HTTP中间的不安全端口ERR_UNSAFE_PORT

问一下各位有没有遇到HTTP访问的时候出现报错，显示不安全端口。
这个不安全端口是因为1-5000范围内的某个通用服务的端口，然后HTTP使用了这个端口，就会造成提示不安全端口。

ERR_UNSAFE_PORT
常用的服务端口：

1 =>> tcpmux
7 =>> echo
9 =>> discard
11 =>> systat
13 =>> daytime
15 =>> netstat
17 =>> qotd
19 =>> chargen
20 =>> ftp data
21 =>> ftp access
22 =>> ssh
23 =>> telnet
25 =>> smtp
37 =>> time
42 =>> name
43 =>> nicname
53 =>> domain
77 =>> priv-rjs
79 =>> finger
87 =>> ttylink
95 =>> supdup
101 =>> hostriame
102 =>> iso-tsap
103 =>> gppitnp
104 =>> acr-nema
109 =>> pop2
110 =>> pop3
111 =>> sunrpc
113 =>> auth
115 =>> sftp
117 =>> uucp-path
119 =>> nntp
123 =>> NTP
135 =>> loc-srv
139 =>> netbios
143 =>> imap2
179 =>> BGP
389 =>> ldap
465 =>> smtp+ssl
512 =>> print
513 =>> login
514 =>> shell
515 =>> printer
526 =>> tempo
530 =>> courier
531 =>> chat
532 =>> netnews
540 =>> uucp
556 =>> remotefs
563 =>> nntp+ssl
636 =>> ldap+ssl
993 =>> ldap+ssl
995 =>> pop3+ssl
2049 =>> nfs
3659 =>> apple-sasl / PasswordServer
4045 =>> lockd
6000 =>> X11

常用的服务是无法被正常使用，在测试网站的时候应该极力避免这类端口号。