What is Object Group Service?

A service object group is a group of any of the following objects: Source and destination protocol ports (such as Telnet or Simple Network Management Protocol [SNMP]) Top-level protocols (such as Encapsulating Security Payload [ESP], TCP, or UDP) Other service object groups.

What is Object Group network?

An object-group lets you “group” objects, this could be a collection of IP addresses, networks, port numbers, etc. Instead of creating an access-list with many different statements we can refer to an object-group. network is used to select IP addresses and/or network addresses.

What is Object Group Cisco?

An object group can contain a single object (such as a single IP address, network, or subnet) or multiple objects (such as a combination of multiple IP addresses, networks, or subnets). A typical ACE could allow a group of users to have access only to a specific group of servers.

What is an object group command?

The show object-group command offers the following choices: show object-group id grp_id—Displays all defined object groups by their grp_id. show object-group object_type—Displays all defined object groups by group type. show object-group—Displays all defined object groups.

What is the benefit of a network object group as it relates to access lists?

The Object Groups feature allows us to classify users, devices, or protocols into groups and apply those groups to access control lists (ACLs). This lets us create access control policies for groups and use object groups instead of IP addresses, protocols or even port numbers which are used in conventional ACLs.

What is a network object?

Network Objects are defined segments of your network that you can reuse throughout multiple responses. Use the Network Objects feature to centralize data entry so that you only need to change the network object instead of each instance of the data.

What are the 2 types of object groups in Cisco ASA?

Cisco ASA Object Groups Explained

  • Network object groups.
  • Service object groups.

How many types of objects are there in networking?

You can create six different types of Network Objects on the Network Security appliance: Address objects. Application objects.

What is object network in Asa?

About Network Objects. An ASA network object can contain a hostname, an IP address, or a subnet address expressed in CIDR notation. Network groups are conglomerates of network objects, network groups, and IP addresses that are used in access rules, network policies, and NAT rules.

What is object in Asa?

Objects are reusable components for use in your configuration. You can define and use them in Cisco ASA configurations in the place of inline IP addresses, services, names, and so on.

What are the objects of a service object group?

A service object group is a group of any of the following objects: Source and destination protocol ports (such as Telnet or Simple Network Management Protocol (SNMP)) ICMP types (such as echo, echo-reply, or host-unreachable) Top-level protocols (such as TCP, User Datagram Protocol (UDP), or Encapsulating Security Payload (ESP))

How to create a service object group in Cisco ASA?

While you might want to create a network object group named “Engineering” and a service object group named “Engineering,” you need to add an identifier (or “tag”) to the end of at least one object group name to make it unique.

What does object group mean in Cisco firewall?

A service object group includes a mix of protocols, if desired, including optional source and destination ports for protocols that use them, and ICMP type and code. You can model all services using the generic service object group, which is explained here.

How to configure object groups for ACLS feature?

To configure the Object Groups for ACLs feature, you first create one or more object groups. These can be any combination of network object groups (containing objects such as host addresses and network addresses) or service object groups (which use operators such as lt, eq, gt, neq, and range with port numbers).