curl 方式获取端口是否正常curl -v参数探测22端口

admin

curl -v 10.16.68.32:22
* Rebuilt URL to: 10.16.68.32:22/
*   Trying 10.16.68.32...
3 {7 x9 j/ T. l: _: d/ m+ p* TCP_NODELAY set
* D1 z: w, t& p6 ], K! Z  p. m* Connected to 10.16.68.32 (10.16.68.32) port 22 (#0)
> GET / HTTP/1.1
> Host: 10.16.68.32:22
> User-Agent: curl/7.61.1
> Accept: */*
>
SSH-2.0-OpenSSH_8.0
Invalid SSH identification string.
* Recv failure: Connection reset by peer
* Closing connection 0
( P! I6 F6 E8 @1 [9 [: scurl: (56) Recv failure: Connection reset by peer

' W: b5 K8 U7 C) _

admin

curl -v 10.16.68.5:5901
) f, l! S6 m* G  B* Rebuilt URL to: 10.16.68.5:5901/
*   Trying 10.16.68.5...
1 A8 }/ H$ D4 E9 U* TCP_NODELAY set
8 J3 A- b! h: L' K* Connected to 10.16.68.5 (10.16.68.5) port 5901 (#0)
( O. R" _5 x* P0 ^> GET / HTTP/1.1
> Host: 10.16.68.5:5901
> User-Agent: curl/7.61.1
> Accept: */*
5 U2 e( C( u, p5 \7 b4 l; H>
RFB 003.008
1 f- f+ @; U/ s' c9 P* Closing connection 0

, A5 z/ _7 n# W# N) J0 a这个方式可以验证没有安装telnet时探测端口是否正常安装得问题。

admin

curl 加上--interface 参数，以及-v参数 达到预想结果。

curl --interface ens7 -v 10.16.68.5:5901
3 K1 H" t+ p1 }. F4 ]& y. X
* Rebuilt URL to: 10.16.68.5:5901/
5 T) ^3 `  X" t1 s( p4 O1 T+ L1 w1 o*   Trying 10.16.68.5...
* TCP_NODELAY set
& R" V9 O9 \+ _* Connected to 10.16.68.5 (10.16.68.5) port 5901 (#0)
> GET / HTTP/1.1
" w3 ~# F, b3 t. S1 [/ D; p> Host: 10.16.68.5:5901
> User-Agent: curl/7.61.1
> Accept: */*
>
; [( U1 K; {1 h% e5 iRFB 003.008
* Closing connection 0