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
2 |- {; L8 V! f" s" C+ L* Rebuilt URL to: 10.16.68.32:22/
8 E1 H+ a) X: u6 @, M& ^6 K+ M*   Trying 10.16.68.32...
' c; M4 o9 s, t4 B3 {% `. Z+ ]) s2 H* TCP_NODELAY set
* Connected to 10.16.68.32 (10.16.68.32) port 22 (#0)
> GET / HTTP/1.1
> Host: 10.16.68.32:22
+ l7 I' F, I% j% P0 p> User-Agent: curl/7.61.1
/ N5 B; c7 l( b0 Q! @, M> Accept: */*
>
SSH-2.0-OpenSSH_8.0
+ S% U, u/ Y8 J* Z0 d; MInvalid SSH identification string.
* Recv failure: Connection reset by peer
5 p. B! l- |, h. a* Closing connection 0
curl: (56) Recv failure: Connection reset by peer
7 S# s% E, U- @0 Y" j/ M
. \0 V/ X2 `8 i6 x% l

admin

curl -v 10.16.68.5:5901
* Rebuilt URL to: 10.16.68.5:5901/
1 O" S$ n+ ?+ c& G; X*   Trying 10.16.68.5...
: ?/ |% |% g4 }0 G" D  \+ H7 Y$ E; m9 k* TCP_NODELAY set
  r" Y/ w7 X+ f, m1 P8 H/ L0 j& o* 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: */*
! _" u4 J* i/ {>
! J$ L/ t/ I( G! ?0 W" t7 n3 oRFB 003.008
* `4 M) O2 Z# J4 C* Closing connection 0
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3 K) o7 E5 V2 z( U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。

. C- i; y1 R) s" Scurl --interface ens7 -v 10.16.68.5:5901

- Y0 [' H$ B; i/ c  k* Rebuilt URL to: 10.16.68.5:5901/
& ?3 d4 w: O$ S% z; c; R( J; u*   Trying 10.16.68.5...
+ [0 T# a' i: g; }* TCP_NODELAY set
* Connected to 10.16.68.5 (10.16.68.5) port 5901 (#0)
9 N7 v% P9 M4 i* T) H1 p  X> GET / HTTP/1.1
> Host: 10.16.68.5:5901
: c# u3 A! I+ n7 D5 K; K6 _> User-Agent: curl/7.61.1
> Accept: */*
0 t  C2 {3 i: C; G>
3 e' W# K, N5 o: Z  zRFB 003.008
( \, l8 a7 t3 L# {) M2 B* Closing connection 0