Network Security

Resolved! SSL Cert revoked - cannot access FMC

My wildcard certificates were recently revoked because 2 duplicate certificates were created with underscores which aren't allowed, so ALL my certs were revoked. I cannot access my FMC through a browser. Does anyone know how to remove the certific...

ASA access-group and packet tracer behaviour

Hi, I was wondering what is the logic used to apply access-group to an Interface in ASA. i have a simple topology (Client)---> ASA----> (SSH_Server) these are my configured IPs object-group network inside network-object host 192.168.200.10object-grou...

Resolved! Can we use FMC as a syslog server for managed sensors?

Hi all, We have a customer with an FMC/FTD deployment. They currently have no central syslog service to send syslogs from the FTDs. FMC is good at storing security related logs but what about infrastructure logs generated by FTDs (routing peer or...

cannot see the message in logging of ASDM

Hallo all,I spent a lot of time to solve one problem but unfortunately I have no clue to solve it, I have a network with ASA firewall, the client inside cannot ping outside, but the http service is normal (with NAT), I try to analyse the pack...

Resolved! NAT Question

Our ISP has issued us two subnets: one is a /30 subnet and the other is a /28. For the sake of this discussion (with false IPs) the /30 is 46.181.101.212/30 with the provider assigned .213 and our WAN on .214. The /28 is 46.181.101.112/28. They are r...

Resolved! Cisco ASA multiple outside Interface

HiI hope you can help. I currently have a task of migrating to new ISP. We have a Cisco ASA 5508, (ASA 9.7), three interfaces - inside, DMZ and Outside. I need to migrate from the current ISP1 to two new service providers BT and TalkTalk. But i will ...

Resolved! Cisco ASA 9.8 setting up a nat using multiple ports

I am trying to setup a NAT for my video camera for outside access. I need multiple ports to be allowed. I would like to use services object groups for this. Please help. Camera 1 - 192.168.5.43 Camera 2 - 192.168.5.44 Camera 3 - 192.168.5.45 Ports...

Resolved! Block a public IP on Cisco 2900 router

How can I block a public IP (from Italy) on the Cisco 2900 router?

Firepower False Positive Intrusion Event - Possibly Incorrect Snort Rule 1:49040

Been getting some new intrusion events the past two days which I believe are false positives; or atleast not a true indication of the exploit it is detecting. Digging into what is triggering the event I am thinking that the Snort rule implemented in ...

Upgrade ASA 5520 8.2 to newest version 9.1?

Hi All,I have two ASA 5520's version 8.2 in active/standby mode. I want to upgrade them both to the newest version.I know i can't directly upgrade to version 9.1. But can I jump straight to 8.4 then to 9.1? Do i have to upgrade 8.2 to 8.3 or worry ab...

Resolved! ASA Read only User

Hello Everyone,Can someon tell me the command for createing a user on an ASA 5500 running 7.2(3) that can only view the config but not make any changes?Thanks in advance! All replies rated

FMC network map no MAC addresses

Hi All, In FMC, when I look in the Hosts Network Map, it does not populate with any MAC address entries. Every host discovered, is there under the IP tree, and if you drill down into these the MAC is present in the host profile. How do I get it to ...

Cisco ASA 5525 Self-Signed Cert Expiry

When generating self-signed certs they default to 10yrs lifetime, is there a way to amend this on self-signed certs at all? I know can do a CSR and get that via a CA, but wanting to know if possible with a self-signed cert or not please, been searc...

Resolved! FTD with multiple context routed/transparent

Hello, Can FTD support multiple contexts, one where the mode is routed and the other where the mode is transparent? which version if possible? Thanks

Cisco ASA FTD vs Firepower. How to check type by CLI ?

HI all. I'm working on tools which will be automatically connect to Cisco devices using SSH.In https://www.cisco.com/c/en/us/td/docs/security/firepower/command_ref/b_Command_Reference_for_Firepower_Threat_Defense/using_the_FTD_CLI.pdf i have found th...

Network Security

Forum Posts

Resolved! SSL Cert revoked - cannot access FMC

ASA access-group and packet tracer behaviour

Resolved! Can we use FMC as a syslog server for managed sensors?

cannot see the message in logging of ASDM

Resolved! NAT Question

Resolved! Cisco ASA multiple outside Interface

Resolved! Cisco ASA 9.8 setting up a nat using multiple ports

Resolved! Block a public IP on Cisco 2900 router

Firepower False Positive Intrusion Event - Possibly Incorrect Snort Rule 1:49040

Upgrade ASA 5520 8.2 to newest version 9.1?

Resolved! ASA Read only User

FMC network map no MAC addresses

Cisco ASA 5525 Self-Signed Cert Expiry

Resolved! FTD with multiple context routed/transparent

Cisco ASA FTD vs Firepower. How to check type by CLI ?

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ASDM unable to login for v7.18(1)152

Logging Informational Configuration in Cisco ASA

ASA 5516X Memory (DRAM) Upgrade

2 FTD Interfaces in the same FMC security zone

SGT as destination in firewall rule