Network Security

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I have a ASA 5510 with the CSC10 module and I also have a second 5510 without the CSC10 but with the Security Plus license. I know that I at least need to add the security plus license on the 5510 that has the CSC10 module but since the specs say li...

mwkirk by Level 1
  • 796 Views
  • 1 replies
  • 0 Helpful votes

I'm going to be implementing a new pair of 5510s as replacements for our 515s. The 515s are running 7.1(2). The ASAs came with 7.0(6) but I'll be upgrading those to a release higher than our PIXs before I implement them.We use failover, remote-access...

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
  • 1078 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
  • 463 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
  • 904 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
  • 634 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
  • 715 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
  • 431 Views
  • 1 replies
  • 0 Helpful votes
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