Ip Access Cheat Sheet - Jeremy Stretch

The "IP Access Cheat Sheet - Jeremy Stretch" is a document that provides a quick reference guide for understanding and working with IP (Internet Protocol) access controls. It is designed to help network administrators and technicians with managing and configuring IP access rules and policies.

The IP Access Cheat Sheet is not filed by Jeremy Stretch.

FAQ

Q: What is an IP address?
A: An IP address is a unique numerical identifier assigned to each device connected to a network.

Q: What is the difference between IPv4 and IPv6?
A: IPv4 uses a 32-bit address scheme, while IPv6 uses a 128-bit address scheme. IPv6 provides a much larger address space.

Q: How do I find my IP address on a Windows computer?
A: You can find your IP address by opening the Command Prompt and typing 'ipconfig'.

Q: How do I find my IP address on a Mac?
A: You can find your IP address by opening the Terminal and typing 'ifconfig'.

Q: What is IP subnetting?
A: IP subnetting is the process of dividing a network into smaller subnetworks, called subnets, to improve network efficiency and security.

Q: What is a subnet mask?
A: A subnet mask is a 32-bit number that identifies the network portion and the host portion of an IP address.

Q: What is CIDR notation?
A: CIDR notation is a shorthand way of representing an IP address and subnet mask together, using CIDR prefix notation.

Q: How do I calculate the number of hosts in a subnet?
A: To calculate the number of hosts in a subnet, subtract 2 from the total number of addresses.

Q: What is a DHCP server?
A: A DHCP server is a network service that automatically assigns IP addresses and other network configuration information to devices on a network.

Q: What is a default gateway?
A: A default gateway is the IP address of a router or gateway device that allows devices on a network to communicate with devices on other networks.

Q: What is NAT?
A: NAT (Network Address Translation) is a technique used to translate private IP addresses to public IP addresses, allowing multiple devices on a private network to share a single public IP address.

Q: What is a firewall?
A: A firewall is a network security device that monitors incoming and outgoing network traffic, allowing or blocking specific traffic based on predefined security rules.