This topic created in 3656 days ago, the information mentioned may be changed or developed.
像 security.ubuntu.com 这样源，还有各大镜像清一色无 tls 为什么呢？难道不重要？
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msg7086 Apr 23, 2016
无所谓吧， TLS 反而增加服务器负担。
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squid157 Apr 23, 2016 via iPhone
因为包里面有 GPG 签名
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zsj950618 Apr 23, 2016 via Android  1
https://mirrors.ustc.edu.cn
https://mirrors.tuna.tsinghua.edu.cn 用 https 倒不是为了包不被篡改，因为有 gpg 验证，而且你应该要自己去检验 gpg 公钥的 fingerprint 在国内用 https 很必要的一点是可以防止运营商进行缓存劫持，缓存劫持通常会使一些元信息不一致，导致你更新失败。 |
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Testalias Apr 23, 2016
Arch CN repo already use HTTPS
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Tink PRO 有些是支持 https 的
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wsy2220 Apr 23, 2016 via Android
有 gpg 签名保障
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zsj950618 Apr 23, 2016
@shiji
$ dpkg -L debian-archive-keyring /. /usr /usr/share /usr/share/keyrings /usr/share/keyrings/debian-archive-removed-keys.gpg /usr/share/keyrings/debian-archive-keyring.gpg /usr/share/doc /usr/share/doc/debian-archive-keyring /usr/share/doc/debian-archive-keyring/changelog.gz /usr/share/doc/debian-archive-keyring/README /usr/share/doc/debian-archive-keyring/copyright /etc /etc/apt /etc/apt/trusted.gpg.d /etc/apt/trusted.gpg.d/debian-archive-jessie-automatic.gpg /etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg /etc/apt/trusted.gpg.d/debian-archive-jessie-stable.gpg /etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg /etc/apt/trusted.gpg.d/debian-archive-jessie-security-automatic.gpg /etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg /etc/apt/trusted.gpg.d/debian-archive-squeeze-stable.gpg |
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RqPS6rhmP3Nyn3Tm Apr 23, 2016
你信任操作系统，操作系统信任根证书，根证书签发信任网站， ISO 通过 HTTPS 下载， ISO 里内置 GPG keyring ，用内置的 GPG keyring 升级新的钥匙串或者验证软件包
除非要防劫持， HTTPS 还真没啥作用 |
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