Network Security

Engage with peers and experts on network security topics such as Secure Firewall Threat Defense, Adaptive Security Appliance, Secure Firewall Management Center, and Security Cloud Control.
cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

“Join

 
Labels

Forum Posts

Hello all!   I have recently acquired a new block of CIDR IP addresses from my ISP and I don't understand how to get it setup.   WAN address: 68.x.x.232 WAN gateway: 68.x.x.225   CIDR network: 70.y.y.112/28 Usable addresses: 70.y.y.114 - .126   How d...

Hello, everybody,   I've tried to install FirePower image to ASA and got a strange error message after:   system install http://<HTTP_SERVER>/asasfr-5500x-boot-6.1.0-330.img   "Package header failed verification - 'Header magic number mismatch'"   Ho...

This is an odd one. From the sfr conolse i can ping intelligence.sourcefire.com , nslookup works as well also, but when I try telnet i get this; Failed to connect to intelligence.sourcefire.com port 443: No route to host When I try this command found...

vpresogna by Frequent Visitor
  • 9046 Views
  • 7 replies
  • 0 Helpful votes

Hi,  Looking for help. Our Windows network neighbourhood browser service will not communicate across our Nexus 5000.    This uses UDP 137 and 138. From searching online it appears that DHCP-relay on our Nexus doesn't forward this traffic like iOS cou...

ajstan by Visitor
  • 609 Views
  • 0 replies
  • 0 Helpful votes

Hi All,   I have a site on a common LAN - 192.168.33.0/24. They have an ASA 5505 (192168.33.5) connected to fiber that they want to be primary, and an 871 router (192.168.33.4) connected to MPLS they want to be backup. They have no layer 3 device beh...

I have setup two networks with pretty much the same configs and both are having an issue where the internet connection is dropping.  Can be a few hours or days before it drops.  At the moment I am sorting the issue by rebooting the firewall & Router ...

peat by Level 5
  • 4303 Views
  • 8 replies
  • 0 Helpful votes

I installed FMC from scratch at 6.0 (upgraded to 6.0.1). We originally tested on 5.4, and it included the remediation module for PIX Shun's, which from what I could tell, worked for ASA's as well.  With 6.0, it does not include the PIX Shun module. F...

awysocki by Visitor
  • 2068 Views
  • 5 replies
  • 0 Helpful votes

Hi Guys, I saw below configuration on Cisco ASA 9.1(7)16. The network object group is calling a service object group, is this a valid configuration? ====================================object-group service HTTPS_433 tcp port-object eq 433 object-grou...

I'm deploying IPS firepower 8120, the topology in internet segment: core switch -- mikrotik -- IPS Firepower -- WAN Optimizer -- Firewall -- Internet.Why in network map/host cannot discover host/ip address that throught the IPS? while in connection e...

dharma_pr by Frequent Visitor
  • 1793 Views
  • 4 replies
  • 0 Helpful votes

Hello All,   I have configured service policy rules on my ASA 5545 :   policy-map CONNS class AttackingTraffic inspect http HTTPDOS set connection conn-max 200000 embryonic-conn-max 10000 per-client-max 300 per-client-embryonic-max 20 set connection ...

mudasir05 by Level 4
  • 2145 Views
  • 4 replies
  • 0 Helpful votes
Review Cisco Networking for a $25 gift card