Security

Explore the security forums and share your expertise about firewalls, email and web security, Identity Service Engine, VPN, AnyConnect, Duo, Umbrella, Secure Access and more.
cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

Browse the Community

Network Access Control

Cisco Identity Services Engine (ISE), Cisco Access Manager (CAM), Zero Trust Workplace

33830 Posts

Network Security

Engage with peers and experts on network security topics such as Secure Firewall Threat Defense, Ada...

72730 Posts

Duo Security

Get started with or get better at administering and using Duo by interacting with peers and experts!

3679 Posts

OpenDNS

Ask questions not covered by support articles and documentation.

3637 Posts

Activity in Security

Switchport Configuration for dot1x MAB

Hi,There is only a single VLAN configured on the switch, we configure switchport access vlan 100 on the switch ports that connect to devices which support dot1x. For the devices which don't support dot1x, we configure MAB on the switch port without s...

FMC 7.6.5 remote backup failing

Hi,We have 5 FMC servers which have been upgraded recently from 7.4.2 to 7.6.5. I found out that since then the daily backup of the FMC server towards a Linux server (Ubuntu 20.04) is not working anymore. The firewalls are still running on version 7....

johnslegers by Community Member
  • 74 Views
  • 2 replies
  • 0 Helpful votes

Resolved! Disable 802.1x in the estate

Hi ,I was asked to disable 802.1X for a few specific ports, and all I had to do was under the switchport: remove access-session port control-auto command.But recently, there was an incident across the entire branch where users were not authenticated ...

Major issues after Cisco ESA Upgrade to 16.5.0-780

Just a heads up in case it saves someone else from a bad day. We upgraded to this release due to the SQL injection exploit and now are having major issues: -Much slower mail performance (connect times are 3 times slower across all of our ESA's) -Clus...

ceaser333 by Community Member
  • 39 Views
  • 0 replies
  • 0 Helpful votes

Mail Bouncing

Hi Attached Mail log which is bounced need reason and how to allow this email to be whitelisted.RegardsAjay Sharma   

ajay1969 by Community Member
  • 25 Views
  • 0 replies
  • 0 Helpful votes

Policy for Network Subnets in Secure Access

Hi. Does Cisco Secure Access supports creating a policy for internal networks that associated with network tunnel? For example, the subnet for IOT devices is 192.168.x.x/24 and for guest users is 172.x.x.x/24, and I wanted to create separate policy f...

dianawinsky_0-1789459550842.png dianawinsky_1-1789459570717.png

ISE captive portal issue on client

Captive portal is not popping up on client automatically while connecting to guest SSID. But if we open browser enter neverssl.com then it redirects to captive portal and allow us to complete guest registration and sign on process. Also receiving cer...

rajs2206 by Frequent Visitor
  • 386 Views
  • 7 replies
  • 1 Helpful votes

When Route-Based IPsec SAs Expire

For an IPsec SA established via route-based IPsec, if traffic ceases on the standby router, does the SA get deleted when its lifetime (86,400 seconds) expires?Please let me know if there are any other conditions or timer values that trigger deletion....

CHISHIUNG by Level 4
  • 106 Views
  • 4 replies
  • 0 Helpful votes

Duo Gateway Authentication Options

I am running an implementation of Duo on a Virtual Desktop Environment (VDI) that uses the Microsoft Desktop Gateway App to perform 2FA on a broker/session host. I understand there are only two options with this implementation: Duo Push, and Phone Ca...

akond by Community Member
  • 109 Views
  • 2 replies
  • 0 Helpful votes

Poc demostration

I need a poc for demostration proposite, please help me, need a meraki mx75, mr for ap and two switchs, for vlans, one for vlan data and video, other switch for data an control acces, the ap should be in three vlans with diferent ssid, thanks

ingelserv by Visitor
  • 89 Views
  • 3 replies
  • 0 Helpful votes