我最近搭了个环境，用的 6666 端口，然后发现一个奇怪的现象 chrome 怎么访问都显示没有这个环境，但是本地的 ie 浏览器就可以访问到，后来想起来，chrome 浏览器有一些自保留端口，跳过这些端口就好了。
chrome 浏览器自保留端口如下：
代码语言：javascript复制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 /epmap
139 --- netbios
143 --- imap2
179 --- BGP
389 --- ldap
465 --- smtp ssl
512 --- print / exec
513 --- login
514 --- shell
515 --- printer
526 --- tempo
530 --- courier
531 --- chat
532 --- netnews
540 --- uucp
556 --- remotefs
563 --- nntp ssl
587 --- stmp?
601 --- ??
636 --- ldap ssl
993 --- ldap ssl
995 --- pop3 ssl
2049 --- nfs
3659 --- apple-sasl / PasswordServer
4045 --- lockd
6000 --- X11
6665 --- Alternate IRC [Apple addition]
6666 --- Alternate IRC [Apple addition]
6667 --- Standard IRC [Apple addition]
6668 --- Alternate IRC [Apple addition]
6669 --- Alternate IRC [Apple addition]
