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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...
Can someone suggest the proper way to upgrade both the ASA and ASDM software on the Cisco ASA5505 at one time without getting into trouble like I just did?Here's what happened. I copied the asa821-k8.bin and asdm-621.bin files to flash memory, then ...
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...
Dear PK:I did some reading on my own regarding "Gratuitous ARP" and understand that now, but am having problems discovering how the ASA5505 learned the ARP, since apparently the "show mac" command is not available under the ASA 5505 software (I am us...
Yes, the "asdm image" command is the same in both versions.For some strange reason, the CLI terminal kept rejecting my repeated attempts, further more typing in the "help asdm" command showed that the "asdm image" cli was not enabled for some reason....
PK:As you can read from my 2 updates to my original post, I eventually got a solution working, but things weren't smooth sailing.To start, I did correctly figure out that the config software needs to point to the correct images, but did not.However w...