新版固件的 23 号端口被 iptables 拦截了 ! f- Q/ h% q3 N+ b' u O5 p! U 6 x5 p' L' c4 H# QShell>>> nmap -sF -p 23 192.168.1.1 . K1 x- ]7 t- V7 D6 u6 ^1 a8 m: ]Starting Nmap 7.80 ( https://nmap.org ) at 2024-11-13 21:20 CST8 V! A0 K3 M8 \7 P, P P% x5 P
Nmap scan report for 192.168.1.1 9 k; e2 r" ?2 T; ]3 E/ {Host is up (0.054s latency).' n! M! w. h1 c
2 y5 s, d+ N _. a$ ]# v* cPORT STATE SERVICE # `# W+ q. _9 F23/tcp open|filtered telnet- a }2 k0 c. T! o
! @3 `! w g! r
Nmap done: 1 IP address (1 host up) scanned in 0.77 seconds