Network Security

I've read other similar questions about implementing a Cisco NAC Appliance in an environment where each PC needs to have a static IP, but none of the other threads seemed to provide enough clarity on why this may or may not be a good idea.I am explor...

  Hello guy,Has someone the same problem ? i migrated form Symantec Antivirus version 10 to version 11 and my cisco NAC framework infrastructure stop work. Looking deep i found that Symantec posture plugin does not work with SEP 11. Do you know about...

Hello - I am not sure, but it appers a secure website we are attempting to attach to is inaccessible due to a rule on the FW.  When querying the 'URL Blocking Log' on the Trend CSC for a period of the last two days, I see two entries - both list 'HTT...

Hi,I was wondering if someone could help with an issue I am experiencing at the moment with IME events.I have two sensors (AIP-SSM-10's) installed with the lastest engine and signature versions, linking back to IME.  If I connect using IDM I can see ...

Our 3825 IOS firewall (v12.4T(23)) log buffer has been blowing up lately with the message:%FW-3-RESPONDER_WND_SCALE_INI_NO_SCALE: Dropping packet - Invalid Window Scale option for session 10.x.x.x:2215 to <external address>:80 [Initiator(flag 0,facto...

Hi there. I have a strange issue.I have a ASA 5505 with some clients behind it who connects to an offsite database.They run the application all day, but for longer periods of times, ie 1-2 hours they are idle in the application.When they start using ...

Hi,I am an AM. My team and i are planning to deploy a NAC POC. I request for help fo a test plan to guide us through. Could someone please assist us.Kindest regards,

I currently have a Pix 506 in place with a block of 5 ip addresses and so I'm able to have an outside interface address and an outgoing global ip address for NAT.My question is, I'm moving to Brazil and the ISP there is only going to give me 1 static...

HII an using ASA 5505 in my network. I have two ISP . I want to configure Daul ISP. So that when Primary goes down, Backup ISP can handle down time.But after whole Configration , when I put my primary ISP Down, Backup ISP external IP start pinging ou...

Our ASA5550 was croaking last night and eventually I figured out it was getting blasted by UDP SIP packets:                                       From IP             To IP1186    09:51:09.670894    58.61.157.139    149.137.1.150    SIP    Request: RE...

We are unable to get VPN passthrough to our SBS 2003 server.  Here is the design of our current network.Cable Modem - ASA5510 (outside)ASA5510 (inside) - DLINK wireless router (WAN) portDLINK - Catalyst 2960E switchSBS 2003 - switchI have addeed acce...

I will be using an ASA on a customer site as a simple failover of an IOS based router mpls provider path. The ASA will have its own vpn tunnel path via a cable modem to the main HQ site for just one branch.I wanted to automate the failover if the cus...

Hello Dears, Exchange 2010 comes with 3 servers,,  2 servers for internal network and  1  external network ..  External server with 2 NIC cards  1 in DMZ (external) that will  transfer mail to outside world  and 1 connected to core switch  (internal...