article thumbnail

Bogons: Do not let them in or through your networks

CTOvision

Many ISPs and end-user firewalls seek to block bogons, because they have no legitimate use (more details on how successful they can be at this are below). But filtering the full bogon list requires about 5000 rules for IPv4 and about 70,000 rules for IPv6. Filtering private IP addresses requires only a few rules.

IPv6 96
article thumbnail

A Reference Architecture for the Cloudera Private Cloud Base Data Platform

Cloudera

IPV6 is not supported and should be disabled. Customers will implement firewalls at the perimeter of the cluster, the amount of network traffic and ports used for intra cluster communication is significant.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

RouterFreak on Kentik Network Performance Monitoring

Kentik

This issue should be rectified because: - Fragmented packets are often dropped by intermediate devices and firewalls. Last but not least, both IPv4 and IPv6 are available. Fragments per second and %: A device in the delivery path has a lower than expected MTU. Reconstructing fragmented packets wastes resources.

Network 40
article thumbnail

Implementing a Secure Transit DMZ Architecture with Next-Gen Firewalls

Aviatrix

You can use both IPv4 and IPv6 in your VPC for secure and easy access to resources and applications. In a VPC there are also security groups that act as a virtual firewall for your instance to control inbound and outbound traffic to the instances within a VPC. One common component of that architecture is the use of a firewall.

article thumbnail

Optimizing Long?—?Haul TCP Throughout

taos

This is generally not an issue with modern hardware with multiple gigabytes of RAM TCP window scaling and selective acknowledgments may not be supported by some older firewall implementations. This is generally not an issue with current products from top-tier network vendors such as Cisco and Juniper. Have More Questions?

WAN 8