Network Security

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Resolved! Question

As I have muddled through setting up and working on a firewall, I have a couple questions:1. When you create a inbound (incoming) rule (for example permitting http traffic) from a lower security interface (DMZ) to a higher security interface (inside...

Hi all, I'm trying to use IOS Firewall on a 2811 router. I use 2 interfaces F0/0 as a WAN interface to internet and VLAN1 as a LAN interface.This is the configuration I'm trying: ip inspect name Firewall pop3ip inspect name Firewall imap3interface vl...

I have a general NAT question I hope you can help us with. We are converting from a large public ip address block (no NAT whatsoever) into a private address space using a combination of NAT / PAT, etc.I think the ASA can do this without issue (versi...

Hi there!, I'd like to know if anybody has the same problem that i have, When I try to access my ASA using ASDM the process load until 100%, returns the message "Software updated completed" by the interface doesn't open. I try to reinstall the softew...

Hi, I have come to know that NAC and Wireless Controller need to be integreted in the same segment/LAN to work with wireless user as well as wired user. Can anyone tell me how does NAC works with wireless controller?

goutam_04 by Level 1
  • 616 Views
  • 3 replies
  • 0 Helpful votes

I have ASA 5540.i got ICMP request continuos on Inside network to firewall port.i want to know is there any attack or some ping from that server to firewall port.6|May 19 2009 15:54:37|302021: Teardown ICMP connection for faddr X.X.X.X/0 gaddr Y.Y.Y....

Resolved! ASA NAT issues

Hi.. We are having real problems trying to get NAT to work on our ASA. I have 2 problems.1. With the below config I cannot ping out to an internet address of though I can browse the internet?2. I cannot reach port 25 or any other Port. They are al...

Hi all I have firewall with three zones namely inside,outside and DMZ.On the DMZ we have webserver and static NAT is given on the firewall.From outside i can access the webserver using public IP.But from Inside i cannot access on Public IPs or any o...

anva12345 by Level 1
  • 560 Views
  • 5 replies
  • 0 Helpful votes

Hello,I don't find the info about what are the defaul connection parameters for ASA 8.0 or above when you don't define any Class-map. So For default connection which are the default value like:Max TCP/UDP connection & TimeoutsMax Embryonic Conn & Tim...

helenio by Level 1
  • 595 Views
  • 3 replies
  • 0 Helpful votes
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