Network Security

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Snort and ISS have had a signature for this since 2005. Lots of other products appear to detect this as of 2005 as well. Where is the Cisco sig? I found a default disabled/retired sig, (3718-0, Windows .ANI File DoS), but it doesn't appear to work ...

mhellman by Level 7
  • 1007 Views
  • 5 replies
  • 0 Helpful votes

My network is very simple, like this: A DSL Modem is connected to a Cisco PIX 501 firewall/router, and a computer is connected to this firewall. Now this PIX 501 box has two interfaces: Inside (192.168.1.1) and the netwroked PC (192.168.1.2). The out...

otnj2ee by Level 1
  • 432 Views
  • 3 replies
  • 0 Helpful votes

What is the best defense against stealth scans of the network? I know this is a vague and open question.How do you prevent when signature detects a single TCP packet with none of the control bits, i.e. SYN, FIN, ACK, PSH, URG or RST flags set being ...

cplatt01 by Level 1
  • 811 Views
  • 4 replies
  • 0 Helpful votes

I dont know if this is the right forum for this problem but I hope someone here can help. I have a new virus/worm spreading across my network. It will first ping random addresses in any known subnets and then try to attack port tcp 1433, tcp 2967, ...

petrucci by Level 1
  • 559 Views
  • 2 replies
  • 0 Helpful votes

Can you advise if there is some way to determine why this particular CEF process on slot 2 is running at 75% while the rest appears to be around 30%? Cairo#sho ip cef resource Hardware resource allocation status summaryGreen (Normal), Yellow (Cautio...

Hello all,A question again !I have two PIX 515-E, one with UR licence and the other with FO licence only. Both serial cable (not really serial but you understand me) and ethernet cable are connected for the failover.Why?? Both are near. When I do a s...

fargier by Level 1
  • 642 Views
  • 3 replies
  • 0 Helpful votes

I am currently running a PIX 515e software version 7.1(1). I am currently using a 255.255.255.192 subnet for my public addresses for static NAT. I am running out of addresses and would like to add another block of IPs from my ISP. If they are unable...

gecko2207 by Level 1
  • 390 Views
  • 1 replies
  • 0 Helpful votes

Hello, i have a customer that has a CW LMS 2.6 managing more than 1000 equipments.He has enormous databases and the service level is very degraded.Is there any thing to do with the database to purge them or to depurate them????Thank you on advanced.

Hello-I have a 3000 series Concentrator. I am trying to set up a new Lan-to-Lan. The IKE Proposal I need to use will not show up in the drop down box in Configuration\Tunneling and Security\IPSec\LAN-to-LAN, all the rest of them do. If I go into C...

sethan by Level 1
  • 542 Views
  • 2 replies
  • 0 Helpful votes

So I noticed today all was not well with my 506. In doing some routine maintenance on our network, I was told external connections to both the SMTP and FTP servers were getting 'scrambled'.The outside interface of our 506 is connected to our ISP prov...

Hi,we have recently purchased an ASA5510 with AIP SSM module. I keep trying to login to the card with the "session 1" command but I get the bellow error when trying to change the default login password:login: ciscoPassword:You are required to change ...

banajahms by Level 1
  • 1658 Views
  • 2 replies
  • 0 Helpful votes