Network Security

somebody knows like blocking protocols like skype with pix version 7.2.1.i know msn messenger or yahoo messenger can be blocked. but I need to blocked things like skype. thanks.

Hi,We recently bought a ASA 5520 with an additional Trend Micro CSC-SSM module. This module is now filtering our incoming email for spam and does a pretty good job at that. But I've got a question about its workings.In Exchange 2003 you have the opti...

Hello,How can I upgrade a FO only license firewall that is sitting on my desk from 6.3 to a higher version, since it will not allow me to ping anything. Do I do it from the console like you can on a router? Please help

Hi, My current pix firewall is running image vers. 3.6(3). I would like to have pix363.bin file as a backup. I can't get it any more from Cisco's download Center.Tanks for any help.

Clients connecting to yahoo mail at 217.12.10.252 via an http proxy server are triggering hundreds of events for Enhanced Metafile Buffer Overflow, id = 5694. Sig Version: S201Are others seeing the same? Is this false positive?

I realized that my pix was reset and I wonder if it was for a power problem or an internal error, how do I find that out?Is there a log memory inside it?

Hi all,I want to logging the information about VPN only, how to implement it?? Thanks in advance.

Out company's network is INTERNET >><< (public id)ROUTER(public ip) >><<(public ip)PIX(public ip) >><< (public ip) ISA2004 (private ip)And i want to implement the VPN on ISA2004, what configuration should I do on PIX ?? Thanks.

When I try login to the cisco IDS sensor 4215 I write the correct login and password but it doesn't login me to the prompt , instead it asks again for the login after displaying the disclaimer.-----------------------------------------sensor login: ci...

All,I am running a Pix 515 with 6.3 code. When the VPN Connection is established, the default gateway on the PC is the same as the IP Address on the PC. The VPN Connection is made on the Internet Line in and the Internet Traffic, would obviously be o...

Dear Support,Wondering if it is possible to run a gre tunnel between two asa 5510's.we have two sites connected via a les100 and running ospf to inject a default route at each site, and these are connected to 3750 emi switches which also run ospf.wha...

I have several new ASA-5520 boxes. All are configured with version 7.06 (Cisco recomendation) and in active/standby configuration.The problem is that the ACLs seem to disapear. For example; I have an outside access list that have about 20 lines. Ever...

Hello,I have several site-to-site IPSEC VPN tunnels(using pre-shared keys) built from several 3640's(using FastEthernet) running IOS 12.2-17 to a VPN 7140 agragate(Also via FastEthernet) running IOS 12.2-15.T8. All has worked well for years. I am now...