Network Security

Hello - I have an ASA as our external firewall. I have enabled basic threat detection and scanning threat detection. Given that I cannot seem to get the shun mechanism to work properly, I have configured it as strictly as possible (monitoring window ...

"helloIs there any difference between arp poisoning and spoofing"Regards,Vamsi Pinnaka

We run a pair of ASA's with a Botnet license.  Recently (like this week) I have been noticing an increase of dynamic filter alerts for IP 65.55.239.168.  This is a registered Microsoft IP, which makes me suspect that someone is running possibly a DNS...

Hi Folks1)I Have minimum ram 512 and i receive the below msg when i issue the sh versioncritical system features will not function properly. its look like what?2)Failover                       : Active/Active  perpetualwhat is the perpetual, mean?

How many concurrent SIP channels should I expect to be able to make through a PIX firewall?We currently have a PIX 515 with the SIP fixup enabled.it worked fine for a low volume of traffic, but once we got to around 400-500 concurrent SIP calls the P...

We are looking at getting a pair of ASA firewalls (probably 5510s) with IPS modules.  I plan to configure them in active/standby as our throughput needs don't exceed the capacity of a single 5510.  Currently we are running a pair of PIX515(non-E) in ...

Ok, so I ran across this message while trying to TFTP an update to a 5505 ASA. %Error reading tftp://10.10.10.10/asa823-k8.bin (Unauthorized client.)Now at first this was very confusing for me.  I will save you guys the long and drawn out details.  T...

Hi FolksHow to verify on the asa 5510 , the vpn-idle timeout,is running on default setting(30mts)

Under the System area on my FWSM module i run the sh disk: command. At the end I get error message "File Allocation Table might be corrupted, Recommend running fsck dsik:Has anyone run this command on a FWSM Module. can it be run during normal operat...

Dear all ,We have got site to site VPN configured between local site with PIX515 6.3(5) and remote site with ASA 5505 7.2(4) . Because of very unreliable internet connection in remote site , we have added new ISP link  which we want to use as redunda...

i have download plug in from http://properjavardp.sourgeforce.netwhile impoting to ASA5510 it giving error(both ASDM adn TFTP). pl help

Hi FolksI Used the the packet tracer command line interface, i have seen the below line,what is mean?Drop-reason: (sp-security-failed) Slowpath security checks failed