Network Security

I'm working to set up Citrix netscalers with global server load balancing (gslb) across two different locations.  The default config on the netscalers when completed makes the two talk to each other over the internet over port TCP 3011.  When you cho...

Hi all, What is role of Sourcefire User Agent on Active Directory,(is it required?) When we connect Sourcefire defense center to AD, we need to create LDAP Connection  what exactly Ldap does in this Scenario Confusion between Defense center vs firepo...

I have the SFUA 2.2 agent installed on a Server2012R2 DC. I am able to see login and logoff events in Event Viewer on that server for my AD account.Everything looks good in the Agent UI and the I do not notice any errors in the logs. Also I can telne...

It appears that if I block a URL that is reached only via HTTPS (Facebook in this case) I cannot display an HTTP response that informs the user as to what happened, they just get a connection reset error. Is that a limitation of the URL filter or do ...

OK, this one has me stumped.  Trying to connect the client to work spaces, it needs access to port 4172 for TCP and UDP.  I have the Inside ACL allowing access to 4172, I see hits, I see the packet come in, but thats it.  I can't see if it is transla...

Having a lot of trouble with this...even with Advanced Services helping.  We are trying to put a guest anchor controller out off of a active/standby 5555-X pair, with a SourceFire 7150 appliance (TAP mode, just passing traffic) between.  TAC and AS s...

HelloHow to find sourcefire  lab on Cisco dcloud,I am not getting in Security section of dcloudI would like to know what is the requirement for access the lab, if i have cisco.com ID?

HiI am new to firewalls and was wondering if this will work. I have an internal FTP server where we copy files to and they automatically get sent to an external suppliers FTP server who's network sits on a separate interface on our asa using a public...

Need to know how to disable SSL V2,V3 and SSL RC4 and remove Poodle from sourcefire/Switch/ASA 550Switch: 3750Firewall: ASA 550Sourcefire: Model3D7110

We have Cisco Security Manager 4.8 running on Windows Server 2008 R2, recently we have conducted a scan on the server, and the following vulnerability has been reported  "TLS Diffie-Hellman Key Exchange Logjam Vulnerability". Note that we have exclud...

Hi Team, We have Two Switches 6509 as core for our one Customer and both the Switches have FWSM modules, as per architecture FWSM module of core-1 is active and FWSM module of Core-2 working as standby. We have scheduled Activity and  conducted  Powe...

Hi, I have a scenario wherein I have a ASA 5520 configured as active/standby.Unfortunately I'm still running version 7.2 of the ASA, what I wanted to do is to upgrade to at least version 8.4.I know I can upgrade it with zero downtime, but my question...