source: mod_gnutls/README @ 732ca6bd

Last change on this file since 732ca6bd was f548f15, checked in by Nokis Mavrogiannopoulos <nmav@…>, 12 years ago

prepare for an alpha release

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3This module started back in September of 2004 because I was tired of trying to
4fix bugs in mod_ssl.  mod_ssl is a giant beast of a module -- no offense to it's
5authors is intended -- but I believe it has fallen prey to massive feature bloat.
7When I started hacking on httpd, mod_ssl remained a great mystery to me, and
8when I actually looked at it, I ran away.  The shear ammount code is huge, and it
9does not conform to the style guidelines.  It was painful to read, and even harder
10to debug.  I wanted to understand how it worked, and I had recently heard about
11GnuTLS, so long story short, I decided to implement a mod_gnutls.
13Lines of Code in mod_ssl: 15,324
[c0a2ae1]14Lines of Code in mod_gnutls: 3,594
16Because of writing mod_gnutls, I now understand how input and output filters work,
17better than I ever thought possible.  It was a little painful at times, and some parts
18lift code and ideas directly from mod_ssl. Kudos to the original authors of mod_ssl.
[7bebb42]22Author: Paul Querna <chip>
24Heavily modified by Nikos Mavrogiannopoulos <nmav>
26License: Apache Software License v2.0. (see the LICENSE file for details)
28Current Status:
29- SSL and TLS connections with all popular browsers work!
[7bebb42]30- Sets enviromental vars for scripts (compatible with mod_ssl vars)
[6af4f74]31- Supports Memcached as a distributed SSL Session Cache
32- Supports DBM as a local SSL Session Cache
[7bebb42]33- Support for Server Name Indication
[6af4f74]34- Support for Client Certificates
[7bebb42]35- Support for TLS-SRP
37Basic Configuration:
39LoadModule gnutls_module  modules/
41# mod_gnutls can optionaly use a memcached server to store it's SSL Sessions.
42# This is useful in a cluster enviroment, where you want all of your servers
43# to share a single SSL Session Cache.
44#GnuTLSCache memcache ""
46# The Default method is to use a DBM backed Cache.  It isn't super fast, but
47# it is portable and does not require another server to be running like memcached.
48GnuTLSCache dbm conf/gnutls_cache
51    # insert other directives ... here ...
53    # This enables the mod_gnutls Handlers for this Virtual Host
54    GnuTLSEnable On
56    # This is the Private key for your server.
[2b3a248]57    GnuTLSX509KeyFile conf/server.key
59    # This is the Server Certificate. 
[2b3a248]60    GnuTLSX509CertificateFile conf/server.cert
63# a more advanced configuration
64GnuTLSCache dbm "/var/cache/www-tls-cache/cache"
[c0a2ae1]65GnuTLSCacheTimeout 600
69        Servername
70        GnuTLSEnable on
[c0a2ae1]71        GnuTLSPriority NORMAL
[7bebb42]72# To export exactly the same environment variables as mod_ssl to CGI scripts.
73        GNUTLSExportCertificates on
[2b3a248]75        GnuTLSX509CertificateFile /etc/apache2/server-cert.pem
76        GnuTLSX509KeyFile /etc/apache2/server-key.pem
78# To enable SRP you must have these files installed. Check the gnutls srptool.
79        GnuTLSSRPPasswdFile /etc/apache2/tpasswd
80        GnuTLSSRPPasswdConfFile /etc/apache2/tpasswd.conf
82# In order to verify client certificates. Other options to
83# GnuTLSClientVerify could be ignore or require. The GnuTLSClientCAFile
84# contains the CAs to verify client certificates.
85        GnuTLSClientVerify request
[2b3a248]86        GnuTLSX509CAFile ca.pem
[7bebb42]87        ...
90# A setup for OpenPGP and X.509 authentication
92        Servername crystal.lan:443
93        GnuTLSEnable on
94        GnuTLSPriorities NORMAL:+COMP-NULL
96# setup the openpgp keys
97        GnuTLSPGPCertificateFile /etc/apache2/
98        GnuTLSPGPKeyFile /etc/apache2/test.sec.asc
100# and the X.509 keys
101        GnuTLSCertificateFile /etc/apache2/server-cert.pem
102        GnuTLSKeyFile /etc/apache2/server-key.pem
103        GnuTLSClientVerify ignore
105# To avoid using the default DH params
106        GnuTLSDHFile /etc/apache2/dh.pem
108# these are only needed if GnuTLSClientVerify != ignore
109        GnuTLSClientCAFile ca.pem
110        GnuTLSPGPKeyringFile /etc/apache2/ring.asc
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