Network Security

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Hi, I have dns server (windows only )  which forward  the request to an open resolver ,suddenly it does not resolve  the  dns requestes . So the client (resolver) get  timed out  message when try to resolve  Here is the dns related  information on th...

elite2010 by Level 6
  • 5381 Views
  • 11 replies
  • 0 Helpful votes

Hi, Recently process some security audit with using hping3 procedure icmp flood attack > hping3 -1 --flood aaa.bbb.ccc.ddd HPING aaa.bbb.ccc.ddd (eth0 aaa.bbb.ccc.ddd): icmp mode set, 28 headers + 0 data byteshping in flood mode, no replies will be s...

Machi Ma by Level 3
  • 1259 Views
  • 0 replies
  • 0 Helpful votes

Cisco ASA Input Validation File Injection Vulnerability https://bst.cloudapps.cisco.com/bugsearch/bug/CSCva38556 Below is my device details: This platform has an ASA5585-SSP-20 VPN Premium license.Serial Number: JAD173301HM Cisco Adaptive Security Ap...

zen-tek.tan by Community Member
  • 1545 Views
  • 4 replies
  • 0 Helpful votes

Hello, This is my goal: Inside users send DNS request onto any public DNS (Google, Comcast etc.) I want to catch it and redirect to my local DNS server. Let's say 192.168.99.12 I have ASA with code 9.6

Dear All Friends, I;m facing some problem configuring my ASA 5516-X. I have configured LAN and DMZ Zone. Both network going to internet as usually but when I'm trying to go DMZ to LAN it is working fine but when I am trying to go LAN to DMZ it is not...

Hi, if we dont'have open resolver  like 8.8.8.8 and  we  our dns server just work as a forwarder , enabling dns guard will help ? Thanks

elite2010 by Level 6
  • 7348 Views
  • 1 replies
  • 0 Helpful votes