Network Security

I am seeing a lot on my INSIDE interface, from multiple IP's and all pointing to port 137, Could this be a DNS lookup issue? Frame drop:  Punt rate limit exceeded (punt-rate-limit)                               22096  Invalid encapsulation (invalid-e...

I have a Cisco ASA 5505 Firewall with version 8.0(3).  I am trying to allow an external network SSH access into an internal host.I am seriously struggling with this seemingly easy scenario. For protection I will use fake IP's - but here is what I wan...

Hi Everyone.I want to generate a ssh key on Catalyst WS-C4507R+E but the commande "crypto key...." does not work.Is anything required for that?

Hi all,I'm looking for some clarification in reference to trunking on an ASA.I have an ASA 5512-X with two 3750-X's connected to the inside and outside interfaces and I need to trunk between them. I can set up sub-interfaces and configure the correct...

Hello friends,Since I manage many ASA devices at the company I work where, I would like to get a tool to perform periodic and automatic configuration backups. I am just interested about the ASA configuration, don´t care about other modules. Does anyb...

folks We have a ASA with 5 interfaces installed (1 for outside and 4 for inside), at the minute only outside interface has ACLs configured and all the inside interfaces dont have any rules on them at all. I have been asked to configure some ACLs for ...

Hi,I'm trying to identify who is the source of several 733100 messages in my syslogs on an ASA 5520.  I have the following threat-detection configurations enabled: threat-detection basic-threatthreat-detection statisticsthreat-detection statistics tc...

Hello all,we have a Little Problem with our Public Subnets on our main Cisco ASA 5510.Following Situation: We get 2 different Subnets provided on the same Ethernet Switch from our Provider.Just like:- Subnet 1       11.11.11.0/28- Subnet 2        22....