Network Security

Hello! I've a pair of ASA5585 running some dated version 9.2(3)4 . It's a failover cluster and we use interface monitoring. I wondered that on secondary one monitored interface was in state "Normal (Waiting)". I did an ICMP packet trace and found thi...

Hello, One customer asked me about a slight annoyance: When he selects multiple files under System - Tools - Backup/Restore and asks for deletion, a prompt appears. Customer confirms deletion, but finds that just one of the selected files is deleted,...

Hi,I have the below questions about OCSP responder server address resolution during client certificate validation (example: freeradius-server uses ocsp name server for certificate status check) 1. How are we resolving the OCSP responder IP address fr...

Hello, I have a C2911 with IOS Version 15.2 (4) M5, and I want to configure a VPN with AES-256-GCM encryption, but it does not appear in the configuration menu. 2029_BRivadavia_FD_1 (config-ikev2-proposition) #encryption? 3des 3DES aes-cbc-128 AES-CB...

We have been receiving some AAA failure login attempts from external IPs.  Both SSH and HTTPS to the outside interface is restricted to an external IP owned by myself so I cant work out how this could be the case. ASA version is 9.10

AS the subtitlethere is Someone in MY NETWORK Using netcutor selfishnet to Apply ARP Attack HOW to STOP him? three  days I'm suffering issues in my NetWork   FW is Fortigate Core Switch is 3850 Distribution Switch is 2960xAccess Switch is SG 200  Any...

We are currently looking at replacing our Meraki MX84 firewalls and are looking at the Cisco 1000 series.  I am fairly new to Cisco and would just like some feedback or recommendations.  We are a small business with about 50 people.  - currently have...

Hello, I am running a cisco FTD 1140 with system software version 6.4.0-102 using FDM to configure the device. Now i have an issue with subinterfaces, i have a Cisco 9500 connecting to the Cisco 1140 FTD with a trunk interface. On the switch i create...

Hello,I've the below logging configuration on my ASA FWlogging enablelogging trap debugginglogging asdm informationallogging facility 22logging host inside x.x.x.xBut I'm not able to see any logs related to the local users logins, I don't have AAA se...

 Hello Folks, I am having an issue where the SFR module inside of my Cisco ASA 5506-X is stuck in Recovery mode. I have tried all the steps on trying to bring it back to an "Up" status. However, its status will not change. Has anyone seen this type o...

Hello,I have Cisco ASA 5505 Firewall and I can connect to it via ASDM v 7.9, but the Wizards menu don't have VPN Wizard option listed on it!How can I activate or enable it ?

Hi,  I have enabled dot1x on one port with its authentication host-mode set to multi-host.Everytime the switch send EAP-Request I can see the EAP-Response acknowledged.But for 3 times the switch stop and re-send EAP-Request.In the 4th time the switch...

Hi, A customer is looking to renew their TMC license on a FPR2110. Which route is this going through?Renewing the existing TMC license or purchasing a new L-FPR2110T-TMC=?BRAndreas

 Configured an L2L VPN, but the ping fail.Can you see what's the problem??Please check the files