[GH-ISSUE #2637] Is STCP mode secure enough for Man-in-the-middle attack？

gitea-mirror commented

2026-05-05 13:21:08 -06:00

Owner

Copy link

Originally created by @villivateur on GitHub (Oct 25, 2021).
Original GitHub issue: https://github.com/fatedier/frp/issues/2637

Bug Description

Will STCP mode encrypt the traffic data? Is it safe to prevent the man in the middle to watch my network traffic?

frpc Version

0.37.1

frps Version

0.37.1

System Architecture

Linux/AMD64

Configurations

[common]
server_addr = 127.0.0.1
server_port = 11111
log_file = /var/log/frp/frpc.log
token = 11111
admin_addr = 127.0.0.1
admin_port = 1111

[test]
type = stcp
role = visitor
server_name = test
sk = test
bind_addr = 127.0.0.1
bind_port = 1111

Logs

No response

Steps to reproduce

...

Affected area

Docs
Installation
Performance and Scalability
Security
User Experience
Test and Release
Developer Infrastructure
Client Plugin
Server Plugin
Extensions
Others

Originally created by @villivateur on GitHub (Oct 25, 2021). Original GitHub issue: https://github.com/fatedier/frp/issues/2637 ### Bug Description Will STCP mode encrypt the traffic data? Is it safe to prevent the man in the middle to watch my network traffic? ### frpc Version 0.37.1 ### frps Version 0.37.1 ### System Architecture Linux/AMD64 ### Configurations [common] server_addr = 127.0.0.1 server_port = 11111 log_file = /var/log/frp/frpc.log token = 11111 admin_addr = 127.0.0.1 admin_port = 1111 [test] type = stcp role = visitor server_name = test sk = test bind_addr = 127.0.0.1 bind_port = 1111 ### Logs _No response_ ### Steps to reproduce 1. 2. 3. ... ### Affected area - [X] Docs - [ ] Installation - [ ] Performance and Scalability - [ ] Security - [ ] User Experience - [ ] Test and Release - [ ] Developer Infrastructure - [ ] Client Plugin - [ ] Server Plugin - [ ] Extensions - [ ] Others

gitea-mirror

2026-05-05 13:21:08 -06:00

closed this issue
added the
lifecycle/stale
label

gitea-mirror commented

2026-05-05 13:21:12 -06:00

Author

Owner

Copy link

@fatedier commented on GitHub (Oct 25, 2021):

https://github.com/fatedier/frp#encryption-and-compression

@fatedier commented on GitHub (Oct 25, 2021): https://github.com/fatedier/frp#encryption-and-compression

gitea-mirror commented

2026-05-05 13:21:12 -06:00

Author

Owner

Copy link

@github-actions[bot] commented on GitHub (Nov 25, 2021):

Issues go stale after 30d of inactivity. Stale issues rot after an additional 7d of inactivity and eventually close.

@github-actions[bot] commented on GitHub (Nov 25, 2021): Issues go stale after 30d of inactivity. Stale issues rot after an additional 7d of inactivity and eventually close.

gitea-mirror referenced this issue

2026-05-05 14:43:29 -06:00

[PR #2101] [MERGED] some dashboard refactor #4510

No Branch/Tag specified