unable to get local issuer certificateunable是什么意思思

来源：蜘蛛抓取(WebSpider) 时间：2015-02-05 05:06 标签： issuer
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> Git提交时发生SSL certificate problem错误的解决方法
这两天，不知道为什么，用Git提交代码到服务器时，总出现SSL certificate problem: unable to get local issuer certificate while accessing错误。在网上找了一下，发现解决的方法有以下几个：
如果你是用命令行提交的，可以用以下命令设置临时环境变量GIT_SSL_NO_VERIFY。
Windows下：
set GIT_SSL_NO_VERIFY=true git push
env GIT_SSL_NO_VERIFY=true git push
设置好之后，然后用Git提交。
当然，你也可以把GIT_SSL_NO_VERIFY设置成非临时环境变量，这样就不用每次提交都要执行上面的命令了。
你也可以在命令行执行以下命令，之后再提交。
git config --global http.sslVerify false
参考地址：
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与本文相关的文章PHP cURL https SSL certificate problem: unable to get local issuer certificate 解决方案 | Edison's Blog
PHP通过cURL访问https时出现SSL certificate problem: unable to get local issuer certificate的解决方法：只要设置以下两个属性就可以解决。
将 CURLOPT_SSL_VERIFYPEER 设置为 false,
将 CURLOPT_SSL_VERIFYHOST 设置为 false.
代码如下：
$cURL = curl_init();
= 'http://www.congcong.us/';
curl_setopt_array(
CURLOPT_URL =& $url,
CURLOPT_REFERER =& $url,
CURLOPT_AUTOREFERER =& true,
CURLOPT_RETURNTRANSFER =& true,
CURLOPT_SSL_VERIFYPEER =& false,
CURLOPT_SSL_VERIFYHOST =& false,
CURLOPT_CONNECTTIMEOUT =& 1,
CURLOPT_TIMEOUT =& 30,
CURLOPT_USERAGENT =& 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0. Safari/537.36'
//其他代码...
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Validating a Certificate Path with OpenSSL
This section provides a tutorial example on how to perform validation of a certificate path with the 'openssl verify' command.
With 4 certificates created in the previous section, we are ready to test the "openssl verify" command:
1. Verify the shortest certification path, one certificate only:
&openssl verify herong.crt
herong.crt: /C=CN/ST=PN/L=LN/O=ON/OU=UN/CN=Herong Yang
error 18 at 0 depth lookup:self signed certificate
&openssl verify -CAfile herong.crt herong.crt
herong.crt: OK
&openssl verify john.crt
john.crt: /C=CN/ST=PN/L=LN/O=ON/OU=UN/CN=John Smith
error 20 at 0 depth lookup:unable to get local issuer certificate
&openssl verify -CAfile john.crt john.crt
john.crt: /C=CN/ST=PN/L=LN/O=ON/OU=UN/CN=John Smith
error 20 at 0 depth lookup:unable to get local issuer certificate
Note that:
You will get an OK with an error, when validating a self-signed certificate without specifying it as the CA certificate.
You will get a perfect OK, when validating a self-signed certificate with the CA certificate specified as itself.
You will get an error, when validating a non self-signed certificate with or without specifying it as the CA certificate.
2. Verify certification paths of two certificates:
&openssl verify -CAfile herong.crt john.crt
john.crt: OK
&openssl verify -CAfile herong.crt bill.crt
bill.crt: /C=CN/ST=PN/L=LN/O=ON/OU=UN/CN=Bill White
error 20 at 0 depth lookup:unable to get local issuer certificate
&openssl verify -CAfile john.crt bill.crt
bill.crt: /C=CN/ST=PN/L=LN/O=ON/OU=UN/CN=John Smith
error 2 at 1 depth lookup:unable to get issuer certificate
Note that:
Test 1: Perfect.
Test 2: Path broken at 0 depth. Could not find the issuer on bill.crt.
Test 3: Path broken at 1 depth. Could not find the issuer on john.crt.
3. Verify certification paths of many certificates:
&openssl verify -CAfile herong.crt -untrusted john.crt bill.crt
bill.crt: OK
&openssl verify -CAfile herong.crt -untrusted bill.crt tom.crt
tom.crt: /C=CN/ST=PN/L=LN/O=ON/OU=UN/CN=Bill Gate
error 20 at 1 depth lookup:unable to get local issuer certificate
&copy john.crt+bill.crt all.crt
&openssl verify -CAfile herong.crt -untrusted all.crt tom.crt
tom.crt: OK
Note that:
Test 1: Perfect.
Test 2: Path broken at 1 depth. Could not find the issuer on bill.crt.
Test 3: Perfect. Look at how I join two certificates file together with the DOS command "copy".
Last update: 2013.
Table of Contents
Validating a Certificate Path with OpenSSL - Updated in 2014, by Dr. Herong Yang

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