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Security Blogs

meddane
Participant
‎07-30-2021 11:03 AM
259 Views
0 Comments

802.1X Switch Configuration Summarized

Radius server configuration for 802.1X Server radius test1 Address ipv4 10.1.1.1 Key 1234 ! Server radius test2 Address ipv4 10.1.1.2 Key 1234 ! aaa group server radius TEST-gr server name test1 server name test2 ! aaa authentication dot1x default group T... Read More
meddane
Participant
‎07-30-2021 10:55 AM
225 Views
3 Comments

GRE Over IPSEC vs IPSEC VTI and Tunnel VS Transport Modes Demystified

  GRE Over IPSec IPSec VTI  
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meddane
Participant
‎07-30-2021 10:35 AM
213 Views
0 Comments

Demystifying NAT Traversal In IPSEC VPN With Wireshark

One of the biggest concept in VPN Technologies is NAT Traversal, like NAT Traversal in VOIP deployment with SIP Protocol, the history is always inside the payload to solve the Incompatibility between NAT and IPSEC like the Incompatibility between SIP prot... Read More
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brmcmaho
Cisco Employee
‎07-28-2021 09:43 AM
492 Views
1 Comment

Orbital Query Corner - Update

"What is this 'Orbital Query Corner' thing", you ask? It's the name of an occasional series of articles, each discussing one particular point or use case for the Orbital advanced search feature that is available in Cisco Secure Endpoint starting at the Ad... Read More
ErnestoJuarez
Beginner
‎07-27-2021 12:09 AM
315 Views
1 Comment

Increasing importance Of Cisco Firewalls For Network Web Security in 2021

Firewalling will be a critical step for organizations to better align security with changing business and networking needs. Cisco has been hard at work building an integrated security platform with our firewall at the foundation to enable businesses to ma... Read More
Robert Sherwin
Cisco Employee
‎07-14-2021 06:12 AM
735 Views
0 Comments

Python on Secure Email Vulnerability Concerns [July 2021]

Python on Cisco Secure Email The Python package used in our appliances is not a standard deployment --- just like AsyncOS is not your typical FreeBSD (a free and open-source Unix-like operating system descended from the Berkeley Software Distribution, whi... Read More
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meddane
Participant
‎07-12-2021 06:56 AM
625 Views
0 Comments

Cisco ISE, WLC and Umbrella Tripartite Pact

Wireless Controller WLC integration with Cisco ISE for access control through 802.1X is one of the most popular deployment in the network security field. Now is the employee PC safe after the authentication and authorization?even after the posture operati... Read More
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meddane
Participant
‎07-12-2021 06:45 AM
451 Views
1 Comment

Cisco ESA Bounce Verification to avoid the Denial of Service DOS of your email infrastructure.

How Bounce Verification works on Cisco ESA Email to avoid the Denial of Service DOS of your email infrastructure. The idea behind this kind of attack is that the attacker creates a message with the spoofed email address on a legitimate user inserted into ... Read More
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meddane
Participant
‎07-09-2021 12:51 PM
655 Views
0 Comments

Network Security All-in-one WorkBook

A workbook about Network Security including Cisco ASA, Cisco FTD, Cisco ISE, WSA, Umbrella, VPN and Layer 2 Security in a single book. This is hand-on labs with simple explanations. It is written in 2016 and released in 2021 with version 1.4. https://www.... Read More
meddane
Participant
‎07-07-2021 03:37 PM
446 Views
0 Comments

Cisco Umbrella Roaming Security Module error

Sometimes if you meet an issue with cisco umbrella anyconnect roaming security module and the following message is displayed in the module “Profile is missing” error. To solve the issue; Download OrgInfo.json file by logging into cisco umbrella dashboard ... Read More
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meddane
Participant
‎07-06-2021 03:46 AM
396 Views
1 Comment

How to test Cisco Umbrella solution

If you are using Umbrella/OpenDNS solution, you can use the following links to test your configuration: http://welcome.opendns.com https://welcome.umbrella.com/ Test if Security setting is blocking for Phishing: http://www.internetbadguys.com Test if Secu... Read More
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meddane
Participant
‎07-05-2021 03:26 PM
310 Views
0 Comments

IP Layer Enforcement in Cisco Umbrella Demystified

Cisco Umbrella is a big DNS service that provides not only the DNS resolution but also if the hosted website is trust or malicious, the idea behind the Layer DNS Security is that the modern attacks uses the DNS in the first step either to redirect the use... Read More
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meddane
Participant
‎07-05-2021 03:20 PM
226 Views
0 Comments

IPsec Crypto MAP VS IPsec Tunnel Protection Demystified

Many discussions and many questions about GRE over IPSec Crypto map versus Tunnel Protection (IPsec Profile). The old method versus the new method. Cisco introduced the concept of tunnel protection in the OLD course SIMOS for VPN which is now replaced by ... Read More
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aligarci
Cisco Employee
‎06-29-2021 07:16 AM
588 Views
0 Comments

Global threat alerts REST API is now released!

We are excited to announce that the new REST API of global threat alerts (formerly Cognitive Intelligence and CTA) is available now to all customers of Secure Network Analytics and Secure Endpoint who have enabled the global threat alerts capability. Read... Read More
Kelli Glass
Community Manager
‎06-16-2021 05:47 PM
5013 Views
0 Comments

Simple, secure tools to help protect your hybrid workplace

When we said the word “hybrid” in the past, it usually recalled the image of a new variety of plant or maybe an electric car. These days, it applies to the workplace too. The future of work isn’t “changing” to a hybrid model. It’s already changed. Forever... Read More
Latest Contents
Cisco WSA - Block all policy
Created by Thiruchelvam Thurairaj on 08-02-2021 06:46 AM
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Hi, Is that possible to create a WSA policy / profile to block all the web requests. Scenario is that I have already created a profile / policy to give access only to specific websites from a specific management server. WSA should block all the ... view more
FTD 7.0 - How to alter ipsec replay window-size
Created by SorenFrahm on 08-02-2021 04:33 AM
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Hi everyone. I need to change or disable "crypto ipsec security-association replay window-size" on a FTD 7.0. Have anyone accomplished this before? - I have tried using FlexConfig, but the commands has been put on the block list and I am not able to ... view more
ISE Certificates - Roaming Between Nodes
Created by jonhux891 on 08-02-2021 04:32 AM
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What is the best method for deploying EAP certificates within a multi-node deployment where users will roam between sites? Each site has an ISE PSN and the Admin and MGMT nodes are in a DC.The root CA of the certs that are presented to clients during auth... view more
Same Vlan ID on Different Physical Interface
Created by Ravan Nagalingam on 08-02-2021 02:36 AM
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Currently i am required to enable 2 PPPoE ISP link on the ASA, this specific PPPoE link requires to be tag to vlan 500 for it to be working.Since i am unable to created same VLAN ID on separate subinteface on the ASA.Any way i can configure both ISP link ... view more
SAML Redundancy for Cisco ASA
Created by latenaite2011 on 08-01-2021 09:54 PM
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Hi Everyone, I have customer who  has an ASA in Active/Standby mode and have SAML Single-Sign-On configured.  The SAML SSO works fine but during failover, it gave and error "Authentication failed due to problem retrieving the single sign-on... view more
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