Network Security

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Cisco CyberSecurity

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Hello,I am having an issue where ICMP "Unreachable, need to fragment" packets sent by the ASA are not delivered, apparently due to asymmetric NAT rules, when communicating over IPsec VPN. The device is a new Cisco ASA 5510 with Security Plus, running...

Hi,I have an ASA 5540 , how can i block softwares like TeamViewer , VPN Adapters like Hamachi and all.Also , I have tried URL Blocking but i suppose ASA supports only HTTP url block and not HTTPS.

aryarahul by Level 1
  • 502 Views
  • 1 replies
  • 0 Helpful votes

Can i enable full vpn acces via my cisco asa5505 with only the ssl-vpn?   I dont mind having to download a small java client to give me full-access to the network  but  I dont want to install a client on the local machine.  is this possible and if so...

Hi,     One of our hospitals keeps reporting that their internet is going out for a while than comes back up, sometimes they even have to reset the ISP modem for this it to work again. I upgraded and switched ISP to Time Warner Cable and figured it w...

Nick C. by Level 1
  • 2063 Views
  • 3 replies
  • 0 Helpful votes

We just installed Botnet on our ASA firewalls.  Is there a way to have the botnet logs forwarded to email?  I've looked through all the settings and can't seem to find anything.  Thanks for the help.

Hi,I have two ASA 5510, The one which I just got shows the CPU speed to be 1599MHz While the previous device (which is also 5510) reads the CPU as 1600MHzAccording to Cisco, for Failover redundant configuration, both devices must have same hardware c...

eng.bader by Level 1
  • 491 Views
  • 1 replies
  • 0 Helpful votes

hi all,i am having cisco asa 5520 with internet having public ip and cisco 2911 with mpls link in my office .. the mpls link is between my HO and my branchi am putting my webserver in the branch side i want to port forward one of my publicip in my of...

zeuscyril by Level 4
  • 1540 Views
  • 3 replies
  • 0 Helpful votes

This is a brand new config, there's nothing on it.  I'm just trying to get packets to reach it, but it says it's being denied:%ASA-3-710003: TCP access denied by ACL from 72.201.89.xx/23910 to outside:64.38.xxx.xx/80I don't have a web server running ...

tylerhall by Level 1
  • 616 Views
  • 2 replies
  • 0 Helpful votes

Dear all,I am facing an issue , which needs your valuable support. As per the  attached diagram , remote users are getting ip address 192.168.2.x , internal IP = 192.168.1.x , DMZ ip = 172.16.1.x and 10.0.0.x network is accessed via router connected ...

jibsoni by Level 1
  • 1350 Views
  • 5 replies
  • 0 Helpful votes
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