Network Security

I have read at several places that after 8.3 you dont need NAT to communicate from Inside to DMZ ( High security Zone to Low Security Zone ) and Only Need ACL Permitting this communication. But for me it doesnt seems to be working. any help? 192.168...

Hello people I would appreciate if someone could have a look at my problem. We are currently running two ASA 5510 in an active/standby configuration. And today somewhat strange happened. Running firmware 841-11-k8 - planned to upgrade to 847-30-k8 ...

Hi, Can any one tell me how ASA will work in network? And Can you able to give me brief idea about ASA firewall? Pls reply on parth_shah2288@yahoo.co.in

Hi, I am in the process of evaluating FirePower on the ASA 5545-X.  My Scenareio is as such; I have Defence Centre VM installed.  2 x ASA 5545-X 1 x ASA FP configured on Primary ASA FP module was running factory boot image of 'asasfr-5500x-boot-5.3...

Dears , i installed exchange server behind asa and there is a problem that users cann't send any mail to specific domains hosted in specific ISP , ISP said that the solution is to turn off mailguard feature in firewall  my question is if this recom...

Hello all I'm running an ASA in transparent mode with several contexts. For simplicity lets assume I have two context, one for the 192.168.0.0/24 and one for the 192.168.1.0/24. The firewall rules are in the IN direction on the OUTSIDE interface. Out...

HI I have two cisco ASA 5545 that config as active-stnadby and there is two cisco 4510(with sup 7E) in downstream(inside zone of ASA) that config as active-standby(HSRP). now I want config two ASA's as a cluster and two 4510 as VSS. I read "BRKSEC-30...

Hi all, I have to make a lotus notes local server accessed by the external of our network. So, i did a public server from ASDM mapped from the local ip of the lotus notes to a public ip address. As, services permitted, i added http. But i can't acce...

I'm a bit stumped.  I have an ASA 5506-X (lab) that suddenly stopped permitting traffic through to my internal subnets.  When I run a packet trace, I get this, which stumps me because I've configured a rule to let the traffic through: RADAR# packet-...

Hi! I´m trying to find if someone already has upgraded a Cisco ASA 5545X configured as Active/Standby from version 9.1(5) to 9.4(2)11? which I saw on Cisco page marked as recomended.I´m thinking to apply this upgrade on next weekend, but I´m afraid s...

Can anyone knows what could be the reason of high ping latency, when I am pinging the ISP next hop router through cluster of ASAs and my inside interface on a cluster of cisco ASAs? When I leave one unit in a cluster of ASAs, ping is 1ms, when both u...

Migrating from 5505 to 5506-X and trying to set up FirePower. Have a full license, currently IPS and AMP in use. I get logging events from: - Blacklisted IP - security intelligence field - Malware detection But I can see no "intrusion prevention" (s...