Network Security

Ok, so I have a question and no lab... I have a dmz segment on my ASA and its 10.10.25.0 for example. I have a PC that I need to advertise in to this segment and I don't want to advertise it as itself, and I don't want to advertise it as something on...

Hi,I have many FWs  managed by CSM 3.3.1 SP1. Number of rules on each firewall ranges from hundreds up-to more than 30 thousands of lines as summation for all active ACLs on the FW. After start using CSM to manage these Firewalls, recently we noticed...

Currently running 8.2 on ASA 5540, multi-context mode and active-active failover. What would be correct steps/procedure to upgrade this firewall to version 8.3?I am concern about multi-context modes and failover issues.Thanks

Hi,How do you define ftps service?   tcp/989, tcp/990 and tcp/20, plus service policy inspection ftp?Any help would be appreciated.

Hi,We just wanted to use CSM 4.0.1 to change ACS Server keyword on a FWSM 3.2(5) but in the transcript I see how he removes the key and then the next statement is to add a 127.0.0.1 ACS Server that I have never defined and that failes because the con...

I have just purchased 2 x 3650 cisco switches which will sit alongside the 2 x ASA 5510's i have installed.Ok issue is i only have a single inbound internet connection and as I am implementing  VLAN's on the switches have created one for the external...

I'm having no buffer and overuns errorsin 2 giga interfaces568612690628 packets input, 356568347548892 bytes, 104287727 no buffer    Received 1032492130 broadcasts, 0 runts, 0 giants    0 input errors, 0 CRC, 0 frame, 33255019 overrun, 0 ignored, 0 a...

Hi,I have come across strange issue with ASA failover.  The ASA software version does not matter whether 7.2x or 8.x.  The issue is that if there is an ASA failover pair at one site having a tunnel to a remote site (ASA or cisco router) sometimes the...

We have some ASA 5510. Because of the update to version 8.2 we upgraded our memory from 256 MB (original) to 512 with the memory upgrade kit from Cisco. Now the new version 8.3 requires again a memory upgrade of 1 GB.So the question is, what is the m...

Hi,we are in process of upgrading our ASAs to 8.3; multi-context mode is used and wondering is there any gotchas when upgrading multi-context mode to IOS ver 8.3?I know there are some changes how nat and ACL are configured in ver 8.3 but could not fi...