Network Security

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Cisco CyberSecurity

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I have a FMC and HA FTD on HA mode version 7.3.1for both. The DNs server is connected via INSIDE interface only. The Firepower can ping the DNS server as shown below, but the DNS is failed. I configured the DNS and domainsearch. The DNS is not resolv...

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Does anyone know if it would be possible to enter an IP somewhere in FMC and see how it would react to it? I am wondering if it is possible to simulate a user accessing an IP address or address range. I have been given a list of IPs from a vendor tha...

ryders1 by Level 1
  • 1723 Views
  • 5 replies
  • 1 Helpful votes

My configurations are there  But I cant , ping to the internet from inside network, please help    Fr1# show running-config: Saved :: Serial Number: xxx: Hardware: ASA5525, 8192 MB RAM, CPU Lynnfield 2400 MHz, 1 CPU (4 cores):ASA Version 9.12(4)56!ho...

Hello Brothers, I have a query regarding the FTP connections behaviour in Cisco FTDs. We have allowed TCP/21 (& few others TCP/80, TCP/443, TCP/22) in a rule from a specific source to destination for FTP traffic. But after allowing this TCP/21, I can...

HelloI'm trying to establish a IPSEC tunnel between FTD 2130 and Umbrella SIG either using Policy Base our Routing Base tunnels, and neither of them are working for me. My FTD is on code 7.0.1.1I am seeing on Umbrella documentation that their is no m...

Marc0 by Level 1
  • 2598 Views
  • 8 replies
  • 0 Helpful votes

Hello CISCO Community I wanted to ask what SIEM (Security Information and Event Management) software they use aside from 'Splunk'? that works well with CISCO networking product  

yafaa1993 by Level 1
  • 399 Views
  • 1 replies
  • 0 Helpful votes

Hi. I try to upgrade my cisco catalyst 3850 from ios xe 3.3.6e to 16.3.9. But i have this issue and switch doesn’t boot.  Bootable image at @ ram:0x53430388Bootable image segment 0 address range [0x81100000, 0x81b8adc0] is in range [0x80180000, 0x900...

Raminkn20 by Level 1
  • 866 Views
  • 7 replies
  • 0 Helpful votes