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My company that I work for currently does not use IPv6 in our organization. We currently only use IPv4. During our annual penetration test last month, the pentesters were able to reply to IPv6 DHCPv6 requests to successfully hijack DNS for workstat...
Hello. My company that I work for currently does not use IPv6 in our organization. We currently only use IPv4. During our annual penetration test last month, the pentesters were able to reply to IPv6 DHCPv6 requests to successfully hijack DNS for ...
Hello. My company that I work for currently does not use IPv6 in our organization. We currently only use IPv4. During our annual penetration test last month, the pentesters were able to install a IPv6 rogue DHCP server into our network successfull...
Hi, I created an attached lab in GNS3 and recently added a VMware VM Microsoft Server 2019 into the topology. I am having an issue where I can ping all the network devices and all the VLAN's in the topology from the server to all devices, however, I...
We currently have Cisco 9300 switches and the devices connect via 802.1X authentication. How can I configure Cisco switches where users can connect their laptops and it will put them in the correct VLAN automatically with 802.1X authentication. I d...
Thank you for the recommendations. I will definitely try enabling the policies on the interfaces. I tried to enable IPv6 Snooping but it looks like it is not available on the version the switches is on. We are on 17.09.04. Do you recommend any su...
I enabled Ipv6 DHCP Guard and RA Guard Policy on our access switches for DHCP VLAN's. After I implemented the configuaration below, the pentesters were able to successfully to spoof another ipv6 DHCP attack. It looks like the commands did not do any...
Thanks for the link. We do not use IPv6 so we do not have an IPv6 DHCP server setup. We only have a IPv4 DHCP server. My question is do I use the link-local address of our IPv4 DHCP server in server mode on the IPv6 guard policy. Would we need t...
