How do I set up HTTP proxy on iPhone?

Should HTTP proxy be on or off on iPhone?

I'm working on a project that will have the following requirements: User will access it from iPhone. User will access it using HTTP proxy on port 80. What is the best way to do this? I'm currently leaning towards setting up the proxy on iPhone, but is this the best way? Will Apple not allow this? Also, how can I use http proxy for a https server? Thanks. It's possible to use HTTP proxy in iOS, but it's not available by default. You need to enable "Settings > General > Network > HTTP Proxy".

For more information about enabling proxy in iOS see here. I also don't think you can use HTTP proxy for https server, because https uses a secure tunnel and not plain http.

How do I enable HTTPS proxy?

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This seems to be caused by the network service (or firewall) you are using. You can try enabling the network service (or changing the firewall settings) that handles HTTP requests, and see if you still get an error. This will tell you if it is a problem with your own proxy settings, or if it is a problem with the firewall you are using.

Sudo systemctl start firewalld. Or if you prefer, you can also install the "firewall-config" package to have a graphical interface for setting up the firewall.

Can proxy server be HTTPS?

No, that's impossible. HTTPS is not an application protocol. It simply allows you to have some level of secure communication with your website without exposing the entire path of communications from its source to destination. A proxy server, however, acts a lot like a web server: it sits in between you and another "server" on the Internet, acting as a bridge, translating between their protocols. There are several common configurations for proxy servers out there, each more or less flexible than the next. And unfortunately, most of them are still using HTTP instead of HTTPS by default. However, there are a few out there that are either configured to serve TLS, SSL, or both, as desired by the requestor. Since the whole reason you're using a proxy is to get around firewalls and other network restrictions, using one configured for HTTPS shouldn't be a problem unless there's something blocking connections to that IP address on the other side.

Can I use Tor on my own domain? The Tor network relies on volunteers doing a lot of work in order to make it work. And they rely on it being able to keep track of various sites visiting your IP address. If your ISP or government blocks out specific IPs from traffic, the network falls apart. The result is a lot of slowdowns, errors and broken connections, not to mention your access to websites being cut off at certain points in the world. And most ISPs block traffic passing through their servers anyway, using filters to cut down on bandwidth usage or "abuse". While this is not quite censorship in the same sense as blocking certain websites outright, if those restrictions are put in place, then you will be effectively blocked from access to many sites.

Is that website going to let me in? Is my identity safe? That's basically what you get when you use a proxy server, whether that proxy is yours or someone else's. The main issue is that you can never tell if somebody else (even with the same username and password) is logging into that server on your behalf, and taking control of your account. The same goes for security of that site. There are still ways to exploit this kind of misconfiguration on a server, and it will probably be patched fairly soon, but there's still no guarantee.