What is the use of no ip source-route?

What is the use of no ip source-route?

–> During an attack, an attacker could use source routing to direct packets to bypass existing security restrictions. –> Use the ‘no ip source-route’ command to disable IP source routing on the Cisco router.

How do I know if my source routing is enabled?

Review the configuration of the Cisco ISR 4000 Series router to determine if source routing is enabled. If “ip source-routing” is in the configuration then it is enabled, this is a finding.

Should I disable source routing?

(Source routing is an IP option that allows the packet to specify the route it should take to its destination.) Source routing is a potential security problem, so it is best to disable this feature unless required.

How does IP source routing work?

Source routing is a feature of the IP protocol which allows the sender of a packet to specify which route the packet should take on the way to its destination (and on the way back). Source routing was originally designed to be used when a host did not have proper default routes in its routing table.

What is a source route?

In computer networking, source routing, also called path addressing, allows a sender of a packet to partially or completely specify the route the packet takes through the network. Source routing allows easier troubleshooting, improved traceroute, and enables a node to discover all the possible routes to a host.

What is IP source?

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What are source routed IP packets?

A source-routed packet specifies the exact router path for the packet. The packet specifies the path by listing the IP addresses of the router interfaces through which the packet must pass on its way to the destination.

What is IP classless command?

A router configured with the “ip classless” command tries to match the the specific subnet and ignores the class (A, B or C) of network and only uses the default route when no match is made.

How do I disable IP source routing?

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing)” to “Highest protection, source routing is completely disabled”.

What is source IP route?

Source routing is a technique whereby the sender of a packet can specify the route that a packet should take through the network. As a packet travels through the network, each router will examine the destination IP address and choose the next hop to forward the packet to.

How do you do source-based routing?

How to Configure Source-Based Routes

1. Create a Source-based Route. Go to CONFIGURATION > Configuration Tree > Box > Network. In the left menu, click Advanced Routing.
2. Activate the Network Configuration. After you have configured the network route, you must execute your new network configurations. Go to CONTROL > Box.

How can I get source of IP address?

Open the Windows Start menu and right-click “Network.” Click “Properties.” Click “View Status” to the right of “Wireless Network Connection,” or ”Local Area Connection” for wired connections. Click “Details” and look for the IP address in the new window.