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Support 2+ path-hash width filters

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mikecarper
2026-10-02 10:21:17 -07:00
parent d084f5b837
commit 7324bf06ef
12 changed files with 202 additions and 37 deletions
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docs/cli_commands.md
+7 -5
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@@ -2910,9 +2910,9 @@ worked moderation examples, see [Flood Filtering and Moderation](flood_filtering
- `get flood.rule`
- `get flood.rule.<n>`
- `get fr[.<n>]` (numbered form returns a complete short setter for copying)
- `set fr[.<n>] <type> [h=<range>] [m=r|b|c|bc] [c=<channel>] [pb=any|1|2|3] <d|s=<scope>|r=<region>|q=<N>|r|s> [...]`
- `set fr[.<n>] <type> [h=<range>] [m=r|b|c|bc] [c=<channel>] [pb=any|1|2|2+|3] <d|s=<scope>|r=<region>|q=<N>|r|s> [...]`
- `del fr.<n>` or `del fr all`
- `set flood.rule[.<n>] type=<type> [mode=radio|bridge|cross|bridge,cross] [hops=<range>] [channel=<channel>] [hashbytes=any|1|2|3] [prefix=<path-prefix>] [in=<input-scope>] <drop|scope=<name>|region=<name>|rate=<N>/min|retry|stop> [priority=<0-255>] [tx=slow] [suspend=tempradio]`
- `set flood.rule[.<n>] type=<type> [mode=radio|bridge|cross|bridge,cross] [hops=<range>] [channel=<channel>] [hashbytes=any|1|2|2+|3] [prefix=<path-prefix>] [in=<input-scope>] <drop|scope=<name>|region=<name>|rate=<N>/min|retry|stop> [priority=<0-255>] [tx=slow] [suspend=tempradio]`
- `del flood.rule.<n>`
- `del flood.rule all`
- `get flood.filter`
@@ -2968,10 +2968,12 @@ compile this table.
MAC/decrypt check with the Public channel key. That distinguishes an ordinary
`0x11` collision, but it is channel authentication rather than sender
authentication: the group MAC is two bytes and the Public key is shared.
- `hashbytes=any|1|2|3`: Optional encoded path-hash width, independent of hop
- `hashbytes=any|1|2|2+|3`: Optional encoded path-hash width, independent of hop
count and hash value. Omitted, `any`, or `*` matches every supported width.
Width-specific rules also match zero-hop packets. Four-byte hashes are
reserved and unsupported. A simultaneous `prefix=` must use the same width.
reserved and unsupported. `2+` selects both 2- and 3-byte paths in one row,
sharing any rate limit across both. A simultaneous `prefix=` must satisfy the
selector; a 2- or 3-byte prefix narrows `2+` to its own exact width.
Example: `set fr any pb=1 d` drops all 1-byte floods from forwarding, including
relayed login/admin traffic, but not direct packets or local delivery.
- `prefix=<ID[,ID...]>`: Optional ordered source-path prefix of one to three
@@ -3223,7 +3225,7 @@ have the same behavior as their long forms.
| `hops=...` | Positional range or `h=...`; `*` means `all` |
| `mode=radio/bridge/cross/bridge,cross` | `m=r/b/c/bc` (choose one value) |
| `channel=...`, `prefix=...` | `c=...`, `p=...` |
| `hashbytes=any/1/2/3` | `pb=*/1/2/3` (choose one value) |
| `hashbytes=any/1/2/2+/3` | `pb=*/1/2/2+/3` (choose one value) |
| `path=blacklist` | `p=bl` (repeater only) |
| `in=any/none/scoped/allowed/unknown` | `i=*/n/s/a/u` (choose one value) |
| `in=scope:name`, `in=region:name` | `i=s:name`, `i=r:name` |