Mercurial > prosody-modules

annotate mod_compression_unsafe/README.markdown @ 4409:44f6537f6427

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_invites_adhoc: Fail contact invite if user is not on current host Only the username was being used, and the host of the requester ignored. Luckily this only affects admins of the host. If they want to create an account they can use the other command. If they want to create a contact they should request from their account on this host.
author Matthew Wild <mwild1@gmail.com>
date Thu, 28 Jan 2021 07:04:11 +0000
parents 4b7e6c01aa1c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2776
3092ae96c1f0 mod_compression: Rename to mod_compression_unsafe and add security note
Matthew Wild <mwild1@gmail.com>
parents: 2486
diff changeset
1 **NOTE:** XMPP compression has unresolved [security concerns](https://mail.jabber.org/pipermail/standards/2014-October/029215.html),
3092ae96c1f0 mod_compression: Rename to mod_compression_unsafe and add security note
Matthew Wild <mwild1@gmail.com>
parents: 2486
diff changeset
2 and this module has been removed from Prosody and renamed.
3092ae96c1f0 mod_compression: Rename to mod_compression_unsafe and add security note
Matthew Wild <mwild1@gmail.com>
parents: 2486
diff changeset
3
2483
b3097323278f mod_compression/README: Some cleanup and rewording
Kim Alvefur <zash@zash.se>
parents: 2482
diff changeset
4 While the bandwidth usage of XMPP isn't that much, compressing the data
b3097323278f mod_compression/README: Some cleanup and rewording
Kim Alvefur <zash@zash.se>
parents: 2482
diff changeset
5 sent to/from your server can give significant benefits to those on slow
2482
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 connections, such as dial-up or mobile networks. Prosody supports
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 compression for client-to-server (if your client supports it) and
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 server-to-server streams using the mod\_compression plugin.
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 # Details
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11
2483
b3097323278f mod_compression/README: Some cleanup and rewording
Kim Alvefur <zash@zash.se>
parents: 2482
diff changeset
12 mod\_compression implements [XEP-0138], and supports the zlib compression
b3097323278f mod_compression/README: Some cleanup and rewording
Kim Alvefur <zash@zash.se>
parents: 2482
diff changeset
13 algorithm.
2482
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 ## Dependencies
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 The XMPP protocol specifies that all clients and servers supporting
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 compression must support the "zlib" compression method, and this is what
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 Prosody uses. However you will need to install zlib support for Lua on
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 your system. There are different ways of doing this depending on your
2484
560378965b82 mod_compression/README: Fix formatting
Kim Alvefur <zash@zash.se>
parents: 2483
diff changeset
21 system. If in doubt whether it is installed correctly, the command
2486
a5d4a78c7619 mod_compression/README: Include lua-zlib installation instructions and link to source
Kim Alvefur <zash@zash.se>
parents: 2484
diff changeset
22 `lua -lzlib` in a console should open a Lua prompt with no errors.
a5d4a78c7619 mod_compression/README: Include lua-zlib installation instructions and link to source
Kim Alvefur <zash@zash.se>
parents: 2484
diff changeset
23
a5d4a78c7619 mod_compression/README: Include lua-zlib installation instructions and link to source
Kim Alvefur <zash@zash.se>
parents: 2484
diff changeset
24 Debian/Ubuntu
a5d4a78c7619 mod_compression/README: Include lua-zlib installation instructions and link to source
Kim Alvefur <zash@zash.se>
parents: 2484
diff changeset
25 : `apt-get install lua-zlib`
2482
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26
2486
a5d4a78c7619 mod_compression/README: Include lua-zlib installation instructions and link to source
Kim Alvefur <zash@zash.se>
parents: 2484
diff changeset
27 LuaRocks
a5d4a78c7619 mod_compression/README: Include lua-zlib installation instructions and link to source
Kim Alvefur <zash@zash.se>
parents: 2484
diff changeset
28 : `luarocks install lua-zlib`
a5d4a78c7619 mod_compression/README: Include lua-zlib installation instructions and link to source
Kim Alvefur <zash@zash.se>
parents: 2484
diff changeset
29
a5d4a78c7619 mod_compression/README: Include lua-zlib installation instructions and link to source
Kim Alvefur <zash@zash.se>
parents: 2484
diff changeset
30 Source
a5d4a78c7619 mod_compression/README: Include lua-zlib installation instructions and link to source
Kim Alvefur <zash@zash.se>
parents: 2484
diff changeset
31 : <https://github.com/brimworks/lua-zlib>
2482
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 # Usage
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 ``` lua
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 modules_enabled = {
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 -- Other modules
2793
4b7e6c01aa1c mod_compression_unsafe README: Fix module name (thanks Flow)
Matthew Wild <mwild1@gmail.com>
parents: 2776
diff changeset
38 "compression_unsafe"; -- Enable mod_compression_unsafe
2482
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 }
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 ```
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41
2483
b3097323278f mod_compression/README: Some cleanup and rewording
Kim Alvefur <zash@zash.se>
parents: 2482
diff changeset
42 ## Configuration
2482
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43
2483
b3097323278f mod_compression/README: Some cleanup and rewording
Kim Alvefur <zash@zash.se>
parents: 2482
diff changeset
44 The compression level can be set using the `compression_level` option
b3097323278f mod_compression/README: Some cleanup and rewording
Kim Alvefur <zash@zash.se>
parents: 2482
diff changeset
45 which can be a number from 1 to 9. Higher compression levels will use
b3097323278f mod_compression/README: Some cleanup and rewording
Kim Alvefur <zash@zash.se>
parents: 2482
diff changeset
46 more resources but less bandwidth.
2482
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47
2483
b3097323278f mod_compression/README: Some cleanup and rewording
Kim Alvefur <zash@zash.se>
parents: 2482
diff changeset
48 ## Example
2482
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 ``` lua
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 modules_enabled = {
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 -- Other modules
2793
4b7e6c01aa1c mod_compression_unsafe README: Fix module name (thanks Flow)
Matthew Wild <mwild1@gmail.com>
parents: 2776
diff changeset
53 "compression_unsafe"; -- Enable mod_compression_unsafe
2482
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 }
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55  
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 compression_level = 5
c96a53b0b820 mod_compression: Import from Prosody, revision 0c69305ab525
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 ```