Network Security

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?

Hello everyone,I have a pix525e and users of the various interfaces (inside, dmz, inside1) go out on the Internet through a pool of public IP or by using the command ip static public static(inside, outside) internal_ip external_ip.as a matter of nece...

Hello,I have 2811 Series Router with C2800NM-ADVIPSERVICESK9-M), Version 12.4(20)Tmy config is :ETH1 : inside 192.168.1.10S0/0/0 : outside Encap PPP, outiside 41.12.110.165CBAC applied on S0/0/0 (inspect out)Inbound access list applied S0/0/0 to perm...

Hi there!I have been trying to establish a VPN connection between Windows 7 Ultimate client and Windows Server 2008.I am using L2TP over IPSEC and in the middle I have a Cisco ASA5505 with version 8.2(1).The ASA is doing NAT 1:1 and I have openned ud...