Network Security

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Cisco CyberSecurity

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Resolved! ASA rpf-check DROP

Hi,Since a day ago or so I managed to somehow break all my forwarded ports. The error is "rpf-check", as if the packet would take a different way out but I fail to see how that could be the case. Can anyone share som insight in this?# my ext-ip and i...

3moloz123 by Level 1
  • 46348 Views
  • 5 replies
  • 0 Helpful votes

hello everyone,I've got a ASA 5550 firewall interface failover issue.Please take a look at the attached file.when I shut down the inside interface Gi 1/1 of the left firewall(Active firewall),It failed to failover.but when I shut down the Gi 1/12 of ...

For those of you who may have not seen this yet, please note the older 5500 models of ASA (except the 5505) are ending sales later this year. Per standard Cisco policy, support will continue to be available for 5 years after End of Sales.Announcement...

Hello, I'm testing out VSG, and I'm having a strange problem. After integrating vCenter with VNMC I see the ESX hosts that exist on vCenter on VNMC ResourceManagement>Resources>VirtualMachines, but I cannot see any of the VM's that exist on on each o...

Hi guys, I am not able to access asdm via my browser. All is setup correctly that I can see. Here is my configASA Version 8.6(1)2!hostname DFB-ASAenable password YWZBogZjbyvTSYf1 encryptedpasswd YWZBogZjbyvTSYf1 encryptednames!interface GigabitEthern...

ccarter81 by Level 1
  • 2854 Views
  • 3 replies
  • 0 Helpful votes

Resolved! Two tier firewall

Hi ,I have to configuration for data center network with two tier firewall.Our data centre will DMZ server and Microsoft Lync Server.Server team advise me to put DMZ servers between two firewall.So I need to NAT on front end firewall with DMZ LAN and...

aung.htwe by Level 1
  • 1826 Views
  • 10 replies
  • 0 Helpful votes

I just received 2 brand new Cisco 5525-X (OS 8.6).  I am unable to get any response when I browse to the https://192.168.1.1/Admin and http://192.168.1.1/Admin to pull up the ADSM.  I can connect via serial and do SHOW RUN and all of the command via ...

EricKnorr by Level 1
  • 1964 Views
  • 3 replies
  • 0 Helpful votes

We have a server that sits in the DMZ.  We need to allow users from the Outside interface to access it on the DMZ.  The server on the DMZ will need to access a server on the Inside network.  Is there a special way to configure that or just standard N...

brentz by Level 1
  • 235 Views
  • 1 replies
  • 0 Helpful votes
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