Network Security

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Hi there,I am using alias command to give access to a server via it's public IP address (the dns server returns a private one). The syntax is:alias (inside) 192.168.51.125 195.x.y.z 255.255.255.255This works great. However asdm doesn't like alias com...

dlumsden by Level 1
  • 1181 Views
  • 2 replies
  • 0 Helpful votes

Hi,I'm using an ASA5510. I want enable VPN-Client Access, but there is always the Message: "Deny ip Spoof from (..) on Interface outside". I'm also not able to ping this device. ACL's are open and the command:icmp permit any unreachable outsideicmp p...

I am setting up an ASA5505 for a pilot home office, defining a business vlan and a personal vlan. I have setup the dhcp scopes for both vlans, but I need to be able to only permit specific mac-addresses to receive a DHCP address from the business vl...

swharvey by Level 3
  • 1627 Views
  • 5 replies
  • 0 Helpful votes

Hello I need help with a situation that is being reported to me. we have a pix 501 firewall that had a single vpn user name and passowrd for users to connect and we changed it so that each person now has the ability to connect with their own username...

klewis by Level 1
  • 471 Views
  • 2 replies
  • 0 Helpful votes

I've been trying to resolve an issue, but I'm having some trouble as I'm not very good with firewalls. My firewall seems to be changing information in the HELO command of SMTP traffic. It SHOULD look something like '220 mail.domain.com ESMTP postfix'...