Network Security

Hi all,I have a weird problem, when I am using the whitelist/blacklist on a specific zone on the Zone Based Firewall, I have a boot time of 8 minutes prior to be able to log on the router using the console port. If I remove the url-filter, the boot t...

Hi All,I am running FWSM 4.0.(5) and activated sysopt np completion-unit. After that shows ASDM 6.2(2)F Home/Traffic status/connection per second status numbers between 0 and 5000 in every poll. Before, the numbers was stabile.The graph for outside i...

We need to block traffic coming from interface X to Interface Y on ASA with IOS 7.2(4)33.Lets say, 10.10.10.0/24 coming from Interface/zone X needs to communicate to 192.168.1.0/24 which resides on interface/zone Y (there are other subnets residing i...

HelloI am having a problem with some users not being able to get to the internet. From the firewall logs, I can see that the connection goes out, but the connection from the website back in is being blocked. I have checked the Security Rules and they...

Hi All,I am having Cisco ASA 5510 Firewall in my office. I have configured Remote Site VPN Sucessfully. To Connect to network i am using Cisco Client 5.0.06.I Entered Host IP As Outside Interface of Firewall. I am able to connect, Then the Username &...

Guys,This is a problem I face lately , that my FWs are simply freezing when I do a capture on the inside interface.I was not really able to find to much about this problem.I have 4 l2l tunnels running on the FWs , but the traffic never exceeds 600pkt...

Anyone knows how I can configure sip over tls (port 5061) on the FWSM where the fw module can open up the (S)RTP udp ports between the voice/video clients dynamically as a result of the SDP negotiation in the SIP session?

Hi all,i have a problem with my ASA 5520 in Multiple context mode.we have 4 context running, the management interface vlan 999 is on every context with different IP's configured and work fine.Today i added the VPN vlan 2001 to the context d and the w...

Hi allA while back I had a problem with using active ftp trough our ASA 5510.Thanks to he help on this forum, the problem got solved.Topic: https://supportforums.cisco.com/thread/2053280Now active ftp works fine, but now we are not able to use RDP to...

HelloI am using Cisco Security Manager v3.3.0 and FWSM 3.1(7)Does anyone know the best way to nat all addresses behind the outside interface IP only, for example:Source          10.10.10.0/24Destination     10.20.20.1Outside Int     10.20.20.250I wou...

Hi,I need a little assistance here...I'm trying to do multiple nats...The intent is to nat traffic inbound to isolated/non-routable vlans to the vlan interface to give the appearance the traffic is within the same subnet to keep a couple hundred serv...

Microsoft Security Advisory (2269637)Insecure Library Loading Could Allow Remote Code  ExecutionThis  vulnerability came out in August and is there a signature that will cover this in the ips and if not is there an idea if one is being reviewed?