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From "Ralf S. Engelschall" <...@engelschall.com>
Subject Re: ssl-std.conf
Date Wed, 31 Oct 2001 10:26:34 GMT

In article <034701c161ce$32ef8600$93c0b0d0@v505> you wrote:
> From: "Cliff Woolley" <cliffwoolley@yahoo.com>
> Sent: Tuesday, October 30, 2001 11:32 PM
> 
>> I'd love to know why this is a 0-byte file...  :)
> 
> Waiting for a) the mod_ssl project to donate their own, or b) waiting for
> someone to craft an original file.  Consider it a placeholder, if you
> would prefer a newline in there, I'd be happy to fix.

Ops, sorry, I wasn't aware that people are waiting for a default
configuration. I've overlooked this issue. I then suggest the appended patch
for httpd-std.conf which adds the parts of the Apache 1.3's mod_ssl
configuration.
                                       Ralf S. Engelschall
                                       rse@engelschall.com
                                       www.engelschall.com

Index: httpd-std.conf
===================================================================
RCS file: /e/apache/cvs/httpd-2.0/docs/conf/httpd-std.conf,v
retrieving revision 1.61
diff -u -d -r1.61 httpd-std.conf
--- httpd-std.conf	2001/10/22 12:46:29	1.61
+++ httpd-std.conf	2001/10/31 10:25:01
@@ -185,6 +185,16 @@
 Listen @@Port@@
 
