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Request: Open FORWARD between the Systemcore's WiFi/USB subnets and eth0

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
48/100
Issue 类型
功能
描述清晰度
基本清楚
活跃度
活跃
技术栈
linux
领域
networking

调研方向

Start by locating the Systemcore firewall configuration that defines the FORWARD policy and interface rules. Review the tested iptables rules for wlan0, usb+, and eth0, including the POSTROUTING MASQUERADE rule. Done means WiFi and USB-connected devices can reach the robot network while established return traffic works as intended.

由索引模型根据 Issue 内容生成。

描述

Desired Workflow:

  • Connect a laptop to the Systemcore WiFi and be able to interact with FRC Radio and attached coprocessors. (handy for in-shop use)
  • USB device (ex. USB-Ethernet adapter as tether for 1 more coprocessor on radio) connected to the Systemcore and be able to interact with the FRC Radio & attached coprocessors.

Blocker:

  • FORWARD policy is DROP with no rule between wlan0/usb+ and eth0 - nothing on the Systemcore's WiFi or USB ports can reach the robot network, only the Systemcore.

Request:

  • Open FORWARD between the Systemcore WiFi/USB subnets and eth0.

Tested:

iptables -N ROBOT-SEGMENT-FWD
iptables -A ROBOT-SEGMENT-FWD -i usb+ -o eth0 -j ACCEPT
iptables -A ROBOT-SEGMENT-FWD -i wlan0 -o eth0 -j ACCEPT
iptables -A ROBOT-SEGMENT-FWD -i eth0 -o usb+ -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
iptables -A ROBOT-SEGMENT-FWD -i eth0 -o wlan0 -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
iptables -I FORWARD -j ROBOT-SEGMENT-FWD

iptables -t nat -A POSTROUTING -o eth0 ! -s 172.17.0.0/16 -j MASQUERADE
主要语言
Java
星标
190
派生
25
平均合并
6 小时 7 分钟
30 天内合并 PR
13

环境准备

这个项目没有提供开发容器、Dockerfile 或贡献指南,环境需要你自己搭建:先看它的 README,通用步骤见我们的新手贡献指南。

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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