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#1 2022-06-03 16:33:44

wuddy
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注册时间: 2022-06-03
帖子: 6

终端网络代理问题

我计划通过export http_proxy=xxx,实行终端代理,但是遇到了以下问题

~ ❯ curl -i google.com
HTTP/1.1 301 Moved Permanently
Content-Length: 219
Cache-Control: public, max-age=2592000
Connection: keep-alive
Content-Type: text/html; charset=UTF-8
Date: Fri, 03 Jun 2022 02:13:44 GMT
Expires: Sun, 03 Jul 2022 02:13:44 GMT
Keep-Alive: timeout=4
Location: http://www.google.com/
Proxy-Connection: keep-alive
Server: gws
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 0

<HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8">
<TITLE>301 Moved</TITLE></HEAD><BODY>
<H1>301 Moved</H1>
The document has moved
<A HREF="http://www.google.com/">here</A>.
</BODY></HTML>
grep proxy -i /etc/environment                                                                                           
export http_proxy="http://127.0.0.1:7890"
export https_proxy="http://127.0.0.1:7890"
export no_proxy="localhost, 127.0.0.1"

不知道问题,麻烦大家帮忙提点意见或建议。谢谢

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#2 2022-06-03 16:46:18

依云
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注册时间: 2011-08-21
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Re: 终端网络代理问题

哪里有问题?google.com 访问过去是重定向啊。curl 加 -L 参数才会跟踪重定向的。

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#3 2022-06-03 17:11:29

wuddy
会员
注册时间: 2022-06-03
帖子: 6

Re: 终端网络代理问题

依云 说:

哪里有问题?google.com 访问过去是重定向啊。curl 加 -L 参数才会跟踪重定向的。

感谢答复

不太懂。
但是执行-L,结果也很奇怪,也不能ping通(在网页上能正常代理、访问)

curl -L google.com                                                                             ✔ 
<!doctype html><html itemscope="" itemtype="http://schema.org/WebPage" lang="zh-HK"><head><meta content="text/html; charset=UTF-8" http-equiv="Content-Type"><meta content="/logos/doodles/2022/dragon-boat-festival-2022-6753651837109429-law.gif" itemprop="image"><meta content="&#31471;&#21320;&#31680; 2022" property="twitter:title"><meta content="&#31471;&#21320;&#31680;&#24555;&#27138;! #GoogleDoodle" property="twitter:description"><meta content="&#31471;&#21320;&#31680;&#24555;&#27138;! #GoogleDoodle" property="og:description"><meta content="summary_large_image" property="twitter:card"><meta content="@GoogleDoodles" property="twitter:site"><meta content="https://www.google.com/logos/doodles/2022/dragon-boat-festival-2022-6753651837109429-2xa.gif" property="twitter:image"><meta content="https://www.google.com/logos/doodles/2022/dragon-boat-festival-2022-6753651837109429-2xa.gif" property="og:image"><meta content="920" property="og:image:width"><meta content="420" property="og:image:height"><meta content="https://www.google.com/logos/doodles/2022/dragon-boat-festival-2022-6753651837109429-2xa.gif" property="og:url"><meta content="video.other" property="og:type"><title>Google</title><script nonce="QZDhkU0_LIIwkVBVszWs0Q">(function(){window.google={kEI:'jM-ZYt2DDY6C0wSy8JOoBw',kEXPI:'0,1302536,56873,6058,207,4804,2316,383,246,5,1354,4013,1123753,1197710,380780,16115,28684,17572,4858,1362,283,9007,3024,2820,1931,12834,4998,13228,3847,10622,7432,14681,628,5081,1593,1279,2742,149,1103,840,6297,108,3406,606,2023,1777,520,14670,3227,2845,7,5599,11851,8101,8221,1849,2614,3784,9358,3,576,6460,148,13975,4,1528,2304,32112,2658,7356,13659,13795,7428,5815,2542,4094,4052,3,3541,1,42154,2,14022,6248,7868,11623,5679,1021,2380,2719,18278,2,6,7736,4568,6259,23418,1246,5841,14968,4332,12,6077,1395,445,2,2,1,10790,13836,2006,7701,454,2566,3835,181,799,3042,11638,2162,5179,3421,2,6,12955,770,4936,3466,53,554,24,6316,547,544,347,2050,2,351,5333,210,3406,1974,830,5775,3085,975,989,610,220,22,2515,29,40,382,1105,1944,1225,1481,380,1060,2,1077,235,1612,90,45,1,960,32,1268,2259,282,268,621,70,2,46,419,1155,218,2,4612,1347,5406238,3446,13,8799791,3311,141,795,19735,1,303,44,120,23650588,299776,4042143,4899,159,1358,10977,139,1104,2556,850,936900',kBL:'G5Qq'};google.sn='webhp';google.kHL='zh-HK';})();(function(){
var f=this||self;var h,k=[];function l(a){for(var b;a&&(!a.getAttribute||!(b=a.getAttribute("eid")));)a=a.parentNode;return b||h}function m(a){for(var b=null;a&&(!a.getAttribute||!(b=a.getAttribute("leid")));)a=a.parentNode;return b}
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#4 2022-06-03 18:39:26