 #
+# SSL Support
+#
+# When we also provide SSL we have to listen to the 
+# standard HTTP port (see above) and to the HTTPS port
+#
+<IfDefine SSL>
+Listen 443
+</IfDefine>
+
+#
 # Dynamic Shared Object (DSO) Support
 #
 # To be able to use the functionality of a module which was built as a DSO you
@@ -1000,3 +1010,242 @@
 #    ErrorLog logs/dummy-host.example.com-error_log
 #    CustomLog logs/dummy-host.example.com-access_log common
 #</VirtualHost>
+
+##
+##  SSL Global Context
+##
+##  All SSL configuration in this context applies both to
+##  the main server and all SSL-enabled virtual hosts.
+##
+
+#
+#   Some MIME-types for downloading Certificates and CRLs
+#
+<IfDefine SSL>
+AddType application/x-x509-ca-cert .crt
+AddType application/x-pkcs7-crl    .crl
+</IfDefine>
+
+<IfModule mod_ssl.c>
+
+#   Pass Phrase Dialog:
+#   Configure the pass phrase gathering process.
+#   The filtering dialog program (`builtin' is a internal
+#   terminal dialog) has to provide the pass phrase on stdout.
+SSLPassPhraseDialog  builtin
+
+#   Inter-Process Session Cache:
+#   Configure the SSL Session Cache: First the mechanism 
+#   to use and second the expiring timeout (in seconds).
+#SSLSessionCache        none
+#SSLSessionCache        shmht:logs/ssl_scache(512000)
+#SSLSessionCache        shmcb:logs/ssl_scache(512000)
+SSLSessionCache         dbm:logs/ssl_scache
+SSLSessionCacheTimeout  300
+
+#   Semaphore:
+#   Configure the path to the mutual exclusion semaphore the
+#   SSL engine uses internally for inter-process synchronization. 
+SSLMutex  file:logs/ssl_mutex
+
+#   Pseudo Random Number Generator (PRNG):
+#   Configure one or more sources to seed the PRNG of the 
+#   SSL library. The seed data should be of good random quality.
+#   WARNING! On some platforms /dev/random blocks if not enough entropy
+#   is available. This means you then cannot use the /dev/random device
+#   because it would lead to very long connection times (as long as
+#   it requires to make more entropy available). But usually those
+#   platforms additionally provide a /dev/urandom device which doesn't
+#   block. So, if available, use this one instead. Read the mod_ssl User
+#   Manual for more details.
+SSLRandomSeed startup builtin
+SSLRandomSeed connect builtin
+#SSLRandomSeed startup file:/dev/random  512
+#SSLRandomSeed startup file:/dev/urandom 512
+#SSLRandomSeed connect file:/dev/random  512
+#SSLRandomSeed connect file:/dev/urandom 512
+
+#   Logging:
+#   The home of the dedicated SSL protocol logfile. Errors are
+#   additionally duplicated in the general error log file.  Put
+#   this somewhere where it cannot be used for symlink attacks on
+#   a real server (i.e. somewhere where only root can write).
+#   Log levels are (ascending order: higher ones include lower ones):
+#   none, error, warn, info, trace, debug.
+SSLLog      logs/ssl_engine_log
+SSLLogLevel info
+
+</IfModule>
+
+<IfDefine SSL>
+
+##
+## SSL Virtual Host Context
+##
+
+<VirtualHost _default_:443>
+
+#  General setup for the virtual host
+DocumentRoot "@@ServerRoot@@/htdocs"
+ServerName new.host.name
+ServerAdmin you@your.address
+ErrorLog logs/error_log
+TransferLog logs/access_log
+
+#   SSL Engine Switch:
+#   Enable/Disable SSL for this virtual host.
+SSLEngine on
+
+#   SSL Cipher Suite:
+#   List the ciphers that the client is permitted to negotiate.
+#   See the mod_ssl documentation for a complete list.
+SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL
+
+#   Server Certificate:
+#   Point SSLCertificateFile at a PEM encoded certificate.  If
+#   the certificate is encrypted, then you will be prompted for a
+#   pass phrase.  Note that a kill -HUP will prompt again. A test
+#   certificate can be generated with `make certificate' under
+#   built time. Keep in mind that if you've both a RSA and a DSA
+#   certificate you can configure both in parallel (to also allow
+#   the use of DSA ciphers, etc.)
+SSLCertificateFile @@ServerRoot@@/conf/ssl.crt/server.crt
+#SSLCertificateFile @@ServerRoot@@/conf/ssl.crt/server-dsa.crt
+
+#   Server Private Key:
+#   If the key is not combined with the certificate, use this
+#   directive to point at the key file.  Keep in mind that if
+#   you've both a RSA and a DSA private key you can configure
+#   both in parallel (to also allow the use of DSA ciphers, etc.)
+SSLCertificateKeyFile @@ServerRoot@@/conf/ssl.key/server.key
+#SSLCertificateKeyFile @@ServerRoot@@/conf/ssl.key/server-dsa.key
+
+#   Server Certificate Chain:
+#   Point SSLCertificateChainFile at a file containing the
+#   concatenation of PEM encoded CA certificates which form the
+#   certificate chain for the server certificate. Alternatively
+#   the referenced file can be the same as SSLCertificateFile
+#   when the CA certificates are directly appended to the server
+#   certificate for convinience.
+#SSLCertificateChainFile @@ServerRoot@@/conf/ssl.crt/ca.crt
+
+#   Certificate Authority (CA):
+#   Set the CA certificate verification path where to find CA
+#   certificates for client authentication or alternatively one
+#   huge file containing all of them (file must be PEM encoded)
+#   Note: Inside SSLCACertificatePath you need hash symlinks
+#         to point to the certificate files. Use the provided
+#         Makefile to update the hash symlinks after changes.
+#SSLCACertificatePath @@ServerRoot@@/conf/ssl.crt
+#SSLCACertificateFile @@ServerRoot@@/conf/ssl.crt/ca-bundle.crt
+
+#   Certificate Revocation Lists (CRL):
+#   Set the CA revocation path where to find CA CRLs for client
