# \#proxy

**URL:** https://erlangforums.com/tag/proxy/666.md

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## [Erlang HTTPS CONNECT Proxy with Custom Encryption (C-S Architecture) – Designed for Restricted Networks](https://erlangforums.com/t/erlang-https-connect-proxy-with-custom-encryption-c-s-architecture-designed-for-restricted-networks/5561)

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**Author:** [@lichuan](https://erlangforums.com/u/lichuan)\
**Replies:** 0\
**Last updated:** [April 20, 2026, 3:49am UTC](https://erlangforums.com/t/erlang-https-connect-proxy-with-custom-encryption-c-s-architecture-designed-for-restricted-networks/5561 "2026-04-20T03:49:44Z")

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Hi everyone, I’d like to share a project I’ve been working on – an HTTPS CONNECT proxy implemented in Erlang, specifically designed for environments where internet access is restricted by national firewalls. Github: er…

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## [Conditional proxying in Cowboy based on request headers](https://erlangforums.com/t/conditional-proxying-in-cowboy-based-on-request-headers/5190)

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**Author:** [@zabrane](https://erlangforums.com/u/zabrane)\
**Replies:** 2\
**Last updated:** [October 30, 2025, 6:00am UTC](https://erlangforums.com/t/conditional-proxying-in-cowboy-based-on-request-headers/5190 "2025-10-30T06:00:19Z")

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Hi All, I’m using Cowboy 2.14.2 and would like to implement conditional request forwarding to an upstream server based on specific conditions (e.g., User-Agent header value). Use case: When a request arrives with a spe…

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## [HTTPS Forward Proxy in Erlang (MITM: Man In The Middle)](https://erlangforums.com/t/https-forward-proxy-in-erlang-mitm-man-in-the-middle/2936)

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**Author:** [@zabrane](https://erlangforums.com/u/zabrane)\
**Replies:** 2\
**Last updated:** [October 13, 2023, 8:41am UTC](https://erlangforums.com/t/https-forward-proxy-in-erlang-mitm-man-in-the-middle/2936 "2023-10-13T08:41:53Z")

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Hi All, I’d like to build an Erlang HTTP Forward Proxy to mimic Python mitmproxy. I’m not looking for anything advanced here, just the basic stuff. INTRO The poxy server usually terminates HTTPS encrypted traffic and…

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## [Katipo http client: proxy settings not working](https://erlangforums.com/t/katipo-http-client-proxy-settings-not-working/2873)

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**Author:** [@zabrane](https://erlangforums.com/u/zabrane)\
**Replies:** 1\
**Last updated:** [September 11, 2023, 6:22am UTC](https://erlangforums.com/t/katipo-http-client-proxy-settings-not-working/2873 "2023-09-11T06:22:17Z")

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Hi guys, Can anyone help with this issue I’m having when trying to setup katipo proxy? Getting bad options when trying to fetch URL using proxy Many thanks Z.