Network Security

I need more eyes to review my situation.I have two ASA 5520 units, both running version 8.3(2) code.  Among many other uses, they have an IPSec tunnel between them to link office 1 and office 3 together.  Office 2 does exist, and is connected to a di...

                   Hi All,am I correct in asuming the following AClaccess-list inside_nonat_acl extended permit ip host 8.8.8.8 host 10.10.10.10permits all ip traffic from 8.8.8.8 to 10.10.10.10? I'm a litle confused because of the nonat syntax in th...

My SIP provider is not convinced that my ASA  and Edge Router is not altering the SIP packets.  On the ASA I've removed the inspect SIP, and H323, what else needs to be done to make the firewall not mess with the SIP Traffic. Packets are flowing in/o...

Hi,I have 2 asa 5540's configured in active/standby mode. Today i have unplugged one of the cable (not the failover cable), after that i noticed that roles got changed. i dont know how. below is the current status.asa# sh failover state              ...

Hi All,Running 8.2.  I have some firewalls on internal network to provide some segmenation and security for critical networks on the inside interface. See attachment. Clients on the inside interface will generate SSL requests for both internal addres...

     If asa finds the abnormal behavior, can set up and send email to administrative  mailbox?

We have a large corporate that requires a device capable of reverse proxy so the internet requests dont hit the production servers.Is anyone aware of a Cisco device that will do reverse proxy? I know the Web Application Firewall did but thats been di...

we have two ASA5520-AIP40-K8 in our office and we purchase IPS service for one only,  can we also update the signature of second device before purchasing additional IPS Services for second unit

we have two ASA5520-AIP40-K8 in our office and we purchase IPS service for one only,  can we also update the signature of second device before purchasing additional IPS Services for second unit.Please suggest me.

Hi,I want to configure multiple DHCP configuration on ASA 5505. Please assist me for same.I tried to create sub interface for different IP Pool but it was not configure on ASA 5505. is it possible to create subinterface on ASA 5505? ASA 5505 IOS vers...

We used the Botnet Filter in Single Context Mode for a long Time. Now we converted to multiple Context Mode and the Database is no longer updated. In the system Context I can See the update settings but when I try to update the result is always "no D...

Hi all i have in my network firewall ASA 5510 but the problem i cannot login to my firewall thru telnet or ssh even ASDM or bowser this is my configuration : ASA Version 8.2(5) !hostname Amco-ASAdomain-name amco.comenable password JSI3.TL9MINmP28U en...