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
% Y* u+ f$ E! S6 O' m. L' O5 L0 W* {8 H* Rebuilt URL to: 10.16.68.32:22/
" [" r& g1 F7 Z' p( i*   Trying 10.16.68.32...
* TCP_NODELAY set
. K8 @9 l, p9 t* Connected to 10.16.68.32 (10.16.68.32) port 22 (#0)
8 @7 f+ |! l0 b1 H. G: g> GET / HTTP/1.1
> Host: 10.16.68.32:22
> User-Agent: curl/7.61.1
  H+ E5 n% i* N( \& `8 e> Accept: */*
>
SSH-2.0-OpenSSH_8.0
" g" f4 B1 _$ s, ~& P' p* F$ mInvalid SSH identification string.
* Recv failure: Connection reset by peer
* Closing connection 0
3 {$ H/ I+ L( wcurl: (56) Recv failure: Connection reset by peer
3 j6 R! i4 K' G! ?
8 r) C: _% g! e7 e) Z& B

admin

curl -v 10.16.68.5:5901
* Rebuilt URL to: 10.16.68.5:5901/
*   Trying 10.16.68.5...
* TCP_NODELAY set
* Connected to 10.16.68.5 (10.16.68.5) port 5901 (#0)
' i* E; L8 ]- r# p8 {> GET / HTTP/1.1
> Host: 10.16.68.5:5901
0 s2 H2 R# G3 l2 X: ?* i  S> User-Agent: curl/7.61.1
! x$ o  }2 A8 X7 L/ I> Accept: */*
>
RFB 003.008
* Closing connection 0
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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。

6 C- L: `$ d- _# b3 Rcurl --interface ens7 -v 10.16.68.5:5901

* Rebuilt URL to: 10.16.68.5:5901/
*   Trying 10.16.68.5...
7 x, i. v. B7 U* TCP_NODELAY set
* Connected to 10.16.68.5 (10.16.68.5) port 5901 (#0)
" n4 ~5 K2 m8 I6 d0 v> GET / HTTP/1.1
> Host: 10.16.68.5:5901
> User-Agent: curl/7.61.1
0 f9 m6 @5 n9 I" V, q8 d> Accept: */*
>
RFB 003.008
* Closing connection 0