Security

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Network Access Control

Cisco Access Control Server (ACS), Identity Services Engine (ISE), Zero Trust Workplace

31848 Posts

Network Security

Engage with peers and experts on network security topics such as FTD, FMC, FDM, CDO and ASA.

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Duo Security

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

3206 Posts

Activity in Security

Suspend button for AnyConnect

Hi, My company is unwilling to set up split routing, for security reasons. Therefore, they ask us to disconnect from the VPN for bandwidth-intensive activities like VoIP and file downloads. This is cumbersome, as reconnecting requires us to input our...

ignamv by Level 1
  • 705 Views
  • 2 replies
  • 0 Helpful votes

NAT for ping ICMP from outside to inside via ASAv

Hi, I am 4-year student to university of since from Vietnam. I have a problem about ping ICMP through ASA. I can ping from R2 from outside to 4.0.0.1 of DMZ or 8.0.0.1 of inside. I can ping from DMZ via inside. Can also ping from DMZ and inside to go...

ThienareMargo_0-1715574735435.png

cisco macsec between my head office and branch offices

cisco 9500 layer 3 switch in the head office and C3560CX switches in 5 branch offices. ISP gives an interface to the head office, both data vlan and internet vlan. I want to establish macsec between the branches.can anyone support me in macsec setup?

Seyidoff by Level 1
  • 103 Views
  • 2 replies
  • 0 Helpful votes

Cisco anyconnect browser ERR_SSL_Protocol_ERROR

Good day to everyone.I have two Cisco ASA running on FPR2130 assembled into a balancing group, for example:vpn-gw1.example.comvpn-gw2.example.comgeneral address vpn.example.com.Firmware version 9.18.3.56Anyconnect 4.10.07062At the moment, all our emp...

Resolved! FirePower 1100 lost smart registration

I have a FirePower 1100 for my home lab and for some reason, it lost DNS connectivity and lost registration. I did not notice and now I can't deploy changes. I connected to the CLI and tried to ping from system. When I try to ping from system I get t...

Updated to Ubuntu 24.04. I am not able to use Secure-VPN anymore

Hi, as the title says, I am unable to connect to my Cisco Secure VPN after updating my OS from Ubuntu 22.02 to 24.04. The error I receive is"You are missing the required libraries for the authentication method you requested."Upon closer inspection, t...

rorororo by Level 1
  • 1477 Views
  • 12 replies
  • 0 Helpful votes

Cerificate not valid yet

HiSo basically I have this problem I have eve ng VM and inside of it I'm installing ise primary node and secondary node and AD so I configured a NAT pool on the router and I control those equipements with internet addresses, so now I make a MGMT PC a...

Jason2005 by Level 1
  • 105 Views
  • 1 replies
  • 0 Helpful votes

DHCP Server issues DOT1X

HelloAfter I have setted every policy on the switch and everything is working fine through an ISE authentification via dot1x, now server cannot reach its gateway in order to give IP DHCP addresses to the hosts on VLANs!Can anyone help me please

Jason2005 by Level 1
  • 194 Views
  • 3 replies
  • 0 Helpful votes

Resolved! FTD Routing question

Hi to all,i am facing the following problem, please refer also to the png attached (i also have some information on the png attached).An IPsec VPN 2811 router tries to establish an IPSec vpn with an FTD. I have setup this config on the lab and i noti...

Ditter by Level 3
  • 289 Views
  • 12 replies
  • 0 Helpful votes

Allowing access through ISR-C1111 to FPR1010

HelloSo I configured my RA configuration on my FPR1010 for access to my LAN 192.168.5.0/24 but was curious how exactly would I allow this on my ISR to let me connect to it? Not exactly sure which Ports would be needed opened

TheGoob by Level 4
  • 121 Views
  • 2 replies
  • 0 Helpful votes

IPsec tunnel using private ip

Hi All, Can we create an ipsec tunnel between umbrella data center and Cisco FTD firewall using private ip ?. In my infrastructure isp is terminated on router and FTD is behind Router.

Vishal6 by Level 1
  • 107 Views
  • 1 replies
  • 1 Helpful votes
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