状态： 已更新至 I2P 2.10.0（2025年10月）。此列表整合了 I2P Java Router、i2pd 和相关插件使用的所有活跃、已弃用和保留端口。所有端口均按数字顺序列出以保持一致性。
| Port | Service / Component | Description | Notes |
|---|---|---|---|
| 123 | SNTP | Network time synchronization | Uses external NTP servers; required for accurate LeaseSet timestamps. |
| 2827 | BOB interface | Legacy client API bridge | Deprecated; disabled by default. |
| 4444 | HTTP Proxy | Standard web proxy for eepsite browsing | Default for both HTTP and HTTPS browser traffic. |
| 4445 | HTTPS Proxy | Dedicated SSL/TLS proxy | Optional; often redundant with 4444. |
| 6667–6669 | IRC Proxy | Access to I2P IRC networks | Default = 6668; alternate ports avoid conflicts. |
| 7650 | I2PControl Plugin | JSON‑RPC management API | Auth required; default password itoopie. |
| 7652 | UPnP HTTP events | UPnP control interface | Supports automatic port forwarding. |
| 7653 | UPnP SSDP responses | UPnP discovery | UDP response listener for device search. |
| 7654 | I2CP | Core application API | Used by Java apps and i2pd for router integration. |
| 7655 | SAM Datagram | UDP bridge for SAM API | SAM v3 support for real‑time apps. |
| 7656 | SAM Stream | TCP bridge for SAM API | Primary non‑Java application interface. |
| 7657 | Router Console (HTTP) | Web admin interface | Loopback‑only by default (127.0.0.1). |
| 7658 | Eepsite | Default web server for I2PTunnel | Used for locally hosted services. |
| 7659 | SMTP Proxy | Outgoing mail via I2P‑Bote | Bridges standard email clients. |
| 7660 | POP3 Proxy | Incoming mail via I2P‑Bote | Serverless email retrieval. |
| 7661 | I2PBote SMTP / Pebble Blog | Plugin dual‑use port | Rarely conflicts since plugins don’t co‑install. |
| 7662 | I2PBote IMAP / Zzzot Tracker | Plugin dual‑use port | Used by Zzzot for BitTorrent tracking. |
| 7663 | — | Reserved for future plugins | Unused as of 2.10.0. |
| 7664 | JAMWiki Plugin | Wiki platform for I2P sites | Optional plugin. |
| 7667 | Router Console (HTTPS) | Secure web admin interface | Self‑signed cert by default. |
| 7672 | Railroad Plugin | Plugin port reservation | Last documented plugin port in series. |
| 7644 | Browser Mode Proxy | HTTP proxy for I2P Browser Bundle | Used when running Browser mode alongside router. |
| 7647 | Browser Mode Console | Router console for I2P Browser Bundle | Avoids conflict with 7657. |
| 8002 | I2PSnark Web UI (HTTP) | BitTorrent client UI | Integrated in router console. |
| 8003 | I2PSnark Web UI (HTTPS) | BitTorrent client UI (SSL) | Optional secure mode. |
| 8887 | Router Network Port (Legacy) | Old default for peer connections | Replaced by randomized 9151–30777 range. |
| 8118 | Privoxy (Reserved) | External web proxy integration | Not part of core I2P; reserved for compatibility. |
| 8123 | Polipo (Reserved) | Alternate proxy integration | Legacy Tor proxy compatibility. |
| 8888 | Freenet (Reserved) | Anonymous network port | Prevents conflicts on privacy nodes. |
| 9050–9053 | Tor SOCKS (Reserved) | Tor proxy range for co‑installation | Avoids conflicts with I2P. |
| 9150–9153 | Tor Browser SOCKS (Reserved) | Tor Browser integration | Reserved for cross‑tool coexistence. |
| 9151–30777 | Router Network Port (Random) | Active TCP/UDP transport port | Randomized per install for anti‑fingerprinting. |
| 1488 / 1776 | XD BitTorrent Client | Standalone I2P torrent client | Alternate to I2PSnark. |
| 31000–32000 | Java Service Wrapper | Router process management | Handles service control and restart. |
| 3456 / 3458 / 3459 | Tahoe‑LAFS Plugin | Decentralized file storage | Optional third‑party plugin. |
| 4691 / 8997–8999 | Monotone Version Control | Distributed VCS support | Historical usage for developer tools. |
| 7070 | i2pd Console | Web console for C++ implementation | Equivalent to Java router console. |
| 7672-7679 | Plugin Range (General) | Recommended port block for plugins | Developers start from 7672 upward. |
| 11371 | SKS/GPG Key Server (Reserved) | Key distribution service | Used for PGP/GPG over I2P. |
- 9000以下的所有端口（除了8887）默认绑定到127.0.0.1以确保安全。
- router网络端口（9151–30777）必须对互联网开放以实现完全参与。
- i2pd大多使用相同的端口分配以保持兼容性（7070控制台，7654 I2CP，7656/7655 SAM）。
- 插件开发者应通过I2P社区协调新的端口分配以避免冲突。