Network Security

Hi, I've got a question regarding how an ASA handles GARP requests from a host when ProxyARP is configured on a particular interface.If an ASA receives a GARP request from a VM on its inside interface and the ASA is configured with "no sysopt noproxy...

Hi, Regarding the recent vulnerabilities for apache log4j, understand that cisco has release several SID (https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd) to detect the exploitation attempts. Howev...

Hey all,  i have a customer (small business) without a static external IP adress. They use a VoIP solution with an internal appliance and i have to forward some ports and a port range to the VoIP device. I use a Firepower 1010 with ASA 9.16 What i ha...

Hello, Recently we have configured 802.1x on one of the C9200L switches with IOS version 17.03.04b. After implementing 802.1x on ports we are facing issues related to VoIP phones. Users are reporting issues with telephony, lag, no ringing just missed...

Dear community,  I have an FMC Virtual, which is stuck at "System Processes are starting, please wait.". I tried to manually restart the services, start tomcat etc, based on community suggestions, but non of them was able to start the services which ...

Hi all, I have an ASA5520-K8 on V 9.1(7)32 for my ISP firewall. I have routed through this ASA all traffic going towards a hosted PBX on the internet which comes from softphones.I have an internet interface and a transit interface (towards my gw)We h...

Hello, I'm trying to configure Remote Access VPN IP assignment via DHCP Server. I use this article - https://www.cisco.com/c/en/us/support/docs/security/anyconnect-secure-mobility-client/215854-configure-anyconnect-vpn-client-on-ftd.pdf but not works...

We have a ASAv10 in our environment which is connected to the SVI created on Nexus 7K. The ASAv10 gives 1Gbps bandwidth by default.We want to set the speed to 100 for our customer as they are paying only for 100Mbps BW. Is there a way to configure it...

Hi, Does anyone know of a way to create an alert in solarwinds for when two ASA's swap to Secondary active instead of Primary active? Thank you

Hello Guy, How to configure the cisco Asa so that all data traffic from the clients is routed through the existing cisco Asa firewall ? A fritzbox is currently the default gateway. In addition, an existing mail server should also be hung behind the c...

Hey all,  i have a customer (small business) without a static external IP adress. They use a VoIP solution with an internal appliance and i have to forward some ports and a port range to the VoIP device.  Using a public server did not work as it need...

Hello.We use "Start Before Login" SBL for Cisco Anyconnect 4.9 client.After doing some tests, SBL have memorised the address of our VPN concentrator.We try to uninstall Cisco Anyconnect and all componments, delete files in C:\ProgramData\Cisco\Cisco ...