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1 Changes in Version 1.3.26.1a
2
3 * mod_gzip_update_static Yes/No
4
5 This new directive controls wether mod_gzip should re-gzip outdated
6 precompressed files. mod_gzip compresses a copy of the original file,
7 use it with care! No other modules can handle the content of these
8 HTTP requests.
9
10 * bugfix for long lines
11
12 In older versions, mod_gzip had a problem with HTTP header lines
13 longer than 4k. This bug has been fixed.
14
15
16 * bugfix for POST-requests on Win32
17
18 Previous mod_gzip versions had a problem with POST-request whose
19 bodies were larger than 4 or 8k. No it declines them and does not
20 compress their output any more.
21
22 * Vary bugfix
23
24 The previous version of mod_gzip sent Vary headers in too many cases.
25 You could control this behavior by doing something like
26
27 <Files ~ "\.(jpg|gif|png)$">
28 mod_gzip_send_vary Off
29 </Files>
30
31 But now this is not longer necessary. mod_gzip sends no
32 Vary headers when the request is excluded by 'file', 'uri' or
33 'handler'.
34
35 * Netware patch
36
37 Guenter Knauf (<eflash@gmx.net>) wrote a patch for Netware. It's
38 now included.
39
40 * Documentation included
41
42 The mod_gzip documentation is now included in the download package.
43 There is also a mod_gzip.conf.sample file included.
44
45 Changes in Version 1.3.19.2a
46
47 * mod_gzip_static_suffix suffix
48
49 This new directive defines the suffix of the static compressed files.
50 On most platforms this will be .gz, but on some it may be .z or
51 something like that. Default is '.gz'.
52
53 Warning: You have to add an 'AddEncoding .suffix gzip' in your Apache
54 config! If you don't do this, Apache may send a wrong
55 'Content-Encoding' HTTP header (or even none at all).
56
57 * mod_gzip_handle_methods GET POST
58
59 Parameters are GET or POST or a list of both values.
60 Default is the list of both values.
61
62 * mod_gzip_send_vary Yes/No
63
64 This will be useful for some caching HTTP proxies like squid.
65 Prior to the current version of mod_gzip, they had problems
66 to properly handle mod_gzip output.
67 Example: A client that is able to handle compressed content
68 receives a compressed response and the proxy caches it.
69 The next client is not able to handle compressed content but as
70 the proxy was not aware of the response being a negotiation
71 result, it could do nothing but serve the content to this
72 client as well.
73 "Vary:" should tell the proxy what to do in those situations,
74 or at least warn it to not cache the content if it is not
75 able to understand the negotiation procedure.
76 The value of the 'Vary:' header will be a comma separated
77 list of
78 a) 'Accept-Encoding' and
79 b) each value that has been used as second operand of a
80 'mod_gzip_item_include reqheader' rsp.
81 'mod_gzip_item_exclude reqheader' directive.
82 This may cause a proxy to not cache the content in some
83 more cases than necessary, but at least make sure it
84 won't inadvertantly serve compressed content.
85 The calculation logic for 'Vary:' headers may have to be
86 improved in subsequent versions, as to hopefully reduce
87 the header names to the absolute minimum necessary.
88
89 Warning: Don't set this value to "no" unless you are perfectly
90 sure that all clients in your environment are able to handle
91 compressed content properly!
92
93 * Workfile bug fixed
94
95 In prior versions of mod_gzip there was a problem with the
96 workfiles. When the compressed version of a file was bigger
97 than the file itself, the workfile has not been deleted.
98 Now it will be.
99
100 * mod_gzip recognizes outdated .gz files
101
102 mod_gzip now performs another stat() call and checks whether
103 the static compressed version of the file is older than the
104 uncompressed original file itself. If so, it sends the
105 uncompressed content(!) and creates a
106 SEND_AS_IS:PRECOMPRESSED_VARIANT_OUTDATED status value.
107
108 * mod_gzip is now split into 3 files
109
110 Mod_gzip has been split into three files because it is easier to
111 maintain. And because of this splitting I added an Makefile.tmpl
112 (a Makefile template) for Apache build process so that you
113 can compile mod_gzip statically into Apache.
114 There is also a Makefile which uses the apxs script to generate
115 a shared library.
116
117 Now there are two ways to build mod_gzip: statically compiled
118 into Apache and a DSO-File for mod_so. If you want to
119 compile it statically into Apache, just copy the source
120 to Apache src/modules directory and there into a subdirectory
121 named 'gzip'. You can activate it via a parameter of the
122 configure script, e.g.
123
124 ./configure --activate-module=src/modules/gzip/mod_gzip.a
125 make
126 make install
127
128 This will build a new Apache with mod_gzip statically built in.
129 The DSO-Version is much easier to build. Just type
130
131 make APXS=/path/to/apxs
132 make install APXS=/path/to/apxs
133 /path/to/apachectl restart
134
135 The apxs script is normaly located inside the bin directory of
136 Apache.
137
138
139
140