curl: (52) Empty reply from server

[omaidb]

[master1 root ~/code/proxychains-ng]# proxychains4 curl ip.cn
[proxychains] config file found: /etc/proxychains.conf
[proxychains] preloading ./libproxychains4.so
[proxychains] DLL init: proxychains-ng 4.16-git-1-g07c15a0
[proxychains] Strict chain  ...  127.0.0.1:1080  ...  ip.cn:80  ...  OK
curl: (52) Empty reply from server

[omaidb]

[master1 root /opt/trojan]# proxychains4 curl cip.cc
[proxychains] config file found: /etc/proxychains.conf
[proxychains] preloading /lib/libproxychains4.so
[proxychains] DLL init: proxychains-ng 4.16-git-1-g07c15a0
[proxychains] Strict chain  ...  127.0.0.1:1080  ...  127.0.0.1:1080  ...  OK
curl: (7) Unable to receive initial SOCKS5 response.

[omaidb]

Linux版本会提示握手失败,证书错误,Windows版不会

SSL handshake failed with xxx.com:443: certificate verify failed

[XuYuQuan0713]

[master1 root /opt/trojan]# proxychains4 curl cip.cc
[proxychains] config file found: /etc/proxychains.conf
[proxychains] preloading /lib/libproxychains4.so
[proxychains] DLL init: proxychains-ng 4.16-git-1-g07c15a0
[proxychains] Strict chain  ...  127.0.0.1:1080  ...  127.0.0.1:1080  ...  OK
curl: (7) Unable to receive initial SOCKS5 response.

[master1 root ~/code/proxychains-ng]# proxychains4 curl ip.cn
[proxychains] config file found: /etc/proxychains.conf
[proxychains] preloading ./libproxychains4.so
[proxychains] DLL init: proxychains-ng 4.16-git-1-g07c15a0
[proxychains] Strict chain  ...  127.0.0.1:1080  ...  ip.cn:80  ...  OK
curl: (52) Empty reply from server

I had the same problem，how did you solve it

[rofl0r]

curl: (7) Unable to receive initial SOCKS5 response.

suggests that OP configured curl to use a socks proxy, and then used proxychains-ng as well. it's either-or.