+#   authentication or alternatively one huge file containing all
+#   of them (file must be PEM encoded)
+#   Note: Inside SSLCARevocationPath you need hash symlinks
+#         to point to the certificate files. Use the provided
+#         Makefile to update the hash symlinks after changes.
+#SSLCARevocationPath @@ServerRoot@@/conf/ssl.crl
+#SSLCARevocationFile @@ServerRoot@@/conf/ssl.crl/ca-bundle.crl
+
+#   Client Authentication (Type):
+#   Client certificate verification type and depth.  Types are
+#   none, optional, require and optional_no_ca.  Depth is a
+#   number which specifies how deeply to verify the certificate
+#   issuer chain before deciding the certificate is not valid.
+#SSLVerifyClient require
+#SSLVerifyDepth  10
+
+#   Access Control:
+#   With SSLRequire you can do per-directory access control based
+#   on arbitrary complex boolean expressions containing server
+#   variable checks and other lookup directives.  The syntax is a
+#   mixture between C and Perl.  See the mod_ssl documentation
+#   for more details.
+#<Location />
+#SSLRequire (    %{SSL_CIPHER} !~ m/^(EXP|NULL)/ \
+#            and %{SSL_CLIENT_S_DN_O} eq "Snake Oil, Ltd." \
+#            and %{SSL_CLIENT_S_DN_OU} in {"Staff", "CA", "Dev"} \
+#            and %{TIME_WDAY} >= 1 and %{TIME_WDAY} <= 5 \
+#            and %{TIME_HOUR} >= 8 and %{TIME_HOUR} <= 20       ) \
+#           or %{REMOTE_ADDR} =~ m/^192\.76\.162\.[0-9]+$/
+#</Location>
+
+#   SSL Engine Options:
+#   Set various options for the SSL engine.
+#   o FakeBasicAuth:
+#     Translate the client X.509 into a Basic Authorisation.  This means that
+#     the standard Auth/DBMAuth methods can be used for access control.  The
+#     user name is the `one line' version of the client's X.509 certificate.
+#     Note that no password is obtained from the user. Every entry in the user
+#     file needs this password: `xxj31ZMTZzkVA'.
+#   o ExportCertData:
+#     This exports two additional environment variables: SSL_CLIENT_CERT and
+#     SSL_SERVER_CERT. These contain the PEM-encoded certificates of the
+#     server (always existing) and the client (only existing when client
+#     authentication is used). This can be used to import the certificates
+#     into CGI scripts.
+#   o StdEnvVars:
+#     This exports the standard SSL/TLS related `SSL_*' environment variables.
+#     Per default this exportation is switched off for performance reasons,
+#     because the extraction step is an expensive operation and is usually
+#     useless for serving static content. So one usually enables the
+#     exportation for CGI and SSI requests only.
+#   o CompatEnvVars:
+#     This exports obsolete environment variables for backward compatibility
+#     to Apache-SSL 1.x, mod_ssl 2.0.x, Sioux 1.0 and Stronghold 2.x. Use this
+#     to provide compatibility to existing CGI scripts.
+#   o StrictRequire:
+#     This denies access when "SSLRequireSSL" or "SSLRequire" applied even
+#     under a "Satisfy any" situation, i.e. when it applies access is denied
+#     and no other module can change it.
+#   o OptRenegotiate:
+#     This enables optimized SSL connection renegotiation handling when SSL
+#     directives are used in per-directory context. 
+#SSLOptions +FakeBasicAuth +ExportCertData +CompatEnvVars +StrictRequire
+<Files ~ "\.(cgi|shtml|phtml|php3?)$">
+    SSLOptions +StdEnvVars
+</Files>
+<Directory "@@ServerRoot@@/cgi-bin">
+    SSLOptions +StdEnvVars
+</Directory>
+
+#   SSL Protocol Adjustments:
+#   The safe and default but still SSL/TLS standard compliant shutdown
+#   approach is that mod_ssl sends the close notify alert but doesn't wait for
+#   the close notify alert from client. When you need a different shutdown
+#   approach you can use one of the following variables:
+#   o ssl-unclean-shutdown:
+#     This forces an unclean shutdown when the connection is closed, i.e. no
+#     SSL close notify alert is send or allowed to received.  This violates
+#     the SSL/TLS standard but is needed for some brain-dead browsers. Use
+#     this when you receive I/O errors because of the standard approach where
+#     mod_ssl sends the close notify alert.
+#   o ssl-accurate-shutdown:
+#     This forces an accurate shutdown when the connection is closed, i.e. a
+#     SSL close notify alert is send and mod_ssl waits for the close notify
+#     alert of the client. This is 100% SSL/TLS standard compliant, but in
+#     practice often causes hanging connections with brain-dead browsers. Use
+#     this only for browsers where you know that their SSL implementation
+#     works correctly. 
+#   Notice: Most problems of broken clients are also related to the HTTP
+#   keep-alive facility, so you usually additionally want to disable
+#   keep-alive for those clients, too. Use variable "nokeepalive" for this.
+#   Similarly, one has to force some clients to use HTTP/1.0 to workaround
+#   their broken HTTP/1.1 implementation. Use variables "downgrade-1.0" and
+#   "force-response-1.0" for this.
+SetEnvIf User-Agent ".*MSIE.*" \
+         nokeepalive ssl-unclean-shutdown \
+         downgrade-1.0 force-response-1.0
+
+#   Per-Server Logging:
+#   The home of a custom SSL log file. Use this when you want a
+#   compact non-error SSL logfile on a virtual host basis.
+CustomLog logs/ssl_request_log \
+          "%t %h %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %b"
+
+</VirtualHost>                                  
+
+</IfDefine>
+

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