I have discovered that the Cisco ASA5505 we are using for a firewall is granting a dynamic arp to an SMC router on the outside interface which has access to the internet. The IP address is not that of the single IP granted for the outside interface t...

How concerned should I be on SSH attacks on port 22 on my outside interface which currently has the implicit ACL rule to deny any traffic from the outside interface to the outside interface?I have noticed that this attack seems to start at 4 am in th...

To all:As a person just starting to use the Cisco ASA5505, I am trying to make sense of all the level 2 (critical) and level 3 (error) messages that are showing up in the log buffer.  However when I posted asking about the seriousness of these messag...

Now that I have the ASA5505 up and running, the log buffer is filling up with critical level 2 messages, such as below:2|Feb 23 2010|09:43:14|106001|207.46.236.175|173.8.218.60|Inbound TCP connection denied from 207.46.236.175/80 to 173.8.218.60/1719...