Other Security Subjects

Hopefully a quick one for everyone.Trying to split our network so certain subnets are behind a firewall and the others not scanned. Our current layout is as follows [GATEWAY ROUTER] | [ CAT 3550 ] | | | [2950] [2950] [295...

Hello, I have a internet proxy NATed to one public address with PAT. When i change this public @ to another one, some web site doesn't work. I use PIX firewall 515E V6.2. What's the matter ? Below the config of the PIX : Proxy Internet---->PIX------>...

We have enabled ISAKMP & IPSEC, between 1> Bangalore and Weehawkeen2> Pune and SilverSpring Its working fine. Now what we want is that in case of LA – Weehawkeen or Dallas – Silverspring link failure, the following should happen : 1> Traffic from B...

I am attempting to make a connection to our corporate MS Live Communications Server over a VPN session. I'm using Windows Messenger 5.0, and the TLS protocol (I believe the port number is 5061.) I'm using the VPN client v4.0.2 - connecting to a 303...

Does this signature detect the IE exploit found in:http://www.kb.cert.org/vuls/id/713878This vulnerability was originally posted June 9 but the media seems to have found it recently.

Hi all,i have modified the script to email events .Now i've upgraded to VMS 2.2, my sensors are still 3.1.e-mail continues to arrive but the variables in the script are null.is there a way to make this continue to work?here is my script:#############...

Are there any standard signatures to trap dabber? The worm probes on port 9898 http://www.lurhq.com/dabber.html

we are installing Cisco Security Agent (CSA) v4.x on windows machines in order to provide end-user protection and security. We would like to have the following functionality: If the Antivirus program installed on the user PC, or the Windows OS, are n...

I have a strange problem with GRE passthrough on an 827 router.Essentially the setup involves an 827H router:IOS (tm) C820 Software (C820-OY6-M), Version 12.2(4)YA4, with a windows 2000 VPN server behind it.This setup has been in place quite a while ...

Thank you in advance for any assistance. I am the only administrator for a small network. While adding some statements to the configuration, I noticed an unknown username. What should I do? Attached is a copy of the running config. Some additional...

I need advice on fixing a security problem. I have a network of Unix and Windows machines at home connected through a Linksys Cable/DSL router with firewall (model BEFSR41). Recently, so I could work from home, I added a company machine that connec...

Does DNS Guard inspect DNS queries on TCP/53? I was under the impression that it only inspected UDP as it is more susceptible to hijacking and DoS. My SMTP server does DNS queries on TCP/53. Is this safe - zone transfers etc?

I have several servers who's ip addresses need to be statically mapped through the pix. Their addresses fall right in the middle of my global pool. Will the pix adjust for the overlap and reseve those addresses out of the global or will I have a rout...

Hi,I have 2 PIX-ies 535 with configured failover and statefull failover.Someday failover occures at few minutes after 5:00 morning. It is still the same time. And I dont know reason.Network is not congested, syslog tells that still active lost power,...