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：
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]
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