block-frag (IDS Screen Next Gen Services)
Statement introduced in Junos OS Release 19.3R2 on MX Series routers (MX240, MX480 and MX960) running Next Gen Services with the MX-SPC3 services card.
Identify and drop fragmented IP packets. IP fragments might contain an attacker's attempt to exploit the vulnerabilities in the packet reassembly code of specific IP stack implementations. When the target receives these packets, the results can range from processing the packets incorrectly to crashing the entire system.
Required Privilege Level
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.