guys,i have configured a new 525 Firwall into my network recently, but something starnge happend to the internal network.i noticed slowing down the entire network some times some of my application not responding and getting dissconneting (even the pi...
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
(10) -
Access Control Server (ACS)
(6) -
Access List
(4) -
ACI
(10) -
Advanced Threats
(1) -
AMP for Endpoints
(1) -
AnyConnect
(2) -
APIs
(1) -
Appliances
(17) -
ASA
(1) -
Branch Router
(1) -
Buying Recommendation
(81) -
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)
(9,335) -
Cisco Bugs
(61) -
Cisco Cafe
(15) -
Cisco CLI Analyzer
(1) -
Cisco Cloud Services Router
(1) -
Cisco Defense Orchestrator (CDO)
(139) -
Cisco Firepower Device Manager (FDM)
(768) -
Cisco Firepower Management Center (FMC)
(2,700) -
Cisco Firepower Threat Defense (FTD)
(2,986) -
Cisco Press Cafe
(1) -
Cisco Secure Firewall Device Management (FDM)
(55) -
Cisco Secure Firewall Management Center (FMC)
(279) -
Cisco Secure Firewall Threat Defense (FTD)
(333) -
Cisco Security Cloud Control
(17) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(21) -
CISCO START ANZ
(1) -
Cisco Threat Response
(1) -
Cisco Vulnerability Management
(45) -
Cloud
(1) -
Cloud Provisioning
(1) -
Cloud Security
(2) -
Community Bug or Issue
(1) -
Community Feedback Forum
(27) -
Community Ideas
(12) -
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
(238) -
FirePOWER
(1) -
Firepower Chassis Manager (FCM)
(2) -
Firepower Device Manager (FDM)
(14) -
Firepower Management Center (FMC)
(383) -
Firepower Threat Defense (FTD)
(206) -
Firewall Migration Manager (FMM)
(1) -
Firewall Migration Tool (FMT)
(38) -
Firewalls
(1,051) -
FMC
(1) -
General
(2) -
Guest
(1) -
Identity Services Engine (ISE)
(8) -
IE3300
(1) -
Integrated Security
(8) -
Integrated Security Architecture
(1) -
Integrations
(4) -
Investigation
(2) -
iOS
(1) -
IPS and IDS
(6,519) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
IPv6 Configuration
(1) -
ISE
(1) -
LAN Switching
(6) -
License
(307) -
MPLS
(1) -
Multicloud Defense
(2) -
Network Management
(88) -
Network Security
(2) -
NFVIS
(1) -
NGFW Firewalls
(37,235) -
NGIPS
(1,794) -
Online Tools and Resources
(1) -
Open Source and Open Standards
(1) -
Optical Networking
(3) -
Optics
(1) -
Other Automation Analytics Topics
(1) -
Other Collaboration Topics
(1) -
Other Community Feedback
(3) -
Other Firewalls
(1) -
Other IP Telephony
(1) -
Other NAC
(18) -
Other Network
(2) -
Other Network Security Topics
(10,661) -
Other Networking
(9) -
Other Routers
(8) -
Other Routing
(22) -
Other Routing and Switching topics
(2) -
Other Security
(1) -
Other Security Topics
(18) -
Other Switches
(12) -
Other Switching
(4) -
Physical Security
(19) -
Policy and Access
(2) -
Prioritization
(3) -
Remote Access
(1) -
Room Endpoints
(1) -
Routing Protocols
(8) -
SD-WAN Security
(1) -
Security
(4) -
Security Management
(565) -
Segmentation
(3) -
Service Providers
(1) -
Small Business Routers
(5) -
Small Business Security
(2) -
Sourcefire
(2) -
Support
(2) -
Threat Containment
(6) -
Threat Grid
(1) -
Unified Computing System (UCS)
(1) -
Voice Gateways
(1) -
VPN
(28) -
VPN and AnyConnect
(1) -
Vulnerability Management
(43) -
WAN
(7) -
Web Security
(4) -
Webex Teams
(1) -
Wired
(4) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
Hi,I am hoping some genius here will be able to shed some light on my problem.I have a 3350 switch acting as my outside segment. Extrenal vendor routers etc connect to this. They target a privte ip 192.168.68.x my pix then has static's that do PAT. T...
Hello all,we recently upgraded our DNS/DHCP servers with newer hardware and more up-to-date version of Linux. The previous servers were not behind a firewall. The current servers are placed behind our ASA5510 appliance, and we have set up translation...
OK, so I noticed on my server today a host from IP address 200.69.119.228 flooded my server this morning with 4,878 login attempts; in only 1/2 hour!Are there any good ways to prevent this from my PIX standpoint?Appliance: PIX 506 5.2(6)Any help woul...
I cannot seem to get port forwarding working on my ASA 5505. I am running everything through one outside IP and do not have additional public IPs to use. I think I have the configuration right, but it is still not working. Through ASDM I do a packet ...
Resolved! AIP-SSM configuration assistance
I have two questions regarding the AIP-SSM.1) Does the ACL on AIP-SSM have any type of relations to the ASA ACL?2) Our four interfaces are all in use. Is it possible to assign the SSM an IP address in the same subnet as the management interface?3) Sh...
I need some help on customizing sig 3171, FTP priviledged login. I would like once this sig fires a certain number of times it will block the host. I have my device setup for blocking and I thought I had this sig cloned correctly to block the host af...
What hardware does it run on? Is it the ASA-5500?For some reason I can't find that info.Thanks!
Resolved! Quick PIX syslog Q!
If a PIX closes a half-closed TCP connection after it's timeout period (default 10 mins), what code/text would that be logged as?Thanks,J
I am using three PIX 506E 6.3 in main office & outside shops, and want to purchase two ASA5505 for our new shop.I find "Cisco ASA 5500 Series 8.0" in the Cisco->Security and VPN Product page, but can't find any other information about this new ASA 8....
Resolved! Monitoring Load on IDS
Hi.At present I am monitoring the traffic that flows on the Inside Int of my firewall. I need to sniff the traffic on the other INT as well. before doing that activity I wanted to know my IDS-4235 would take the load or not.kindly help me to know how...
Resolved! NAT and PIX VPN issue?
Dear all,We are trying to work out why a user is unable to connect to a pptp vpn server through our firewall.They are on a NAT network going through our PIX and then to their Windows 2003 VPN server, now this works fine from an normal un-NAT network ...
I have just noticed that this signature has fired for 2 of our different clients but with the same source/ destination IP's. I would normally assume that this is either impossible or very strange.I think that might be where the name of the signature ...
Yes, I am a newbie... I have the initial configuration of the ASA5520 finished and started adding some ACL. I can access lower security levels just fine but I want everybody to be able to ping everybody else. I tried:icmp permit 0.0.0.0 0.0.0.0 insid...
Resolved! FWSM blockes same-security-traffic
Hi,Firewall blockes traffic between two level-0 - Interfaces."same-security-traffic permit inter-interface" is configured. The Access-list is correct an the log containes without matches:"Mar 30 13:52:51 pix Mar 30 2007 13:55:13 z084nlf-h008001 : %FW...
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 |
|---|---|---|
| 09-30-2026 10:29 AM | ||
| 09-30-2026 08:23 AM | ||
| 09-22-2026 04:13 PM | ||
| 08-25-2026 06:22 PM | ||
| 08-24-2026 12:26 AM |
New solutions
Top Solution Authors
| User | Count |
|---|---|
| 3 | |
| 2 | |
| 2 | |
| 1 | |
| 1 |
