Network Security

I have a Cisco Router 3825 with WEBVPN server and Reflexive access list Firewall. All is well but when i try from outside to go to WEBVPN server and try trought WEBVPN site to open some web Site it dosen`t work. For example when i try to open yahoo.c...

I have recently enabled IPS on Cisco 5510, after we are experiencing slow internet respond. We are sending all traffic to IPS for analysis. 

I have two cisco ASA5512-K9 firewall with 250 SSL VPN license . i bought two cisco ASA 5512-x security plus license for HA . did i also need to buy 250 SSL VPN license ?or i can directly install the ASA 5512-x security plus license , and then the fir...

Hello,  I wanted to find out what I needed to do to change the outside interface on an active/standby Cisco ASA? I will be migrating to anew public IP Address range. Do I need to turn off the failover and change the ip or can I change the IP on the p...

Hello guys,In next week's time Our company has decided to deploy Sourcefire box with the Core Firewall 5585X . At the moment Internal Firewall is running in Multiple Context mode. I am very new to Source Fire Could any one Please guide me what should...

I am trying to allow outside access to a piece of equipment behind our ASA 5505. The equipment has an internal IP like 10.x.x.x. I have placed the following in the ASA but it does not appear to work correctly. I am checking by Telnet to the public IP...

Hello,I have two Cisco 5510 and it is time to renew the support contract.Wondering if it's worth it or if it's time to upgrade to two new 5512-x instead?What are the major new features that are worth having? Today we have a pretty simple setup with a...

Hi:I have a cisco ASA 5515X with two WAN connections and one LAN connection.As far as I understand, I hace the firewall configured to allow SMTP traffic through WAN2 interface, but not through WAN1. However, I'm having trouble sending email because t...

 Hello All, I'm having an issue when attempting to apply a QoS policy to an interface. Basically I'm attempting to shape traffic at 9000000 and give priority to VoIP traffic. These are the commands I'm using. class-map ND-voice-classmatch dscp efpoli...

Hi my asa which is in production has been giving us issues for a while. It operate properly but then stops the flow of traffic. The interfaces stay up but the sites stops operation as I am no longer able to access service on that site. We are running...

hi all,just a quick question, i've got an internet facing firewall and when i do a trace, the first hop always displays *.is this an ISP doing icmp filtering or there's something i should configure on the ASA?ASA# traceroute 203.208.x.x source 111.20...

Hi,  I purchased this virtual appliance (CISCO FIRESIGHT MGT CENTER F/10DEV) with SmartNet to support two new Cisco ASA firewalls that I purchased on the same order. I received an email from Cisco with the license number.  I cannot find any instructi...

I am spinning up a new VDI environment in another subnet behind our ASA 5525. There are currently three internal subnets:inside 10.1.1.0 /24 security 100dmz 192.168.1.0 /24 security 50citrix 172.16.1.0 /24 security 100I have Citrix users connecting i...