依云
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所在地: a.k.a. 百合仙子
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Re: 终端网络代理问题

结果非常正常啊。 http 代理只支持 http 和 https(有些也能代理别的 tcp 协议),但没有支持 icmp 的。ping 使用 icmp 协议,所以不走代理。

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#5 2022-06-03 19:14:36

wuddy
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注册时间: 2022-06-03
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Re: 终端网络代理问题

依云 说:

结果非常正常啊。 http 代理只支持 http 和 https(有些也能代理别的 tcp 协议),但没有支持 icmp 的。ping 使用 icmp 协议,所以不走代理。

谢谢答复。

我一直以为能够ping通才算是代理成功了;但是现在一直ping不通(之前我记得可以)

还有就是 `url www.google.com` 结果很奇怪(像是一个intermediate page ),我也不知道到底成功没?

然后check了一下如何衡量终端代理是否成功的方法;用wget;结果显示代理正常

wget google.com                                                                                ✔ 
--2022-06-03 19:11:09--  [url]http://google.com/[/url]
Connecting to 127.0.0.1:7890... connected.
Proxy request sent, awaiting response... 301 Moved Permanently
Location: [url]http://www.google.com/[/url] [following]
--2022-06-03 19:11:09--  [url]http://www.google.com/[/url]
Reusing existing connection to 127.0.0.1:7890.
Proxy request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: ‘index.html.7’

index.html.7                    [ <=>                                      ]  16.48K  --.-KB/s    in 0s      

2022-06-03 19:11:09 (67.9 MB/s) - ‘index.html.7’ saved [16875]

最后,所以ping一定是不成功的吗?(我印象里是可以ping通的)

最近编辑记录 wuddy (2022-06-03 19:16:20)

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#6 2022-06-03 19:19:13

依云
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所在地: a.k.a. 百合仙子
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Re: 终端网络代理问题

HTTP 代理一定不支持 ping 命令的。要支持 ping 命令,你需要使用(真正的)VPN(比如 OpenVPN、PPTP、L2TP)。

你有兴趣可以找本网络教科书了解一下。

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#7 2022-06-03 19:25:19

wuddy
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注册时间: 2022-06-03
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Re: 终端网络代理问题

依云 说:

HTTP 代理一定不支持 ping 命令的。要支持 ping 命令,你需要使用(真正的)VPN(比如 OpenVPN、PPTP、L2TP)。

你有兴趣可以找本网络教科书了解一下。

好的,感觉确实需要慢慢了解一下。刚刚使用manjaro,甚至对linux都不太熟,感觉到了什么都可以动的自由,也感觉到了什么都不敢动的慎微。

再次感谢您的答复。

祝好!

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