.1)
Greetings!I have recently began to receive these errors on my ASA 5510. I've done a debug when it occurs but haven't noticed an unusual traffic coming from the internal or external network.here's the error:2|May 03 2010|12:04:08|106016|||||Deny IP sp...
How to port forward on ASA 5510?we have tried this configuration, but is is not working. Can you guys tell us what is wrong?ASA Version 7.0(8)!hostname ciscoasadomain-name default.domain.invalidenable password fhi49CaZUyRBMnYZ encryptedpasswd fhi49Ca...
Hello,For those who is not familiar with what is SlingBox is, it basically stream a analog or digital video source over TCP/IP. Is a pretty cool device and it will also stream the video over internet. http://ca.slingmedia.com/go/slingbox-prohdThe s...
Hi,My ZBF configuration is showing a lot of drops:114110: May 2 12:49:43.559 CET: %FW-6-LOG_SUMMARY: 1 packet were dropped from PUBLIC_IP:0 => PRIVATE_IP:3 (target:class)-(OUTSIDE_INSIDE_ZP:class-default)114111: May 2 12:49:43.559 CET: %FW-6-LOG_SU...
Hi,I am looking for the way to define QoS policy on ASA 5520 only from 8:00 till 16:00We use Cisco security manager and cannot find option to specify time interval.I didn't find such option in ASDM as wellCan you help me?Thanks, Igor
Hi, I have two pairs of Cisco ASA firewalls (5510 and 5550) These has been configured foto authenticate SSH and HTTP connections by SDI/RSA SecurID.Recently this has stopped working and each time I try to re-enable it, I get the following error:ASA(c...
Hi, We having Ethernet connectivity terminated on Cisco 5520 ASA firewall. 172.16.100.15/28 IP pool is allotted by our provider for the connectivity. 172.16.100.16 is configured at Provider’s router interface. 172.16.100.17 is configured at our ASA f...
Hi,I have a ftp server in my inside zone of ASA, One of my application team needed to access that ftp server in the inside interface with the Public IP. If they were using a url for that I could have used "dns doctoring". I tried with the following N...
How i enable ping to public vpn ip.for example my outside interface is 172.20.10.2 and my public profile vpn ip is 217.122.142.198, and i need to ping to this public ip from another network.
Hello,My Cisco ASA has suddenly lost all of its disk images although the disk is still intact.Is there a preferred way to restore this to factory with the software back on it ?Any help much appreciated.Thanks.S.
content removed....
Resolved! ICMP & ICMP Error Inspection
I'm currently running PIX 7.0.4.10 and preparing for an ASA conversion. In anticipation of the move I've been cleaning up the configs and decided to turn on ICMP &ICMP Error Inspection so I could get replace the "permit icmp any any" statement on my...
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 |
|---|---|---|
| 08-10-2026 02:48 AM | ||
| 07-22-2026 05:00 AM | ||
| 07-16-2026 06:39 AM | ||
| 07-15-2026 08:48 AM | ||
| 07-13-2026 11:05 AM |
New solutions
Top Solution Authors
| User | Count |
|---|---|
| 3 | |
| 2 | |
| 1 | |
| 1 | |
| 1 |
