wenquan2015 opened a new pull request, #17686: URL: https://github.com/apache/nuttx/pull/17686
## Summary According RFC1122 3.2.2.1, A host SHOULD generate Destination Unreachable messages with code: 2(Protocol Unreachable), when the designated transport protocol is not supported. ## Impact ipv4 ## Testing ``` from scapy.all import * icmp_pkt = IP(dst="10.0.1.2", len=21, proto=143) / "E" send(icmp_pkt, verbose=1) ``` test result: ``` 13:38:31.958568 IP 10.0.1.1 > 10.0.1.2: [Ethernet requires IPv6] (invalid) 13:38:31.959701 IP 10.0.1.2 > 10.0.1.1: ICMP 10.0.1.2 protocol 143 unreachable, length 29 ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
