Network Security

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Hi,How can I allow only specific websites and block rest of internet in Cisco ASA firewall.Sine it is very small network, I am not preferring to implement URL filtering server (Web sense) along with ASA.Thanks in advance

k_vadivel by Level 1
  • 2172 Views
  • 13 replies
  • 0 Helpful votes

Dear Sir/MadamWe have  cisoc sensro 4255 the OS version 2.4.30-IDS-smp-bigphys and virus update is Virus Update V1.4 .Please lt me know is there any upgrade avliable for the OS version and also the Virus version .Secondly the Cisco Intrusion Preventi...

Hello,I'm trying to get a NAC Guest server associated with an LDAP Server.I was able to get the NAC Manager working with the same parameters, but the Guest isn't working tough.My question is...where can I find useful logs about LDAP authentication wi...

Dennis Leon by Cisco Employee
  • 638 Views
  • 1 replies
  • 0 Helpful votes

Hi,Need to know the difference between, Source NAT and Destination NAT... My understanding is the Source NAT is No-NAT and destination NAT is the actual NAT.Also, there are two type of natting, one method is to map a group of IP addresses coming on i...

Hi,I have a IPS 4240 with software version 6.2(1)E3 running. Lately I've been having problems with low performance on this equipment due to high cpu utilization going to 100%. I need some troubleshooting tips or commands I can use to determine what i...

I have a security incident were someone is using putty to get around our internet filter.  What they are doing is tunneling through on port 8080 and 443 to an outside server that acts as a proxy.  I can't block port 8080 or 443 for this group of user...

Hi,I am seeing Junk characters as seen when the Bits/sec is set wrongly.I am sure i am using the correct Line speed etc stuff, as the same console cable moved to another ASA works fine.Tried realoading the ASA to see if that helps but no luck.Any ide...

victor_87 by Level 1
  • 682 Views
  • 2 replies
  • 0 Helpful votes
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