Network Security

hi all,i have upgraded my ASA 5540 to ver 8.2.2 and the new asdm 6.5.2and i see a new tab called dropped packets rate.how can i see which machines are alerting?currently have 127 ACL dropped packets inspection dropped 0.also the possible scan and syn...

Hi Guys and Experters.Normaly I don't buy firewall to protect my dedicate server b/c i can lease from my hosting provider but now I moved my server to colocation near my place so i can have a hand on expericense.I have 3 ips address which i received ...

Hi,How can I allow only specific websites and block rest of internet in Cisco ASA firewall.Sine it is very small network, I am not preferring to implement URL filtering server (Web sense) along with ASA.Thanks in advance

Dear Sir/MadamWe have  cisoc sensro 4255 the OS version 2.4.30-IDS-smp-bigphys and virus update is Virus Update V1.4 .Please lt me know is there any upgrade avliable for the OS version and also the Virus version .Secondly the Cisco Intrusion Preventi...

I am implementing an IPS module in cisco ASA 5510 but i am unable to find any options to log the events/reports continuosly .Is there any options to schedule reporting ? Any cisco software can achive this ?Is this module use circular logginghow many ...

Dear All,we are using the IPS version 6.1(1)E1 (IPS-K9-6.1-1-E1) and the latest version of the signature update is S338.0on Cisco site it looks like for the signature updates S338 is the latest version but when i connect to my device the sensor healt...

Hello,I'm trying to get a NAC Guest server associated with an LDAP Server.I was able to get the NAC Manager working with the same parameters, but the Guest isn't working tough.My question is...where can I find useful logs about LDAP authentication wi...

Ok so for the past few week the 5510 firewall has been slowly leaking memory, about 1mb a day, it is a ticking timebomb! soon there will be no memory left and then theres trouble... There is 256 MB total, with roughly 70 mb free.Cisco Adaptive Securi...

Hi,Need to know the difference between, Source NAT and Destination NAT... My understanding is the Source NAT is No-NAT and destination NAT is the actual NAT.Also, there are two type of natting, one method is to map a group of IP addresses coming on i...

Hi every one,can i reimage my sensor with this image :IPS-4240-K9-sys-1.1-a-7.0-1-E3.imgmy idsm2 is in image 4.1 !!! now i dont want to upgrade it instead i want to completely reimage my sensor using above image.can i do this or i need image file for...

Hi,I have a IPS 4240 with software version 6.2(1)E3 running. Lately I've been having problems with low performance on this equipment due to high cpu utilization going to 100%. I need some troubleshooting tips or commands I can use to determine what i...

I have a security incident were someone is using putty to get around our internet filter.  What they are doing is tunneling through on port 8080 and 443 to an outside server that acts as a proxy.  I can't block port 8080 or 443 for this group of user...

I have gone through all the docs but cannot find any mention on how to set up a "reject" instead of the regular "deny" in an access rule.  I have some legacy Checkpoint Firewalls and want to migrate them over to some of my ASAs.  Some rules ont he Ch...

I just want to start a discussion on how some of us may be controllingweb access.  I have reviewed some of the ASA features such as outbound firewall authentication but it doesnot seem to scale and it does not seem to operate real well with multiple ...