wget被证书问题打断了

我想使用wget https://curl.haxx.se/download/archeology/curl-7.16.2.tar.gz下载文件。 从朋友的PC上完成并没有错误。

但是,当我尝试从我的PC上进行此操作时,我使用证书进行了一些操作,同时建立了FTPS客户端,我收到了以下错误:

 ERROR: cannot verify curl.haxx.se's certificate, issued by '=== MY CERTIFICATE DETAILS ===': Unable to locally verify the issuer's authority. To connect to curl.haxx.se insecurely, use `--no-check-certificate'. 

我使用了--no-check-certificate来克服这个问题并且很顺利,但我的问题是,为什么会弹出这个错误? 我没有要求一个安全的连接,只是wget – 没有安全检查,我在朋友的PC上看到的。

如何在以后的下载中防止此错误? (解决下划线原因,不使用--no-check-certificate

编辑:

 $ apt-cache policy wget wget: Installed: 1.15-1ubuntu1.14.04.1 Candidate: 1.15-1ubuntu1.14.04.1 Version table: *** 1.15-1ubuntu1.14.04.1 0 500 http://172.18.177.211/14.04.3/mirror/archive.ubuntu.com/ubuntu/ trusty-updates/main i386 Packages 500 http://172.18.177.211/14.04.3/mirror/archive.ubuntu.com/ubuntu/ trusty-security/main i386 Packages 100 /var/lib/dpkg/status 1.15-1ubuntu1 0 500 http://172.18.177.211/14.04.3/mirror/archive.ubuntu.com/ubuntu/ trusty/main i386 Packages 

 $ apt-cache policy libssl1.0.0 ca-certificates libssl1.0.0: Installed: 1.0.1f-1ubuntu2.15 Candidate: 1.0.1f-1ubuntu2.15 Version table: *** 1.0.1f-1ubuntu2.15 0 500 http://172.18.177.211/14.04.3/mirror/archive.ubuntu.com/ubuntu/ trusty-updates/main i386 Packages 500 http://172.18.177.211/14.04.3/mirror/archive.ubuntu.com/ubuntu/ trusty-security/main i386 Packages 100 /var/lib/dpkg/status 1.0.1f-1ubuntu2 0 500 http://172.18.177.211/14.04.3/mirror/archive.ubuntu.com/ubuntu/ trusty/main i386 Packages ca-certificates: Installed: 20141019ubuntu0.14.04.1 Candidate: 20141019ubuntu0.14.04.1 Version table: *** 20141019ubuntu0.14.04.1 0 500 http://172.18.177.211/14.04.3/mirror/archive.ubuntu.com/ubuntu/ trusty-updates/main i386 Packages 500 http://172.18.177.211/14.04.3/mirror/archive.ubuntu.com/ubuntu/ trusty-security/main i386 Packages 100 /var/lib/dpkg/status 20130906ubuntu2 0 500 http://172.18.177.211/14.04.3/mirror/archive.ubuntu.com/ubuntu/ trusty/main i386 Packages 

您可以在/etc/wgetrc预配置wget调用,也可以在~/.wgetrc为特定用户预配置。 也许在你朋友的PC上,其中一个文件包含该指令

check_certificate = on/off

更多选项请参阅https://www.gnu.org/software/wget/manual/wget.html#Startup-File