Network Security

I am using Cisco ASA 5520, i need to block gtalk/gmail. We are using WebSense for filtering the URL but still gmail / gtalk doen't block as gmail can be open using https.If i block port 443 for the inside interface it gets blocked, but that we can't ...

Hi all,I've got a sip client that I know works fine (tested with another modem/firewall).Since moving my access across to a new 1812 I can no longer hold up a SIP session.The SIP device sits in a DMZ but according to the logs its still getting droppe...

Hi.I have a couple of FWSM Version 2.3 (4) in failover Active/standby, a few years ago when our service provider make an upgrade change the failover role and our Primary change to secondary, but something happend that we promoted the secondary as an ...

HI All ,                I have S2S paremeter in both asa device , when my intresting traffic is initated from site A to site B , I am getting Show crypto  isakmp sa as belowsite a (config)# sh crypto issite a (config)# sh crypto isakmp sa   Active SA...

Our firewall guy is in the hospitaland I got this project thrown at me.  We have a Pix 515 that does NAT for our network and we need to change our whole internal IPaddress scheme.  we are on 192.168.10.0 now and it needs ot move to something like 192...

Hi all,I have a 4 ACS server beside a FWSM, and i can´t reach one of these 4 server on port 61616 from outside the protected area. ACL are correctly in place. I have create a loopback with source IP in the switch the FWSM belongs and originate my tes...

Hey All,I have a strange issue in regards to our fwsm and an Oracle RAC deployment. See scenario below:FWSM in transparent mode running 3.2(10) code.Context name = backupinside interface = vlan 10 (security level 100) ****same addressing on both side...

Hi all,I would like to upgrade the asa version of my cisco asa 5510 from 7.2 to 8.x(latest version). Will this upgrade be smooth? Do i need to check to see if my entire configuration stay the same after upgrade? Anything to look for during this upgra...

One of my user have optonline account and i have configured his outlook.  He can able to recieve email but can't send out.  I have check with ISP if they are blocking the port and they said no.I have tried telnet... telnet mail.optonline.net 25 ...it...

Hello,This is my first time installing the CSM. I am reading the procedures and guidelines. As the procedure of course is to install the CSM software. After installing the CSM software, I think the next procedure is to add the devices to be managed.....