Network Security

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I am wondering what level of ios prevents a christmas tree attack againt an isr.  I know this attack is old so i am assuming that current ios levels prevent this packet crafting attack but i am wondering what ios level it started in.  

mialbert by Level 3
  • 636 Views
  • 0 replies
  • 0 Helpful votes

Resolved! Routing issues

Good day,I am having an issue with our new ASA. The issue has to do with routing. I had this post in the routing forum but someone said it would better suited for the firewall forum. I am going to put the link to my original question and answers to t...

Hi all, we are facing the Ip spoofing issue and at time i was unable login to the firewall when spoofing was happend adn 121.241.249.101 and 28.29.30.31 are not my ips and anti spoofing has been enable in my firewall both inside and outside but we fa...

shivaram840 by Community Member
  • 757 Views
  • 1 replies
  • 0 Helpful votes

I am having trouble booting a cx image on a ASA 5512-X. The ASA is running 9.1.2, the cx software I am trying to boot is 9.1.2(29) and I get an error as per below:asacx-boot>system install https://www.xyz.com/s/g4xw7wbr8texoku/asacx-sys-9.1.2-29.pkg?...

benner10 by Community Member
  • 1116 Views
  • 4 replies
  • 0 Helpful votes

It is very interesting and tricky. ASA5520 has four 1Gbps interface but the box itself only support 450Mbps (According to datasheet). How to explain this? Does this mean if the interface receive 1Gbps traffic, then firewall will drop the packets? Tha...

guo6688 by Community Member
  • 12682 Views
  • 6 replies
  • 0 Helpful votes

Hi, Getting below error while trying to console CX module from ASA.HQ-JNM-ASA/act# session cxsc consoleERROR: An existing console session is in progress with module cxsc. Only one is allowed at any point in time. Have tried resolving the issue throug...