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
" T$ @% D7 H, s+ c3 s# b* Rebuilt URL to: 10.16.68.32:22/
0 @8 z$ C  |- v$ g- Y. r*   Trying 10.16.68.32...
; c0 ]  ^  z- O8 o" T* TCP_NODELAY set
* Connected to 10.16.68.32 (10.16.68.32) port 22 (#0)
> GET / HTTP/1.1
1 w$ x6 P' Q) U) d> Host: 10.16.68.32:22
> User-Agent: curl/7.61.1
* i/ M- p3 ^# s1 K) g5 I3 d& N> Accept: */*
* |* @# j; O5 H; Z. d& S; I, }>
: }3 K& p) U& }* M7 x- ?* rSSH-2.0-OpenSSH_8.0
; \% E1 l  F$ J& ^5 W+ JInvalid SSH identification string.
  T) }8 Q# b5 [) g* C4 _* Recv failure: Connection reset by peer
1 ]  Z0 t; R8 Z% x* Closing connection 0
curl: (56) Recv failure: Connection reset by peer

" I: e9 T3 ~8 }

admin

curl -v 10.16.68.5:5901
) r% b1 d, ]6 Y1 e4 M* Rebuilt URL to: 10.16.68.5:5901/
* x3 n  Y+ W2 r1 M- p2 s*   Trying 10.16.68.5...
3 Q, K* Y0 Q* E8 H. g% S# F# |* u" r* TCP_NODELAY set
* Connected to 10.16.68.5 (10.16.68.5) port 5901 (#0)
> GET / HTTP/1.1
> Host: 10.16.68.5:5901
> User-Agent: curl/7.61.1
> Accept: */*
>
1 x$ f9 k% b) S7 [$ LRFB 003.008
! i/ t5 d3 P: R- O9 z* Closing connection 0
( G) J0 Z4 G  @3 [+ E. k6 l/ y
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
7 e4 b7 L' I; p- g- _
* Rebuilt URL to: 10.16.68.5:5901/
0 ]% n( z5 Q% M8 {% v$ E*   Trying 10.16.68.5...
* TCP_NODELAY set
* Connected to 10.16.68.5 (10.16.68.5) port 5901 (#0)
> GET / HTTP/1.1
+ S7 h. L- _' _5 i> Host: 10.16.68.5:5901
> User-Agent: curl/7.61.1
) d% P. w7 I- L( ?* g$ C  V> Accept: */*
( M  U+ S, A8 c' p' K& `>
RFB 003.008
/ j4 ]  q+ {7 {- n: \* Closing connection 0