The RIP daemon's telnet config shell, one number up from zebra's.
FRR assigns each routing daemon a VTY port counting up from 2601: zebra 2601, ripd 2602, ripngd 2603, ospfd 2604, bgpd 2605, and so on. So 2602 open means ripd — the RIP/RIPv2 implementation — is running with its TCP VTY enabled, and finding it usually means its siblings are listening too. As with zebra, the supported way in is vtysh over local sockets, and the TCP VTY can be bound to localhost or disabled by passing port 0. IANA's registration for 2602 is discp-server, which has nothing to do with routing.
Do not expose
Cleartext telnet into a routing daemon's configuration shell; anyone who reaches it and knows the VTY password can alter what the router advertises.
$ nc -v 127.0.0.1 2602Seen this on your network? Beige Box scans your Wi-Fi and shows every open port on every device — and its Ports tool links straight back here.
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