Network Security

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Forum Posts

Resolved! FTD and Management

I need a few clarifications a) I need to provide two Cisco Firepower 2100 Series in a HA par to customer and customer already has Firesight at his data center. I need to demonstrate this two firewalls first at my place without Firesight. Is it possib...

avilt by Participant
  • 4 replies
  • 0 Helpful votes

Resolved! ASA 5505 ROMMON after erase flash

I was trying to erase some bad test configs on my 5505 with a write erase, but all VLAN and Ethernet configs remained.  I hastily decided to do an erase flash.  No I'm stuck at a ROMMON prompt with no image found to boot I'm hoping I don't have to TF...

Possible CLDAP DDoS - But how is traffic coming from outside to inside with no open ports or NAT to pubic IP?

I noticed numerous amount of CLDAP traffic to one of my DC starting 3/17/20.   The device is a Firepower 1010 running FTD   The FTD has no open ports and only two NAT rules.  One rule for a site to site VPN and the other rule for devices fro...

CLDAP Traffic.png CLDAP Traffic from DC.png
dotran by Beginner
  • 5 replies
  • 0 Helpful votes

Migrating ACL Policy from ASA to FMC

Hi, I have a multi context ASA where in one of the context there are 7 subinterfaces... Due to a new business requirement 3 of those subinterfaces and related ACL has to be migrated to a FMC with new FTD Logical Device  Is there an automated way to m...

Secure_M10 by Beginner
  • 1 replies
  • 0 Helpful votes

ASA 5510 - Internet traffic stops working

HiI have an ASA that's only being used for AnyConnect a few days ago, at random, the clients will lose their connection to the ASA. When I have been able to catch the drops, from the FW I'm no longer able to ping out to anything external. The only wa...

jf1134 by Beginner
  • 5 replies
  • 0 Helpful votes

Cisco ASA 5540 Logging

Hi everybody, We would like that the system sends an email always when a user log in through telnet or console ASDM, also if any user make any change in the config and save it.  Some mails are arriving correctly but we want.  The config is this: smtp...

SupportAC by Beginner
  • 1 replies
  • 0 Helpful votes

ASA 5515 and VPN

Hello!I use AnyConnect  VPN Secure Mobility Client and ASA 5515 and faced with truble: only 10 or 20 people can establish VPN with this ASA and other people can't, they see error: "The vpn connection was terminated due to a loss of communication with...

FirePOWER Internet Traffic URLs

Hi, I have whitelisted microsoft patching URLs for windows activation but still its not working through FirePOWER.Even I removed whitelist and put destination any under URL ACP rules but still server cant get activated with microsoft. Is this stopped...

Fantas by Beginner
  • 3 replies
  • 0 Helpful votes
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