Network Security

Hi all, I have a problem where my outside interface stops passing traffic and the only way to resolve the issue is to reload the ASA, the interface never is down it just stops passing traffic.The inside interface never stops allowing traffic to pass ...

Hello, Looking to replace an "all-in-one" type firewall (UTM/Firewall, SSL VPN) with a cisco product - the issue i'm running into is that we have multiple ISPs plus WAN and DMZ - overall more than 5 ports on mid-range ASA devices - and from what i re...

Recently I've started getting absolutely hundreds of protocol 41 deny alarms on my ASA firewall outside interface. These are flooding my syslog and making it hard to check for other issues that may be going on in our network.Most are from 94.245.121....

I have a transparent firewall (ASA) running 8.4 in a 10.1.0.0/24 subnet and I need to NAT anything entering the inside interface with a 10.x.x.x address to 192.168.1.2.. please can someone tell me the code to do thisThanks

I currently have two networks defined on different interfaces of my ASA 5510 on v8.3.  interface Ethernet0/1nameif insidesecurity-level 100ip address 10.100.1.250 255.255.255.0 !interface Ethernet0/2nameif inside1security-level 100ip address 10.100.2...

Dear SirsWe would like to configure some internet access route through remote site ISP gateway by using IPSec VPN tunnel. For the rest internet traffic keep using local ISP? Would you please teach me how to configure it?Hugo

Just fired up the botnet filter service on one of my ASA's today.  Seeing traffic that is tripping syslog message 338001 and 338002 where the recommended action is to use the dynamic-filter drop blacklist command.When I try to use this command, I get...

Hi,I am trying to find the best url filtering solution for our network.We have a ASA5520 with an ASA-SSM-10 module connected to a 30mb DIA. We are trying to cut access to a number of web sites.The experience I've had in the past when enabled the url ...

We just switched to a 5510 from a PIX 515 last evening, and the only things that are not working are any services from the outside to the inside.  Example: I am unable to connect to a RDP server on the inside from the outside.  I've been looking at t...

I was advised to repost this subject here, so giving it a try:Hello!Although I've seen similar discussions, I'd like to request help in my particular scenario.We have a data center with servers set up for different projects, some servers from partner...