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Cisco CyberSecurity

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Forum Readers,First, I understand that to have vlans on a 5510, you have to create subinterfaces and assign a vlan to each subinterface.With the 4-Port GE SSM though, is it possible to assign more than one port to the same vlan? I would want to do t...

Hello,We have a PIX 515e. PC's ranging from Windows XP to Windows Vista.Every one can connect fine bar one laptop. We have a new Dell Laptop running Vista Business SP1. Whenever this sales rep tries to connect it has an error 442 failed to enable vir...

Hi all. When i connect to my other office via vpn frm my main office i find that i have problem accessing my main office resources. I have a server server.abc.com which is located in my main office lan. But when i ping this server using host name ser...

donnie by Level 1
  • 280 Views
  • 1 replies
  • 0 Helpful votes

Today we have been getting numerous RPC WinNuke id=3345 version=S226 type=other created=20050318 alerts. The "attacker" has a private from a remote branch, going through LAN-LAN tunnel to the IPS to the active directory server, port 135. Is the atta...

saidfrh by Level 1
  • 1782 Views
  • 9 replies
  • 0 Helpful votes

Hello - I am trying to set up (for the first time) a simple DMZ on my PIX 515. Here is the DMZ layout. I have a PIX 515 connected to a 2950 switch that has one server (for now) that I need to have the world access a webpage on. I though I had it se...

Fundamental issue here - must be me - I have a laptop plugged into the inside interface of my pix firewall (Pix 501). I have set up an ACL to deny icmp echo and icmp echo-reply FROM the laptop address TO the ip address of the inside interface. I have...

peter-net by Level 1
  • 403 Views
  • 2 replies
  • 0 Helpful votes

I have a new customer running an ASA 5520 who runs videoconferences from inside to external sites and the reverse using H.323. Everything works fine until the conference is up for 2 hours, then without exception, whatever type of conference it is (i...

JimSJ by Level 4
  • 339 Views
  • 2 replies
  • 0 Helpful votes
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