Network Security

I feel as though I've tried many options to get NATing and my ACLs to work correctly to provide external access to my internal security cam.I've included a layout of my network in hopes it can help.My internal to external is working fine and I can ro...

We get a lot of "Deny protocol reverse path check" log error messages from our Cisco ASA's to our QRadar SIEM related to IP Spoofing attacks from our Cisco ASA's. I've been reading up on this, and if I understand correctly, I can tune t...

Dear Allwe get a very slow throughput of ssh traffics for example SSH, SCP and SFTP through FWSM.i removed the inspection and test again, but nothing change, very slow performance.What are the reasons?thank you

Hi,I am running FWSM code 4.1(14) on a pair, The problem happened on a reload and translation stopped working. I did a 'clear xlate' but it made no difference. Removed and reinserted 'global' still no difference. Removed and re-inserted 'nat' , natti...

Hi Ciscoers.I'm now under ddos atack, so i need your help urgently.  Let me know how to stop it and apply protection to my ASA 5512-x.  To recover service i just can restart the ASA, but after 2 or 3 days it happens again.Thanks in advance. 

Hello I have an ASA 5585 with an outside interface with two subnets. The mgmt interface is the secondary interface. I have a certificate linked to the outside interface's primary ip address. When I ASDM to the ASA I get a dialog box telling me the ce...

HelloI have ASDM on the outside interface(not mgmt) and anyconnect license installed. Will I have a conflict?Thanks!Matt 

Need some minor assistance.  Looking for some documentation on routingWant to connect ISP  to Cisco router to Cisco ASA firewall to Cisco 3750 switch. Any assistance is appreciated.Dave

I have started the process of replacing our CX module with the SRF module and have faced an issue in the early going.  I have the Module loaded on the ASA, and the Defense Center VM installed and license files installed.  However, when I attempt to a...

Greeting's, I would like to start by apologizing as I would require hand-holding, given my lack of experience in Cisco (or any other switches). I have absolutely no knowledge in switch security management but I've been tasked with it given the shorta...

We are getting blacklisted every day because of traffic from our WAN IP to an External IP address.Since I have blocked the external IP address in an ACL, we aren't blacklisted anymore.In the ACL, I see the matches slowly increasing. But I don't see a...