Network Security

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Hi All,     Apologies as this has been mentioned numerous times before but can anyone point me to a specific resolution for this issue we have?   Our web proxies are connecting to OpenDNS on UDP 53 and our firewalls are configured to let this traffic...

Hi. I'm trying to establish a VPN tunnel with another site but I need to NAT my internal IP so as to not conflict with any of their subnets. Below is an example:My Subnet: 10.50.50.0/24NAT To: 172.17.50.0/24 Would anyone have any short instructions o...

I have a spare 5506w that I am looking to use as an IDS sensor in my environment. We already own a SourceFire license for this box. What I'm looking to do is configure a SPAN port on my 5ks, have the 5506 monitor traffic and report back to my defense...

Travis Marzo by Community Member
  • 1802 Views
  • 4 replies
  • 0 Helpful votes

Cisco just recently releases security updates for ASA due to number of vulnerabilities (See below). We don't provide any DNS, DHCP or VPN services in our ASA but our software image is listed as affected. Do we really need to upgrade the code? How can...

aespanola by Visitor
  • 689 Views
  • 2 replies
  • 0 Helpful votes

In Cisco ASA Active/Standby State-full  Failover, what is the difference B/W Failover LAN link and Statefull Failover link.I understood how to configure.also we can use  both LAN & STATE link  as a single Interface, for best practice use as separate ...

Hello Experts,I want to block access to a website which is running on multiple IP addresses (changes every time) but keep the following points in account:a) I'm using ASA 5505 and other Cisco switchesb) I don't have any content filters like Websense ...

Samrat Bose by Frequent Visitor
  • 1539 Views
  • 1 replies
  • 0 Helpful votes

Hi Everyone,We have server with public IP and users from outside internet need access to it.On firewall outside interface i config the ACL to allow access to server on certain ports.For traffic back from the server i need to config the NATOutside int...

mahesh18 by Level 7
  • 1051 Views
  • 5 replies
  • 0 Helpful votes

Good day all, I'm in a bit of a pickle.We have a new 5585X running ASA  9.1(6)6 with ASDM 7.4(2) in HA configuration.It's working fine for our normal traffic and I have it passing log files from the DMZ to the log server; however, trying to get a DMZ...