Error: INVALID_PORT: bad port (most likely missing protocol), correct s

admin

Error: INVALID_PORT: bad port (most likely missing protocol), correct s
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, P3 J& T8 @+ L添加firewalld时报错：
3 t6 C. b. Z6 {" S( A% I7 ufirewall-cmd --add-port=3306
Error: INVALID_PORT: bad port (most likely missing protocol), correct s

, s6 V2 Y& s. z是因为没有添加协议，整忙了发现忘记添加tcp或者udp协议了：
$ u, S! k! _- V正确的方法：
6 P- j+ a" C. \% |) vfirewall-cmd --add-port=3306/tcp

显示为success

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