Network Security

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I am replacing a 5550 ASA on my home network with a Firepower 1120.  I manually added the interfaces and such using similar naming conventions on the 5550.  When I mouse over 1/1 I see the message box stating "Gateway cannot be reached through port E...

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  Firepower 4110 created alarms: Ntp Configuration failed, please check the error message in Ntp host - Fault Code: 1661 checked NTP:NTP Overall Time-Sync Status: Time Synchronized So anybody can help what does fault code -1661 mean and what's soluti...

John.Wu2 by Community Member
  • 1806 Views
  • 2 replies
  • 0 Helpful votes

I have a perculiar problem with Cisco ASA that I have been trying to resolve for many days but I cannot even find the root cause. I have a network as seen in the diagram below. I cannot establish pings between these two LAN segments.    See output of...

ASA.PNG
Instate by Community Member
  • 1450 Views
  • 4 replies
  • 0 Helpful votes

Hi everyone I diable some sub-interface in FTD 2120 and deploy the config from FMC. unfortunately the communication between FMC and FTD going through that interface. how can enable sub-interface from fxos/expert mode or roll back the config to the la...

Hello guys, I am having issues with ASA Firewall dropping packets coming from outside, which is from another network. I did config the Outside port ACL to allow tcp port 80 to pass through but it kept dropping the packets. Do you guys know why? Pleas...

john14 by Visitor
  • 2069 Views
  • 1 replies
  • 0 Helpful votes

Hi,    I have 2 Firepower 41xx managed by a vFMC.All time and timezone settings are configured fine on FCM, FMC and FTDs, but vFMC dashboard on Analysis-Connections-Events I see immediately the log session, but with 5 minutes before of time logging. ...

Maurlai by Level 2
  • 2360 Views
  • 4 replies
  • 0 Helpful votes

we have the FMC (vmware),we chekc the OS health,found  that : tolal mem 8G ,  free mem only 226G ,swap mem 5072M   used  4624MCPU 98% idel the top 5 mem usage ismysql      18.5% java       5.6%hmil.pl   5.5%sftptop10cache  5%pruner.pl 3% is is normal...

jswjhl2003 by Community Member
  • 1795 Views
  • 3 replies
  • 0 Helpful votes
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