According to traceroute(8) - Linux manual page
-T, --tcp
Use TCP SYN for probes
But traceroute -T produces
traceroute: unrecognized option: T
BusyBox v1.25.1 (2018-08-14 17:16:55 CEST) multi-call binary.Usage: traceroute [-FIlnrv] [-f 1ST_TTL] [-m MAXTTL] [-q PROBES] [-p PORT]
[-t TOS] [-w WAIT_SEC] [-s SRC_IP] [-i IFACE]
[-z PAUSE_MSEC] HOST [BYTES]Trace the route to HOST
-F Set don't fragment bit -l Display TTL value of the returned packet -n Print numeric addresses -r Bypass routing tables, send directly to HOST -v Verbose -f N First number of hops (default 1) -m N Max number of hops -q N Number of probes per hop (default 3) -p N Base UDP port number used in probes (default 33434) -s IP Source address -i IFACE Source interface -t N Type-of-service in probe packets (default 0) -w SEC Time to wait for a response (default 3) -g IP Loose source route gateway (8 max)
Any alternative to for a TCP traceroute?