Network Security

Hi guys,I am using a squid proxy behind an ASA5520 firewall to collect the users to the internet. Squid is just necessary to log what is going on in order to find a quick solution when the internet slows down.Considering that I have unlimited license...

Firmware asa805-k8 was installed and saved on an ASA5505. Upon power failure the ASA5505 reverts to an older firmware, asa724-k8. 1) Is it normal for ASA5505's to revert to older version upon power failure.  2) ASDM/web browser doesn't work using IE-...

I am changing out a Cisci 5505 for a 5510, however i am having issue with the vlansWith the 5505 in place eveything was working well, upgraded to a 5510The devices behind the FW on the 192.168.x.x network can no longer communicate.THe configs are bas...

Hi Experts,I am facing memory utilization problem in my ASA firewall (ASA 5520) with 512mb memory and 256mb flash, suddenly the memory utilization reached around 80%.After analyzing the issue we found more idle sessions (around 10000) and the same ha...

Hi,We just changed ISPs and now have a /29 routed subnet to be used on our ASA 5510 (8.4) instead of the one public ip we had before.There are a couple of PAT translations that were previously setup on the "interface" address which i now want to assi...

Hello,I have tried the below configuration to block the P2P traffic.But still the users can download using utorrent client. How do I effectively block all the P2P traffic. Please help.Class Mapclass-map type inspect match-any ALL-P2P-PROTOCOLSmatch p...

I am running the SSM-10 off of an ASA 5510. While using the IME application, no data shows up under any gadget and I get the meeesage "No Data available to display" at each gadget. The gadgets that are showing this are Top signatures, Top attackers, ...

Hello, I'm having an issue allowing legitimate network traffic out. My ASA logs are filling up with: %ASA-4-419002: Duplicate TCP SYN from inside:192.168.1.41/xxxx to outside:172.16.1.215/xxxx with different initial sequence numberThe traffic is know...

Hello,I got following error message when login into IPS over IDM, after error is displayed IDM is closing.errSystemError-ct-sensorApp.463 not responding, please check system processes - The connect to the specified Io::ClientPipe failed.SSH login wor...

I'll have to check into the deetails again but I recall there being a way to change the listening port for SSH.  Not only do you have to configure SSH itself to listen on a new port but I think there was something about making the inbound interface p...